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[x86] Add some tests I missed in the prior commit to cover blends with

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zero for v8i16 as well.

These exhibit the same domain badness, but also exhibit other weaknesses
in our blend lowering. More fixes to come.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@228126 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chandler Carruth
2015-02-04 09:15:46 +00:00
parent da681cc578
commit 82b686e611
1 changed files with 66 additions and 0 deletions
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66
test/CodeGen/X86/vector-shuffle-128-v8.ll
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@@ -2046,3 +2046,69 @@ define <8 x i16> @shuffle_v8i16_01u3zzuz(<8 x i16> %a) {
%shuffle = shufflevector <8 x i16> %a, <8 x i16> zeroinitializer, <8 x i32> <i32 0, i32 1, i32 undef, i32 3, i32 8, i32 8, i32 undef, i32 8> %shuffle = shufflevector <8 x i16> %a, <8 x i16> zeroinitializer, <8 x i32> <i32 0, i32 1, i32 undef, i32 3, i32 8, i32 8, i32 undef, i32 8>
ret <8 x i16> %shuffle ret <8 x i16> %shuffle
} }
define <8 x i16> @shuffle_v8i16_0z234567(<8 x i16> %a) {
; SSE2-LABEL: shuffle_v8i16_0z234567:
; SSE2: # BB#0:
; SSE2-NEXT: andps {{.*}}(%rip), %xmm0
; SSE2-NEXT: retq
;
; SSSE3-LABEL: shuffle_v8i16_0z234567:
; SSSE3: # BB#0:
; SSSE3-NEXT: andps {{.*}}(%rip), %xmm0
; SSSE3-NEXT: retq
;
; SSE41-LABEL: shuffle_v8i16_0z234567:
; SSE41: # BB#0:
; SSE41-NEXT: pxor %xmm1, %xmm1
; SSE41-NEXT: pblendw {{.*#+}} xmm0 = xmm0[0],xmm1[1],xmm0[2,3,4,5,6,7]
; SSE41-NEXT: retq
;
; AVX-LABEL: shuffle_v8i16_0z234567:
; AVX: # BB#0:
; AVX-NEXT: vpxor %xmm1, %xmm1, %xmm1
; AVX-NEXT: vpblendw {{.*#+}} xmm0 = xmm0[0],xmm1[1],xmm0[2,3,4,5,6,7]
; AVX-NEXT: retq
%shuffle = shufflevector <8 x i16> %a, <8 x i16> zeroinitializer, <8 x i32> <i32 0, i32 9, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
ret <8 x i16> %shuffle
}
define <8 x i16> @shuffle_v8i16_0zzzz5z7(<8 x i16> %a) {
; SSE-LABEL: shuffle_v8i16_0zzzz5z7:
; SSE: # BB#0:
; SSE-NEXT: andps {{.*}}(%rip), %xmm0
; SSE-NEXT: retq
;
; AVX-LABEL: shuffle_v8i16_0zzzz5z7:
; AVX: # BB#0:
; AVX-NEXT: vandps {{.*}}(%rip), %xmm0, %xmm0
; AVX-NEXT: retq
%shuffle = shufflevector <8 x i16> %a, <8 x i16> zeroinitializer, <8 x i32> <i32 0, i32 8, i32 8, i32 8, i32 8, i32 5, i32 8, i32 7>
ret <8 x i16> %shuffle
}
define <8 x i16> @shuffle_v8i16_0123456z(<8 x i16> %a) {
; SSE2-LABEL: shuffle_v8i16_0123456z:
; SSE2: # BB#0:
; SSE2-NEXT: andps {{.*}}(%rip), %xmm0
; SSE2-NEXT: retq
;
; SSSE3-LABEL: shuffle_v8i16_0123456z:
; SSSE3: # BB#0:
; SSSE3-NEXT: andps {{.*}}(%rip), %xmm0
; SSSE3-NEXT: retq
;
; SSE41-LABEL: shuffle_v8i16_0123456z:
; SSE41: # BB#0:
; SSE41-NEXT: pxor %xmm1, %xmm1
; SSE41-NEXT: pblendw {{.*#+}} xmm0 = xmm0[0],xmm1[1],xmm0[2,3,4,5,6],xmm1[7]
; SSE41-NEXT: retq
;
; AVX-LABEL: shuffle_v8i16_0123456z:
; AVX: # BB#0:
; AVX-NEXT: vpxor %xmm1, %xmm1, %xmm1
; AVX-NEXT: vpblendw {{.*#+}} xmm0 = xmm0[0],xmm1[1],xmm0[2,3,4,5,6],xmm1[7]
; AVX-NEXT: retq
%shuffle = shufflevector <8 x i16> %a, <8 x i16> zeroinitializer, <8 x i32> <i32 0, i32 9, i32 2, i32 3, i32 4, i32 5, i32 6, i32 15>
ret <8 x i16> %shuffle
}