diff options
Diffstat (limited to 'llvm/test/Transforms/LoopIdiom/bcmp-basic.ll')
| -rw-r--r-- | llvm/test/Transforms/LoopIdiom/bcmp-basic.ll | 855 |
1 files changed, 516 insertions, 339 deletions
diff --git a/llvm/test/Transforms/LoopIdiom/bcmp-basic.ll b/llvm/test/Transforms/LoopIdiom/bcmp-basic.ll index d2c782029b2..25a80763023 100644 --- a/llvm/test/Transforms/LoopIdiom/bcmp-basic.ll +++ b/llvm/test/Transforms/LoopIdiom/bcmp-basic.ll @@ -1,5 +1,5 @@ ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py -; RUN: opt -loop-idiom -verify -verify-each -verify-dom-info -verify-loop-info < %s -S | FileCheck %s +; RUN: opt -loop-idiom < %s -S | FileCheck %s target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64" @@ -239,17 +239,24 @@ target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f3 define i1 @_Z39pointer_iteration_const_size_no_overlapPKc(i8* %ptr) { ; CHECK-LABEL: @_Z39pointer_iteration_const_size_no_overlapPKc( -; CHECK-NEXT: for.body.i.i.bcmpdispatchbb: +; CHECK-NEXT: entry: ; CHECK-NEXT: [[ADD_PTR:%.*]] = getelementptr inbounds i8, i8* [[PTR:%.*]], i64 8 -; CHECK-NEXT: [[MEMCMP:%.*]] = call i32 @memcmp(i8* [[PTR]], i8* [[ADD_PTR]], i64 8) -; CHECK-NEXT: [[PTR_VS_ADD_PTR_EQCMP:%.*]] = icmp eq i32 [[MEMCMP]], 0 -; CHECK-NEXT: br i1 [[PTR_VS_ADD_PTR_EQCMP]], label [[PTR_VS_ADD_PTR_EQCMP_EQUALBB:%.*]], label [[PTR_VS_ADD_PTR_EQCMP_UNEQUALBB:%.*]] -; CHECK: ptr.vs.add.ptr.eqcmp.equalbb: -; CHECK-NEXT: br label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT:%.*]] -; CHECK: ptr.vs.add.ptr.eqcmp.unequalbb: -; CHECK-NEXT: br label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT]] +; CHECK-NEXT: br label [[FOR_BODY_I_I:%.*]] +; CHECK: for.body.i.i: +; CHECK-NEXT: [[__FIRST2_ADDR_07_I_I:%.*]] = phi i8* [ [[INCDEC_PTR1_I_I:%.*]], [[FOR_INC_I_I:%.*]] ], [ [[ADD_PTR]], [[ENTRY:%.*]] ] +; CHECK-NEXT: [[__FIRST1_ADDR_06_I_I_IDX:%.*]] = phi i64 [ [[__FIRST1_ADDR_06_I_I_ADD:%.*]], [[FOR_INC_I_I]] ], [ 0, [[ENTRY]] ] +; CHECK-NEXT: [[__FIRST1_ADDR_06_I_I_PTR:%.*]] = getelementptr inbounds i8, i8* [[PTR]], i64 [[__FIRST1_ADDR_06_I_I_IDX]] +; CHECK-NEXT: [[V0:%.*]] = load i8, i8* [[__FIRST1_ADDR_06_I_I_PTR]] +; CHECK-NEXT: [[V1:%.*]] = load i8, i8* [[__FIRST2_ADDR_07_I_I]] +; CHECK-NEXT: [[CMP_I_I_I:%.*]] = icmp eq i8 [[V0]], [[V1]] +; CHECK-NEXT: br i1 [[CMP_I_I_I]], label [[FOR_INC_I_I]], label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT:%.*]] +; CHECK: for.inc.i.i: +; CHECK-NEXT: [[__FIRST1_ADDR_06_I_I_ADD]] = add nuw nsw i64 [[__FIRST1_ADDR_06_I_I_IDX]], 1 +; CHECK-NEXT: [[INCDEC_PTR1_I_I]] = getelementptr inbounds i8, i8* [[__FIRST2_ADDR_07_I_I]], i64 1 +; CHECK-NEXT: [[CMP_I_I:%.*]] = icmp eq i64 [[__FIRST1_ADDR_06_I_I_ADD]], 8 +; CHECK-NEXT: br i1 [[CMP_I_I]], label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT]], label [[FOR_BODY_I_I]] ; CHECK: _ZNSt3__15equalIPKcS2_EEbT_S3_T0_.exit: -; CHECK-NEXT: [[RETVAL_0_I_I:%.*]] = phi i1 [ false, [[PTR_VS_ADD_PTR_EQCMP_UNEQUALBB]] ], [ true, [[PTR_VS_ADD_PTR_EQCMP_EQUALBB]] ] +; CHECK-NEXT: [[RETVAL_0_I_I:%.*]] = phi i1 [ false, [[FOR_BODY_I_I]] ], [ true, [[FOR_INC_I_I]] ] ; CHECK-NEXT: ret i1 [[RETVAL_0_I_I]] ; entry: @@ -278,17 +285,24 @@ _ZNSt3__15equalIPKcS2_EEbT_S3_T0_.exit: ; preds = %for.body.i.i, %for. define i1 @_Z44pointer_iteration_const_size_partial_overlapPKc(i8* %ptr) { ; CHECK-LABEL: @_Z44pointer_iteration_const_size_partial_overlapPKc( -; CHECK-NEXT: for.body.i.i.bcmpdispatchbb: +; CHECK-NEXT: entry: ; CHECK-NEXT: [[ADD_PTR1:%.*]] = getelementptr inbounds i8, i8* [[PTR:%.*]], i64 8 -; CHECK-NEXT: [[MEMCMP:%.*]] = call i32 @memcmp(i8* [[PTR]], i8* [[ADD_PTR1]], i64 16) -; CHECK-NEXT: [[PTR_VS_ADD_PTR1_EQCMP:%.*]] = icmp eq i32 [[MEMCMP]], 0 -; CHECK-NEXT: br i1 [[PTR_VS_ADD_PTR1_EQCMP]], label [[PTR_VS_ADD_PTR1_EQCMP_EQUALBB:%.*]], label [[PTR_VS_ADD_PTR1_EQCMP_UNEQUALBB:%.*]] -; CHECK: ptr.vs.add.ptr1.eqcmp.equalbb: -; CHECK-NEXT: br label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT:%.*]] -; CHECK: ptr.vs.add.ptr1.eqcmp.unequalbb: -; CHECK-NEXT: br label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT]] +; CHECK-NEXT: br label [[FOR_BODY_I_I:%.*]] +; CHECK: for.body.i.i: +; CHECK-NEXT: [[__FIRST2_ADDR_07_I_I:%.*]] = phi i8* [ [[INCDEC_PTR1_I_I:%.*]], [[FOR_INC_I_I:%.*]] ], [ [[ADD_PTR1]], [[ENTRY:%.*]] ] +; CHECK-NEXT: [[__FIRST1_ADDR_06_I_I_IDX:%.*]] = phi i64 [ [[__FIRST1_ADDR_06_I_I_ADD:%.*]], [[FOR_INC_I_I]] ], [ 0, [[ENTRY]] ] +; CHECK-NEXT: [[__FIRST1_ADDR_06_I_I_PTR:%.*]] = getelementptr inbounds i8, i8* [[PTR]], i64 [[__FIRST1_ADDR_06_I_I_IDX]] +; CHECK-NEXT: [[V0:%.*]] = load i8, i8* [[__FIRST1_ADDR_06_I_I_PTR]] +; CHECK-NEXT: [[V1:%.*]] = load i8, i8* [[__FIRST2_ADDR_07_I_I]] +; CHECK-NEXT: [[CMP_I_I_I:%.*]] = icmp eq i8 [[V0]], [[V1]] +; CHECK-NEXT: br i1 [[CMP_I_I_I]], label [[FOR_INC_I_I]], label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT:%.*]] +; CHECK: for.inc.i.i: +; CHECK-NEXT: [[__FIRST1_ADDR_06_I_I_ADD]] = add nuw nsw i64 [[__FIRST1_ADDR_06_I_I_IDX]], 1 +; CHECK-NEXT: [[INCDEC_PTR1_I_I]] = getelementptr inbounds i8, i8* [[__FIRST2_ADDR_07_I_I]], i64 1 +; CHECK-NEXT: [[CMP_I_I:%.*]] = icmp eq i64 [[__FIRST1_ADDR_06_I_I_ADD]], 16 +; CHECK-NEXT: br i1 [[CMP_I_I]], label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT]], label [[FOR_BODY_I_I]] ; CHECK: _ZNSt3__15equalIPKcS2_EEbT_S3_T0_.exit: -; CHECK-NEXT: [[RETVAL_0_I_I:%.*]] = phi i1 [ false, [[PTR_VS_ADD_PTR1_EQCMP_UNEQUALBB]] ], [ true, [[PTR_VS_ADD_PTR1_EQCMP_EQUALBB]] ] +; CHECK-NEXT: [[RETVAL_0_I_I:%.*]] = phi i1 [ false, [[FOR_BODY_I_I]] ], [ true, [[FOR_INC_I_I]] ] ; CHECK-NEXT: ret i1 [[RETVAL_0_I_I]] ; entry: @@ -317,16 +331,23 @@ _ZNSt3__15equalIPKcS2_EEbT_S3_T0_.exit: ; preds = %for.body.i.i, %for. define i1 @_Z44pointer_iteration_const_size_overlap_unknownPKcS0_(i8* %ptr0, i8* %ptr1) { ; CHECK-LABEL: @_Z44pointer_iteration_const_size_overlap_unknownPKcS0_( -; CHECK-NEXT: for.body.i.i.bcmpdispatchbb: -; CHECK-NEXT: [[MEMCMP:%.*]] = call i32 @memcmp(i8* [[PTR0:%.*]], i8* [[PTR1:%.*]], i64 8) -; CHECK-NEXT: [[PTR0_VS_PTR1_EQCMP:%.*]] = icmp eq i32 [[MEMCMP]], 0 -; CHECK-NEXT: br i1 [[PTR0_VS_PTR1_EQCMP]], label [[PTR0_VS_PTR1_EQCMP_EQUALBB:%.*]], label [[PTR0_VS_PTR1_EQCMP_UNEQUALBB:%.*]] -; CHECK: ptr0.vs.ptr1.eqcmp.equalbb: -; CHECK-NEXT: br label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT:%.*]] -; CHECK: ptr0.vs.ptr1.eqcmp.unequalbb: -; CHECK-NEXT: br label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT]] +; CHECK-NEXT: entry: +; CHECK-NEXT: br label [[FOR_BODY_I_I:%.*]] +; CHECK: for.body.i.i: +; CHECK-NEXT: [[__FIRST2_ADDR_07_I_I:%.*]] = phi i8* [ [[INCDEC_PTR1_I_I:%.*]], [[FOR_INC_I_I:%.*]] ], [ [[PTR1:%.*]], [[ENTRY:%.*]] ] +; CHECK-NEXT: [[__FIRST1_ADDR_06_I_I_IDX:%.*]] = phi i64 [ [[__FIRST1_ADDR_06_I_I_ADD:%.*]], [[FOR_INC_I_I]] ], [ 0, [[ENTRY]] ] +; CHECK-NEXT: [[__FIRST1_ADDR_06_I_I_PTR:%.*]] = getelementptr inbounds i8, i8* [[PTR0:%.*]], i64 [[__FIRST1_ADDR_06_I_I_IDX]] +; CHECK-NEXT: [[V0:%.*]] = load i8, i8* [[__FIRST1_ADDR_06_I_I_PTR]] +; CHECK-NEXT: [[V1:%.*]] = load i8, i8* [[__FIRST2_ADDR_07_I_I]] +; CHECK-NEXT: [[CMP_I_I_I:%.*]] = icmp eq i8 [[V0]], [[V1]] +; CHECK-NEXT: br i1 [[CMP_I_I_I]], label [[FOR_INC_I_I]], label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT:%.*]] +; CHECK: for.inc.i.i: +; CHECK-NEXT: [[__FIRST1_ADDR_06_I_I_ADD]] = add nuw nsw i64 [[__FIRST1_ADDR_06_I_I_IDX]], 1 +; CHECK-NEXT: [[INCDEC_PTR1_I_I]] = getelementptr inbounds i8, i8* [[__FIRST2_ADDR_07_I_I]], i64 1 +; CHECK-NEXT: [[CMP_I_I:%.*]] = icmp eq i64 [[__FIRST1_ADDR_06_I_I_ADD]], 8 +; CHECK-NEXT: br i1 [[CMP_I_I]], label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT]], label [[FOR_BODY_I_I]] ; CHECK: _ZNSt3__15equalIPKcS2_EEbT_S3_T0_.exit: -; CHECK-NEXT: [[RETVAL_0_I_I:%.*]] = phi i1 [ false, [[PTR0_VS_PTR1_EQCMP_UNEQUALBB]] ], [ true, [[PTR0_VS_PTR1_EQCMP_EQUALBB]] ] +; CHECK-NEXT: [[RETVAL_0_I_I:%.*]] = phi i1 [ false, [[FOR_BODY_I_I]] ], [ true, [[FOR_INC_I_I]] ] ; CHECK-NEXT: ret i1 [[RETVAL_0_I_I]] ; entry: @@ -355,19 +376,25 @@ _ZNSt3__15equalIPKcS2_EEbT_S3_T0_.exit: ; preds = %for.body.i.i, %for. define i1 @_Z42pointer_iteration_variable_size_no_overlapPKcm(i8* %ptr, i64 %count) { ; CHECK-LABEL: @_Z42pointer_iteration_variable_size_no_overlapPKcm( ; CHECK-NEXT: entry: -; CHECK-NEXT: [[ADD_PTR:%.*]] = getelementptr inbounds i8, i8* [[PTR:%.*]], i64 [[COUNT_BYTECOUNT:%.*]] -; CHECK-NEXT: [[CMP5_I_I:%.*]] = icmp eq i64 [[COUNT_BYTECOUNT]], 0 -; CHECK-NEXT: br i1 [[CMP5_I_I]], label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT:%.*]], label [[FOR_BODY_I_I_BCMPDISPATCHBB:%.*]] -; CHECK: for.body.i.i.bcmpdispatchbb: -; CHECK-NEXT: [[MEMCMP:%.*]] = call i32 @memcmp(i8* [[PTR]], i8* [[ADD_PTR]], i64 [[COUNT_BYTECOUNT]]) -; CHECK-NEXT: [[PTR_VS_ADD_PTR_EQCMP:%.*]] = icmp eq i32 [[MEMCMP]], 0 -; CHECK-NEXT: br i1 [[PTR_VS_ADD_PTR_EQCMP]], label [[PTR_VS_ADD_PTR_EQCMP_EQUALBB:%.*]], label [[PTR_VS_ADD_PTR_EQCMP_UNEQUALBB:%.*]] -; CHECK: ptr.vs.add.ptr.eqcmp.equalbb: -; CHECK-NEXT: br label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT_LOOPEXIT:%.*]] -; CHECK: ptr.vs.add.ptr.eqcmp.unequalbb: -; CHECK-NEXT: br label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT_LOOPEXIT]] +; CHECK-NEXT: [[ADD_PTR:%.*]] = getelementptr inbounds i8, i8* [[PTR:%.*]], i64 [[COUNT:%.*]] +; CHECK-NEXT: [[CMP5_I_I:%.*]] = icmp eq i64 [[COUNT]], 0 +; CHECK-NEXT: br i1 [[CMP5_I_I]], label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT:%.*]], label [[FOR_BODY_I_I_PREHEADER:%.*]] +; CHECK: for.body.i.i.preheader: +; CHECK-NEXT: br label [[FOR_BODY_I_I:%.*]] +; CHECK: for.body.i.i: +; CHECK-NEXT: [[__FIRST2_ADDR_07_I_I:%.*]] = phi i8* [ [[INCDEC_PTR1_I_I:%.*]], [[FOR_INC_I_I:%.*]] ], [ [[ADD_PTR]], [[FOR_BODY_I_I_PREHEADER]] ] +; CHECK-NEXT: [[__FIRST1_ADDR_06_I_I:%.*]] = phi i8* [ [[INCDEC_PTR_I_I:%.*]], [[FOR_INC_I_I]] ], [ [[PTR]], [[FOR_BODY_I_I_PREHEADER]] ] +; CHECK-NEXT: [[V0:%.