diff options
Diffstat (limited to 'llvm/test/Transforms/InstSimplify/saturating-add-sub.ll')
| -rw-r--r-- | llvm/test/Transforms/InstSimplify/saturating-add-sub.ll | 666 |
1 files changed, 0 insertions, 666 deletions
diff --git a/llvm/test/Transforms/InstSimplify/saturating-add-sub.ll b/llvm/test/Transforms/InstSimplify/saturating-add-sub.ll deleted file mode 100644 index a226cc456ac..00000000000 --- a/llvm/test/Transforms/InstSimplify/saturating-add-sub.ll +++ /dev/null @@ -1,666 +0,0 @@ -; NOTE: Assertions have been autogenerated by utils/update_test_checks.py -; RUN: opt < %s -instsimplify -S | FileCheck %s - -declare i3 @llvm.uadd.sat.i3(i3, i3) -declare i8 @llvm.uadd.sat.i8(i8, i8) -declare <2 x i8> @llvm.uadd.sat.v2i8(<2 x i8>, <2 x i8>) -declare <2 x i9> @llvm.uadd.sat.v2i9(<2 x i9>, <2 x i9>) - -declare i8 @llvm.sadd.sat.i8(i8, i8) -declare <2 x i8> @llvm.sadd.sat.v2i8(<2 x i8>, <2 x i8>) - -declare i8 @llvm.usub.sat.i8(i8, i8) -declare i8 @llvm.ssub.sat.i8(i8, i8) -declare <2 x i8> @llvm.usub.sat.v2i8(<2 x i8>, <2 x i8>) -declare <2 x i8> @llvm.ssub.sat.v2i8(<2 x i8>, <2 x i8>) - -define i8 @uadd_scalar_0(i8 %a) { -; CHECK-LABEL: @uadd_scalar_0( -; CHECK-NEXT: ret i8 [[A:%.*]] -; - %x1 = call i8 @llvm.uadd.sat.i8(i8 %a, i8 0) - ret i8 %x1 -} - -define <2 x i8> @uadd_vector_0(<2 x i8> %a) { -; CHECK-LABEL: @uadd_vector_0( -; CHECK-NEXT: ret <2 x i8> [[A:%.*]] -; - %x1v = call <2 x i8> @llvm.uadd.sat.v2i8(<2 x i8> %a, <2 x i8> zeroinitializer) - ret <2 x i8> %x1v -} - -define i3 @uadd_scalar_0_commute(i3 %a) { -; CHECK-LABEL: @uadd_scalar_0_commute( -; CHECK-NEXT: ret i3 [[A:%.*]] -; - %x2 = call i3 @llvm.uadd.sat.i3(i3 0, i3 %a) - ret i3 %x2 -} - -define <2 x i8> @uadd_vector_0_commute(<2 x i8> %a) { -; CHECK-LABEL: @uadd_vector_0_commute( -; CHECK-NEXT: ret <2 x i8> [[A:%.*]] -; - %x2v = call <2 x i8> @llvm.uadd.sat.v2i8(<2 x i8> <i8 0, i8 undef>, <2 x i8> %a) - ret <2 x i8> %x2v -} - -define i8 @uadd_scalar_maxval(i8 %a) { -; CHECK-LABEL: @uadd_scalar_maxval( -; CHECK-NEXT: ret i8 -1 -; - %x3 = call i8 @llvm.uadd.sat.i8(i8 %a, i8 255) - ret i8 %x3 -} - -define <2 x i9> @uadd_vector_maxval(<2 x i9> %a) { -; CHECK-LABEL: @uadd_vector_maxval( -; CHECK-NEXT: ret <2 x i9> <i9 -1, i9 -1> -; - %x3v = call <2 x i9> @llvm.uadd.sat.v2i9(<2 x i9> %a, <2 x i9> <i9 511, i9 511>) - ret <2 x i9> %x3v -} - -define