diff options
Diffstat (limited to 'llvm/test/Transforms/LoopIdiom/bcmp-debugify-remarks.ll')
| -rw-r--r-- | llvm/test/Transforms/LoopIdiom/bcmp-debugify-remarks.ll | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/llvm/test/Transforms/LoopIdiom/bcmp-debugify-remarks.ll b/llvm/test/Transforms/LoopIdiom/bcmp-debugify-remarks.ll new file mode 100644 index 00000000000..b3bab51b7ee --- /dev/null +++ b/llvm/test/Transforms/LoopIdiom/bcmp-debugify-remarks.ll @@ -0,0 +1,198 @@ +; NOTE: Assertions have been autogenerated by utils/update_test_checks.py +; RUN: opt -debugify -loop-idiom < %s -S 2>&1 | 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" + +; Check that everything still works when debuginfo is present, and that it is reasonably propagated. + +; #include <algorithm> +; +; bool index_iteration_eq_variable_size_no_overlap(char const* ptr, size_t count) { +; char const* ptr0 = ptr; +; char const* ptr1 = ptr + count; +; for(size_t i = 0; i < count; i++) { +; if(ptr0[i] != ptr1[i]) +; return false; +; } +; return true; +; } +; +; void sink(bool); +; void loop_within_loop(size_t outer_count, char const** ptr0, char const** ptr1, size_t* count) { +; for(size_t i = 0; i != outer_count; ++i) +; sink(std::equal(ptr0[i], ptr0[i] + count[i], ptr1[i])); +; } + +define i1 @_Z43index_iteration_eq_variable_size_no_overlapPKcm(i8* nocapture %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:%.*]], !dbg !22 +; CHECK-NEXT: call void @llvm.dbg.value(metadata i8* [[ADD_PTR]], metadata !9, metadata !DIExpression()), !dbg !22 +; CHECK-NEXT: [[CMP14:%.*]] = icmp eq i64 [[COUNT]], 0, !dbg !23 +; CHECK-NEXT: call void @llvm.dbg.value(metadata i1 [[CMP14]], metadata !11, metadata !DIExpression()), !dbg !23 +; CHECK-NEXT: br i1 [[CMP14]], label [[CLEANUP:%.*]], label [[FOR_BODY_PREHEADER:%.*]], !dbg !24 +; CHECK: for.body.preheader: +; CHECK-NEXT: br label [[FOR_BODY:%.*]], !dbg !25 +; CHECK: for.cond: +; CHECK-NEXT: [[CMP:%.*]] = icmp ult i64 [[INC:%.*]], [[COUNT]], !dbg !26 +; CHECK-NEXT: call void @llvm.dbg.value(metadata i1 [[CMP]], metadata !13, metadata !DIExpression()), !dbg !26 +; CHECK-NEXT: br i1 [[CMP]], label [[FOR_BODY]], label [[CLEANUP_LOOPEXIT:%.*]], !dbg !27 +; CHECK: for.body: +; CHECK-NEXT: [[I_015:%.*]] = phi i64 [ [[INC]], [[FOR_COND:%.*]] ], [ 0, [[FOR_BODY_PREHEADER]] ], !dbg !28 +; CHECK-NEXT: call void @llvm.dbg.value(metadata i64 [[I_015]], metadata !14, metadata !DIExpression()), !dbg !28 +; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i8, i8* [[PTR]], i64 [[I_015]], !dbg !25 +; CHECK-NEXT: call void @llvm.dbg.value(metadata i8* [[ARRAYIDX]], metadata !15, metadata !DIExpression()), !dbg !25 +; CHECK-NEXT: [[V0:%.*]] = load i8, i8* [[ARRAYIDX]], !dbg !29 +; CHECK-NEXT: call void @llvm.dbg.value(metadata i8 [[V0]], metadata !16, metadata !DIExpression()), !dbg !29 +; CHECK-NEXT: [[ARRAYIDX1:%.*]] = getelementptr inbounds i8, i8* [[ADD_PTR]], i64 [[I_015]], !dbg !30 +; CHECK-NEXT: call void @llvm.dbg.value(metadata i8* [[ARRAYIDX1]], metadata !17, metadata !DIExpression()), !dbg !30 +; CHECK-NEXT: [[V1:%.*]] = load i8, i8* [[ARRAYIDX1]], !dbg !31 +; CHECK-NEXT: call void @llvm.dbg.value(metadata i8 [[V1]], metadata !18, metadata !DIExpression()), !dbg !31 +; CHECK-NEXT: [[CMP3:%.