*]] = load i8, i8* [[__FIRST1_ADDR_06_I_I]] +; CHECK-NEXT: [[V1:%.*]] = load i8, i8* [[__FIRST2_ADDR_07_I_I]] +; CHECK-NEXT: [[CMP_I_I_I:%.*]] = icmp eq i8 [[V0]], [[V1]] +; CHECK-NEXT: br i1 [[CMP_I_I_I]], label [[FOR_INC_I_I]], label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT_LOOPEXIT:%.*]] +; CHECK: for.inc.i.i: +; CHECK-NEXT: [[INCDEC_PTR_I_I]] = getelementptr inbounds i8, i8* [[__FIRST1_ADDR_06_I_I]], i64 1 +; CHECK-NEXT: [[INCDEC_PTR1_I_I]] = getelementptr inbounds i8, i8* [[__FIRST2_ADDR_07_I_I]], i64 1 +; CHECK-NEXT: [[CMP_I_I:%.*]] = icmp eq i8* [[INCDEC_PTR_I_I]], [[ADD_PTR]] +; CHECK-NEXT: br i1 [[CMP_I_I]], label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT_LOOPEXIT]], label [[FOR_BODY_I_I]] ; CHECK: _ZNSt3__15equalIPKcS2_EEbT_S3_T0_.exit.loopexit: -; CHECK-NEXT: [[RETVAL_0_I_I_PH:%.*]] = phi i1 [ false, [[PTR_VS_ADD_PTR_EQCMP_UNEQUALBB]] ], [ true, [[PTR_VS_ADD_PTR_EQCMP_EQUALBB]] ] +; CHECK-NEXT: [[RETVAL_0_I_I_PH:%.*]] = phi i1 [ false, [[FOR_BODY_I_I]] ], [ true, [[FOR_INC_I_I]] ] ; CHECK-NEXT: br label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT]] ; CHECK: _ZNSt3__15equalIPKcS2_EEbT_S3_T0_.exit: ; CHECK-NEXT: [[RETVAL_0_I_I:%.*]] = phi i1 [ true, [[ENTRY:%.*]] ], [ [[RETVAL_0_I_I_PH]], [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT_LOOPEXIT]] ] @@ -400,21 +427,27 @@ _ZNSt3__15equalIPKcS2_EEbT_S3_T0_.exit: ; preds = %for.body.i.i, %for. define i1 @_Z47pointer_iteration_variable_size_partial_overlapPKcm(i8* %ptr, i64 %count) { ; CHECK-LABEL: @_Z47pointer_iteration_variable_size_partial_overlapPKcm( ; CHECK-NEXT: entry: -; CHECK-NEXT: [[MUL_BYTECOUNT:%.*]] = shl i64 [[COUNT:%.*]], 1 -; CHECK-NEXT: [[ADD_PTR:%.*]] = getelementptr inbounds i8, i8* [[PTR:%.*]], i64 [[MUL_BYTECOUNT]] -; CHECK-NEXT: [[CMP5_I_I:%.*]] = icmp eq i64 [[MUL_BYTECOUNT]], 0 -; CHECK-NEXT: br i1 [[CMP5_I_I]], label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT:%.*]], label [[FOR_BODY_I_I_BCMPDISPATCHBB:%.*]] -; CHECK: for.body.i.i.bcmpdispatchbb: +; CHECK-NEXT: [[MUL:%.*]] = shl i64 [[COUNT:%.*]], 1 +; CHECK-NEXT: [[ADD_PTR:%.*]] = getelementptr inbounds i8, i8* [[PTR:%.*]], i64 [[MUL]] +; CHECK-NEXT: [[CMP5_I_I:%.*]] = icmp eq i64 [[MUL]], 0 +; CHECK-NEXT: br i1 [[CMP5_I_I]], label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT:%.*]], label [[FOR_BODY_I_I_PREHEADER:%.*]] +; CHECK: for.body.i.i.preheader: ; CHECK-NEXT: [[ADD_PTR1:%.*]] = getelementptr inbounds i8, i8* [[PTR]], i64 [[COUNT]] -; CHECK-NEXT: [[MEMCMP:%.*]] = call i32 @memcmp(i8* [[PTR]], i8* [[ADD_PTR1]], i64 [[MUL_BYTECOUNT]]) -; CHECK-NEXT: [[PTR_VS_ADD_PTR1_EQCMP:%.*]] = icmp eq i32 [[MEMCMP]], 0 -; CHECK-NEXT: br i1 [[PTR_VS_ADD_PTR1_EQCMP]], label [[PTR_VS_ADD_PTR1_EQCMP_EQUALBB:%.*]], label [[PTR_VS_ADD_PTR1_EQCMP_UNEQUALBB:%.*]] -; CHECK: ptr.vs.add.ptr1.eqcmp.equalbb: -; CHECK-NEXT: br label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT_LOOPEXIT:%.*]] -; CHECK: ptr.vs.add.ptr1.eqcmp.unequalbb: -; CHECK-NEXT: br label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT_LOOPEXIT]] +; CHECK-NEXT: br label [[FOR_BODY_I_I:%.*]] +; CHECK: for.body.i.i: +; CHECK-NEXT: [[__FIRST2_ADDR_07_I_I:%.*]] = phi i8* [ [[INCDEC_PTR1_I_I:%.*]], [[FOR_INC_I_I:%.*]] ], [ [[ADD_PTR1]], [[FOR_BODY_I_I_PREHEADER]] ] +; CHECK-NEXT: [[__FIRST1_ADDR_06_I_I:%.*]] = phi i8* [ [[INCDEC_PTR_I_I:%.*]], [[FOR_INC_I_I]] ], [ [[PTR]], [[FOR_BODY_I_I_PREHEADER]] ] +; CHECK-NEXT: [[V0:%.*]] = load i8, i8* [[__FIRST1_ADDR_06_I_I]] +; CHECK-NEXT: [[V1:%.*]] = load i8, i8* [[__FIRST2_ADDR_07_I_I]] +; CHECK-NEXT: [[CMP_I_I_I:%.*]] = icmp eq i8 [[V0]], [[V1]] +; CHECK-NEXT: br i1 [[CMP_I_I_I]], label [[FOR_INC_I_I]], label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT_LOOPEXIT:%.*]] +; CHECK: for.inc.i.i: +; CHECK-NEXT: [[INCDEC_PTR_I_I]] = getelementptr inbounds i8, i8* [[__FIRST1_ADDR_06_I_I]], i64 1 +; CHECK-NEXT: [[INCDEC_PTR1_I_I]] = getelementptr inbounds i8, i8* [[__FIRST2_ADDR_07_I_I]], i64 1 +; CHECK-NEXT: [[CMP_I_I:%.*]] = icmp eq i8* [[INCDEC_PTR_I_I]], [[ADD_PTR]] +; CHECK-NEXT: br i1 [[CMP_I_I]], label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT_LOOPEXIT]], label [[FOR_BODY_I_I]] ; CHECK: _ZNSt3__15equalIPKcS2_EEbT_S3_T0_.exit.loopexit: -; CHECK-NEXT: [[RETVAL_0_I_I_PH:%.*]] = phi i1 [ false, [[PTR_VS_ADD_PTR1_EQCMP_UNEQUALBB]] ], [ true, [[PTR_VS_ADD_PTR1_EQCMP_EQUALBB]] ] +; CHECK-NEXT: [[RETVAL_0_I_I_PH:%.*]] = phi i1 [ false, [[FOR_BODY_I_I]] ], [ true, [[FOR_INC_I_I]] ] ; CHECK-NEXT: br label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT]] ; CHECK: _ZNSt3__15equalIPKcS2_EEbT_S3_T0_.exit: ; CHECK-NEXT: [[RETVAL_0_I_I:%.*]] = phi i1 [ true, [[ENTRY:%.*]] ], [ [[RETVAL_0_I_I_PH]], [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT_LOOPEXIT]] ] @@ -452,19 +485,25 @@ _ZNSt3__15equalIPKcS2_EEbT_S3_T0_.exit: ; preds = %for.body.i.i, %for. define i1 @_Z47pointer_iteration_variable_size_overlap_unknownPKcS0_m(i8* %ptr0, i8* %ptr1, i64 %count) { ; CHECK-LABEL: @_Z47pointer_iteration_variable_size_overlap_unknownPKcS0_m( ; CHECK-NEXT: entry: -; CHECK-NEXT: [[ADD_PTR:%.*]] = getelementptr inbounds i8, i8* [[PTR0:%.*]], i64 [[COUNT_BYTECOUNT:%.*]] -; CHECK-NEXT: [[CMP5_I_I:%.*]] = icmp eq i64 [[COUNT_BYTECOUNT]], 0 -; CHECK-NEXT: br i1 [[CMP5_I_I]], label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT:%.*]], label [[FOR_BODY_I_I_BCMPDISPATCHBB:%.*]] -; CHECK: for.body.i.i.bcmpdispatchbb: -; CHECK-NEXT: [[MEMCMP:%.*]] = call i32 @memcmp(i8* [[PTR0]], i8* [[PTR1:%.*]], i64 [[COUNT_BYTECOUNT]]) -; CHECK-NEXT: [[PTR0_VS_PTR1_EQCMP:%.*]] = icmp eq i32 [[MEMCMP]], 0 -; CHECK-NEXT: br i1 [[PTR0_VS_PTR1_EQCMP]], label [[PTR0_VS_PTR1_EQCMP_EQUALBB:%.*]], label [[PTR0_VS_PTR1_EQCMP_UNEQUALBB:%.*]] -; CHECK: ptr0.vs.ptr1.eqcmp.equalbb: -; CHECK-NEXT: br label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT_LOOPEXIT:%.*]] -; CHECK: ptr0.vs.ptr1.eqcmp.unequalbb: -; CHECK-NEXT: br label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT_LOOPEXIT]] +; CHECK-NEXT: [[ADD_PTR:%.*]] = getelementptr inbounds i8, i8* [[PTR0:%.*]], i64 [[COUNT:%.*]] +; CHECK-NEXT: [[CMP5_I_I:%.*]] = icmp eq i64 [[COUNT]], 0 +; CHECK-NEXT: br i1 [[CMP5_I_I]], label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT:%.*]], label [[FOR_BODY_I_I_PREHEADER:%.*]] +; CHECK: for.body.i.i.preheader: +; CHECK-NEXT: br label [[FOR_BODY_I_I:%.*]] +; CHECK: for.body.i.i: +; CHECK-NEXT: [[__FIRST2_ADDR_07_I_I:%.*]] = phi i8* [ [[INCDEC_PTR1_I_I:%.*]], [[FOR_INC_I_I:%.*]] ], [ [[PTR1:%.*]], [[FOR_BODY_I_I_PREHEADER]] ] +; CHECK-NEXT: [[__FIRST1_ADDR_06_I_I:%.*]] = phi i8* [ [[INCDEC_PTR_I_I:%.*]], [[FOR_INC_I_I]] ], [ [[PTR0]], [[FOR_BODY_I_I_PREHEADER]] ] +; CHECK-NEXT: [[V0:%.*]] = load i8, i8* [[__FIRST1_ADDR_06_I_I]] +; CHECK-NEXT: [[V1:%.*]] = load i8, i8* [[__FIRST2_ADDR_07_I_I]] +; CHECK-NEXT: [[CMP_I_I_I:%.*]] = icmp eq i8 [[V0]], [[V1]] +; CHECK-NEXT: br i1 [[CMP_I_I_I]], label [[FOR_INC_I_I]], label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT_LOOPEXIT:%.*]] +; CHECK: for.inc.i.i: +; CHECK-NEXT: [[INCDEC_PTR_I_I]] = getelementptr inbounds i8, i8* [[__FIRST1_ADDR_06_I_I]], i64 1 +; CHECK-NEXT: [[INCDEC_PTR1_I_I]] = getelementptr inbounds i8, i8* [[__FIRST2_ADDR_07_I_I]], i64 1 +; CHECK-NEXT: [[CMP_I_I:%.*]] = icmp eq i8* [[INCDEC_PTR_I_I]], [[ADD_PTR]] +; CHECK-NEXT: br i1 [[CMP_I_I]], label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT_LOOPEXIT]], label [[FOR_BODY_I_I]] ; CHECK: _ZNSt3__15equalIPKcS2_EEbT_S3_T0_.exit.loopexit: -; CHECK-NEXT: [[RETVAL_0_I_I_PH:%.*]] = phi i1 [ false, [[PTR0_VS_PTR1_EQCMP_UNEQUALBB]] ], [ true, [[PTR0_VS_PTR1_EQCMP_EQUALBB]] ] +; CHECK-NEXT: [[RETVAL_0_I_I_PH:%.*]] = phi i1 [ false, [[FOR_BODY_I_I]] ], [ true, [[FOR_INC_I_I]] ] ; CHECK-NEXT: br label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT]] ; CHECK: _ZNSt3__15equalIPKcS2_EEbT_S3_T0_.exit: ; CHECK-NEXT: [[RETVAL_0_I_I:%.*]] = phi i1 [ true, [[ENTRY:%.*]] ], [ [[RETVAL_0_I_I_PH]], [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT_LOOPEXIT]] ] @@ -496,17 +535,23 @@ _ZNSt3__15equalIPKcS2_EEbT_S3_T0_.exit: ; preds = %for.body.i.i, %for. define i1 @_Z40index_iteration_eq_const_size_no_overlapPKc(i8* %ptr) { ; CHECK-LABEL: @_Z40index_iteration_eq_const_size_no_overlapPKc( -; CHECK-NEXT: for.body.bcmpdispatchbb: +; CHECK-NEXT: entry: ; CHECK-NEXT: [[ADD_PTR:%.*]] = getelementptr inbounds i8, i8* [[PTR:%.*]], i64 8 -; CHECK-NEXT: [[MEMCMP:%.*]] = call i32 @memcmp(i8* [[PTR]], i8* [[ADD_PTR]], i64 8) -; CHECK-NEXT: [[PTR_VS_ADD_PTR_EQCMP:%.*]] = icmp eq i32 [[MEMCMP]], 0 -; CHECK-NEXT: br i1 [[PTR_VS_ADD_PTR_EQCMP]], label [[PTR_VS_ADD_PTR_EQCMP_EQUALBB:%.*]], label [[PTR_VS_ADD_PTR_EQCMP_UNEQUALBB:%.*]] -; CHECK: ptr.vs.add.ptr.eqcmp.equalbb: -; CHECK-NEXT: br label [[CLEANUP:%.*]] -; CHECK: ptr.vs.add.ptr.eqcmp.unequalbb: -; CHECK-NEXT: br label [[CLEANUP]] +; CHECK-NEXT: br label [[FOR_BODY:%.*]] +; CHECK: for.cond: +; CHECK-NEXT: [[CMP:%.*]] = icmp ult i64 [[INC:%.*]], 8 +; CHECK-NEXT: br i1 [[CMP]], label [[FOR_BODY]], label [[CLEANUP:%.*]] +; CHECK: for.body: +; CHECK-NEXT: [[I_013:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[INC]], [[FOR_COND:%.*]] ] +; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i8, i8* [[PTR]], i64 [[I_013]] +; CHECK-NEXT: [[V0:%.*]] = load i8, i8* [[ARRAYIDX]] +; CHECK-NEXT: [[ARRAYIDX1:%.*]] = getelementptr inbounds i8, i8* [[ADD_PTR]], i64 [[I_013]] +; CHECK-NEXT: [[V1:%.*]] = load i8, i8* [[ARRAYIDX1]] +; CHECK-NEXT: [[CMP3:%.*]] = icmp eq i8 [[V0]], [[V1]] +; CHECK-NEXT: [[INC]] = add nuw nsw i64 [[I_013]], 1 +; CHECK-NEXT: br i1 [[CMP3]], label [[FOR_COND]], label [[CLEANUP]] ; CHECK: cleanup: -; CHECK-NEXT: [[RES:%.*]] = phi i1 [ false, [[PTR_VS_ADD_PTR_EQCMP_UNEQUALBB]] ], [ true, [[PTR_VS_ADD_PTR_EQCMP_EQUALBB]] ] +; CHECK-NEXT: [[RES:%.