i3 @uadd_scalar_maxval_commute(i3 %a) { -; CHECK-LABEL: @uadd_scalar_maxval_commute( -; CHECK-NEXT: ret i3 -1 -; - %x4 = call i3 @llvm.uadd.sat.i3(i3 7, i3 %a) - ret i3 %x4 -} - -define <2 x i8> @uadd_vector_maxval_commute(<2 x i8> %a) { -; CHECK-LABEL: @uadd_vector_maxval_commute( -; CHECK-NEXT: ret <2 x i8> <i8 -1, i8 -1> -; - %x4v = call <2 x i8> @llvm.uadd.sat.v2i8(<2 x i8> <i8 255, i8 255>, <2 x i8> %a) - ret <2 x i8> %x4v -} - -define i8 @uadd_scalar_undef(i8 %a) { -; CHECK-LABEL: @uadd_scalar_undef( -; CHECK-NEXT: ret i8 -1 -; - %x5 = call i8 @llvm.uadd.sat.i8(i8 %a, i8 undef) - ret i8 %x5 -} - -define <2 x i8> @uadd_vector_undef(<2 x i8> %a) { -; CHECK-LABEL: @uadd_vector_undef( -; CHECK-NEXT: ret <2 x i8> <i8 -1, i8 -1> -; - %x5v = call <2 x i8> @llvm.uadd.sat.v2i8(<2 x i8> %a, <2 x i8> <i8 undef, i8 undef>) - ret <2 x i8> %x5v -} - -define i8 @uadd_scalar_undef_commute(i8 %a) { -; CHECK-LABEL: @uadd_scalar_undef_commute( -; CHECK-NEXT: ret i8 -1 -; - %x6 = call i8 @llvm.uadd.sat.i8(i8 undef, i8 %a) - ret i8 %x6 -} - -define <2 x i8> @uadd_vector_undef_commute(<2 x i8> %a) { -; CHECK-LABEL: @uadd_vector_undef_commute( -; CHECK-NEXT: ret <2 x i8> <i8 -1, i8 -1> -; - %x5v = call <2 x i8> @llvm.uadd.sat.v2i8(<2 x i8> undef, <2 x i8> %a) - ret <2 x i8> %x5v -} - -define i8 @sadd_scalar_0(i8 %a) { -; CHECK-LABEL: @sadd_scalar_0( -; CHECK-NEXT: ret i8 [[A:%.*]] -; - %y1 = call i8 @llvm.sadd.sat.i8(i8 %a, i8 0) - ret i8 %y1 -} - -define <2 x i8> @sadd_vector_0(<2 x i8> %a) { -; CHECK-LABEL: @sadd_vector_0( -; CHECK-NEXT: ret <2 x i8> [[A:%.*]] -; - %y1v = call <2 x i8> @llvm.sadd.sat.v2i8(<2 x i8> %a, <2 x i8> <i8 undef, i8 0>) - ret <2 x i8> %y1v -} - -define i8 @sadd_scalar_0_commute(i8 %a) { -; CHECK-LABEL: @sadd_scalar_0_commute( -; CHECK-NEXT: ret i8 [[A:%.*]] -; - %y2 = call i8 @llvm.sadd.sat.i8(i8 0, i8 %a) - ret i8 %y2 -} - -define <2 x i8> @sadd_vector_0_commute(<2 x i8> %a) { -; CHECK-LABEL: @sadd_vector_0_commute( -; CHECK-NEXT: ret <2 x i8> [[A:%.*]] -; - %y2v = call <2 x i8> @llvm.sadd.sat.v2i8(<2 x i8> zeroinitializer, <2 x i8> %a) - ret <2 x i8> %y2v -} - -define i8 @sadd_scalar_maxval(i8 %a) { -; CHECK-LABEL: @sadd_scalar_maxval( -; CHECK-NEXT: [[Y3:%.*]] = call i8 @llvm.sadd.sat.i8(i8 [[A:%.