*]] = icmp eq i8 [[V0]], [[V1]], !dbg !32 +; CHECK-NEXT: call void @llvm.dbg.value(metadata i1 [[CMP3]], metadata !19, metadata !DIExpression()), !dbg !32 +; CHECK-NEXT: [[INC]] = add nuw i64 [[I_015]], 1, !dbg !33 +; CHECK-NEXT: call void @llvm.dbg.value(metadata i64 [[INC]], metadata !20, metadata !DIExpression()), !dbg !33 +; CHECK-NEXT: br i1 [[CMP3]], label [[FOR_COND]], label [[CLEANUP_LOOPEXIT]], !dbg !34 +; CHECK: cleanup.loopexit: +; CHECK-NEXT: [[RES_PH:%.*]] = phi i1 [ false, [[FOR_BODY]] ], [ true, [[FOR_COND]] ] +; CHECK-NEXT: br label [[CLEANUP]], !dbg !35 +; CHECK: cleanup: +; CHECK-NEXT: [[RES:%.*]] = phi i1 [ true, [[ENTRY:%.*]] ], [ [[RES_PH]], [[CLEANUP_LOOPEXIT]] ], !dbg !36 +; CHECK-NEXT: call void @llvm.dbg.value(metadata i1 [[RES]], metadata !21, metadata !DIExpression()), !dbg !36 +; CHECK-NEXT: ret i1 [[RES]], !dbg !35 +; +entry: + %add.ptr = getelementptr inbounds i8, i8* %ptr, i64 %count + %cmp14 = icmp eq i64 %count, 0 + br i1 %cmp14, label %cleanup, label %for.body + +for.cond: ; preds = %for.body + %cmp = icmp ult i64 %inc, %count + br i1 %cmp, label %for.body, label %cleanup + +for.body: ; preds = %entry, %for.cond + %i.015 = phi i64 [ %inc, %for.cond ], [ 0, %entry ] + %arrayidx = getelementptr inbounds i8, i8* %ptr, i64 %i.015 + %v0 = load i8, i8* %arrayidx + %arrayidx1 = getelementptr inbounds i8, i8* %add.ptr, i64 %i.015 + %v1 = load i8, i8* %arrayidx1 + %cmp3 = icmp eq i8 %v0, %v1 + %inc = add nuw i64 %i.015, 1 + br i1 %cmp3, label %for.cond, label %cleanup + +cleanup: ; preds = %for.body, %for.cond, %entry + %res = phi i1 [ true, %entry ], [ true, %for.cond ], [ false, %for.body ] + ret i1 %res +} + +define void @_Z16loop_within_loopmPPKcS1_Pm(i64 %outer_count, i8** %ptr0, i8** %ptr1, i64* %count) { +; CHECK-LABEL: @_Z16loop_within_loopmPPKcS1_Pm( +; CHECK-NEXT: entry: +; CHECK-NEXT: [[CMP11:%.*]] = icmp eq i64 [[OUTER_COUNT:%.*]], 0, !dbg !60 +; CHECK-NEXT: call void @llvm.dbg.value(metadata i1 [[CMP11]], metadata !39, metadata !DIExpression()), !dbg !60 +; CHECK-NEXT: br i1 [[CMP11]], label [[FOR_COND_CLEANUP:%.*]], label [[FOR_BODY_PREHEADER:%.*]], !dbg !61 +; CHECK: for.body.preheader: +; CHECK-NEXT: br label [[FOR_BODY:%.*]], !dbg !62 +; CHECK: for.cond.cleanup.loopexit: +; CHECK-NEXT: br label [[FOR_COND_CLEANUP]], !dbg !63 +; CHECK: for.cond.cleanup: +; CHECK-NEXT: ret void, !dbg !63 +; CHECK: for.body: +; CHECK-NEXT: [[I_012:%.*]] = phi i64 [ [[INC:%.*]], [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT:%.*]] ], [ 0, [[FOR_BODY_PREHEADER]] ], !dbg !64 +; CHECK-NEXT: call void @llvm.dbg.value(metadata i64 [[I_012]], metadata !40, metadata !DIExpression()), !dbg !64 +; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i8*, i8** [[PTR0:%.*]], i64 [[I_012]], !dbg !62 +; CHECK-NEXT: call void @llvm.dbg.value(metadata i8** [[ARRAYIDX]], metadata !41, metadata !DIExpression()), !dbg !62 +; CHECK-NEXT: [[T0:%.*]] = load i8*, i8** [[ARRAYIDX]], !dbg !65 +; CHECK-NEXT: call void @llvm.dbg.value(metadata i8* [[T0]], metadata !42, metadata !DIExpression()), !dbg !65 +; CHECK-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds i64, i64* [[COUNT:%.