diff options
Diffstat (limited to 'llvm/test/Transforms')
| -rw-r--r-- | llvm/test/Transforms/InstCombine/fneg.ll | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/llvm/test/Transforms/InstCombine/fneg.ll b/llvm/test/Transforms/InstCombine/fneg.ll index df1d5f570db..84cc981566f 100644 --- a/llvm/test/Transforms/InstCombine/fneg.ll +++ b/llvm/test/Transforms/InstCombine/fneg.ll @@ -156,3 +156,49 @@ define <4 x double> @fdiv_op0_constant_fneg_vec(<4 x double> %x) { ret <4 x double> %r } +; Actual fneg instructions. + +define float @fneg_constant() { +; CHECK-LABEL: @fneg_constant( +; CHECK-NEXT: [[R:%.*]] = fneg float -0.000000e+00 +; CHECK-NEXT: ret float [[R]] +; + %r = fneg float -0.0 + ret float %r +} + +define float @fneg_undef() { +; CHECK-LABEL: @fneg_undef( +; CHECK-NEXT: [[R:%.*]] = fneg float undef +; CHECK-NEXT: ret float [[R]] +; + %r = fneg float undef + ret float %r +} + +define <4 x float> @fneg_constant_elts_v4f32() { +; CHECK-LABEL: @fneg_constant_elts_v4f32( +; CHECK-NEXT: [[R:%.*]] = fneg <4 x float> <float -0.000000e+00, float 0.000000e+00, float -1.000000e+00, float 1.000000e+00> +; CHECK-NEXT: ret <4 x float> [[R]] +; + %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: [[R:%.*]] = fneg <4 x float> <float -0.000000e+00, float undef, float undef, float 1.000000e+00> +; CHECK-NEXT: ret <4 x float> [[R]] +; + %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: [[R:%.*]] = fneg <4 x float> undef +; CHECK-NEXT: ret <4 x float> [[R]] +; + %r = fneg <4 x float> <float undef, float undef, float undef, float undef> + ret <4 x float> %r +} |