*]], i8 127) -; CHECK-NEXT: ret i8 [[Y3]] -; - %y3 = call i8 @llvm.sadd.sat.i8(i8 %a, i8 127) - ret i8 %y3 -} - -define <2 x i8> @sadd_vector_maxval(<2 x i8> %a) { -; CHECK-LABEL: @sadd_vector_maxval( -; CHECK-NEXT: [[Y3V:%.*]] = call <2 x i8> @llvm.sadd.sat.v2i8(<2 x i8> [[A:%.*]], <2 x i8> <i8 127, i8 127>) -; CHECK-NEXT: ret <2 x i8> [[Y3V]] -; - %y3v = call <2 x i8> @llvm.sadd.sat.v2i8(<2 x i8> %a, <2 x i8> <i8 127, i8 127>) - ret <2 x i8> %y3v -} - -define i8 @sadd_scalar_maxval_commute(i8 %a) { -; CHECK-LABEL: @sadd_scalar_maxval_commute( -; CHECK-NEXT: [[Y4:%.*]] = call i8 @llvm.sadd.sat.i8(i8 127, i8 [[A:%.*]]) -; CHECK-NEXT: ret i8 [[Y4]] -; - %y4 = call i8 @llvm.sadd.sat.i8(i8 127, i8 %a) - ret i8 %y4 -} - -define <2 x i8> @sadd_vector_maxval_commute(<2 x i8> %a) { -; CHECK-LABEL: @sadd_vector_maxval_commute( -; CHECK-NEXT: [[Y4V:%.*]] = call <2 x i8> @llvm.sadd.sat.v2i8(<2 x i8> <i8 undef, i8 127>, <2 x i8> [[A:%.*]]) -; CHECK-NEXT: ret <2 x i8> [[Y4V]] -; - %y4v = call <2 x i8> @llvm.sadd.sat.v2i8(<2 x i8> <i8 undef, i8 127>, <2 x i8> %a) - ret <2 x i8> %y4v -} - -define i8 @sadd_scalar_undef(i8 %a) { -; CHECK-LABEL: @sadd_scalar_undef( -; CHECK-NEXT: ret i8 -1 -; - %y5 = call i8 @llvm.sadd.sat.i8(i8 %a, i8 undef) - ret i8 %y5 -} - -define <2 x i8> @sadd_vector_undef(<2 x i8> %a) { -; CHECK-LABEL: @sadd_vector_undef( -; CHECK-NEXT: ret <2 x i8> <i8 -1, i8 -1> -; - %y5v = call <2 x i8> @llvm.sadd.sat.v2i8(<2 x i8> %a, <2 x i8> undef) - ret <2 x i8> %y5v -} - -define i8 @sadd_scalar_undef_commute(i8 %a) { -; CHECK-LABEL: @sadd_scalar_undef_commute( -; CHECK-NEXT: ret i8 -1 -; - %y6 = call i8 @llvm.sadd.sat.i8(i8 undef, i8 %a) - ret i8 %y6 -} - -define <2 x i8> @sadd_vector_undef_commute(<2 x i8> %a) { -; CHECK-LABEL: @sadd_vector_undef_commute( -; CHECK-NEXT: ret <2 x i8> <i8 -1, i8 -1> -; - %y6v = call <2 x i8> @llvm.sadd.sat.v2i8(<2 x i8> undef, <2 x i8> %a) - ret <2 x i8> %y6v -} - -define i8 @usub_scalar_0(i8 %a) { -; CHECK-LABEL: @usub_scalar_0( -; CHECK-NEXT: ret i8 [[A:%.*]] -; - %x1 = call i8 @llvm.usub.sat.i8(i8 %a, i8 0) - ret i8 %x1 -} - -define <2 x i8> @usub_vector_0(<2 x i8> %a) { -; CHECK-LABEL: @usub_vector_0( -; CHECK-NEXT: ret <2 x i8> [[A:%.