| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt < %s -instsimplify -S | FileCheck %s |
| |
| define float @fneg_constant() { |
| ; CHECK-LABEL: @fneg_constant( |
| ; CHECK-NEXT: ret float 0.000000e+00 |
| ; |
| %r = fneg float -0.0 |
| ret float %r |
| } |
| |
| define float @fneg_undef() { |
| ; CHECK-LABEL: @fneg_undef( |
| ; CHECK-NEXT: ret float undef |
| ; |
| %r = fneg float undef |
| ret float %r |
| } |
| |
| define <4 x float> @fneg_constant_elts_v4f32() { |
| ; CHECK-LABEL: @fneg_constant_elts_v4f32( |
| ; CHECK-NEXT: ret <4 x float> <float 0.000000e+00, float -0.000000e+00, float 1.000000e+00, float -1.000000e+00> |
| ; |
| %r = fneg <4 x float> <float -0.0, float 0.0, float -1.0, float 1.0> |
| ret <4 x float> %r |
| } |
| |
| define <4 x float> @fneg_constant_undef_elts_v4f32() { |
| ; CHECK-LABEL: @fneg_constant_undef_elts_v4f32( |
| ; CHECK-NEXT: ret <4 x float> <float 0.000000e+00, float undef, float undef, float -1.000000e+00> |
| ; |
| %r = fneg <4 x float> <float -0.0, float undef, float undef, float 1.0> |
| ret <4 x float> %r |
| } |
| |
| define <4 x float> @fneg_constant_all_undef_elts_v4f32() { |
| ; CHECK-LABEL: @fneg_constant_all_undef_elts_v4f32( |
| ; CHECK-NEXT: ret <4 x float> undef |
| ; |
| %r = fneg <4 x float> <float undef, float undef, float undef, float undef> |
| ret <4 x float> %r |
| } |