*]], i64 [[I_012]], !dbg !66 +; CHECK-NEXT: call void @llvm.dbg.value(metadata i64* [[ARRAYIDX2]], metadata !43, metadata !DIExpression()), !dbg !66 +; CHECK-NEXT: [[T1:%.*]] = load i64, i64* [[ARRAYIDX2]], !dbg !67 +; CHECK-NEXT: call void @llvm.dbg.value(metadata i64 [[T1]], metadata !44, metadata !DIExpression()), !dbg !67 +; CHECK-NEXT: [[ADD_PTR:%.*]] = getelementptr inbounds i8, i8* [[T0]], i64 [[T1]], !dbg !68 +; CHECK-NEXT: call void @llvm.dbg.value(metadata i8* [[ADD_PTR]], metadata !45, metadata !DIExpression()), !dbg !68 +; CHECK-NEXT: [[CMP5_I_I:%.*]] = icmp eq i64 [[T1]], 0, !dbg !69 +; CHECK-NEXT: call void @llvm.dbg.value(metadata i1 [[CMP5_I_I]], metadata !46, metadata !DIExpression()), !dbg !69 +; CHECK-NEXT: br i1 [[CMP5_I_I]], label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT]], label [[FOR_BODY_I_I_PREHEADER:%.*]], !dbg !70 +; CHECK: for.body.i.i.preheader: +; CHECK-NEXT: [[ARRAYIDX3:%.*]] = getelementptr inbounds i8*, i8** [[PTR1:%.*]], i64 [[I_012]], !dbg !71 +; CHECK-NEXT: call void @llvm.dbg.value(metadata i8** [[ARRAYIDX3]], metadata !47, metadata !DIExpression()), !dbg !71 +; CHECK-NEXT: [[T2:%.*]] = load i8*, i8** [[ARRAYIDX3]], !dbg !72 +; CHECK-NEXT: call void @llvm.dbg.value(metadata i8* [[T2]], metadata !48, metadata !DIExpression()), !dbg !72 +; CHECK-NEXT: br label [[FOR_BODY_I_I:%.*]], !dbg !73 +; 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]] ], !dbg !74 +; CHECK-NEXT: [[__FIRST1_ADDR_06_I_I:%.*]] = phi i8* [ [[INCDEC_PTR_I_I:%.*]], [[FOR_INC_I_I]] ], [ [[T0]], [[FOR_BODY_I_I_PREHEADER]] ], !dbg !75 +; CHECK-NEXT: call void @llvm.dbg.value(metadata i8* [[__FIRST2_ADDR_07_I_I]], metadata !49, metadata !DIExpression()), !dbg !74 +; CHECK-NEXT: call void @llvm.dbg.value(metadata i8* [[__FIRST1_ADDR_06_I_I]], metadata !50, metadata !DIExpression()), !dbg !75 +; CHECK-NEXT: [[T3:%.*]] = load i8, i8* [[__FIRST1_ADDR_06_I_I]], !dbg !76 +; CHECK-NEXT: call void @llvm.dbg.value(metadata i8 [[T3]], metadata !51, metadata !DIExpression()), !dbg !76 +; CHECK-NEXT: [[T4:%.*]] = load i8, i8* [[__FIRST2_ADDR_07_I_I]], !dbg !77 +; CHECK-NEXT: call void @llvm.dbg.value(metadata i8 [[T4]], metadata !52, metadata !DIExpression()), !dbg !77 +; CHECK-NEXT: [[CMP_I_I_I:%.*]] = icmp eq i8 [[T3]], [[T4]], !dbg !78 +; CHECK-NEXT: call void @llvm.dbg.value(metadata i1 [[CMP_I_I_I]], metadata !53, metadata !DIExpression()), !dbg !78 +; CHECK-NEXT: br i1 [[CMP_I_I_I]], label [[FOR_INC_I_I]], label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT_LOOPEXIT:%.*]], !dbg !79 +; CHECK: for.inc.i.i: +; CHECK-NEXT: [[INCDEC_PTR_I_I]] = getelementptr inbounds i8, i8* [[__FIRST1_ADDR_06_I_I]], i64 1, !dbg !80 +; CHECK-NEXT: call void @llvm.dbg.value(metadata i8* [[INCDEC_PTR_I_I]], metadata !54, metadata !DIExpression()), !dbg !80 +; CHECK-NEXT: [[INCDEC_PTR1_I_I]] = getelementptr inbounds i8, i8* [[__FIRST2_ADDR_07_I_I]], i64 1, !dbg !81 +; CHECK-NEXT: call void @llvm.dbg.value(metadata i8* [[INCDEC_PTR1_I_I]], metadata !55, metadata !DIExpression()), !dbg !81 +; CHECK-NEXT: [[CMP_I_I:%.