*]] = phi i1 [ false, [[FOR_BODY]] ], [ true, [[FOR_COND]] ] ; CHECK-NEXT: ret i1 [[RES]] ; entry: @@ -534,17 +579,23 @@ cleanup: ; preds = %for.cond, %for.body define i1 @_Z45index_iteration_eq_const_size_partial_overlapPKc(i8* %ptr) { ; CHECK-LABEL: @_Z45index_iteration_eq_const_size_partial_overlapPKc( -; CHECK-NEXT: for.body.bcmpdispatchbb: +; CHECK-NEXT: entry: ; CHECK-NEXT: [[ADD_PTR:%.*]] = getelementptr inbounds i8, i8* [[PTR:%.*]], i64 8 -; CHECK-NEXT: [[MEMCMP:%.*]] = call i32 @memcmp(i8* [[PTR]], i8* [[ADD_PTR]], i64 16) -; CHECK-NEXT: [[PTR_VS_ADD_PTR_EQCMP:%.*]] = icmp eq i32 [[MEMCMP]], 0 -; CHECK-NEXT: br i1 [[PTR_VS_ADD_PTR_EQCMP]], label [[PTR_VS_ADD_PTR_EQCMP_EQUALBB:%.*]], label [[PTR_VS_ADD_PTR_EQCMP_UNEQUALBB:%.*]] -; CHECK: ptr.vs.add.ptr.eqcmp.equalbb: -; CHECK-NEXT: br label [[CLEANUP:%.*]] -; CHECK: ptr.vs.add.ptr.eqcmp.unequalbb: -; CHECK-NEXT: br label [[CLEANUP]] +; CHECK-NEXT: br label [[FOR_BODY:%.*]] +; CHECK: for.cond: +; CHECK-NEXT: [[CMP:%.*]] = icmp ult i64 [[INC:%.*]], 16 +; CHECK-NEXT: br i1 [[CMP]], label [[FOR_BODY]], label [[CLEANUP:%.*]] +; CHECK: for.body: +; CHECK-NEXT: [[I_013:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[INC]], [[FOR_COND:%.*]] ] +; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i8, i8* [[PTR]], i64 [[I_013]] +; CHECK-NEXT: [[V0:%.*]] = load i8, i8* [[ARRAYIDX]] +; CHECK-NEXT: [[ARRAYIDX1:%.*]] = getelementptr inbounds i8, i8* [[ADD_PTR]], i64 [[I_013]] +; CHECK-NEXT: [[V1:%.*]] = load i8, i8* [[ARRAYIDX1]] +; CHECK-NEXT: [[CMP3:%.*]] = icmp eq i8 [[V0]], [[V1]] +; CHECK-NEXT: [[INC]] = add nuw nsw i64 [[I_013]], 1 +; CHECK-NEXT: br i1 [[CMP3]], label [[FOR_COND]], label [[CLEANUP]] ; CHECK: cleanup: -; CHECK-NEXT: [[RES:%.*]] = phi i1 [ false, [[PTR_VS_ADD_PTR_EQCMP_UNEQUALBB]] ], [ true, [[PTR_VS_ADD_PTR_EQCMP_EQUALBB]] ] +; CHECK-NEXT: [[RES:%.*]] = phi i1 [ false, [[FOR_BODY]] ], [ true, [[FOR_COND]] ] ; CHECK-NEXT: ret i1 [[RES]] ; entry: @@ -572,16 +623,22 @@ cleanup: ; preds = %for.cond, %for.body define i1 @_Z45index_iteration_eq_const_size_overlap_unknownPKcS0_(i8* %ptr0, i8* %ptr1) { ; CHECK-LABEL: @_Z45index_iteration_eq_const_size_overlap_unknownPKcS0_( -; CHECK-NEXT: for.body.bcmpdispatchbb: -; CHECK-NEXT: [[MEMCMP:%.*]] = call i32 @memcmp(i8* [[PTR0:%.*]], i8* [[PTR1:%.*]], i64 8) -; CHECK-NEXT: [[PTR0_VS_PTR1_EQCMP:%.*]] = icmp eq i32 [[MEMCMP]], 0 -; CHECK-NEXT: br i1 [[PTR0_VS_PTR1_EQCMP]], label [[PTR0_VS_PTR1_EQCMP_EQUALBB:%.*]], label [[PTR0_VS_PTR1_EQCMP_UNEQUALBB:%.*]] -; CHECK: ptr0.vs.ptr1.eqcmp.equalbb: -; CHECK-NEXT: br label [[CLEANUP:%.*]] -; CHECK: ptr0.vs.ptr1.eqcmp.unequalbb: -; CHECK-NEXT: br label [[CLEANUP]] +; CHECK-NEXT: entry: +; CHECK-NEXT: br label [[FOR_BODY:%.*]] +; CHECK: for.cond: +; CHECK-NEXT: [[CMP:%.*]] = icmp ult i64 [[INC:%.*]], 8 +; CHECK-NEXT: br i1 [[CMP]], label [[FOR_BODY]], label [[CLEANUP:%.*]] +; CHECK: for.body: +; CHECK-NEXT: [[I_08:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[INC]], [[FOR_COND:%.*]] ] +; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i8, i8* [[PTR0:%.*]], i64 [[I_08]] +; CHECK-NEXT: [[V0:%.*]] = load i8, i8* [[ARRAYIDX]] +; CHECK-NEXT: [[ARRAYIDX1:%.*]] = getelementptr inbounds i8, i8* [[PTR1:%.*]], i64 [[I_08]] +; CHECK-NEXT: [[V1:%.*]] = load i8, i8* [[ARRAYIDX1]] +; CHECK-NEXT: [[CMP3:%.*]] = icmp eq i8 [[V0]], [[V1]] +; CHECK-NEXT: [[INC]] = add nuw nsw i64 [[I_08]], 1 +; CHECK-NEXT: br i1 [[CMP3]], label [[FOR_COND]], label [[CLEANUP]] ; CHECK: cleanup: -; CHECK-NEXT: [[RES:%.*]] = phi i1 [ false, [[PTR0_VS_PTR1_EQCMP_UNEQUALBB]] ], [ true, [[PTR0_VS_PTR1_EQCMP_EQUALBB]] ] +; CHECK-NEXT: [[RES:%.*]] = phi i1 [ false, [[FOR_BODY]] ], [ true, [[FOR_COND]] ] ; CHECK-NEXT: ret i1 [[RES]] ; entry: @@ -609,19 +666,25 @@ cleanup: ; preds = %for.cond, %for.body define i1 @_Z43index_iteration_eq_variable_size_no_overlapPKcm(i8* %ptr, i64 %count) { ; CHECK-LABEL: @_Z43index_iteration_eq_variable_size_no_overlapPKcm( ; CHECK-NEXT: entry: -; CHECK-NEXT: [[ADD_PTR:%.*]] = getelementptr inbounds i8, i8* [[PTR:%.*]], i64 [[COUNT_BYTECOUNT:%.*]] -; CHECK-NEXT: [[CMP14:%.*]] = icmp eq i64 [[COUNT_BYTECOUNT]], 0 -; CHECK-NEXT: br i1 [[CMP14]], label [[CLEANUP:%.*]], label [[FOR_BODY_BCMPDISPATCHBB:%.*]] -; CHECK: for.body.bcmpdispatchbb: -; CHECK-NEXT: [[MEMCMP:%.*]] = call i32 @memcmp(i8* [[PTR]], i8* [[ADD_PTR]], i64 [[COUNT_BYTECOUNT]]) -; CHECK-NEXT: [[PTR_VS_ADD_PTR_EQCMP:%.*]] = icmp eq i32 [[MEMCMP]], 0 -; CHECK-NEXT: br i1 [[PTR_VS_ADD_PTR_EQCMP]], label [[PTR_VS_ADD_PTR_EQCMP_EQUALBB:%.*]], label [[PTR_VS_ADD_PTR_EQCMP_UNEQUALBB:%.*]] -; CHECK: ptr.vs.add.ptr.eqcmp.equalbb: -; CHECK-NEXT: br label [[CLEANUP_LOOPEXIT:%.*]] -; CHECK: ptr.vs.add.ptr.eqcmp.unequalbb: -; CHECK-NEXT: br label [[CLEANUP_LOOPEXIT]] +; CHECK-NEXT: [[ADD_PTR:%.*]] = getelementptr inbounds i8, i8* [[PTR:%.*]], i64 [[COUNT:%.*]] +; CHECK-NEXT: [[CMP14:%.*]] = icmp eq i64 [[COUNT]], 0 +; CHECK-NEXT: br i1 [[CMP14]], label [[CLEANUP:%.*]], label [[FOR_BODY_PREHEADER:%.*]] +; CHECK: for.body.preheader: +; CHECK-NEXT: br label [[FOR_BODY:%.*]] +; CHECK: for.cond: +; CHECK-NEXT: [[CMP:%.*]] = icmp ult i64 [[INC:%.*]], [[COUNT]] +; CHECK-NEXT: br i1 [[CMP]], label [[FOR_BODY]], label [[CLEANUP_LOOPEXIT:%.*]] +; CHECK: for.body: +; CHECK-NEXT: [[I_015:%.*]] = phi i64 [ [[INC]], [[FOR_COND:%.*]] ], [ 0, [[FOR_BODY_PREHEADER]] ] +; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i8, i8* [[PTR]], i64 [[I_015]] +; CHECK-NEXT: [[V0:%.*]] = load i8, i8* [[ARRAYIDX]] +; CHECK-NEXT: [[ARRAYIDX1:%.*]] = getelementptr inbounds i8, i8* [[ADD_PTR]], i64 [[I_015]] +; CHECK-NEXT: [[V1:%.*]] = load i8, i8* [[ARRAYIDX1]] +; CHECK-NEXT: [[CMP3:%.*]] = icmp eq i8 [[V0]], [[V1]] +; CHECK-NEXT: [[INC]] = add nuw i64 [[I_015]], 1 +; CHECK-NEXT: br i1 [[CMP3]], label [[FOR_COND]], label [[CLEANUP_LOOPEXIT]] ; CHECK: cleanup.loopexit: -; CHECK-NEXT: [[RES_PH:%.*]] = phi i1 [ false, [[PTR_VS_ADD_PTR_EQCMP_UNEQUALBB]] ], [ true, [[PTR_VS_ADD_PTR_EQCMP_EQUALBB]] ] +; CHECK-NEXT: [[RES_PH:%.*]] = phi i1 [ false, [[FOR_BODY]] ], [ true, [[FOR_COND]] ] ; CHECK-NEXT: br label [[CLEANUP]] ; CHECK: cleanup: ; CHECK-NEXT: [[RES:%.*]] = phi i1 [ true, [[ENTRY:%.*]] ], [ [[RES_PH]], [[CLEANUP_LOOPEXIT]] ] @@ -655,19 +718,25 @@ define i1 @_Z48index_iteration_eq_variable_size_partial_overlapPKcm(i8* %ptr, i6 ; CHECK-LABEL: @_Z48index_iteration_eq_variable_size_partial_overlapPKcm( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[ADD_PTR:%.*]] = getelementptr inbounds i8, i8* [[PTR:%.*]], i64 [[COUNT:%.*]] -; CHECK-NEXT: [[MUL_BYTECOUNT:%.*]] = shl i64 [[COUNT]], 1 -; CHECK-NEXT: [[CMP14:%.*]] = icmp eq i64 [[MUL_BYTECOUNT]], 0 -; CHECK-NEXT: br i1 [[CMP14]], label [[CLEANUP:%.*]], label [[FOR_BODY_BCMPDISPATCHBB:%.*]] -; CHECK: for.body.bcmpdispatchbb: -; CHECK-NEXT: [[MEMCMP:%.*]] = call i32 @memcmp(i8* [[PTR]], i8* [[ADD_PTR]], i64 [[MUL_BYTECOUNT]]) -; CHECK-NEXT: [[PTR_VS_ADD_PTR_EQCMP:%.*]] = icmp eq i32 [[MEMCMP]], 0 -; CHECK-NEXT: br i1 [[PTR_VS_ADD_PTR_EQCMP]], label [[PTR_VS_ADD_PTR_EQCMP_EQUALBB:%.*]], label [[PTR_VS_ADD_PTR_EQCMP_UNEQUALBB:%.*]] -; CHECK: ptr.vs.add.ptr.eqcmp.equalbb: -; CHECK-NEXT: br label [[CLEANUP_LOOPEXIT:%.*]] -; CHECK: ptr.vs.add.ptr.eqcmp.unequalbb: -; CHECK-NEXT: br label [[CLEANUP_LOOPEXIT]] +; CHECK-NEXT: [[MUL:%.*]] = shl i64 [[COUNT]], 1 +; CHECK-NEXT: [[CMP14:%.*]] = icmp eq i64 [[MUL]], 0 +; CHECK-NEXT: br i1 [[CMP14]], label [[CLEANUP:%.*]], label [[FOR_BODY_PREHEADER:%.*]] +; CHECK: for.body.preheader: +; CHECK-NEXT: br label [[FOR_BODY:%.*]] +; CHECK: for.cond: +; CHECK-NEXT: [[CMP:%.*]] = icmp ult i64 [[INC:%.*]], [[MUL]] +; CHECK-NEXT: br i1 [[CMP]], label [[FOR_BODY]], label [[CLEANUP_LOOPEXIT:%.*]] +; CHECK: for.body: +; CHECK-NEXT: [[I_015:%.*]] = phi i64 [ [[INC]], [[FOR_COND:%.*]] ], [ 0, [[FOR_BODY_PREHEADER]] ] +; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i8, i8* [[PTR]], i64 [[I_015]] +; CHECK-NEXT: [[V0:%.*]] = load i8, i8* [[ARRAYIDX]] +; CHECK-NEXT: [[ARRAYIDX1:%.*]] = getelementptr inbounds i8, i8* [[ADD_PTR]], i64 [[I_015]] +; CHECK-NEXT: [[V1:%.*]] = load i8, i8* [[ARRAYIDX1]] +; CHECK-NEXT: [[CMP3:%.*]] = icmp eq i8 [[V0]], [[V1]] +; CHECK-NEXT: [[INC]] = add nuw i64 [[I_015]], 1 +; CHECK-NEXT: br i1 [[CMP3]], label [[FOR_COND]], label [[CLEANUP_LOOPEXIT]] ; CHECK: cleanup.loopexit: -; CHECK-NEXT: [[RES_PH:%.*]] = phi i1 [ false, [[PTR_VS_ADD_PTR_EQCMP_UNEQUALBB]] ], [ true, [[PTR_VS_ADD_PTR_EQCMP_EQUALBB]] ] +; CHECK-NEXT: [[RES_PH:%.*]] = phi i1 [ false, [[FOR_BODY]] ], [ true, [[FOR_COND]] ] ; CHECK-NEXT: br label [[CLEANUP]] ; CHECK: cleanup: ; CHECK-NEXT: [[RES:%.*]] = phi i1 [ true, [[ENTRY:%.*]] ], [ [[RES_PH]], [[CLEANUP_LOOPEXIT]] ] @@ -701,18 +770,24 @@ cleanup: ; preds = %for.body, %for.cond define i1 @_Z48index_iteration_eq_variable_size_overlap_unknownPKcS0_m(i8* %ptr0, i8* %ptr1, i64 %count) { ; CHECK-LABEL: @_Z48index_iteration_eq_variable_size_overlap_unknownPKcS0_m( ; CHECK-NEXT: entry: -; CHECK-NEXT: [[CMP8:%.*]] = icmp eq i64 [[COUNT_BYTECOUNT:%.*]], 0 -; CHECK-NEXT: br i1 [[CMP8]], label [[CLEANUP:%.*]], label [[FOR_BODY_BCMPDISPATCHBB:%.*]] -; CHECK: for.body.bcmpdispatchbb: -; CHECK-NEXT: [[MEMCMP:%.*]] = call i32 @memcmp(i8* [[PTR0:%.*]], i8* [[PTR1:%.*]], i64 [[COUNT_BYTECOUNT]]) -; CHECK-NEXT: [[PTR0_VS_PTR1_EQCMP:%.*]] = icmp eq i32 [[MEMCMP]], 0 -; CHECK-NEXT: br i1 [[PTR0_VS_PTR1_EQCMP]], label [[PTR0_VS_PTR1_EQCMP_EQUALBB:%.*]], label [[PTR0_VS_PTR1_EQCMP_UNEQUALBB:%.*]] -; CHECK: ptr0.vs.ptr1.eqcmp.equalbb: -; CHECK-NEXT: br label [[CLEANUP_LOOPEXIT:%.*]] -; CHECK: ptr0.vs.ptr1.eqcmp.unequalbb: -; CHECK-NEXT: br label [[CLEANUP_LOOPEXIT]] +; CHECK-NEXT: [[CMP8:%.*]] = icmp eq i64 [[COUNT:%.*]], 0 +; CHECK-NEXT: br i1 [[CMP8]], label [[CLEANUP:%.*]], label [[FOR_BODY_PREHEADER:%.*]] +; CHECK: for.body.preheader: +; CHECK-NEXT: br label [[FOR_BODY:%.*]] +; CHECK: for.cond: +; CHECK-NEXT: [[CMP:%.*]] = icmp ult i64 [[INC:%.