*]] -; - %x1v = call <2 x i8> @llvm.usub.sat.v2i8(<2 x i8> %a, <2 x i8> <i8 0, i8 0>) - ret <2 x i8> %x1v -} - -define i8 @usub_scalar_0_commute(i8 %a) { -; CHECK-LABEL: @usub_scalar_0_commute( -; CHECK-NEXT: ret i8 0 -; - %x2 = call i8 @llvm.usub.sat.i8(i8 0, i8 %a) - ret i8 %x2 -} - -define <2 x i8> @usub_vector_0_commute(<2 x i8> %a) { -; CHECK-LABEL: @usub_vector_0_commute( -; CHECK-NEXT: ret <2 x i8> zeroinitializer -; - %x2v = call <2 x i8> @llvm.usub.sat.v2i8(<2 x i8> <i8 0, i8 0>, <2 x i8> %a) - ret <2 x i8> %x2v -} - -define i8 @usub_scalar_maxval(i8 %a) { -; CHECK-LABEL: @usub_scalar_maxval( -; CHECK-NEXT: ret i8 0 -; - %x3 = call i8 @llvm.usub.sat.i8(i8 %a, i8 255) - ret i8 %x3 -} - -define <2 x i8> @usub_vector_maxval(<2 x i8> %a) { -; CHECK-LABEL: @usub_vector_maxval( -; CHECK-NEXT: ret <2 x i8> zeroinitializer -; - %x3v = call <2 x i8> @llvm.usub.sat.v2i8(<2 x i8> %a, <2 x i8> <i8 255, i8 255>) - ret <2 x i8> %x3v -} - -define i8 @usub_scalar_undef(i8 %a) { -; CHECK-LABEL: @usub_scalar_undef( -; CHECK-NEXT: ret i8 0 -; - %x4 = call i8 @llvm.usub.sat.i8(i8 %a, i8 undef) - ret i8 %x4 -} - -define <2 x i8> @usub_vector_undef(<2 x i8> %a) { -; CHECK-LABEL: @usub_vector_undef( -; CHECK-NEXT: ret <2 x i8> zeroinitializer -; - %x4v = call <2 x i8> @llvm.usub.sat.v2i8(<2 x i8> %a, <2 x i8> <i8 undef, i8 undef>) - ret <2 x i8> %x4v -} - -define i8 @usub_scalar_undef_commute(i8 %a) { -; CHECK-LABEL: @usub_scalar_undef_commute( -; CHECK-NEXT: ret i8 0 -; - %x5 = call i8 @llvm.usub.sat.i8(i8 undef, i8 %a) - ret i8 %x5 -} - -define <2 x i8> @usub_vector_undef_commute(<2 x i8> %a) { -; CHECK-LABEL: @usub_vector_undef_commute( -; CHECK-NEXT: ret <2 x i8> zeroinitializer -; - %x5v = call <2 x i8> @llvm.usub.sat.v2i8(<2 x i8> <i8 undef, i8 undef>, <2 x i8> %a) - ret <2 x i8> %x5v -} - -define i8 @usub_scalar_same(i8 %a) { -; CHECK-LABEL: @usub_scalar_same( -; CHECK-NEXT: ret i8 0 -; - %x6 = call i8 @llvm.usub.sat.i8(i8 %a, i8 %a) - ret i8 %x6 -} - -define <2 x i8> @usub_vector_same(<2 x i8> %a) { -; CHECK-LABEL: @usub_vector_same( -; CHECK-NEXT: ret <2 x i8> zeroinitializer -; - %x6v = call <2 x i8> @llvm.usub.sat.v2i8(<2 x i8> %a, <2 x i8> %a) - ret <2 x i8> %x6v -} - -define i8 @ssub_scalar_0(i8 %a) { -; CHECK-LABEL: @ssub_scalar_0( -; CHECK-NEXT: ret i8 [[A:%.*]] -; - %y1 = call i8 @llvm.ssub.sat.i8(i8 %a, i8 0) - ret i8 %y1 -} - -define <2 x i8> @ssub_vector_0(<2 x i8> %a) { -; CHECK-LABEL: @ssub_vector_0( -; CHECK-NEXT: ret <2 x i8> [[A:%.