diff options
Diffstat (limited to 'llvm/test/CodeGen/X86/avx-blend.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/avx-blend.ll | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/avx-blend.ll b/llvm/test/CodeGen/X86/avx-blend.ll index 4d4f6c1a03a..e21c7a07e8b 100644 --- a/llvm/test/CodeGen/X86/avx-blend.ll +++ b/llvm/test/CodeGen/X86/avx-blend.ll @@ -135,3 +135,26 @@ define <2 x double> @testb(<2 x double> %x, <2 x double> %y) { %min = select <2 x i1> %min_is_x, <2 x double> %x, <2 x double> %y ret <2 x double> %min } + +; If we can figure out a blend has a constant mask, we should emit the +; blend instruction with an immediate mask +define <4 x double> @constant_blendvpd_avx(<4 x double> %xy, <4 x double> %ab) { +; CHECK-LABEL: constant_blendvpd_avx: +; CHECK-NOT: mov +; CHECK: vblendpd +; CHECK: ret + %1 = select <4 x i1> <i1 false, i1 false, i1 true, i1 false>, <4 x double> %xy, <4 x double> %ab + ret <4 x double> %1 +} + +define <8 x float> @constant_blendvps_avx(<8 x float> %xyzw, <8 x float> %abcd) { +; CHECK-LABEL: constant_blendvps_avx: +; CHECK-NOT: mov +; CHECK: vblendps +; CHECK: ret + %1 = select <8 x i1> <i1 false, i1 false, i1 false, i1 true, i1 false, i1 false, i1 false, i1 true>, <8 x float> %xyzw, <8 x float> %abcd + ret <8 x float> %1 +} + +declare <8 x float> @llvm.x86.avx.blendv.ps.256(<8 x float>, <8 x float>, <8 x float>) +declare <4 x double> @llvm.x86.avx.blendv.pd.256(<4 x double>, <4 x double>, <4 x double>) |