*]], [[COUNT]] +; CHECK-NEXT: br i1 [[CMP]], label [[FOR_BODY]], label [[CLEANUP_LOOPEXIT:%.*]] +; CHECK: for.body: +; CHECK-NEXT: [[I_09:%.*]] = phi i64 [ [[INC]], [[FOR_COND:%.*]] ], [ 0, [[FOR_BODY_PREHEADER]] ] +; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i8, i8* [[PTR0:%.*]], i64 [[I_09]] +; CHECK-NEXT: [[V0:%.*]] = load i8, i8* [[ARRAYIDX]] +; CHECK-NEXT: [[ARRAYIDX1:%.*]] = getelementptr inbounds i8, i8* [[PTR1:%.*]], i64 [[I_09]] +; CHECK-NEXT: [[V1:%.*]] = load i8, i8* [[ARRAYIDX1]] +; CHECK-NEXT: [[CMP3:%.*]] = icmp eq i8 [[V0]], [[V1]] +; CHECK-NEXT: [[INC]] = add nuw i64 [[I_09]], 1 +; CHECK-NEXT: br i1 [[CMP3]], label [[FOR_COND]], label [[CLEANUP_LOOPEXIT]] ; CHECK: cleanup.loopexit: -; CHECK-NEXT: [[RES_PH:%.*]] = phi i1 [ false, [[PTR0_VS_PTR1_EQCMP_UNEQUALBB]] ], [ true, [[PTR0_VS_PTR1_EQCMP_EQUALBB]] ] +; CHECK-NEXT: [[RES_PH:%.*]] = phi i1 [ false, [[FOR_BODY]] ], [ true, [[FOR_COND]] ] ; CHECK-NEXT: br label [[CLEANUP]] ; CHECK: cleanup: ; CHECK-NEXT: [[RES:%.*]] = phi i1 [ true, [[ENTRY:%.*]] ], [ [[RES_PH]], [[CLEANUP_LOOPEXIT]] ] @@ -743,18 +818,22 @@ cleanup: ; preds = %for.body, %for.cond define i1 @_Z38index_iteration_starting_from_negativePKcS0_(i8* %ptr0, i8* %ptr1) { ; CHECK-LABEL: @_Z38index_iteration_starting_from_negativePKcS0_( -; CHECK-NEXT: for.body.bcmpdispatchbb: -; CHECK-NEXT: [[SCEVGEP:%.*]] = getelementptr i8, i8* [[PTR0:%.*]], i64 -4 -; CHECK-NEXT: [[SCEVGEP1:%.*]] = getelementptr i8, i8* [[PTR1:%.*]], i64 -4 -; CHECK-NEXT: [[MEMCMP:%.*]] = call i32 @memcmp(i8* [[SCEVGEP]], i8* [[SCEVGEP1]], i64 8) -; CHECK-NEXT: [[SCEVGEP_VS_SCEVGEP1_EQCMP:%.*]] = icmp eq i32 [[MEMCMP]], 0 -; CHECK-NEXT: br i1 [[SCEVGEP_VS_SCEVGEP1_EQCMP]], label [[SCEVGEP_VS_SCEVGEP1_EQCMP_EQUALBB:%.*]], label [[SCEVGEP_VS_SCEVGEP1_EQCMP_UNEQUALBB:%.*]] -; CHECK: scevgep.vs.scevgep1.eqcmp.equalbb: -; CHECK-NEXT: br label [[CLEANUP:%.*]] -; CHECK: scevgep.vs.scevgep1.eqcmp.unequalbb: -; CHECK-NEXT: br label [[CLEANUP]] +; CHECK-NEXT: entry: +; CHECK-NEXT: br label [[FOR_BODY:%.*]] +; CHECK: for.cond: +; CHECK-NEXT: [[CMP:%.*]] = icmp slt i64 [[INDVARS_IV_NEXT:%.*]], 4 +; CHECK-NEXT: br i1 [[CMP]], label [[FOR_BODY]], label [[CLEANUP:%.*]] +; CHECK: for.body: +; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ -4, [[ENTRY:%.*]] ], [ [[INDVARS_IV_NEXT]], [[FOR_COND:%.*]] ] +; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i8, i8* [[PTR0:%.*]], i64 [[INDVARS_IV]] +; CHECK-NEXT: [[V0:%.*]] = load i8, i8* [[ARRAYIDX]] +; CHECK-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds i8, i8* [[PTR1:%.*]], i64 [[INDVARS_IV]] +; CHECK-NEXT: [[V1:%.*]] = load i8, i8* [[ARRAYIDX2]] +; CHECK-NEXT: [[CMP4:%.*]] = icmp eq i8 [[V0]], [[V1]] +; CHECK-NEXT: [[INDVARS_IV_NEXT]] = add nsw i64 [[INDVARS_IV]], 1 +; CHECK-NEXT: br i1 [[CMP4]], label [[FOR_COND]], label [[CLEANUP]] ; CHECK: cleanup: -; CHECK-NEXT: [[RET:%.*]] = phi i1 [ false, [[SCEVGEP_VS_SCEVGEP1_EQCMP_UNEQUALBB]] ], [ true, [[SCEVGEP_VS_SCEVGEP1_EQCMP_EQUALBB]] ] +; CHECK-NEXT: [[RET:%.*]] = phi i1 [ false, [[FOR_BODY]] ], [ true, [[FOR_COND]] ] ; CHECK-NEXT: ret i1 [[RET]] ; entry: @@ -781,17 +860,25 @@ cleanup: ; preds = %for.cond, %for.body define i1 @_Z43combined_iteration_eq_const_size_no_overlapPKc(i8* %ptr) { ; CHECK-LABEL: @_Z43combined_iteration_eq_const_size_no_overlapPKc( -; CHECK-NEXT: for.body.bcmpdispatchbb: +; CHECK-NEXT: entry: ; CHECK-NEXT: [[ADD_PTR:%.*]] = getelementptr inbounds i8, i8* [[PTR:%.*]], i64 8 -; CHECK-NEXT: [[MEMCMP:%.*]] = call i32 @memcmp(i8* [[PTR]], i8* [[ADD_PTR]], i64 8) -; CHECK-NEXT: [[PTR_VS_ADD_PTR_EQCMP:%.*]] = icmp eq i32 [[MEMCMP]], 0 -; CHECK-NEXT: br i1 [[PTR_VS_ADD_PTR_EQCMP]], label [[PTR_VS_ADD_PTR_EQCMP_EQUALBB:%.*]], label [[PTR_VS_ADD_PTR_EQCMP_UNEQUALBB:%.*]] -; CHECK: ptr.vs.add.ptr.eqcmp.equalbb: -; CHECK-NEXT: br label [[CLEANUP:%.*]] -; CHECK: ptr.vs.add.ptr.eqcmp.unequalbb: -; CHECK-NEXT: br label [[CLEANUP]] +; CHECK-NEXT: br label [[FOR_BODY:%.*]] +; CHECK: for.body: +; CHECK-NEXT: [[I_015:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[INC:%.*]], [[FOR_INC:%.*]] ] +; CHECK-NEXT: [[PTR1_014:%.*]] = phi i8* [ [[ADD_PTR]], [[ENTRY]] ], [ [[INCDEC_PTR3:%.*]], [[FOR_INC]] ] +; CHECK-NEXT: [[PTR0_013:%.*]] = phi i8* [ [[PTR]], [[ENTRY]] ], [ [[INCDEC_PTR:%.*]], [[FOR_INC]] ] +; CHECK-NEXT: [[V0:%.*]] = load i8, i8* [[PTR0_013]] +; CHECK-NEXT: [[V1:%.*]] = load i8, i8* [[PTR1_014]] +; CHECK-NEXT: [[CMP2:%.*]] = icmp eq i8 [[V0]], [[V1]] +; CHECK-NEXT: br i1 [[CMP2]], label [[FOR_INC]], label [[CLEANUP:%.*]] +; CHECK: for.inc: +; CHECK-NEXT: [[INC]] = add nuw nsw i64 [[I_015]], 1 +; CHECK-NEXT: [[INCDEC_PTR]] = getelementptr inbounds i8, i8* [[PTR0_013]], i64 1 +; CHECK-NEXT: [[INCDEC_PTR3]] = getelementptr inbounds i8, i8* [[PTR1_014]], i64 1 +; CHECK-NEXT: [[CMP:%.*]] = icmp ult i64 [[INC]], 8 +; CHECK-NEXT: br i1 [[CMP]], label [[FOR_BODY]], label [[CLEANUP]] ; CHECK: cleanup: -; CHECK-NEXT: [[RES:%.*]] = phi i1 [ false, [[PTR_VS_ADD_PTR_EQCMP_UNEQUALBB]] ], [ true, [[PTR_VS_ADD_PTR_EQCMP_EQUALBB]] ] +; CHECK-NEXT: [[RES:%.*]] = phi i1 [ false, [[FOR_BODY]] ], [ true, [[FOR_INC]] ] ; CHECK-NEXT: ret i1 [[RES]] ; entry: @@ -821,17 +908,25 @@ cleanup: ; preds = %for.inc, %for.body define i1 @_Z48combined_iteration_eq_const_size_partial_overlapPKc(i8* %ptr) { ; CHECK-LABEL: @_Z48combined_iteration_eq_const_size_partial_overlapPKc( -; CHECK-NEXT: for.body.bcmpdispatchbb: +; CHECK-NEXT: entry: ; CHECK-NEXT: [[ADD_PTR:%.*]] = getelementptr inbounds i8, i8* [[PTR:%.*]], i64 8 -; CHECK-NEXT: [[MEMCMP:%.*]] = call i32 @memcmp(i8* [[PTR]], i8* [[ADD_PTR]], i64 16) -; CHECK-NEXT: [[PTR_VS_ADD_PTR_EQCMP:%.*]] = icmp eq i32 [[MEMCMP]], 0 -; CHECK-NEXT: br i1 [[PTR_VS_ADD_PTR_EQCMP]], label [[PTR_VS_ADD_PTR_EQCMP_EQUALBB:%.*]], label [[PTR_VS_ADD_PTR_EQCMP_UNEQUALBB:%.*]] -; CHECK: ptr.vs.add.ptr.eqcmp.equalbb: -; CHECK-NEXT: br label [[CLEANUP:%.*]] -; CHECK: ptr.vs.add.ptr.eqcmp.unequalbb: -; CHECK-NEXT: br label [[CLEANUP]] +; CHECK-NEXT: br label [[FOR_BODY:%.*]] +; CHECK: for.body: +; CHECK-NEXT: [[I_015:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[INC:%.*]], [[FOR_INC:%.*]] ] +; CHECK-NEXT: [[PTR1_014:%.*]] = phi i8* [ [[ADD_PTR]], [[ENTRY]] ], [ [[INCDEC_PTR3:%.*]], [[FOR_INC]] ] +; CHECK-NEXT: [[PTR0_013:%.*]] = phi i8* [ [[PTR]], [[ENTRY]] ], [ [[INCDEC_PTR:%.*]], [[FOR_INC]] ] +; CHECK-NEXT: [[V0:%.*]] = load i8, i8* [[PTR0_013]] +; CHECK-NEXT: [[V1:%.*]] = load i8, i8* [[PTR1_014]] +; CHECK-NEXT: [[CMP2:%.*]] = icmp eq i8 [[V0]], [[V1]] +; CHECK-NEXT: br i1 [[CMP2]], label [[FOR_INC]], label [[CLEANUP:%.*]] +; CHECK: for.inc: +; CHECK-NEXT: [[INC]] = add nuw nsw i64 [[I_015]], 1 +; CHECK-NEXT: [[INCDEC_PTR]] = getelementptr inbounds i8, i8* [[PTR0_013]], i64 1 +; CHECK-NEXT: [[INCDEC_PTR3]] = getelementptr inbounds i8, i8* [[PTR1_014]], i64 1 +; CHECK-NEXT: [[CMP:%.*]] = icmp ult i64 [[INC]], 16 +; CHECK-NEXT: br i1 [[CMP]], label [[FOR_BODY]], label [[CLEANUP]] ; CHECK: cleanup: -; CHECK-NEXT: [[RES:%.*]] = phi i1 [ false, [[PTR_VS_ADD_PTR_EQCMP_UNEQUALBB]] ], [ true, [[PTR_VS_ADD_PTR_EQCMP_EQUALBB]] ] +; CHECK-NEXT: [[RES:%.*]] = phi i1 [ false, [[FOR_BODY]] ], [ true, [[FOR_INC]] ] ; CHECK-NEXT: ret i1 [[RES]] ; entry: @@ -861,16 +956,24 @@ cleanup: ; preds = %for.inc, %for.body define i1 @_Z48combined_iteration_eq_const_size_overlap_unknownPKcS0_(i8* %ptr0, i8* %ptr1) { ; CHECK-LABEL: @_Z48combined_iteration_eq_const_size_overlap_unknownPKcS0_( -; CHECK-NEXT: for.body.bcmpdispatchbb: -; CHECK-NEXT: [[MEMCMP:%.*]] = call i32 @memcmp(i8* [[PTR0:%.*]], i8* [[PTR1:%.*]], i64 8) -; CHECK-NEXT: [[PTR0_VS_PTR1_EQCMP:%.*]] = icmp eq i32 [[MEMCMP]], 0 -; CHECK-NEXT: br i1 [[PTR0_VS_PTR1_EQCMP]], label [[PTR0_VS_PTR1_EQCMP_EQUALBB:%.*]], label [[PTR0_VS_PTR1_EQCMP_UNEQUALBB:%.*]] -; CHECK: ptr0.vs.ptr1.eqcmp.equalbb: -; CHECK-NEXT: br label [[CLEANUP:%.*]] -; CHECK: ptr0.vs.ptr1.eqcmp.unequalbb: -; CHECK-NEXT: br label [[CLEANUP]] +; CHECK-NEXT: entry: +; CHECK-NEXT: br label [[FOR_BODY:%.*]] +; CHECK: for.body: +; CHECK-NEXT: [[I_010:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[INC:%.*]], [[FOR_INC:%.*]] ] +; CHECK-NEXT: [[PTR1_ADDR_09:%.*]] = phi i8* [ [[PTR1:%.*]], [[ENTRY]] ], [ [[INCDEC_PTR3:%.*]], [[FOR_INC]] ] +; CHECK-NEXT: [[PTR0_ADDR_08:%.*]] = phi i8* [ [[PTR0:%.*]], [[ENTRY]] ], [ [[INCDEC_PTR:%.*]], [[FOR_INC]] ] +; CHECK-NEXT: [[V0:%.*]] = load i8, i8* [[PTR0_ADDR_08]] +; CHECK-NEXT: [[V1:%.*]] = load i8, i8* [[PTR1_ADDR_09]] +; CHECK-NEXT: [[CMP2:%.*]] = icmp eq i8 [[V0]], [[V1]] +; CHECK-NEXT: br i1 [[CMP2]], label [[FOR_INC]], label [[CLEANUP:%.*]] +; CHECK: for.inc: +; CHECK-NEXT: [[INC]] = add nuw nsw i64 [[I_010]], 1 +; CHECK-NEXT: [[INCDEC_PTR]] = getelementptr inbounds i8, i8* [[PTR0_ADDR_08]], i64 1 +; CHECK-NEXT: [[INCDEC_PTR3]] = getelementptr inbounds i8, i8* [[PTR1_ADDR_09]], i64 1 +; CHECK-NEXT: [[CMP:%.*]] = icmp ult i64 [[INC]], 8 +; CHECK-NEXT: br i1 [[CMP]], label [[FOR_BODY]], label [[CLEANUP]] ; CHECK: cleanup: -; CHECK-NEXT: [[RES:%.*]] = phi i1 [ false, [[PTR0_VS_PTR1_EQCMP_UNEQUALBB]] ], [ true, [[PTR0_VS_PTR1_EQCMP_EQUALBB]] ] +; CHECK-NEXT: [[RES:%.*]] = phi i1 [ false, [[FOR_BODY]] ], [ true, [[FOR_INC]] ] ; CHECK-NEXT: ret i1 [[RES]] ; entry: @@ -900,19 +1003,27 @@ cleanup: ; preds = %for.inc, %for.body define i1 @_Z46combined_iteration_eq_variable_size_no_overlapPKcm(i8* %ptr, i64 %count) { ; CHECK-LABEL: @_Z46combined_iteration_eq_variable_size_no_overlapPKcm( ; CHECK-NEXT: entry: -; CHECK-NEXT: [[CMP14:%.*]] = icmp eq i64 [[COUNT_BYTECOUNT:%.*]], 0 -; CHECK-NEXT: br i1 [[CMP14]], label [[CLEANUP:%.*]], label [[FOR_BODY_BCMPDISPATCHBB:%.*]] -; CHECK: for.body.bcmpdispatchbb: -; CHECK-NEXT: [[ADD_PTR:%.*]] = getelementptr inbounds i8, i8* [[PTR:%.*]], i64 [[COUNT_BYTECOUNT]] -; CHECK-NEXT: [[MEMCMP:%.*]] = call i32 @memcmp(i8* [[PTR]], i8* [[ADD_PTR]], i64 [[COUNT_BYTECOUNT]]) -; CHECK-NEXT: [[PTR_VS_ADD_PTR_EQCMP:%.