*]] -; - %y1v = call <2 x i8> @llvm.ssub.sat.v2i8(<2 x i8> %a, <2 x i8> <i8 0, i8 0>) - ret <2 x i8> %y1v -} - -define i8 @ssub_scalar_0_commute(i8 %a) { -; CHECK-LABEL: @ssub_scalar_0_commute( -; CHECK-NEXT: [[Y2:%.*]] = call i8 @llvm.ssub.sat.i8(i8 0, i8 [[A:%.*]]) -; CHECK-NEXT: ret i8 [[Y2]] -; - %y2 = call i8 @llvm.ssub.sat.i8(i8 0, i8 %a) - ret i8 %y2 -} - -define <2 x i8> @ssub_vector_0_commute(<2 x i8> %a) { -; CHECK-LABEL: @ssub_vector_0_commute( -; CHECK-NEXT: [[Y2V:%.*]] = call <2 x i8> @llvm.ssub.sat.v2i8(<2 x i8> zeroinitializer, <2 x i8> [[A:%.*]]) -; CHECK-NEXT: ret <2 x i8> [[Y2V]] -; - %y2v = call <2 x i8> @llvm.ssub.sat.v2i8(<2 x i8> <i8 0, i8 0>, <2 x i8> %a) - ret <2 x i8> %y2v -} - -define i8 @ssub_scalar_maxval(i8 %a) { -; CHECK-LABEL: @ssub_scalar_maxval( -; CHECK-NEXT: [[Y3:%.*]] = call i8 @llvm.ssub.sat.i8(i8 [[A:%.*]], i8 127) -; CHECK-NEXT: ret i8 [[Y3]] -; - %y3 = call i8 @llvm.ssub.sat.i8(i8 %a, i8 127) - ret i8 %y3 -} - -define <2 x i8> @ssub_vector_maxval(<2 x i8> %a) { -; CHECK-LABEL: @ssub_vector_maxval( -; CHECK-NEXT: [[Y3V:%.*]] = call <2 x i8> @llvm.ssub.sat.v2i8(<2 x i8> [[A:%.*]], <2 x i8> <i8 127, i8 127>) -; CHECK-NEXT: ret <2 x i8> [[Y3V]] -; - %y3v = call <2 x i8> @llvm.ssub.sat.v2i8(<2 x i8> %a, <2 x i8> <i8 127, i8 127>) - ret <2 x i8> %y3v -} - -define i8 @ssub_scalar_undef(i8 %a) { -; CHECK-LABEL: @ssub_scalar_undef( -; CHECK-NEXT: ret i8 0 -; - %y4 = call i8 @llvm.ssub.sat.i8(i8 %a, i8 undef) - ret i8 %y4 -} - -define <2 x i8> @ssub_vector_undef(<2 x i8> %a) { -; CHECK-LABEL: @ssub_vector_undef( -; CHECK-NEXT: ret <2 x i8> zeroinitializer -; - %y4v = call <2 x i8> @llvm.ssub.sat.v2i8(<2 x i8> %a, <2 x i8> undef) - ret <2 x i8> %y4v -} - -define i8 @ssub_scalar_undef_commute(i8 %a) { -; CHECK-LABEL: @ssub_scalar_undef_commute( -; CHECK-NEXT: ret i8 0 -; - %y5 = call i8 @llvm.ssub.sat.i8(i8 undef, i8 %a) - ret i8 %y5 -} - -define <2 x i8> @ssub_vector_undef_commute(<2 x i8> %a) { -; CHECK-LABEL: @ssub_vector_undef_commute( -; CHECK-NEXT: ret <2 x i8> zeroinitializer -; - %y5v = call <2 x i8> @llvm.ssub.sat.v2i8(<2 x i8> <i8 undef, i8 undef>, <2 x i8> %a) - ret <2 x i8> %y5v -} - -define i8 @ssub_scalar_same(i8 %a) { -; CHECK-LABEL: @ssub_scalar_same( -; CHECK-NEXT: ret i8 0 -; - %y6 = call i8 @llvm.ssub.sat.i8(i8 %a, i8 %a) - ret i8 %y6 -} - -define <2 x i8> @ssub_vector_same(<2 x i8> %a) { -; CHECK-LABEL: @ssub_vector_same( -; CHECK-NEXT: ret <2 x i8> zeroinitializer -; - %y6v = call <2 x i8> @llvm.ssub.sat.v2i8(<2 x i8> %a, <2 x i8> %a) - ret <2 x i8> %y6v -} - -define i1 @uadd_icmp_op0_known(i8 %a) { -; CHECK-LABEL: @uadd_icmp_op0_known( -; CHECK-NEXT: ret i1 true -; - %b = call i8 @llvm.uadd.sat.i8(i8 10, i8 %a) - %c = icmp uge i8 %b, 10 - ret i1 %c -} - -define i1 @uadd_icmp_op0_unknown(i8 %a) { -; CHECK-LABEL: @uadd_icmp_op0_unknown( -; CHECK-NEXT: [[B:%.*]] = call i8 @llvm.uadd.sat.i8(i8 10, i8 [[A:%.*]]) -; CHECK-NEXT: [[C:%.*]] = icmp ugt i8 [[B]], 10 -; CHECK-NEXT: ret i1 [[C]] -; - %b = call i8 @llvm.uadd.sat.i8(i8 10, i8 %a) - %c = icmp ugt i8 %b, 10 - ret i1 %c -} - -define i1 @uadd_icmp_op1_known(i8 %a) { -; CHECK-LABEL: @uadd_icmp_op1_known( -; CHECK-NEXT: ret i1 true -; - %b = call i8 @llvm.uadd.sat.i8(i8 %a, i8 10) - %c = icmp uge i8 %b, 10 - ret i1 %c -} - -define i1 @uadd_icmp_op1_unknown(i8 %a) { -; CHECK-LABEL: @uadd_icmp_op1_unknown( -; CHECK-NEXT: [[B:%.*]] = call i8 @llvm.uadd.sat.i8(i8 [[A:%.*]], i8 10) -; CHECK-NEXT: [[C:%.*]] = icmp ugt i8 [[B]], 10 -; CHECK-NEXT: ret i1 [[C]] -; - %b = call i8 @llvm.uadd.sat.i8(i8 %a, i8 10) - %c = icmp ugt i8 %b, 10 - ret i1 %c -} - -define i1 @sadd_icmp_op0_pos_known(i8 %a) { -; CHECK-LABEL: @sadd_icmp_op0_pos_known( -; CHECK-NEXT: ret i1 true -; - %b = call i8 @llvm.sadd.sat.i8(i8 10, i8 %a) - %c = icmp sge i8 %b, -118 - ret i1 %c -} - -define i1 @sadd_icmp_op0_pos_unknown(i8 %a) { -; CHECK-LABEL: @sadd_icmp_op0_pos_unknown( -; CHECK-NEXT: [[B:%.*]] = call i8 @llvm.sadd.sat.i8(i8 10, i8 [[A:%.*]]) -; CHECK-NEXT: [[C:%.*]] = icmp sgt i8 [[B]], -118 -; CHECK-NEXT: ret i1 [[C]] -; - %b = call i8 @llvm.sadd.sat.i8(i8 10, i8 %a) - %c = icmp sgt i8 %b, -118 - ret i1 %c -} - -define i1 @sadd_icmp_op0_neg_known(i8 %a) { -; CHECK-LABEL: @sadd_icmp_op0_neg_known( -; CHECK-NEXT: ret i1 true -; - %b = call i8 @llvm.sadd.sat.i8(i8 -10, i8 %a) - %c = icmp sle i8 %b, 117 - ret i1 %c -} - -define i1 @sadd_icmp_op0_neg_unknown(i8 %a) { -; CHECK-LABEL: @sadd_icmp_op0_neg_unknown( -; CHECK-NEXT: [[B:%.*]] = call i8 @llvm.sadd.sat.i8(i8 -10, i8 [[A:%.*]]) -; CHECK-NEXT: [[C:%.*]] = icmp slt i8 [[B]], 117 -; CHECK-NEXT: ret i1 [[C]] -; - %b = call i8 @llvm.sadd.sat.i8(i8 -10, i8 %a) - %c = icmp slt i8 %b, 117 - ret i1 %c -} - -define i1 @sadd_icmp_op1_pos_known(i8 %a) { -; CHECK-LABEL: @sadd_icmp_op1_pos_known( -; CHECK-NEXT: ret i1 true -; - %b = call i8 @llvm.sadd.sat.i8(i8 %a, i8 10) - %c = icmp sge i8 %b, -118 - ret i1 %c -} - -define i1 @sadd_icmp_op1_pos_unknown(i8 %a) { -; CHECK-LABEL: @sadd_icmp_op1_pos_unknown( -; CHECK-NEXT: [[B:%.