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[X86][AVX] Add PR34359 shuffle test case. 

llvm-svn: 365926
This commit is contained in:
Simon Pilgrim 2019-07-12 17:42:32 +00:00
parent 15e86f707b
commit ce8c35a33d
1 changed files with 12 additions and 0 deletions
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12
llvm/test/CodeGen/X86/vector-shuffle-256-v4.ll
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@ -752,6 +752,18 @@ define <4 x double> @shuffle_v4f64_1032_v2f64(<2 x double> %a, <2 x double> %b)
ret <4 x double> %3
}
;PR34359
define <4 x double> @shuffle_v4f64_2345_0567_select(<4 x double> %vec1, <4 x double> %vec2, <4 x double> %vec3) {
; ALL-LABEL: shuffle_v4f64_2345_0567_select:
; ALL: # %bb.0:
; ALL-NEXT: vperm2f128 {{.*#+}} ymm0 = ymm0[2,3],ymm1[0,1]
; ALL-NEXT: vblendps {{.*#+}} ymm0 = ymm2[0,1],ymm0[2,3,4,5,6,7]
; ALL-NEXT: retq
%shuf = shufflevector <4 x double> %vec1, <4 x double> %vec2, <4 x i32> <i32 2, i32 3, i32 4, i32 5>
%res = select <4 x i1> <i1 0, i1 1, i1 1, i1 1>, <4 x double> %shuf, <4 x double> %vec3
ret <4 x double> %res
}
define <4 x i64> @shuffle_v4i64_0000(<4 x i64> %a, <4 x i64> %b) {
; AVX1-LABEL: shuffle_v4i64_0000:
; AVX1: # %bb.0: