1 ; RUN: llc < %s -march=x86 -mcpu=penryn | FileCheck %s 2 3 ; Shows a dag combine bug that will generate an illegal build vector 4 ; with v2i64 build_vector i32, i32. 5 6 ; CHECK-LABEL: test: 7 ; CHECK: unpcklpd 8 ; CHECK: movapd 9 define void @test(<2 x double>* %dst, <4 x double> %src) nounwind { 10 entry: 11 %tmp7.i = shufflevector <4 x double> %src, <4 x double> undef, <2 x i32> < i32 0, i32 2 > 12 store <2 x double> %tmp7.i, <2 x double>* %dst 13 ret void 14 } 15 16 ; CHECK-LABEL: test2: 17 ; CHECK: movdqa 18 define void @test2(<4 x i16>* %src, <4 x i32>* %dest) nounwind { 19 entry: 20 %tmp1 = load <4 x i16>, <4 x i16>* %src 21 %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> 22 %0 = tail call <4 x i32> @llvm.x86.sse41.pmovzxwd(<8 x i16> %tmp3) 23 store <4 x i32> %0, <4 x i32>* %dest 24 ret void 25 } 26 27 declare <4 x i32> @llvm.x86.sse41.pmovzxwd(<8 x i16>) nounwind readnone 28