*]] = icmp eq i32 [[MEMCMP]], 0 -; CHECK-NEXT: br i1 [[PTR_VS_ADD_PTR_EQCMP]], label [[PTR_VS_ADD_PTR_EQCMP_EQUALBB:%.*]], label [[PTR_VS_ADD_PTR_EQCMP_UNEQUALBB:%.*]] -; CHECK: ptr.vs.add.ptr.eqcmp.equalbb: -; CHECK-NEXT: br label [[CLEANUP_LOOPEXIT:%.*]] -; CHECK: ptr.vs.add.ptr.eqcmp.unequalbb: -; CHECK-NEXT: br label [[CLEANUP_LOOPEXIT]] +; CHECK-NEXT: [[CMP14:%.*]] = icmp eq i64 [[COUNT:%.*]], 0 +; CHECK-NEXT: br i1 [[CMP14]], label [[CLEANUP:%.*]], label [[FOR_BODY_PREHEADER:%.*]] +; CHECK: for.body.preheader: +; CHECK-NEXT: [[ADD_PTR:%.*]] = getelementptr inbounds i8, i8* [[PTR:%.*]], i64 [[COUNT]] +; CHECK-NEXT: br label [[FOR_BODY:%.*]] +; CHECK: for.body: +; CHECK-NEXT: [[I_017:%.*]] = phi i64 [ [[INC:%.*]], [[FOR_INC:%.*]] ], [ 0, [[FOR_BODY_PREHEADER]] ] +; CHECK-NEXT: [[PTR1_016:%.*]] = phi i8* [ [[INCDEC_PTR3:%.*]], [[FOR_INC]] ], [ [[ADD_PTR]], [[FOR_BODY_PREHEADER]] ] +; CHECK-NEXT: [[PTR0_015:%.*]] = phi i8* [ [[INCDEC_PTR:%.*]], [[FOR_INC]] ], [ [[PTR]], [[FOR_BODY_PREHEADER]] ] +; CHECK-NEXT: [[V0:%.*]] = load i8, i8* [[PTR0_015]] +; CHECK-NEXT: [[V1:%.*]] = load i8, i8* [[PTR1_016]] +; CHECK-NEXT: [[CMP2:%.*]] = icmp eq i8 [[V0]], [[V1]] +; CHECK-NEXT: br i1 [[CMP2]], label [[FOR_INC]], label [[CLEANUP_LOOPEXIT:%.*]] +; CHECK: for.inc: +; CHECK-NEXT: [[INC]] = add nuw i64 [[I_017]], 1 +; CHECK-NEXT: [[INCDEC_PTR]] = getelementptr inbounds i8, i8* [[PTR0_015]], i64 1 +; CHECK-NEXT: [[INCDEC_PTR3]] = getelementptr inbounds i8, i8* [[PTR1_016]], i64 1 +; CHECK-NEXT: [[CMP:%.*]] = icmp ult i64 [[INC]], [[COUNT]] +; CHECK-NEXT: br i1 [[CMP]], label [[FOR_BODY]], label [[CLEANUP_LOOPEXIT]] ; CHECK: cleanup.loopexit: -; CHECK-NEXT: [[RES_PH:%.*]] = phi i1 [ false, [[PTR_VS_ADD_PTR_EQCMP_UNEQUALBB]] ], [ true, [[PTR_VS_ADD_PTR_EQCMP_EQUALBB]] ] +; CHECK-NEXT: [[RES_PH:%.*]] = phi i1 [ false, [[FOR_BODY]] ], [ true, [[FOR_INC]] ] ; CHECK-NEXT: br label [[CLEANUP]] ; CHECK: cleanup: ; CHECK-NEXT: [[RES:%.*]] = phi i1 [ true, [[ENTRY:%.*]] ], [ [[RES_PH]], [[CLEANUP_LOOPEXIT]] ] @@ -950,20 +1061,28 @@ cleanup: ; preds = %for.body, %for.inc, define i1 @_Z51combined_iteration_eq_variable_size_partial_overlapPKcm(i8* %ptr, i64 %count) { ; CHECK-LABEL: @_Z51combined_iteration_eq_variable_size_partial_overlapPKcm( ; CHECK-NEXT: entry: -; CHECK-NEXT: [[MUL_BYTECOUNT:%.*]] = shl i64 [[COUNT:%.*]], 1 -; CHECK-NEXT: [[CMP14:%.*]] = icmp eq i64 [[MUL_BYTECOUNT]], 0 -; CHECK-NEXT: br i1 [[CMP14]], label [[CLEANUP:%.*]], label [[FOR_BODY_BCMPDISPATCHBB:%.*]] -; CHECK: for.body.bcmpdispatchbb: +; CHECK-NEXT: [[MUL:%.*]] = shl i64 [[COUNT:%.*]], 1 +; CHECK-NEXT: [[CMP14:%.*]] = icmp eq i64 [[MUL]], 0 +; CHECK-NEXT: br i1 [[CMP14]], label [[CLEANUP:%.*]], label [[FOR_BODY_PREHEADER:%.*]] +; CHECK: for.body.preheader: ; CHECK-NEXT: [[ADD_PTR:%.*]] = getelementptr inbounds i8, i8* [[PTR:%.*]], i64 [[COUNT]] -; CHECK-NEXT: [[MEMCMP:%.*]] = call i32 @memcmp(i8* [[PTR]], i8* [[ADD_PTR]], i64 [[MUL_BYTECOUNT]]) -; CHECK-NEXT: [[PTR_VS_ADD_PTR_EQCMP:%.*]] = icmp eq i32 [[MEMCMP]], 0 -; CHECK-NEXT: br i1 [[PTR_VS_ADD_PTR_EQCMP]], label [[PTR_VS_ADD_PTR_EQCMP_EQUALBB:%.*]], label [[PTR_VS_ADD_PTR_EQCMP_UNEQUALBB:%.*]] -; CHECK: ptr.vs.add.ptr.eqcmp.equalbb: -; CHECK-NEXT: br label [[CLEANUP_LOOPEXIT:%.*]] -; CHECK: ptr.vs.add.ptr.eqcmp.unequalbb: -; CHECK-NEXT: br label [[CLEANUP_LOOPEXIT]] +; CHECK-NEXT: br label [[FOR_BODY:%.*]] +; CHECK: for.body: +; CHECK-NEXT: [[I_017:%.*]] = phi i64 [ [[INC:%.*]], [[FOR_INC:%.*]] ], [ 0, [[FOR_BODY_PREHEADER]] ] +; CHECK-NEXT: [[PTR1_016:%.*]] = phi i8* [ [[INCDEC_PTR3:%.*]], [[FOR_INC]] ], [ [[ADD_PTR]], [[FOR_BODY_PREHEADER]] ] +; CHECK-NEXT: [[PTR0_015:%.*]] = phi i8* [ [[INCDEC_PTR:%.*]], [[FOR_INC]] ], [ [[PTR]], [[FOR_BODY_PREHEADER]] ] +; CHECK-NEXT: [[V0:%.*]] = load i8, i8* [[PTR0_015]] +; CHECK-NEXT: [[V1:%.*]] = load i8, i8* [[PTR1_016]] +; CHECK-NEXT: [[CMP2:%.*]] = icmp eq i8 [[V0]], [[V1]] +; CHECK-NEXT: br i1 [[CMP2]], label [[FOR_INC]], label [[CLEANUP_LOOPEXIT:%.*]] +; CHECK: for.inc: +; CHECK-NEXT: [[INC]] = add nuw i64 [[I_017]], 1 +; CHECK-NEXT: [[INCDEC_PTR]] = getelementptr inbounds i8, i8* [[PTR0_015]], i64 1 +; CHECK-NEXT: [[INCDEC_PTR3]] = getelementptr inbounds i8, i8* [[PTR1_016]], i64 1 +; CHECK-NEXT: [[CMP:%.*]] = icmp ult i64 [[INC]], [[MUL]] +; CHECK-NEXT: br i1 [[CMP]], label [[FOR_BODY]], label [[CLEANUP_LOOPEXIT]] ; CHECK: cleanup.loopexit: -; CHECK-NEXT: [[RES_PH:%.*]] = phi i1 [ false, [[PTR_VS_ADD_PTR_EQCMP_UNEQUALBB]] ], [ true, [[PTR_VS_ADD_PTR_EQCMP_EQUALBB]] ] +; CHECK-NEXT: [[RES_PH:%.*]] = phi i1 [ false, [[FOR_BODY]] ], [ true, [[FOR_INC]] ] ; CHECK-NEXT: br label [[CLEANUP]] ; CHECK: cleanup: ; CHECK-NEXT: [[RES:%.*]] = phi i1 [ true, [[ENTRY:%.*]] ], [ [[RES_PH]], [[CLEANUP_LOOPEXIT]] ] @@ -1002,18 +1121,26 @@ cleanup: ; preds = %for.body, %for.inc, define i1 @_Z51combined_iteration_eq_variable_size_overlap_unknownPKcS0_m(i8* %ptr0, i8* %ptr1, i64 %count) { ; CHECK-LABEL: @_Z51combined_iteration_eq_variable_size_overlap_unknownPKcS0_m( ; CHECK-NEXT: entry: -; CHECK-NEXT: [[CMP8:%.*]] = icmp eq i64 [[COUNT_BYTECOUNT:%.*]], 0 -; CHECK-NEXT: br i1 [[CMP8]], label [[CLEANUP:%.*]], label [[FOR_BODY_BCMPDISPATCHBB:%.*]] -; CHECK: for.body.bcmpdispatchbb: -; CHECK-NEXT: [[MEMCMP:%.*]] = call i32 @memcmp(i8* [[PTR0:%.*]], i8* [[PTR1:%.*]], i64 [[COUNT_BYTECOUNT]]) -; CHECK-NEXT: [[PTR0_VS_PTR1_EQCMP:%.*]] = icmp eq i32 [[MEMCMP]], 0 -; CHECK-NEXT: br i1 [[PTR0_VS_PTR1_EQCMP]], label [[PTR0_VS_PTR1_EQCMP_EQUALBB:%.*]], label [[PTR0_VS_PTR1_EQCMP_UNEQUALBB:%.*]] -; CHECK: ptr0.vs.ptr1.eqcmp.equalbb: -; CHECK-NEXT: br label [[CLEANUP_LOOPEXIT:%.*]] -; CHECK: ptr0.vs.ptr1.eqcmp.unequalbb: -; CHECK-NEXT: br label [[CLEANUP_LOOPEXIT]] +; CHECK-NEXT: [[CMP8:%.*]] = icmp eq i64 [[COUNT:%.*]], 0 +; CHECK-NEXT: br i1 [[CMP8]], label [[CLEANUP:%.*]], label [[FOR_BODY_PREHEADER:%.*]] +; CHECK: for.body.preheader: +; CHECK-NEXT: br label [[FOR_BODY:%.*]] +; CHECK: for.body: +; CHECK-NEXT: [[I_011:%.*]] = phi i64 [ [[INC:%.*]], [[FOR_INC:%.*]] ], [ 0, [[FOR_BODY_PREHEADER]] ] +; CHECK-NEXT: [[PTR1_ADDR_010:%.*]] = phi i8* [ [[INCDEC_PTR3:%.*]], [[FOR_INC]] ], [ [[PTR1:%.*]], [[FOR_BODY_PREHEADER]] ] +; CHECK-NEXT: [[PTR0_ADDR_09:%.*]] = phi i8* [ [[INCDEC_PTR:%.*]], [[FOR_INC]] ], [ [[PTR0:%.*]], [[FOR_BODY_PREHEADER]] ] +; CHECK-NEXT: [[V0:%.*]] = load i8, i8* [[PTR0_ADDR_09]] +; CHECK-NEXT: [[V1:%.*]] = load i8, i8* [[PTR1_ADDR_010]] +; CHECK-NEXT: [[CMP2:%.*]] = icmp eq i8 [[V0]], [[V1]] +; CHECK-NEXT: br i1 [[CMP2]], label [[FOR_INC]], label [[CLEANUP_LOOPEXIT:%.*]] +; CHECK: for.inc: +; CHECK-NEXT: [[INC]] = add nuw i64 [[I_011]], 1 +; CHECK-NEXT: [[INCDEC_PTR]] = getelementptr inbounds i8, i8* [[PTR0_ADDR_09]], i64 1 +; CHECK-NEXT: [[INCDEC_PTR3]] = getelementptr inbounds i8, i8* [[PTR1_ADDR_010]], i64 1 +; CHECK-NEXT: [[CMP:%.*]] = icmp ult i64 [[INC]], [[COUNT]] +; CHECK-NEXT: br i1 [[CMP]], label [[FOR_BODY]], label [[CLEANUP_LOOPEXIT]] ; CHECK: cleanup.loopexit: -; CHECK-NEXT: [[RES_PH:%.*]] = phi i1 [ false, [[PTR0_VS_PTR1_EQCMP_UNEQUALBB]] ], [ true, [[PTR0_VS_PTR1_EQCMP_EQUALBB]] ] +; CHECK-NEXT: [[RES_PH:%.*]] = phi i1 [ false, [[FOR_BODY]] ], [ true, [[FOR_INC]] ] ; CHECK-NEXT: br label [[CLEANUP]] ; CHECK: cleanup: ; CHECK-NEXT: [[RES:%.*]] = phi i1 [ true, [[ENTRY:%.*]] ], [ [[RES_PH]], [[CLEANUP_LOOPEXIT]] ] @@ -1047,19 +1174,25 @@ cleanup: ; preds = %for.body, %for.inc, define i1 @_Z55negated_pointer_iteration_variable_size_overlap_unknownPKcS0_m(i8* %ptr0, i8* %ptr1, i64 %count) { ; CHECK-LABEL: @_Z55negated_pointer_iteration_variable_size_overlap_unknownPKcS0_m( ; CHECK-NEXT: entry: -; CHECK-NEXT: [[ADD_PTR:%.*]] = getelementptr inbounds i8, i8* [[PTR0:%.*]], i64 [[COUNT_BYTECOUNT:%.*]] -; CHECK-NEXT: [[CMP5_I_I:%.*]] = icmp eq i64 [[COUNT_BYTECOUNT]], 0 -; CHECK-NEXT: br i1 [[CMP5_I_I]], label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT:%.*]], label [[FOR_BODY_I_I_BCMPDISPATCHBB:%.*]] -; CHECK: for.body.i.i.bcmpdispatchbb: -; CHECK-NEXT: [[MEMCMP:%.*]] = call i32 @memcmp(i8* [[PTR0]], i8* [[PTR1:%.*]], i64 [[COUNT_BYTECOUNT]]) -; CHECK-NEXT: [[PTR0_VS_PTR1_EQCMP:%.*]] = icmp eq i32 [[MEMCMP]], 0 -; CHECK-NEXT: br i1 [[PTR0_VS_PTR1_EQCMP]], label [[PTR0_VS_PTR1_EQCMP_EQUALBB:%.*]], label [[PTR0_VS_PTR1_EQCMP_UNEQUALBB:%.*]] -; CHECK: ptr0.vs.ptr1.eqcmp.equalbb: -; CHECK-NEXT: br label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT_LOOPEXIT:%.*]] -; CHECK: ptr0.vs.ptr1.eqcmp.unequalbb: -; CHECK-NEXT: br label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT_LOOPEXIT]] +; CHECK-NEXT: [[ADD_PTR:%.*]] = getelementptr inbounds i8, i8* [[PTR0:%.*]], i64 [[COUNT:%.*]] +; CHECK-NEXT: [[CMP5_I_I:%.*]] = icmp eq i64 [[COUNT]], 0 +; CHECK-NEXT: br i1 [[CMP5_I_I]], label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT:%.*]], label [[FOR_BODY_I_I_PREHEADER:%.*]] +; CHECK: for.body.i.i.preheader: +; CHECK-NEXT: br label [[FOR_BODY_I_I:%.*]] +; CHECK: for.body.i.i: +; CHECK-NEXT: [[__FIRST2_ADDR_07_I_I:%.*]] = phi i8* [ [[INCDEC_PTR1_I_I:%.*]], [[FOR_INC_I_I:%.*]] ], [ [[PTR1:%.*]], [[FOR_BODY_I_I_PREHEADER]] ] +; CHECK-NEXT: [[__FIRST1_ADDR_06_I_I:%.*]] = phi i8* [ [[INCDEC_PTR_I_I:%.*]], [[FOR_INC_I_I]] ], [ [[PTR0]], [[FOR_BODY_I_I_PREHEADER]] ] +; CHECK-NEXT: [[T0:%.*]] = load i8, i8* [[__FIRST1_ADDR_06_I_I]] +; CHECK-NEXT: [[T1:%.*]] = load i8, i8* [[__FIRST2_ADDR_07_I_I]] +; CHECK-NEXT: [[CMP_I_I_I:%.*]] = icmp eq i8 [[T0]], [[T1]] +; CHECK-NEXT: br i1 [[CMP_I_I_I]], label [[FOR_INC_I_I]], label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT_LOOPEXIT:%.*]] +; CHECK: for.inc.i.i: +; CHECK-NEXT: [[INCDEC_PTR_I_I]] = getelementptr inbounds i8, i8* [[__FIRST1_ADDR_06_I_I]], i64 1 +; CHECK-NEXT: [[INCDEC_PTR1_I_I]] = getelementptr inbounds i8, i8* [[__FIRST2_ADDR_07_I_I]], i64 1 +; CHECK-NEXT: [[CMP_I_I:%.