| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt < %s -instcombine -S | FileCheck %s |
| |
| declare double @llvm.cos.f64(double %Val) |
| declare float @llvm.cos.f32(float %Val) |
| declare <2 x float> @llvm.cos.v2f32(<2 x float> %Val) |
| |
| declare float @llvm.fabs.f32(float %Val) |
| declare <2 x float> @llvm.fabs.v2f32(<2 x float> %Val) |
| |
| define double @undef_arg() { |
| ; CHECK-LABEL: @undef_arg( |
| ; CHECK-NEXT: ret double 0.000000e+00 |
| ; |
| %r = call double @llvm.cos.f64(double undef) |
| ret double %r |
| } |
| |
| define float @undef_arg2(float %d) { |
| ; CHECK-LABEL: @undef_arg2( |
| ; CHECK-NEXT: [[COSVAL:%.*]] = call float @llvm.cos.f32(float [[D:%.*]]) |
| ; CHECK-NEXT: [[FSUM:%.*]] = fadd float [[COSVAL]], 0.000000e+00 |
| ; CHECK-NEXT: ret float [[FSUM]] |
| ; |
| %cosval = call float @llvm.cos.f32(float %d) |
| %cosval2 = call float @llvm.cos.f32(float undef) |
| %fsum = fadd float %cosval2, %cosval |
| ret float %fsum |
| } |
| |
| define float @fneg_f32(float %x) { |
| ; CHECK-LABEL: @fneg_f32( |
| ; CHECK-NEXT: [[COS:%.*]] = call float @llvm.cos.f32(float [[X:%.*]]) |
| ; CHECK-NEXT: ret float [[COS]] |
| ; |
| %x.fneg = fsub float -0.0, %x |
| %cos = call float @llvm.cos.f32(float %x.fneg) |
| ret float %cos |
| } |
| |
| define <2 x float> @fneg_v2f32(<2 x float> %x) { |
| ; CHECK-LABEL: @fneg_v2f32( |
| ; CHECK-NEXT: [[COS:%.*]] = call <2 x float> @llvm.cos.v2f32(<2 x float> [[X:%.*]]) |
| ; CHECK-NEXT: ret <2 x float> [[COS]] |
| ; |
| %x.fneg = fsub <2 x float> <float -0.0, float -0.0>, %x |
| %cos = call <2 x float> @llvm.cos.v2f32(<2 x float> %x.fneg) |
| ret <2 x float> %cos |
| } |
| |
| define float @fabs_f32(float %x) { |
| ; CHECK-LABEL: @fabs_f32( |
| ; CHECK-NEXT: [[COS:%.*]] = call float @llvm.cos.f32(float [[X:%.*]]) |
| ; CHECK-NEXT: ret float [[COS]] |
| ; |
| %x.fabs = call float @llvm.fabs.f32(float %x) |
| %cos = call float @llvm.cos.f32(float %x.fabs) |
| ret float %cos |
| } |
| |
| define float @fabs_fneg_f32(float %x) { |
| ; CHECK-LABEL: @fabs_fneg_f32( |
| ; CHECK-NEXT: [[COS:%.*]] = call float @llvm.cos.f32(float [[X:%.*]]) |
| ; CHECK-NEXT: ret float [[COS]] |
| ; |
| %x.fabs = call float @llvm.fabs.f32(float %x) |
| %x.fabs.fneg = fsub float -0.0, %x.fabs |
| %cos = call float @llvm.cos.f32(float %x.fabs.fneg) |
| ret float %cos |
| } |
| |
| define <2 x float> @fabs_fneg_v2f32(<2 x float> %x) { |
| ; CHECK-LABEL: @fabs_fneg_v2f32( |
| ; CHECK-NEXT: [[COS:%.*]] = call <2 x float> @llvm.cos.v2f32(<2 x float> [[X:%.*]]) |
| ; CHECK-NEXT: ret <2 x float> [[COS]] |
| ; |
| %x.fabs = call <2 x float> @llvm.fabs.v2f32(<2 x float> %x) |
| %x.fabs.fneg = fsub <2 x float> <float -0.0, float -0.0>, %x.fabs |
| %cos = call <2 x float> @llvm.cos.v2f32(<2 x float> %x.fabs.fneg) |
| ret <2 x float> %cos |
| } |
| |