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; These are tests for SSE3 codegen. Yonah has SSE3 and earlier but not SSSE3+.
; RUN: llvm-as < %s | llc -march=x86-64 -mcpu=yonah | FileCheck %s --check-prefix=X64
; Test for v8xi16 lowering where we extract the first element of the vector and
; placed it in the second element of the result.
define void @shuf1(<8 x i16>* %dest, <8 x i16>* %old) nounwind {
entry:
%tmp3 = load <8 x i16>* %old
%tmp6 = shufflevector <8 x i16> %tmp3,
<8 x i16> < i16 0, i16 undef, i16 undef, i16 undef, i16 undef, i16 undef, i16 undef, i16 undef >,
<8 x i32> < i32 8, i32 0, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef >
store <8 x i16> %tmp6, <8 x i16>* %dest
ret void
; X64: shuf1:
; X64: movddup (%rsi), %xmm0
; X64: pshuflw $0, %xmm0, %xmm0
; X64: xorl %eax, %eax
; X64: pinsrw $0, %eax, %xmm0
; X64: movaps %xmm0, (%rdi)
; X64: ret
}
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