1 ; RUN: llc < %s -march=x86 -mattr=sse41 -o %t 2 ; RUN: grep pshufhw %t | grep -- -95 | count 1 3 ; RUN: grep shufps %t | count 1 4 ; RUN: not grep pslldq %t 5 6 ; Test case when creating pshufhw, we incorrectly set the higher order bit 7 ; for an undef, 8 define void @test(<8 x i16>* %dest, <8 x i16> %in) nounwind { 9 entry: 10 %0 = load <8 x i16>* %dest 11 %1 = shufflevector <8 x i16> %0, <8 x i16> %in, <8 x i32> < i32 0, i32 1, i32 2, i32 3, i32 13, i32 undef, i32 14, i32 14> 12 store <8 x i16> %1, <8 x i16>* %dest 13 ret void 14 } 15 16 ; A test case where we shouldn't generate a punpckldq but a pshufd and a pslldq 17 define void @test2(<4 x i32>* %dest, <4 x i32> %in) nounwind { 18 entry: 19 %0 = shufflevector <4 x i32> %in, <4 x i32> <i32 0, i32 0, i32 0, i32 0>, <4 x i32> < i32 undef, i32 5, i32 undef, i32 2> 20 store <4 x i32> %0, <4 x i32>* %dest 21 ret void 22 } 23
