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

zero for v8i16 as well.

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

llvm-svn: 228126
This commit is contained in:
Chandler Carruth 2015-02-04 09:15:46 +00:00
parent 2ea54bcb28
commit 18ba596609
1 changed files with 66 additions and 0 deletions
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66
llvm/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>
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
}