*]] = call i8 @llvm.sadd.sat.i8(i8 [[A:%.*]], i8 10) -; CHECK-NEXT: [[C:%.*]] = icmp sgt i8 [[B]], -118 -; CHECK-NEXT: ret i1 [[C]] -; - %b = call i8 @llvm.sadd.sat.i8(i8 %a, i8 10) - %c = icmp sgt i8 %b, -118 - ret i1 %c -} - -define i1 @sadd_icmp_op1_neg_known(i8 %a) { -; CHECK-LABEL: @sadd_icmp_op1_neg_known( -; CHECK-NEXT: ret i1 true -; - %b = call i8 @llvm.sadd.sat.i8(i8 %a, i8 -10) - %c = icmp sle i8 %b, 117 - ret i1 %c -} - -define i1 @sadd_icmp_op1_neg_unknown(i8 %a) { -; CHECK-LABEL: @sadd_icmp_op1_neg_unknown( -; CHECK-NEXT: [[B:%.*]] = call i8 @llvm.sadd.sat.i8(i8 [[A:%.*]], i8 -10) -; CHECK-NEXT: [[C:%.*]] = icmp slt i8 [[B]], 117 -; CHECK-NEXT: ret i1 [[C]] -; - %b = call i8 @llvm.sadd.sat.i8(i8 %a, i8 -10) - %c = icmp slt i8 %b, 117 - ret i1 %c -} - -define i1 @usub_icmp_op0_known(i8 %a) { -; CHECK-LABEL: @usub_icmp_op0_known( -; CHECK-NEXT: ret i1 true -; - %b = call i8 @llvm.usub.sat.i8(i8 10, i8 %a) - %c = icmp ule i8 %b, 10 - ret i1 %c -} - -define i1 @usub_icmp_op0_unknown(i8 %a) { -; CHECK-LABEL: @usub_icmp_op0_unknown( -; CHECK-NEXT: [[B:%.*]] = call i8 @llvm.usub.sat.i8(i8 10, i8 [[A:%.*]]) -; CHECK-NEXT: [[C:%.*]] = icmp ult i8 [[B]], 10 -; CHECK-NEXT: ret i1 [[C]] -; - %b = call i8 @llvm.usub.sat.i8(i8 10, i8 %a) - %c = icmp ult i8 %b, 10 - ret i1 %c -} - -define i1 @usub_icmp_op1_known(i8 %a) { -; CHECK-LABEL: @usub_icmp_op1_known( -; CHECK-NEXT: ret i1 true -; - %b = call i8 @llvm.usub.sat.i8(i8 %a, i8 10) - %c = icmp ule i8 %b, 245 - ret i1 %c -} - -define i1 @usub_icmp_op1_unknown(i8 %a) { -; CHECK-LABEL: @usub_icmp_op1_unknown( -; CHECK-NEXT: [[B:%.*]] = call i8 @llvm.usub.sat.i8(i8 [[A:%.*]], i8 10) -; CHECK-NEXT: [[C:%.*]] = icmp ult i8 [[B]], -11 -; CHECK-NEXT: ret i1 [[C]] -; - %b = call i8 @llvm.usub.sat.i8(i8 %a, i8 10) - %c = icmp ult i8 %b, 245 - ret i1 %c -} - -define i1 @ssub_icmp_op0_pos_known(i8 %a) { -; CHECK-LABEL: @ssub_icmp_op0_pos_known( -; CHECK-NEXT: ret i1 true -; - %b = call i8 @llvm.ssub.sat.i8(i8 10, i8 %a) - %c = icmp sge i8 %b, -117 - ret i1 %c -} - -define i1 @ssub_icmp_op0_pos_unknown(i8 %a) { -; CHECK-LABEL: @ssub_icmp_op0_pos_unknown( -; CHECK-NEXT: [[B:%.