*]] = icmp eq i8* [[INCDEC_PTR_I_I]], [[ADD_PTR]] +; CHECK-NEXT: br i1 [[CMP_I_I]], label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT_LOOPEXIT]], label [[FOR_BODY_I_I]] ; CHECK: _ZNSt3__15equalIPKcS2_EEbT_S3_T0_.exit.loopexit: -; CHECK-NEXT: [[RETVAL_0_I_I_PH:%.*]] = phi i1 [ true, [[PTR0_VS_PTR1_EQCMP_UNEQUALBB]] ], [ false, [[PTR0_VS_PTR1_EQCMP_EQUALBB]] ] +; CHECK-NEXT: [[RETVAL_0_I_I_PH:%.*]] = phi i1 [ true, [[FOR_BODY_I_I]] ], [ false, [[FOR_INC_I_I]] ] ; CHECK-NEXT: br label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT]] ; CHECK: _ZNSt3__15equalIPKcS2_EEbT_S3_T0_.exit: ; CHECK-NEXT: [[RETVAL_0_I_I:%.*]] = phi i1 [ false, [[ENTRY:%.*]] ], [ [[RETVAL_0_I_I_PH]], [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT_LOOPEXIT]] ] @@ -1094,24 +1227,23 @@ define i1 @_Z55integer_pointer_iteration_variable_size_overlap_unknownPKiS0_m(i3 ; CHECK-NEXT: entry: ; CHECK-NEXT: [[ADD_PTR:%.*]] = getelementptr inbounds i32, i32* [[PTR0:%.*]], i64 [[COUNT:%.*]] ; CHECK-NEXT: [[CMP5_I_I:%.*]] = icmp eq i64 [[COUNT]], 0 -; CHECK-NEXT: br i1 [[CMP5_I_I]], label [[_ZNST3__15EQUALIPKIS2_EEBT_S3_T0__EXIT:%.*]], label [[FOR_BODY_I_I_BCMPDISPATCHBB:%.*]] -; CHECK: for.body.i.i.bcmpdispatchbb: -; CHECK-NEXT: [[TMP0:%.*]] = shl nsw i64 [[COUNT]], 2 -; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[TMP0]], -4 -; CHECK-NEXT: [[TMP2:%.*]] = lshr i64 [[TMP1]], 2 -; CHECK-NEXT: [[TMP3:%.*]] = shl nuw i64 [[TMP2]], 2 -; CHECK-NEXT: [[DOTBYTECOUNT:%.*]] = add i64 [[TMP3]], 4 -; CHECK-NEXT: [[CSTR:%.*]] = bitcast i32* [[PTR0]] to i8* -; CHECK-NEXT: [[CSTR1:%.*]] = bitcast i32* [[PTR1:%.*]] to i8* -; CHECK-NEXT: [[MEMCMP:%.*]] = call i32 @memcmp(i8* [[CSTR]], i8* [[CSTR1]], i64 [[DOTBYTECOUNT]]) -; CHECK-NEXT: [[PTR0_VS_PTR1_EQCMP:%.*]] = icmp eq i32 [[MEMCMP]], 0 -; CHECK-NEXT: br i1 [[PTR0_VS_PTR1_EQCMP]], label [[PTR0_VS_PTR1_EQCMP_EQUALBB:%.*]], label [[PTR0_VS_PTR1_EQCMP_UNEQUALBB:%.*]] -; CHECK: ptr0.vs.ptr1.eqcmp.equalbb: -; CHECK-NEXT: br label [[_ZNST3__15EQUALIPKIS2_EEBT_S3_T0__EXIT_LOOPEXIT:%.*]] -; CHECK: ptr0.vs.ptr1.eqcmp.unequalbb: -; CHECK-NEXT: br label [[_ZNST3__15EQUALIPKIS2_EEBT_S3_T0__EXIT_LOOPEXIT]] +; CHECK-NEXT: br i1 [[CMP5_I_I]], label [[_ZNST3__15EQUALIPKIS2_EEBT_S3_T0__EXIT:%.*]], label [[FOR_BODY_I_I_PREHEADER:%.*]] +; CHECK: for.body.i.i.preheader: +; CHECK-NEXT: br label [[FOR_BODY_I_I:%.*]] +; CHECK: for.body.i.i: +; CHECK-NEXT: [[__FIRST2_ADDR_07_I_I:%.*]] = phi i32* [ [[INCDEC_PTR1_I_I:%.*]], [[FOR_INC_I_I:%.*]] ], [ [[PTR1:%.*]], [[FOR_BODY_I_I_PREHEADER]] ] +; CHECK-NEXT: [[__FIRST1_ADDR_06_I_I:%.*]] = phi i32* [ [[INCDEC_PTR_I_I:%.*]], [[FOR_INC_I_I]] ], [ [[PTR0]], [[FOR_BODY_I_I_PREHEADER]] ] +; CHECK-NEXT: [[T0:%.*]] = load i32, i32* [[__FIRST1_ADDR_06_I_I]] +; CHECK-NEXT: [[T1:%.*]] = load i32, i32* [[__FIRST2_ADDR_07_I_I]] +; CHECK-NEXT: [[CMP_I_I_I:%.*]] = icmp eq i32 [[T0]], [[T1]] +; CHECK-NEXT: br i1 [[CMP_I_I_I]], label [[FOR_INC_I_I]], label [[_ZNST3__15EQUALIPKIS2_EEBT_S3_T0__EXIT_LOOPEXIT:%.*]] +; CHECK: for.inc.i.i: +; CHECK-NEXT: [[INCDEC_PTR_I_I]] = getelementptr inbounds i32, i32* [[__FIRST1_ADDR_06_I_I]], i64 1 +; CHECK-NEXT: [[INCDEC_PTR1_I_I]] = getelementptr inbounds i32, i32* [[__FIRST2_ADDR_07_I_I]], i64 1 +; CHECK-NEXT: [[CMP_I_I:%.*]] = icmp eq i32* [[INCDEC_PTR_I_I]], [[ADD_PTR]] +; CHECK-NEXT: br i1 [[CMP_I_I]], label [[_ZNST3__15EQUALIPKIS2_EEBT_S3_T0__EXIT_LOOPEXIT]], label [[FOR_BODY_I_I]] ; CHECK: _ZNSt3__15equalIPKiS2_EEbT_S3_T0_.exit.loopexit: -; CHECK-NEXT: [[RETVAL_0_I_I_PH:%.*]] = phi i1 [ false, [[PTR0_VS_PTR1_EQCMP_UNEQUALBB]] ], [ true, [[PTR0_VS_PTR1_EQCMP_EQUALBB]] ] +; CHECK-NEXT: [[RETVAL_0_I_I_PH:%.*]] = phi i1 [ false, [[FOR_BODY_I_I]] ], [ true, [[FOR_INC_I_I]] ] ; CHECK-NEXT: br label [[_ZNST3__15EQUALIPKIS2_EEBT_S3_T0__EXIT]] ; CHECK: _ZNSt3__15equalIPKiS2_EEbT_S3_T0_.exit: ; CHECK-NEXT: [[RETVAL_0_I_I:%.*]] = phi i1 [ true, [[ENTRY:%.*]] ], [ [[RETVAL_0_I_I_PH]], [[_ZNST3__15EQUALIPKIS2_EEBT_S3_T0__EXIT_LOOPEXIT]] ] @@ -1145,18 +1277,25 @@ define i1 @_Z21small_index_iterationPKcS0_i(i8* %ptr0, i8* %ptr1, i32 %count) { ; CHECK-LABEL: @_Z21small_index_iterationPKcS0_i( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[CMP8:%.*]] = icmp sgt i32 [[COUNT:%.*]], 0 -; CHECK-NEXT: br i1 [[CMP8]], label [[FOR_BODY_BCMPDISPATCHBB:%.*]], label [[CLEANUP:%.*]] -; CHECK: for.body.bcmpdispatchbb: -; CHECK-NEXT: [[DOTBYTECOUNT:%.*]] = zext i32 [[COUNT]] to i64 -; CHECK-NEXT: [[MEMCMP:%.*]] = call i32 @memcmp(i8* [[PTR0:%.*]], i8* [[PTR1:%.*]], i64 [[DOTBYTECOUNT]]) -; CHECK-NEXT: [[PTR0_VS_PTR1_EQCMP:%.*]] = icmp eq i32 [[MEMCMP]], 0 -; CHECK-NEXT: br i1 [[PTR0_VS_PTR1_EQCMP]], label [[PTR0_VS_PTR1_EQCMP_EQUALBB:%.*]], label [[PTR0_VS_PTR1_EQCMP_UNEQUALBB:%.*]] -; CHECK: ptr0.vs.ptr1.eqcmp.equalbb: -; CHECK-NEXT: br label [[CLEANUP_LOOPEXIT:%.*]] -; CHECK: ptr0.vs.ptr1.eqcmp.unequalbb: -; CHECK-NEXT: br label [[CLEANUP_LOOPEXIT]] +; CHECK-NEXT: br i1 [[CMP8]], label [[FOR_BODY_PREHEADER:%.*]], label [[CLEANUP:%.*]] +; CHECK: for.body.preheader: +; CHECK-NEXT: br label [[FOR_BODY:%.*]] +; CHECK: for.body: +; CHECK-NEXT: [[I_011:%.*]] = phi i32 [ [[INC:%.*]], [[FOR_INC:%.*]] ], [ 0, [[FOR_BODY_PREHEADER]] ] +; CHECK-NEXT: [[PTR1_ADDR_010:%.*]] = phi i8* [ [[INCDEC_PTR3:%.*]], [[FOR_INC]] ], [ [[PTR1:%.*]], [[FOR_BODY_PREHEADER]] ] +; CHECK-NEXT: [[PTR0_ADDR_09:%.*]] = phi i8* [ [[INCDEC_PTR:%.*]], [[FOR_INC]] ], [ [[PTR0:%.*]], [[FOR_BODY_PREHEADER]] ] +; CHECK-NEXT: [[T0:%.*]] = load i8, i8* [[PTR0_ADDR_09]] +; CHECK-NEXT: [[T1:%.*]] = load i8, i8* [[PTR1_ADDR_010]] +; CHECK-NEXT: [[CMP2:%.*]] = icmp eq i8 [[T0]], [[T1]] +; CHECK-NEXT: br i1 [[CMP2]], label [[FOR_INC]], label [[CLEANUP_LOOPEXIT:%.*]] +; CHECK: for.inc: +; CHECK-NEXT: [[INC]] = add nuw nsw i32 [[I_011]], 1 +; CHECK-NEXT: [[INCDEC_PTR]] = getelementptr inbounds i8, i8* [[PTR0_ADDR_09]], i64 1 +; CHECK-NEXT: [[INCDEC_PTR3]] = getelementptr inbounds i8, i8* [[PTR1_ADDR_010]], i64 1 +; CHECK-NEXT: [[CMP:%.*]] = icmp slt i32 [[INC]], [[COUNT]] +; CHECK-NEXT: br i1 [[CMP]], label [[FOR_BODY]], label [[CLEANUP_LOOPEXIT]] ; CHECK: cleanup.loopexit: -; CHECK-NEXT: [[T2_PH:%.*]] = phi i1 [ false, [[PTR0_VS_PTR1_EQCMP_UNEQUALBB]] ], [ true, [[PTR0_VS_PTR1_EQCMP_EQUALBB]] ] +; CHECK-NEXT: [[T2_PH:%.*]] = phi i1 [ false, [[FOR_BODY]] ], [ true, [[FOR_INC]] ] ; CHECK-NEXT: br label [[CLEANUP]] ; CHECK: cleanup: ; CHECK-NEXT: [[T2:%.*]] = phi i1 [ true, [[ENTRY:%.*]] ], [ [[T2_PH]], [[CLEANUP_LOOPEXIT]] ] @@ -1190,22 +1329,24 @@ cleanup: ; preds = %for.body, %for.inc, define i1 @_Z23three_pointer_iterationPKcS0_S0_(i8* %ptr0, i8* %ptr0_end, i8* %ptr1) { ; CHECK-LABEL: @_Z23three_pointer_iterationPKcS0_S0_( ; CHECK-NEXT: entry: -; CHECK-NEXT: [[PTR01:%.*]] = ptrtoint i8* [[PTR0:%.*]] to i64 -; CHECK-NEXT: [[CMP5_I_I:%.*]] = icmp eq i8* [[PTR0]], [[PTR0_END:%.*]] -; CHECK-NEXT: br i1 [[CMP5_I_I]], label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT:%.*]], label [[FOR_BODY_I_I_BCMPDISPATCHBB:%.*]] -; CHECK: for.body.i.i.bcmpdispatchbb: -; CHECK-NEXT: [[TMP0:%.*]] = sub i64 0, [[PTR01]] -; CHECK-NEXT: [[SCEVGEP:%.*]] = getelementptr i8, i8* [[PTR0_END]], i64 [[TMP0]] -; CHECK-NEXT: [[DOTBYTECOUNT:%.*]] = ptrtoint i8* [[SCEVGEP]] to i64 -; CHECK-NEXT: [[MEMCMP:%.*]] = call i32 @memcmp(i8* [[PTR0]], i8* [[PTR1:%.*]], i64 [[DOTBYTECOUNT]]) -; CHECK-NEXT: [[PTR0_VS_PTR1_EQCMP:%.*]] = icmp eq i32 [[MEMCMP]], 0 -; CHECK-NEXT: br i1 [[PTR0_VS_PTR1_EQCMP]], label [[PTR0_VS_PTR1_EQCMP_EQUALBB:%.*]], label [[PTR0_VS_PTR1_EQCMP_UNEQUALBB:%.*]] -; CHECK: ptr0.vs.ptr1.eqcmp.equalbb: -; CHECK-NEXT: br label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT_LOOPEXIT:%.*]] -; CHECK: ptr0.vs.ptr1.eqcmp.unequalbb: -; CHECK-NEXT: br label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT_LOOPEXIT]] +; CHECK-NEXT: [[CMP5_I_I:%.*]] = icmp eq i8* [[PTR0:%.*]], [[PTR0_END:%.*]] +; CHECK-NEXT: br i1 [[CMP5_I_I]], label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT:%.*]], label [[FOR_BODY_I_I_PREHEADER:%.*]] +; CHECK: for.body.i.i.preheader: +; CHECK-NEXT: br label [[FOR_BODY_I_I:%.*]] +; CHECK: for.body.i.i: +; CHECK-NEXT: [[__FIRST2_ADDR_07_I_I:%.*]] = phi i8* [ [[INCDEC_PTR1_I_I:%.*]], [[FOR_INC_I_I:%.*]] ], [ [[PTR1:%.*]], [[FOR_BODY_I_I_PREHEADER]] ] +; CHECK-NEXT: [[__FIRST1_ADDR_06_I_I:%.*]] = phi i8* [ [[INCDEC_PTR_I_I:%.*]], [[FOR_INC_I_I]] ], [ [[PTR0]], [[FOR_BODY_I_I_PREHEADER]] ] +; CHECK-NEXT: [[T0:%.*]] = load i8, i8* [[__FIRST1_ADDR_06_I_I]] +; CHECK-NEXT: [[T1:%.*]] = load i8, i8* [[__FIRST2_ADDR_07_I_I]] +; CHECK-NEXT: [[CMP_I_I_I:%.*]] = icmp eq i8 [[T0]], [[T1]] +; CHECK-NEXT: br i1 [[CMP_I_I_I]], label [[FOR_INC_I_I]], label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT_LOOPEXIT:%.*]] +; CHECK: for.inc.i.i: +; CHECK-NEXT: [[INCDEC_PTR_I_I]] = getelementptr inbounds i8, i8* [[__FIRST1_ADDR_06_I_I]], i64 1 +; CHECK-NEXT: [[INCDEC_PTR1_I_I]] = getelementptr inbounds i8, i8* [[__FIRST2_ADDR_07_I_I]], i64 1 +; CHECK-NEXT: [[CMP_I_I:%.*]] = icmp eq i8* [[INCDEC_PTR_I_I]], [[PTR0_END]] +; CHECK-NEXT: br i1 [[CMP_I_I]], label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT_LOOPEXIT]], label [[FOR_BODY_I_I]] ; CHECK: _ZNSt3__15equalIPKcS2_EEbT_S3_T0_.exit.loopexit: -; CHECK-NEXT: [[RETVAL_0_I_I_PH:%.*]] = phi i1 [ false, [[PTR0_VS_PTR1_EQCMP_UNEQUALBB]] ], [ true, [[PTR0_VS_PTR1_EQCMP_EQUALBB]] ] +; CHECK-NEXT: [[RETVAL_0_I_I_PH:%.*]] = phi i1 [ false, [[FOR_BODY_I_I]] ], [ true, [[FOR_INC_I_I]] ] ; CHECK-NEXT: br label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT]] ; CHECK: _ZNSt3__15equalIPKcS2_EEbT_S3_T0_.exit: ; CHECK-NEXT: [[RETVAL_0_I_I:%.*]] = phi i1 [ true, [[ENTRY:%.*]] ], [ [[RETVAL_0_I_I_PH]], [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT_LOOPEXIT]] ] @@ -1237,19 +1378,25 @@ _ZNSt3__15equalIPKcS2_EEbT_S3_T0_.exit: ; preds = %for.body.i.i, %for. define i32 @_Z17value_propagationPKcS0_mii(i8* %ptr0, i8* %ptr1, i64 %count, i32 %on_equal, i32 %on_unequal) { ; CHECK-LABEL: @_Z17value_propagationPKcS0_mii( ; CHECK-NEXT: entry: -; CHECK-NEXT: [[ADD_PTR:%.