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[AVX-512] Add an example test case for PR31018.

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llvm-svn: 286934
This commit is contained in:
Craig Topper 2016-11-15 05:21:55 +00:00
parent e8e17d6b67
commit b1a1f85eb1
1 changed files with 13 additions and 0 deletions
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13
test/CodeGen/X86/vector-shuffle-512-v16.ll
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@ -356,3 +356,16 @@ define <16 x i32> @shuffle_v16i32_01_02_03_04_05_06_07_08_09_10_11_12_13_14_15_0
%shuffle = shufflevector <16 x i32> %a, <16 x i32> undef, <16 x i32><i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15, i32 0>
ret <16 x i32> %shuffle
}
define <16 x i32> @mask_shuffle_v16i32_02_03_04_05_06_07_08_09_10_11_12_13_14_15_00_01(<16 x i32> %a, <16 x i32> %passthru, i16 %mask) {
; ALL-LABEL: mask_shuffle_v16i32_02_03_04_05_06_07_08_09_10_11_12_13_14_15_00_01:
; ALL: # BB#0:
; ALL-NEXT: valignq {{.*#+}} zmm0 = zmm0[1,2,3,4,5,6,7,0]
; ALL-NEXT: kmovw %edi, %k1
; ALL-NEXT: vpblendmd %zmm0, %zmm1, %zmm0 {%k1}
; ALL-NEXT: retq
%shuffle = shufflevector <16 x i32> %a, <16 x i32> undef, <16 x i32><i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15, i32 0, i32 1>
%mask.cast = bitcast i16 %mask to <16 x i1>
%res = select <16 x i1> %mask.cast, <16 x i32> %shuffle, <16 x i32> %passthru
ret <16 x i32> %res
}