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[x86] add haddps test for PR34111; NFC 

llvm-svn: 311852
This commit is contained in:
Sanjay Patel 2017-08-27 17:15:49 +00:00
parent 5f5b29dd22
commit 4e4ba615b2
1 changed files with 25 additions and 0 deletions
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25
llvm/test/CodeGen/X86/haddsub.ll
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@ -397,3 +397,28 @@ define <2 x float> @haddps_v2f32(<4 x float> %v0) {
%res1 = insertelement <2 x float> %res0, float %op1, i32 1
ret <2 x float> %res1
}
define <4 x float> @PR34111(<4 x float> %a) {
; SSE3-LABEL: PR34111:
; SSE3: # BB#0:
; SSE3-NEXT: movaps %xmm0, %xmm1
; SSE3-NEXT: shufps {{.*#+}} xmm1 = xmm1[0,2,2,3]
; SSE3-NEXT: shufps {{.*#+}} xmm0 = xmm0[1,3,2,3]
; SSE3-NEXT: addps %xmm1, %xmm0
; SSE3-NEXT: movddup {{.*#+}} xmm0 = xmm0[0,0]
; SSE3-NEXT: retq
;
; AVX-LABEL: PR34111:
; AVX: # BB#0:
; AVX-NEXT: vpermilps {{.*#+}} xmm1 = xmm0[0,2,2,3]
; AVX-NEXT: vpermilps {{.*#+}} xmm0 = xmm0[1,3,2,3]
; AVX-NEXT: vaddps %xmm0, %xmm1, %xmm0
; AVX-NEXT: vmovddup {{.*#+}} xmm0 = xmm0[0,0]
; AVX-NEXT: retq
%a02 = shufflevector <4 x float> %a, <4 x float> undef, <2 x i32> <i32 0, i32 2>
%a13 = shufflevector <4 x float> %a, <4 x float> undef, <2 x i32> <i32 1, i32 3>
%add = fadd <2 x float> %a02, %a13
%hadd = shufflevector <2 x float> %add, <2 x float> undef, <4 x i32> <i32 undef, i32 undef, i32 0, i32 1>
ret <4 x float> %hadd
}