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[X86][AVX2] Add shuffle test for PR27320 showing current codegen. 

llvm-svn: 301342
This commit is contained in:
Simon Pilgrim 2017-04-25 18:00:04 +00:00
parent 09a5878d33
commit 58641e4529
1 changed files with 26 additions and 0 deletions
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26
llvm/test/CodeGen/X86/vector-shuffle-combining-avx2.ll
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@ -879,3 +879,29 @@ define <32 x i8> @constant_fold_pshufb_256() {
%1 = tail call <32 x i8> @llvm.x86.avx2.pshuf.b(<32 x i8> <i8 15, i8 14, i8 13, i8 12, i8 11, i8 10, i8 9, i8 8, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 0, i8 -1, i8 -2, i8 -3, i8 -4, i8 -5, i8 -6, i8 -7, i8 -8, i8 -9, i8 -10, i8 -11, i8 -12, i8 -13, i8 -14, i8 -15>, <32 x i8> <i8 1, i8 -1, i8 -1, i8 -1, i8 undef, i8 undef, i8 -1, i8 -1, i8 15, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 7, i8 6, i8 1, i8 -1, i8 -1, i8 -1, i8 undef, i8 undef, i8 -1, i8 -1, i8 15, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 7, i8 6>)
ret <32 x i8> %1
}
define <32 x i8> @PR27320(<8 x i32> %a0) {
; X32-LABEL: PR27320:
; X32: # BB#0:
; X32-NEXT: vpshufb {{.*#+}} xmm1 = xmm0[12,13,13,14,15],zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero
; X32-NEXT: vextracti128 $1, %ymm0, %xmm2
; X32-NEXT: vpshufb {{.*#+}} xmm2 = zero,zero,zero,zero,zero,xmm2[0,0,1,2,3,3,4,5,6,6,7]
; X32-NEXT: vpor %xmm1, %xmm2, %xmm1
; X32-NEXT: vpshufb {{.*#+}} xmm0 = xmm0[0,1,1,2,3,4,4,5,6,7,7,8,9,10,10,11]
; X32-NEXT: vinserti128 $1, %xmm1, %ymm0, %ymm0
; X32-NEXT: retl
;
; X64-LABEL: PR27320:
; X64: # BB#0:
; X64-NEXT: vpshufb {{.*#+}} xmm1 = xmm0[12,13,13,14,15],zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero
; X64-NEXT: vextracti128 $1, %ymm0, %xmm2
; X64-NEXT: vpshufb {{.*#+}} xmm2 = zero,zero,zero,zero,zero,xmm2[0,0,1,2,3,3,4,5,6,6,7]
; X64-NEXT: vpor %xmm1, %xmm2, %xmm1
; X64-NEXT: vpshufb {{.*#+}} xmm0 = xmm0[0,1,1,2,3,4,4,5,6,7,7,8,9,10,10,11]
; X64-NEXT: vinserti128 $1, %xmm1, %ymm0, %ymm0
; X64-NEXT: retq
%1 = shufflevector <8 x i32> %a0, <8 x i32> undef, <8 x i32> <i32 0, i32 1, i32 2, i32 undef, i32 3, i32 4, i32 5, i32 undef>
%2 = bitcast <8 x i32> %1 to <32 x i8>
%3 = shufflevector <32 x i8> %2, <32 x i8> undef, <32 x i32> <i32 0, i32 1, i32 1, i32 2, i32 3, i32 4, i32 4, i32 5, i32 6, i32 7, i32 7, i32 8, i32 9, i32 10, i32 10, i32 11, i32 16, i32 17, i32 17, i32 18, i32 19, i32 20, i32 20, i32 21, i32 22, i32 23, i32 23, i32 24, i32 25, i32 26, i32 26, i32 27>
ret <32 x i8> %3
}