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[x86] Add a test case for PR22390 which was a dup of PR22377 and fixed

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by r229285. This is a nice different test case though, so I'd like to
have the extra testing of these kinds of patterns.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@229286 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chandler Carruth 2015-02-15 07:05:50 +00:00
parent 5ee516549f
commit 8e8b9bd42f
1 changed files with 40 additions and 1 deletions
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41
test/CodeGen/X86/vector-shuffle-combining.ll
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@ -2538,7 +2538,7 @@ define <4 x float> @combine_insertps4(<4 x float> %a, <4 x float> %b) {
ret <4 x float> %d
}
define <4 x float> @PR22377(<4 x float> %a, <4 x float> %b) #0 {
define <4 x float> @PR22377(<4 x float> %a, <4 x float> %b) {
; SSE-LABEL: PR22377:
; SSE: # BB#0: # %entry
; SSE-NEXT: movaps %xmm0, %xmm1
@ -2562,3 +2562,42 @@ entry:
%s3 = shufflevector <4 x float> %s2, <4 x float> %r2, <4 x i32> <i32 0, i32 4, i32 1, i32 5>
ret <4 x float> %s3
}
define <4 x float> @PR22390(<4 x float> %a, <4 x float> %b) {
; SSE2-LABEL: PR22390:
; SSE2: # BB#0: # %entry
; SSE2-NEXT: shufps {{.*#+}} xmm0 = xmm0[3,0,1,2]
; SSE2-NEXT: movaps %xmm0, %xmm2
; SSE2-NEXT: movss {{.*#+}} xmm2 = xmm1[0],xmm2[1,2,3]
; SSE2-NEXT: addps %xmm0, %xmm2
; SSE2-NEXT: movaps %xmm2, %xmm0
; SSE2-NEXT: retq
;
; SSSE3-LABEL: PR22390:
; SSSE3: # BB#0: # %entry
; SSSE3-NEXT: shufps {{.*#+}} xmm0 = xmm0[3,0,1,2]
; SSSE3-NEXT: movaps %xmm0, %xmm2
; SSSE3-NEXT: movss {{.*#+}} xmm2 = xmm1[0],xmm2[1,2,3]
; SSSE3-NEXT: addps %xmm0, %xmm2
; SSSE3-NEXT: movaps %xmm2, %xmm0
; SSSE3-NEXT: retq
;
; SSE41-LABEL: PR22390:
; SSE41: # BB#0: # %entry
; SSE41-NEXT: shufps {{.*#+}} xmm0 = xmm0[3,0,1,2]
; SSE41-NEXT: blendps {{.*#+}} xmm1 = xmm1[0],xmm0[1,2,3]
; SSE41-NEXT: addps %xmm1, %xmm0
; SSE41-NEXT: retq
;
; AVX-LABEL: PR22390:
; AVX: # BB#0: # %entry
; AVX-NEXT: vpermilps {{.*#+}} xmm0 = xmm0[3,0,1,2]
; AVX-NEXT: vblendps {{.*#+}} xmm1 = xmm1[0],xmm0[1,2,3]
; AVX-NEXT: vaddps %xmm1, %xmm0, %xmm0
; AVX-NEXT: retq
entry:
%s1 = shufflevector <4 x float> %a, <4 x float> undef, <4 x i32> <i32 3, i32 0, i32 1, i32 2>
%s2 = shufflevector <4 x float> %s1, <4 x float> %b, <4 x i32> <i32 4, i32 1, i32 2, i32 3>
%r2 = fadd <4 x float> %s1, %s2
ret <4 x float> %r2
}