*]] = call i8 @llvm.ssub.sat.i8(i8 10, i8 [[A:%.*]]) -; CHECK-NEXT: [[C:%.*]] = icmp sgt i8 [[B]], -117 -; CHECK-NEXT: ret i1 [[C]] -; - %b = call i8 @llvm.ssub.sat.i8(i8 10, i8 %a) - %c = icmp sgt i8 %b, -117 - ret i1 %c -} - -define i1 @ssub_icmp_op0_neg_known(i8 %a) { -; CHECK-LABEL: @ssub_icmp_op0_neg_known( -; CHECK-NEXT: ret i1 true -; - %b = call i8 @llvm.ssub.sat.i8(i8 -10, i8 %a) - %c = icmp sle i8 %b, 118 - ret i1 %c -} - -define i1 @ssub_icmp_op0_neg_unknown(i8 %a) { -; CHECK-LABEL: @ssub_icmp_op0_neg_unknown( -; CHECK-NEXT: [[B:%.*]] = call i8 @llvm.ssub.sat.i8(i8 -10, i8 [[A:%.*]]) -; CHECK-NEXT: [[C:%.*]] = icmp slt i8 [[B]], 118 -; CHECK-NEXT: ret i1 [[C]] -; - %b = call i8 @llvm.ssub.sat.i8(i8 -10, i8 %a) - %c = icmp slt i8 %b, 118 - ret i1 %c -} - -; Peculiar case: ssub.sat(0, x) is never signed min. -define i1 @ssub_icmp_op0_zero(i8 %a) { -; CHECK-LABEL: @ssub_icmp_op0_zero( -; CHECK-NEXT: ret i1 true -; - %b = call i8 @llvm.ssub.sat.i8(i8 0, i8 %a) - %c = icmp ne i8 %b, -128 - ret i1 %c -} - -define i1 @ssub_icmp_op1_pos_known(i8 %a) { -; CHECK-LABEL: @ssub_icmp_op1_pos_known( -; CHECK-NEXT: ret i1 true -; - %b = call i8 @llvm.ssub.sat.i8(i8 %a, i8 10) - %c = icmp sle i8 %b, 117 - ret i1 %c -} - -define i1 @ssub_icmp_op1_pos_unknown(i8 %a) { -; CHECK-LABEL: @ssub_icmp_op1_pos_unknown( -; CHECK-NEXT: [[B:%.*]] = call i8 @llvm.ssub.sat.i8(i8 [[A:%.*]], i8 10) -; CHECK-NEXT: [[C:%.*]] = icmp slt i8 [[B]], 117 -; CHECK-NEXT: ret i1 [[C]] -; - %b = call i8 @llvm.ssub.sat.i8(i8 %a, i8 10) - %c = icmp slt i8 %b, 117 - ret i1 %c -} - -define i1 @ssub_icmp_op1_neg_known(i8 %a) { -; CHECK-LABEL: @ssub_icmp_op1_neg_known( -; CHECK-NEXT: ret i1 true -; - %b = call i8 @llvm.ssub.sat.i8(i8 %a, i8 -10) - %c = icmp sge i8 %b, -118 - ret i1 %c -} - -define i1 @ssub_icmp_op1_neg_unknown(i8 %a) { -; CHECK-LABEL: @ssub_icmp_op1_neg_unknown( -; CHECK-NEXT: [[B:%.*]] = call i8 @llvm.ssub.sat.i8(i8 [[A:%.*]], i8 -10) -; CHECK-NEXT: [[C:%.*]] = icmp sgt i8 [[B]], -118 -; CHECK-NEXT: ret i1 [[C]] -; - %b = call i8 @llvm.ssub.sat.i8(i8 %a, i8 -10) - %c = icmp sgt i8 %b, -118 - ret i1 %c -} - -define i1 @ssub_icmp_op1_smin(i8 %a) { -; CHECK-LABEL: @ssub_icmp_op1_smin( -; CHECK-NEXT: ret i1 true -; - %b = call i8 @llvm.ssub.sat.i8(i8 %a, i8 -128) - %c = icmp sge i8 %b, 0 - ret i1 %c -} |