*]] = getelementptr inbounds i8, i8* [[PTR0:%.*]], i64 [[COUNT_BYTECOUNT:%.*]] -; CHECK-NEXT: [[CMP5_I_I:%.*]] = icmp eq i64 [[COUNT_BYTECOUNT]], 0 -; CHECK-NEXT: br i1 [[CMP5_I_I]], label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT:%.*]], label [[FOR_BODY_I_I_BCMPDISPATCHBB:%.*]] -; CHECK: for.body.i.i.bcmpdispatchbb: -; CHECK-NEXT: [[MEMCMP:%.*]] = call i32 @memcmp(i8* [[PTR0]], i8* [[PTR1:%.*]], i64 [[COUNT_BYTECOUNT]]) -; CHECK-NEXT: [[PTR0_VS_PTR1_EQCMP:%.*]] = icmp eq i32 [[MEMCMP]], 0 -; CHECK-NEXT: br i1 [[PTR0_VS_PTR1_EQCMP]], label [[PTR0_VS_PTR1_EQCMP_EQUALBB:%.*]], label [[PTR0_VS_PTR1_EQCMP_UNEQUALBB:%.*]] -; CHECK: ptr0.vs.ptr1.eqcmp.equalbb: -; CHECK-NEXT: br label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT_LOOPEXIT:%.*]] -; CHECK: ptr0.vs.ptr1.eqcmp.unequalbb: -; CHECK-NEXT: br label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT_LOOPEXIT]] +; CHECK-NEXT: [[ADD_PTR:%.*]] = getelementptr inbounds i8, i8* [[PTR0:%.*]], i64 [[COUNT:%.*]] +; CHECK-NEXT: [[CMP5_I_I:%.*]] = icmp eq i64 [[COUNT]], 0 +; CHECK-NEXT: br i1 [[CMP5_I_I]], label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT:%.*]], label [[FOR_BODY_I_I_PREHEADER:%.*]] +; CHECK: for.body.i.i.preheader: +; CHECK-NEXT: br label [[FOR_BODY_I_I:%.*]] +; CHECK: for.body.i.i: +; CHECK-NEXT: [[__FIRST2_ADDR_07_I_I:%.*]] = phi i8* [ [[INCDEC_PTR1_I_I:%.*]], [[FOR_INC_I_I:%.*]] ], [ [[PTR1:%.*]], [[FOR_BODY_I_I_PREHEADER]] ] +; CHECK-NEXT: [[__FIRST1_ADDR_06_I_I:%.*]] = phi i8* [ [[INCDEC_PTR_I_I:%.*]], [[FOR_INC_I_I]] ], [ [[PTR0]], [[FOR_BODY_I_I_PREHEADER]] ] +; CHECK-NEXT: [[T0:%.*]] = load i8, i8* [[__FIRST1_ADDR_06_I_I]] +; CHECK-NEXT: [[T1:%.*]] = load i8, i8* [[__FIRST2_ADDR_07_I_I]] +; CHECK-NEXT: [[CMP_I_I_I:%.*]] = icmp eq i8 [[T0]], [[T1]] +; CHECK-NEXT: br i1 [[CMP_I_I_I]], label [[FOR_INC_I_I]], label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT_LOOPEXIT:%.*]] +; CHECK: for.inc.i.i: +; CHECK-NEXT: [[INCDEC_PTR_I_I]] = getelementptr inbounds i8, i8* [[__FIRST1_ADDR_06_I_I]], i64 1 +; CHECK-NEXT: [[INCDEC_PTR1_I_I]] = getelementptr inbounds i8, i8* [[__FIRST2_ADDR_07_I_I]], i64 1 +; CHECK-NEXT: [[CMP_I_I:%.*]] = icmp eq i8* [[INCDEC_PTR_I_I]], [[ADD_PTR]] +; CHECK-NEXT: br i1 [[CMP_I_I]], label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT_LOOPEXIT]], label [[FOR_BODY_I_I]] ; CHECK: _ZNSt3__15equalIPKcS2_EEbT_S3_T0_.exit.loopexit: -; CHECK-NEXT: [[T2_PH:%.*]] = phi i32 [ [[ON_UNEQUAL:%.*]], [[PTR0_VS_PTR1_EQCMP_UNEQUALBB]] ], [ [[ON_EQUAL:%.*]], [[PTR0_VS_PTR1_EQCMP_EQUALBB]] ] +; CHECK-NEXT: [[T2_PH:%.*]] = phi i32 [ [[ON_UNEQUAL:%.*]], [[FOR_BODY_I_I]] ], [ [[ON_EQUAL:%.*]], [[FOR_INC_I_I]] ] ; CHECK-NEXT: br label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT]] ; CHECK: _ZNSt3__15equalIPKcS2_EEbT_S3_T0_.exit: ; CHECK-NEXT: [[T2:%.*]] = phi i32 [ [[ON_EQUAL]], [[ENTRY:%.*]] ], [ [[T2_PH]], [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT_LOOPEXIT]] ] @@ -1282,17 +1429,23 @@ _ZNSt3__15equalIPKcS2_EEbT_S3_T0_.exit: ; preds = %for.inc.i.i, %for.b define void @_Z20multiple_exit_blocksPKcS0_m(i8* %ptr0, i8* %ptr1, i64 %count) { ; CHECK-LABEL: @_Z20multiple_exit_blocksPKcS0_m( ; CHECK-NEXT: entry: -; CHECK-NEXT: [[ADD_PTR:%.*]] = getelementptr inbounds i8, i8* [[PTR0:%.*]], i64 [[COUNT_BYTECOUNT:%.*]] -; CHECK-NEXT: [[CMP5_I_I:%.*]] = icmp eq i64 [[COUNT_BYTECOUNT]], 0 -; CHECK-NEXT: br i1 [[CMP5_I_I]], label [[IF_END:%.*]], label [[FOR_BODY_I_I_BCMPDISPATCHBB:%.*]] -; CHECK: for.body.i.i.bcmpdispatchbb: -; CHECK-NEXT: [[MEMCMP:%.*]] = call i32 @memcmp(i8* [[PTR0]], i8* [[PTR1:%.*]], i64 [[COUNT_BYTECOUNT]]) -; CHECK-NEXT: [[PTR0_VS_PTR1_EQCMP:%.*]] = icmp eq i32 [[MEMCMP]], 0 -; CHECK-NEXT: br i1 [[PTR0_VS_PTR1_EQCMP]], label [[PTR0_VS_PTR1_EQCMP_EQUALBB:%.*]], label [[PTR0_VS_PTR1_EQCMP_UNEQUALBB:%.*]] -; CHECK: ptr0.vs.ptr1.eqcmp.equalbb: -; CHECK-NEXT: br label [[IF_END_LOOPEXIT:%.*]] -; CHECK: ptr0.vs.ptr1.eqcmp.unequalbb: -; CHECK-NEXT: br label [[IF_THEN:%.*]] +; CHECK-NEXT: [[ADD_PTR:%.*]] = getelementptr inbounds i8, i8* [[PTR0:%.*]], i64 [[COUNT:%.*]] +; CHECK-NEXT: [[CMP5_I_I:%.*]] = icmp eq i64 [[COUNT]], 0 +; CHECK-NEXT: br i1 [[CMP5_I_I]], label [[IF_END:%.*]], label [[FOR_BODY_I_I_PREHEADER:%.*]] +; CHECK: for.body.i.i.preheader: +; CHECK-NEXT: br label [[FOR_BODY_I_I:%.*]] +; CHECK: for.body.i.i: +; CHECK-NEXT: [[__FIRST2_ADDR_07_I_I:%.*]] = phi i8* [ [[INCDEC_PTR1_I_I:%.*]], [[FOR_INC_I_I:%.*]] ], [ [[PTR1:%.*]], [[FOR_BODY_I_I_PREHEADER]] ] +; CHECK-NEXT: [[__FIRST1_ADDR_06_I_I:%.*]] = phi i8* [ [[INCDEC_PTR_I_I:%.*]], [[FOR_INC_I_I]] ], [ [[PTR0]], [[FOR_BODY_I_I_PREHEADER]] ] +; CHECK-NEXT: [[T0:%.*]] = load i8, i8* [[__FIRST1_ADDR_06_I_I]] +; CHECK-NEXT: [[T1:%.*]] = load i8, i8* [[__FIRST2_ADDR_07_I_I]] +; CHECK-NEXT: [[CMP_I_I_I:%.*]] = icmp eq i8 [[T0]], [[T1]] +; CHECK-NEXT: br i1 [[CMP_I_I_I]], label [[FOR_INC_I_I]], label [[IF_THEN:%.*]] +; CHECK: for.inc.i.i: +; CHECK-NEXT: [[INCDEC_PTR_I_I]] = getelementptr inbounds i8, i8* [[__FIRST1_ADDR_06_I_I]], i64 1 +; CHECK-NEXT: [[INCDEC_PTR1_I_I]] = getelementptr inbounds i8, i8* [[__FIRST2_ADDR_07_I_I]], i64 1 +; CHECK-NEXT: [[CMP_I_I:%.*]] = icmp eq i8* [[INCDEC_PTR_I_I]], [[ADD_PTR]] +; CHECK-NEXT: br i1 [[CMP_I_I]], label [[IF_END_LOOPEXIT:%.*]], label [[FOR_BODY_I_I]] ; CHECK: if.then: ; CHECK-NEXT: tail call void @_Z17callee_on_unequalv() ; CHECK-NEXT: br label [[RETURN:%.*]] @@ -1340,20 +1493,26 @@ declare void @_Z17callee_on_successv() define void @_Z13multiple_phisPKcS0_mS0_S0_S0_S0_PS0_S1_(i8* %ptr0, i8* %ptr1, i64 %count, i8* %v0, i8* %v1, i8* %v2, i8* %v3, i8** %out0, i8** %out1) { ; CHECK-LABEL: @_Z13multiple_phisPKcS0_mS0_S0_S0_S0_PS0_S1_( ; CHECK-NEXT: entry: -; CHECK-NEXT: [[ADD_PTR:%.*]] = getelementptr inbounds i8, i8* [[PTR0:%.*]], i64 [[COUNT_BYTECOUNT:%.*]] -; CHECK-NEXT: [[CMP5_I_I:%.*]] = icmp eq i64 [[COUNT_BYTECOUNT]], 0 -; CHECK-NEXT: br i1 [[CMP5_I_I]], label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT:%.*]], label [[FOR_BODY_I_I_BCMPDISPATCHBB:%.*]] -; CHECK: for.body.i.i.bcmpdispatchbb: -; CHECK-NEXT: [[MEMCMP:%.*]] = call i32 @memcmp(i8* [[PTR0]], i8* [[PTR1:%.*]], i64 [[COUNT_BYTECOUNT]]) -; CHECK-NEXT: [[PTR0_VS_PTR1_EQCMP:%.*]] = icmp eq i32 [[MEMCMP]], 0 -; CHECK-NEXT: br i1 [[PTR0_VS_PTR1_EQCMP]], label [[PTR0_VS_PTR1_EQCMP_EQUALBB:%.*]], label [[PTR0_VS_PTR1_EQCMP_UNEQUALBB:%.*]] -; CHECK: ptr0.vs.ptr1.eqcmp.equalbb: -; CHECK-NEXT: br label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT_LOOPEXIT:%.*]] -; CHECK: ptr0.vs.ptr1.eqcmp.unequalbb: -; CHECK-NEXT: br label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT_LOOPEXIT]] +; CHECK-NEXT: [[ADD_PTR:%.*]] = getelementptr inbounds i8, i8* [[PTR0:%.*]], i64 [[COUNT:%.*]] +; CHECK-NEXT: [[CMP5_I_I:%.*]] = icmp eq i64 [[COUNT]], 0 +; CHECK-NEXT: br i1 [[CMP5_I_I]], label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT:%.*]], label [[FOR_BODY_I_I_PREHEADER:%.*]] +; CHECK: for.body.i.i.preheader: +; CHECK-NEXT: br label [[FOR_BODY_I_I:%.*]] +; CHECK: for.body.i.i: +; CHECK-NEXT: [[__FIRST2_ADDR_07_I_I:%.*]] = phi i8* [ [[INCDEC_PTR1_I_I:%.*]], [[FOR_INC_I_I:%.*]] ], [ [[PTR1:%.*]], [[FOR_BODY_I_I_PREHEADER]] ] +; CHECK-NEXT: [[__FIRST1_ADDR_06_I_I:%.*]] = phi i8* [ [[INCDEC_PTR_I_I:%.*]], [[FOR_INC_I_I]] ], [ [[PTR0]], [[FOR_BODY_I_I_PREHEADER]] ] +; CHECK-NEXT: [[T0:%.*]] = load i8, i8* [[__FIRST1_ADDR_06_I_I]] +; CHECK-NEXT: [[T1:%.*]] = load i8, i8* [[__FIRST2_ADDR_07_I_I]] +; CHECK-NEXT: [[CMP_I_I_I:%.*]] = icmp eq i8 [[T0]], [[T1]] +; CHECK-NEXT: br i1 [[CMP_I_I_I]], label [[FOR_INC_I_I]], label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT_LOOPEXIT:%.*]] +; CHECK: for.inc.i.i: +; CHECK-NEXT: [[INCDEC_PTR_I_I]] = getelementptr inbounds i8, i8* [[__FIRST1_ADDR_06_I_I]], i64 1 +; CHECK-NEXT: [[INCDEC_PTR1_I_I]] = getelementptr inbounds i8, i8* [[__FIRST2_ADDR_07_I_I]], i64 1 +; CHECK-NEXT: [[CMP_I_I:%.*]] = icmp eq i8* [[INCDEC_PTR_I_I]], [[ADD_PTR]] +; CHECK-NEXT: br i1 [[CMP_I_I]], label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT_LOOPEXIT]], label [[FOR_BODY_I_I]] ; CHECK: _ZNSt3__15equalIPKcS2_EEbT_S3_T0_.exit.loopexit: -; CHECK-NEXT: [[T2_PH:%.*]] = phi i8* [ [[V2:%.*]], [[PTR0_VS_PTR1_EQCMP_UNEQUALBB]] ], [ [[V0:%.*]], [[PTR0_VS_PTR1_EQCMP_EQUALBB]] ] -; CHECK-NEXT: [[T3_PH:%.*]] = phi i8* [ [[V3:%.*]], [[PTR0_VS_PTR1_EQCMP_UNEQUALBB]] ], [ [[V1:%.*]], [[PTR0_VS_PTR1_EQCMP_EQUALBB]] ] +; CHECK-NEXT: [[T2_PH:%.*]] = phi i8* [ [[V2:%.*]], [[FOR_BODY_I_I]] ], [ [[V0:%.*]], [[FOR_INC_I_I]] ] +; CHECK-NEXT: [[T3_PH:%.*]] = phi i8* [ [[V3:%.*]], [[FOR_BODY_I_I]] ], [ [[V1:%.*]], [[FOR_INC_I_I]] ] ; CHECK-NEXT: br label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT]] ; CHECK: _ZNSt3__15equalIPKcS2_EEbT_S3_T0_.exit: ; CHECK-NEXT: [[T2:%.*]] = phi i8* [ [[V0]], [[ENTRY:%.*]] ], [ [[T2_PH]], [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT_LOOPEXIT]] ] @@ -1405,24 +1564,28 @@ define void @_Z16loop_within_loopmPPKcS1_Pm(i64 %outer_count, i8** %ptr0, i8** % ; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i8*, i8** [[PTR0:%.*]], i64 [[I_012]] ; CHECK-NEXT: [[T0:%.*]] = load i8*, i8** [[ARRAYIDX]] ; CHECK-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds i64, i64* [[COUNT:%.*]], i64 [[I_012]] -; CHECK-NEXT: [[T1_BYTECOUNT:%.*]] = load i64, i64* [[ARRAYIDX2]] -; CHECK-NEXT: [[ADD_PTR:%.*]] = getelementptr inbounds i8, i8* [[T0]], i64 [[T1_BYTECOUNT]] -; CHECK-NEXT: [[CMP5_I_I:%.*]] = icmp eq i64 [[T1_BYTECOUNT]], 0 +; CHECK-NEXT: [[T1:%.*]] = load i64, i64* [[ARRAYIDX2]] +; CHECK-NEXT: [[ADD_PTR:%.*]] = getelementptr inbounds i8, i8* [[T0]], i64 [[T1]] +; CHECK-NEXT: [[CMP5_I_I:%.*]] = icmp eq i64 [[T1]], 0 ; CHECK-NEXT: br i1 [[CMP5_I_I]], label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT]], label [[FOR_BODY_I_I_PREHEADER:%.*]] ; CHECK: for.body.i.i.preheader: ; CHECK-NEXT: [[ARRAYIDX3:%.