*]] = icmp eq i8* [[INCDEC_PTR_I_I]], [[ADD_PTR]], !dbg !82 +; CHECK-NEXT: call void @llvm.dbg.value(metadata i1 [[CMP_I_I]], metadata !56, metadata !DIExpression()), !dbg !82 +; CHECK-NEXT: br i1 [[CMP_I_I]], label [[_ZNST3__15EQUALIPKCS2_EEBT_S3_T0__EXIT_LOOPEXIT]], label [[FOR_BODY_I_I]], !dbg !83 +; CHECK: _ZNSt3__15equalIPKcS2_EEbT_S3_T0_.exit.loopexit: +; 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]], !dbg !84 +; 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]] ], !dbg !85 +; CHECK-NEXT: call void @llvm.dbg.value(metadata i1 [[RETVAL_0_I_I]], metadata !57, metadata !DIExpression()), !dbg !85 +; CHECK-NEXT: tail call void @_Z4sinkb(i1 [[RETVAL_0_I_I]]), !dbg !84 +; CHECK-NEXT: [[INC]] = add nuw i64 [[I_012]], 1, !dbg !86 +; CHECK-NEXT: call void @llvm.dbg.value(metadata i64 [[INC]], metadata !58, metadata !DIExpression()), !dbg !86 +; CHECK-NEXT: [[CMP:%.*]] = icmp eq i64 [[INC]], [[OUTER_COUNT]], !dbg !87 +; CHECK-NEXT: call void @llvm.dbg.value(metadata i1 [[CMP]], metadata !59, metadata !DIExpression()), !dbg !87 +; CHECK-NEXT: br i1 [[CMP]], label [[FOR_COND_CLEANUP_LOOPEXIT:%.*]], label [[FOR_BODY]], !dbg !88 +; +entry: + %cmp11 = icmp eq i64 %outer_count, 0 + br i1 %cmp11, label %for.cond.cleanup, label %for.body + +for.cond.cleanup: ; preds = %_ZNSt3__15equalIPKcS2_EEbT_S3_T0_.exit, %entry + ret void + +for.body: ; preds = %entry, %_ZNSt3__15equalIPKcS2_EEbT_S3_T0_.exit + %i.012 = phi i64 [ %inc, %_ZNSt3__15equalIPKcS2_EEbT_S3_T0_.exit ], [ 0, %entry ] + %arrayidx = getelementptr inbounds i8*, i8** %ptr0, i64 %i.012 + %t0 = load i8*, i8** %arrayidx + %arrayidx2 = getelementptr inbounds i64, i64* %count, i64 %i.012 + %t1 = load i64, i64* %arrayidx2 + %add.ptr = getelementptr inbounds i8, i8* %t0, i64 %t1 + %cmp5.i.i = icmp eq i64 %t1, 0 + br i1 %cmp5.i.i, label %_ZNSt3__15equalIPKcS2_EEbT_S3_T0_.exit, label %for.body.i.i.preheader + +for.body.i.i.preheader: ; preds = %for.body + %arrayidx3 = getelementptr inbounds i8*, i8** %ptr1, i64 %i.012 + %t2 = load i8*, i8** %arrayidx3 + br label %for.body.i.i + +for.body.i.i: ; preds = %for.body.i.i.preheader, %for.inc.i.i + %__first2.addr.07.i.i = phi i8* [ %incdec.ptr1.i.i, %for.inc.i.i ], [ %t2, %for.body.i.i.preheader ] + %__first1.addr.06.i.i = phi i8* [ %incdec.ptr.i.i, %for.inc.i.i ], [ %t0, %for.body.i.i.preheader ] + %t3 = load i8, i8* %__first1.addr.06.i.i + %t4 = load i8, i8* %__first2.addr.07.i.i + %cmp.i.i.i = icmp eq i8 %t3, %t4 + br i1 %cmp.i.i.i, label %for.inc.i.i, label %_ZNSt3__15equalIPKcS2_EEbT_S3_T0_.exit + +for.inc.i.i: ; preds = %for.body.i.i + %incdec.ptr.i.i = getelementptr inbounds i8, i8* %__first1.addr.06.i.i, i64 1 + %incdec.ptr1.i.i = getelementptr inbounds i8, i8* %__first2.addr.07.i.i, i64 1 + %cmp.i.i = icmp eq i8* %incdec.ptr.i.i, %add.ptr + br i1 %cmp.i.i, label %_ZNSt3__15equalIPKcS2_EEbT_S3_T0_.exit, label %for.body.i.i + +_ZNSt3__15equalIPKcS2_EEbT_S3_T0_.exit: ; preds = %for.body.i.i, %for.inc.i.i, %for.body + %retval.0.i.i = phi i1 [ true, %for.body ], [ true, %for.inc.i.i ], [ false, %for.body.i.i ] + tail call void @_Z4sinkb(i1 %retval.0.i.i) + %inc = add nuw i64 %i.012, 1 + %cmp = icmp eq i64 %inc, %outer_count + br i1 %cmp, label %for.cond.cleanup, label %for.body +} +declare void @_Z4sinkb(i1) |
