diff options
Diffstat (limited to 'test/CodeGen/X86/dagcombine-buildvector.ll')
| -rw-r--r-- | test/CodeGen/X86/dagcombine-buildvector.ll | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/test/CodeGen/X86/dagcombine-buildvector.ll b/test/CodeGen/X86/dagcombine-buildvector.ll index c89a296..b96fdfc 100644 --- a/test/CodeGen/X86/dagcombine-buildvector.ll +++ b/test/CodeGen/X86/dagcombine-buildvector.ll @@ -1,13 +1,25 @@ -; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2 -o %t -f +; RUN: llvm-as < %s | llc -march=x86 -mcpu=penryn -disable-mmx -o %t -f ; RUN: grep unpcklpd %t | count 1 ; RUN: grep movapd %t | count 1 +; RUN: grep movaps %t | count 1 ; Shows a dag combine bug that will generate an illegal build vector ; with v2i64 build_vector i32, i32. -define void @test(<2 x double>* %dst, <4 x double> %src) { +define void @test(<2 x double>* %dst, <4 x double> %src) nounwind { entry: %tmp7.i = shufflevector <4 x double> %src, <4 x double> undef, <2 x i32> < i32 0, i32 2 > store <2 x double> %tmp7.i, <2 x double>* %dst ret void } + +define void @test2(<4 x i16>* %src, <4 x i32>* %dest) nounwind { +entry: + %tmp1 = load <4 x i16>* %src + %tmp3 = shufflevector <4 x i16> %tmp1, <4 x i16> undef, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 undef, i32 undef, i32 undef, i32 undef> + %0 = tail call <4 x i32> @llvm.x86.sse41.pmovzxwd(<8 x i16> %tmp3) + store <4 x i32> %0, <4 x i32>* %dest + ret void +} + +declare <4 x i32> @llvm.x86.sse41.pmovzxwd(<8 x i16>) nounwind readnone |