*]] = getelementptr inbounds i8*, i8** [[PTR1:%.*]], i64 [[I_012]] ; CHECK-NEXT: [[T2:%.*]] = load i8*, i8** [[ARRAYIDX3]] -; CHECK-NEXT: [[MEMCMP:%.*]] = call i32 @memcmp(i8* [[T0]], i8* [[T2]], i64 [[T1_BYTECOUNT]]) -; CHECK-NEXT: [[T0_VS_T2_EQCMP:%.*]] = icmp eq i32 [[MEMCMP]], 0 -; CHECK-NEXT: br label [[FOR_BODY_I_I_BCMPDISPATCHBB:%.*]] -; CHECK: for.body.i.i.bcmpdispatchbb: -; CHECK-NEXT: br i1 [[T0_VS_T2_EQCMP]], label [[T0_VS_T2_EQCMP_EQUALBB:%.*]], label [[T0_VS_T2_EQCMP_UNEQUALBB:%.*]] -; CHECK: t0.vs.t2.eqcmp.equalbb: -; CHECK-NEXT: br i1 true, label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT_LOOPEXIT:%.*]], label [[FOR_BODY_I_I_BCMPDISPATCHBB]] -; CHECK: t0.vs.t2.eqcmp.unequalbb: -; CHECK-NEXT: br i1 true, label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT_LOOPEXIT]], label [[FOR_BODY_I_I_BCMPDISPATCHBB]] +; CHECK-NEXT: br label [[FOR_BODY_I_I:%.*]] +; CHECK: for.body.i.i: +; CHECK-NEXT: [[__FIRST2_ADDR_07_I_I:%.*]] = phi i8* [ [[INCDEC_PTR1_I_I:%.*]], [[FOR_INC_I_I:%.*]] ], [ [[T2]], [[FOR_BODY_I_I_PREHEADER]] ] +; CHECK-NEXT: [[__FIRST1_ADDR_06_I_I:%.*]] = phi i8* [ [[INCDEC_PTR_I_I:%.*]], [[FOR_INC_I_I]] ], [ [[T0]], [[FOR_BODY_I_I_PREHEADER]] ] +; CHECK-NEXT: [[T3:%.*]] = load i8, i8* [[__FIRST1_ADDR_06_I_I]] +; CHECK-NEXT: [[T4:%.*]] = load i8, i8* [[__FIRST2_ADDR_07_I_I]] +; CHECK-NEXT: [[CMP_I_I_I:%.*]] = icmp eq i8 [[T3]], [[T4]] +; CHECK-NEXT: br i1 [[CMP_I_I_I]], label [[FOR_INC_I_I]], label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT_LOOPEXIT:%.*]] +; CHECK: for.inc.i.i: +; CHECK-NEXT: [[INCDEC_PTR_I_I]] = getelementptr inbounds i8, i8* [[__FIRST1_ADDR_06_I_I]], i64 1 +; CHECK-NEXT: [[INCDEC_PTR1_I_I]] = getelementptr inbounds i8, i8* [[__FIRST2_ADDR_07_I_I]], i64 1 +; CHECK-NEXT: [[CMP_I_I:%.*]] = icmp eq i8* [[INCDEC_PTR_I_I]], [[ADD_PTR]] +; CHECK-NEXT: br i1 [[CMP_I_I]], label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT_LOOPEXIT]], label [[FOR_BODY_I_I]] ; CHECK: _ZNSt3__15equalIPKcS2_EEbT_S3_T0_.exit.loopexit: -; CHECK-NEXT: [[RETVAL_0_I_I_PH:%.*]] = phi i1 [ false, [[T0_VS_T2_EQCMP_UNEQUALBB]] ], [ true, [[T0_VS_T2_EQCMP_EQUALBB]] ] +; CHECK-NEXT: [[RETVAL_0_I_I_PH:%.*]] = phi i1 [ false, [[FOR_BODY_I_I]] ], [ true, [[FOR_INC_I_I]] ] ; CHECK-NEXT: br label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT]] ; CHECK: _ZNSt3__15equalIPKcS2_EEbT_S3_T0_.exit: ; CHECK-NEXT: [[RETVAL_0_I_I:%.*]] = phi i1 [ true, [[FOR_BODY]] ], [ [[RETVAL_0_I_I_PH]], [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT_LOOPEXIT]] ] @@ -1488,22 +1651,26 @@ define void @_Z42loop_within_loop_with_multiple_exit_blocksmPPKcS1_Pm(i64 %outer ; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i8*, i8** [[PTR0:%.*]], i64 [[I_012]] ; CHECK-NEXT: [[T0:%.*]] = load i8*, i8** [[ARRAYIDX]] ; CHECK-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds i64, i64* [[COUNT:%.*]], i64 [[I_012]] -; CHECK-NEXT: [[T1_BYTECOUNT:%.*]] = load i64, i64* [[ARRAYIDX2]] -; CHECK-NEXT: [[ADD_PTR:%.*]] = getelementptr inbounds i8, i8* [[T0]], i64 [[T1_BYTECOUNT]] -; CHECK-NEXT: [[CMP5_I_I:%.*]] = icmp eq i64 [[T1_BYTECOUNT]], 0 +; CHECK-NEXT: [[T1:%.*]] = load i64, i64* [[ARRAYIDX2]] +; CHECK-NEXT: [[ADD_PTR:%.*]] = getelementptr inbounds i8, i8* [[T0]], i64 [[T1]] +; CHECK-NEXT: [[CMP5_I_I:%.*]] = icmp eq i64 [[T1]], 0 ; CHECK-NEXT: br i1 [[CMP5_I_I]], label [[IF_END]], label [[FOR_BODY_I_I_PREHEADER:%.*]] ; CHECK: for.body.i.i.preheader: ; CHECK-NEXT: [[ARRAYIDX3:%.*]] = getelementptr inbounds i8*, i8** [[PTR1:%.*]], i64 [[I_012]] ; CHECK-NEXT: [[T2:%.*]] = load i8*, i8** [[ARRAYIDX3]] -; CHECK-NEXT: [[MEMCMP:%.*]] = call i32 @memcmp(i8* [[T0]], i8* [[T2]], i64 [[T1_BYTECOUNT]]) -; CHECK-NEXT: [[T0_VS_T2_EQCMP:%.*]] = icmp eq i32 [[MEMCMP]], 0 -; CHECK-NEXT: br label [[FOR_BODY_I_I_BCMPDISPATCHBB:%.*]] -; CHECK: for.body.i.i.bcmpdispatchbb: -; CHECK-NEXT: br i1 [[T0_VS_T2_EQCMP]], label [[T0_VS_T2_EQCMP_EQUALBB:%.*]], label [[T0_VS_T2_EQCMP_UNEQUALBB:%.*]] -; CHECK: t0.vs.t2.eqcmp.equalbb: -; CHECK-NEXT: br i1 true, label [[IF_END_LOOPEXIT:%.*]], label [[FOR_BODY_I_I_BCMPDISPATCHBB]] -; CHECK: t0.vs.t2.eqcmp.unequalbb: -; CHECK-NEXT: br i1 true, label [[IF_THEN:%.*]], label [[FOR_BODY_I_I_BCMPDISPATCHBB]] +; CHECK-NEXT: br label [[FOR_BODY_I_I:%.*]] +; CHECK: for.body.i.i: +; CHECK-NEXT: [[__FIRST2_ADDR_07_I_I:%.*]] = phi i8* [ [[INCDEC_PTR1_I_I:%.*]], [[FOR_INC_I_I:%.*]] ], [ [[T2]], [[FOR_BODY_I_I_PREHEADER]] ] +; CHECK-NEXT: [[__FIRST1_ADDR_06_I_I:%.*]] = phi i8* [ [[INCDEC_PTR_I_I:%.*]], [[FOR_INC_I_I]] ], [ [[T0]], [[FOR_BODY_I_I_PREHEADER]] ] +; CHECK-NEXT: [[T3:%.*]] = load i8, i8* [[__FIRST1_ADDR_06_I_I]] +; CHECK-NEXT: [[T4:%.*]] = load i8, i8* [[__FIRST2_ADDR_07_I_I]] +; CHECK-NEXT: [[CMP_I_I_I:%.*]] = icmp eq i8 [[T3]], [[T4]] +; CHECK-NEXT: br i1 [[CMP_I_I_I]], label [[FOR_INC_I_I]], label [[IF_THEN:%.*]] +; CHECK: for.inc.i.i: +; CHECK-NEXT: [[INCDEC_PTR_I_I]] = getelementptr inbounds i8, i8* [[__FIRST1_ADDR_06_I_I]], i64 1 +; CHECK-NEXT: [[INCDEC_PTR1_I_I]] = getelementptr inbounds i8, i8* [[__FIRST2_ADDR_07_I_I]], i64 1 +; CHECK-NEXT: [[CMP_I_I:%.*]] = icmp eq i8* [[INCDEC_PTR_I_I]], [[ADD_PTR]] +; CHECK-NEXT: br i1 [[CMP_I_I]], label [[IF_END_LOOPEXIT:%.*]], label [[FOR_BODY_I_I]] ; CHECK: if.then: ; CHECK-NEXT: tail call void @_Z17callee_on_unequalv() ; CHECK-NEXT: br label [[CLEANUP]] @@ -1573,17 +1740,19 @@ define void @_Z21endless_loop_if_equalPiS_(i32* %a, i32* %b) { ; CHECK: for.cond.loopexit: ; CHECK-NEXT: br label [[FOR_COND]] ; CHECK: for.cond: -; CHECK-NEXT: [[CSTR:%.*]] = bitcast i32* [[A:%.*]] to i8* -; CHECK-NEXT: [[CSTR1:%.*]] = bitcast i32* [[B:%.*]] to i8* -; CHECK-NEXT: [[MEMCMP:%.*]] = call i32 @memcmp(i8* [[CSTR]], i8* [[CSTR1]], i64 16) -; CHECK-NEXT: [[A_VS_B_EQCMP:%.*]] = icmp eq i32 [[MEMCMP]], 0 -; CHECK-NEXT: br label [[FOR_BODY_BCMPDISPATCHBB:%.*]] -; CHECK: for.body.bcmpdispatchbb: -; CHECK-NEXT: br i1 [[A_VS_B_EQCMP]], label [[A_VS_B_EQCMP_EQUALBB:%.*]], label [[A_VS_B_EQCMP_UNEQUALBB:%.*]] -; CHECK: a.vs.b.eqcmp.equalbb: -; CHECK-NEXT: br i1 true, label [[FOR_COND_LOOPEXIT:%.*]], label [[FOR_BODY_BCMPDISPATCHBB]] -; CHECK: a.vs.b.eqcmp.unequalbb: -; CHECK-NEXT: br i1 true, label [[RETURN:%.*]], label [[FOR_BODY_BCMPDISPATCHBB]] +; CHECK-NEXT: br label [[FOR_BODY:%.*]] +; CHECK: for.cond1: +; CHECK-NEXT: [[CMP:%.*]] = icmp ult i64 [[INDVARS_IV_NEXT:%.*]], 4 +; CHECK-NEXT: br i1 [[CMP]], label [[FOR_BODY]], label [[FOR_COND_LOOPEXIT:%.*]] +; CHECK: for.body: +; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ 0, [[FOR_COND]] ], [ [[INDVARS_IV_NEXT]], [[FOR_COND1:%.*]] ] +; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[INDVARS_IV]] +; CHECK-NEXT: [[TMP0:%.*]] = load i32, i32* [[ARRAYIDX]] +; CHECK-NEXT: [[ARRAYIDX3:%.*]] = getelementptr inbounds i32, i32* [[B:%.*]], i64 [[INDVARS_IV]] +; CHECK-NEXT: [[TMP1:%.*]] = load i32, i32* [[ARRAYIDX3]] +; CHECK-NEXT: [[CMP4:%.*]] = icmp eq i32 [[TMP0]], [[TMP1]] +; CHECK-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1 +; CHECK-NEXT: br i1 [[CMP4]], label [[FOR_COND1]], label [[RETURN:%.*]] ; CHECK: return: ; CHECK-NEXT: ret void ; @@ -1615,19 +1784,27 @@ define i1 @_Z21load_of_bitcastsPKcPKfm(i8* %ptr0, float* %ptr1, i64 %count) { ; CHECK-LABEL: @_Z21load_of_bitcastsPKcPKfm( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[CMP13:%.*]] = icmp eq i64 [[COUNT:%.*]], 0 -; CHECK-NEXT: br i1 [[CMP13]], label [[CLEANUP3:%.*]], label [[FOR_BODY_BCMPDISPATCHBB:%.*]] -; CHECK: for.body.bcmpdispatchbb: -; CHECK-NEXT: [[DOTBYTECOUNT:%.*]] = shl nuw i64 [[COUNT]], 2 -; CHECK-NEXT: [[CSTR:%.*]] = bitcast float* [[PTR1:%.*]] to i8* -; CHECK-NEXT: [[MEMCMP:%.*]] = call i32 @memcmp(i8* [[PTR0:%.*]], i8* [[CSTR]], i64 [[DOTBYTECOUNT]]) -; CHECK-NEXT: [[PTR0_VS_PTR1_EQCMP:%.*]] = icmp eq i32 [[MEMCMP]], 0 -; CHECK-NEXT: br i1 [[PTR0_VS_PTR1_EQCMP]], label [[PTR0_VS_PTR1_EQCMP_EQUALBB:%.*]], label [[PTR0_VS_PTR1_EQCMP_UNEQUALBB:%.*]] -; CHECK: ptr0.vs.ptr1.eqcmp.equalbb: -; CHECK-NEXT: br label [[CLEANUP3_LOOPEXIT:%.*]] -; CHECK: ptr0.vs.ptr1.eqcmp.unequalbb: -; CHECK-NEXT: br label [[CLEANUP3_LOOPEXIT]] +; CHECK-NEXT: br i1 [[CMP13]], label [[CLEANUP3:%.*]], label [[FOR_BODY_PREHEADER:%.*]] +; CHECK: for.body.preheader: +; CHECK-NEXT: br label [[FOR_BODY:%.*]] +; CHECK: for.body: +; CHECK-NEXT: [[PTR0_ADDR_016:%.*]] = phi i8* [ [[ADD_PTR:%.*]], [[FOR_INC:%.*]] ], [ [[PTR0:%.*]], [[FOR_BODY_PREHEADER]] ] +; CHECK-NEXT: [[I_015:%.*]] = phi i64 [ [[INC:%.*]], [[FOR_INC]] ], [ 0, [[FOR_BODY_PREHEADER]] ] +; CHECK-NEXT: [[PTR1_ADDR_014:%.*]] = phi float* [ [[INCDEC_PTR:%.*]], [[FOR_INC]] ], [ [[PTR1:%.*]], [[FOR_BODY_PREHEADER]] ] +; CHECK-NEXT: [[V0_0__SROA_CAST:%.*]] = bitcast i8* [[PTR0_ADDR_016]] to i32* +; CHECK-NEXT: [[V0_0_COPYLOAD:%.*]] = load i32, i32* [[V0_0__SROA_CAST]] +; CHECK-NEXT: [[V1_0__SROA_CAST:%.*]] = bitcast float* [[PTR1_ADDR_014]] to i32* +; CHECK-NEXT: [[V1_0_COPYLOAD:%.*]] = load i32, i32* [[V1_0__SROA_CAST]] +; CHECK-NEXT: [[CMP1:%.*]] = icmp eq i32 [[V0_0_COPYLOAD]], [[V1_0_COPYLOAD]] +; CHECK-NEXT: br i1 [[CMP1]], label [[FOR_INC]], label [[CLEANUP3_LOOPEXIT:%.*]] +; CHECK: for.inc: +; CHECK-NEXT: [[INC]] = add nuw i64 [[I_015]], 1 +; CHECK-NEXT: [[ADD_PTR]] = getelementptr inbounds i8, i8* [[PTR0_ADDR_016]], i64 4 +; CHECK-NEXT: [[INCDEC_PTR]] = getelementptr inbounds float, float* [[PTR1_ADDR_014]], i64 1 +; CHECK-NEXT: [[CMP:%.*]] = icmp ult i64 [[INC]], [[COUNT]] +; CHECK-NEXT: br i1 [[CMP]], label [[FOR_BODY]], label [[CLEANUP3_LOOPEXIT]] ; CHECK: cleanup3.loopexit: -; CHECK-NEXT: [[RES_PH:%.*]] = phi i1 [ false, [[PTR0_VS_PTR1_EQCMP_UNEQUALBB]] ], [ true, [[PTR0_VS_PTR1_EQCMP_EQUALBB]] ] +; CHECK-NEXT: [[RES_PH:%.*]] = phi i1 [ false, [[FOR_BODY]] ], [ true, [[FOR_INC]] ] ; CHECK-NEXT: br label [[CLEANUP3]] ; CHECK: cleanup3: ; CHECK-NEXT: [[RES:%.*]] = phi i1 [ true, [[ENTRY:%.*]] ], [ [[RES_PH]], [[CLEANUP3_LOOPEXIT]] ] |
