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[X86] Add test case for missed opportunity to use MOVLPS on the SSE1 only targets. 

llvm-svn: 337319
This commit is contained in:
Craig Topper 2018-07-17 20:16:15 +00:00
parent 5391bb62fb
commit c0f2e306f2
1 changed files with 12 additions and 0 deletions
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12
llvm/test/CodeGen/X86/vector-shuffle-sse1.ll
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@ -294,3 +294,15 @@ define <4 x float> @shuffle_mem_v4f32_6723(<4 x float> %a, <4 x float>* %pb) {
%shuffle = shufflevector <4 x float> %a, <4 x float> %b, <4 x i32> <i32 6, i32 7, i32 2, i32 3>
ret <4 x float> %shuffle
}
define <4 x float> @shuffle_mem_v4f32_4523(<4 x float> %a, <4 x float>* %pb) {
; SSE1-LABEL: shuffle_mem_v4f32_4523:
; SSE1: # %bb.0:
; SSE1-NEXT: movaps (%rdi), %xmm1
; SSE1-NEXT: shufps {{.*#+}} xmm1 = xmm1[0,1],xmm0[2,3]
; SSE1-NEXT: movaps %xmm1, %xmm0
; SSE1-NEXT: retq
%b = load <4 x float>, <4 x float>* %pb, align 16
%shuffle = shufflevector <4 x float> %a, <4 x float> %b, <4 x i32> <i32 4, i32 5, i32 2, i32 3>
ret <4 x float> %shuffle
}