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[X86][AVX] Bad v4f64/v4i64 '1z3z' shuffle test case

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This lowers to SHUFPD if the input is zeroinitializer but not with a demanded elts optimized build vector.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@291924 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Simon Pilgrim 2017-01-13 18:23:47 +00:00
parent e7e4713429
commit 8559375964
1 changed files with 49 additions and 0 deletions
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49
test/CodeGen/X86/vector-shuffle-256-v4.ll
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@ -477,6 +477,31 @@ define <4 x double> @shuffle_v4f64_3333(<4 x double> %a, <4 x double> %b) {
ret <4 x double> %shuffle
}
define <4 x double> @shuffle_v4f64_1z3z(<4 x double> %a, <4 x double> %b) {
; AVX1-LABEL: shuffle_v4f64_1z3z:
; AVX1: # BB#0:
; AVX1-NEXT: vpermilpd {{.*#+}} ymm0 = ymm0[0,0,3,2]
; AVX1-NEXT: vxorpd %ymm1, %ymm1, %ymm1
; AVX1-NEXT: vblendpd {{.*#+}} ymm0 = ymm0[0],ymm1[1],ymm0[2],ymm1[3]
; AVX1-NEXT: retq
;
; AVX2-LABEL: shuffle_v4f64_1z3z:
; AVX2: # BB#0:
; AVX2-NEXT: vpermilpd {{.*#+}} ymm0 = ymm0[0,0,3,2]
; AVX2-NEXT: vxorpd %ymm1, %ymm1, %ymm1
; AVX2-NEXT: vblendpd {{.*#+}} ymm0 = ymm0[0],ymm1[1],ymm0[2],ymm1[3]
; AVX2-NEXT: retq
;
; AVX512VL-LABEL: shuffle_v4f64_1z3z:
; AVX512VL: # BB#0:
; AVX512VL-NEXT: vpermilpd {{.*#+}} ymm0 = ymm0[0,0,3,2]
; AVX512VL-NEXT: vpxor %ymm1, %ymm1, %ymm1
; AVX512VL-NEXT: vblendpd {{.*#+}} ymm0 = ymm0[0],ymm1[1],ymm0[2],ymm1[3]
; AVX512VL-NEXT: retq
%shuffle = shufflevector <4 x double> %a, <4 x double> <double 0.000000e+00, double undef, double undef, double undef>, <4 x i32> <i32 0, i32 4, i32 3, i32 4>
ret <4 x double> %shuffle
}
define <4 x i64> @shuffle_v4i64_0000(<4 x i64> %a, <4 x i64> %b) {
; AVX1-LABEL: shuffle_v4i64_0000:
; AVX1: # BB#0:
@ -1131,6 +1156,30 @@ define <4 x i64> @shuffle_v4i64_3333(<4 x i64> %a, <4 x i64> %b) {
ret <4 x i64> %shuffle
}
define <4 x i64> @shuffle_v4i64_1z3z(<4 x i64> %a, <4 x i64> %b) {
; AVX1-LABEL: shuffle_v4i64_1z3z:
; AVX1: # BB#0:
; AVX1-NEXT: vxorpd %ymm1, %ymm1, %ymm1
; AVX1-NEXT: vblendpd {{.*#+}} ymm0 = ymm1[0],ymm0[1,2,3]
; AVX1-NEXT: vextractf128 $1, %ymm0, %xmm1
; AVX1-NEXT: vshufpd {{.*#+}} xmm1 = xmm1[1],xmm0[0]
; AVX1-NEXT: vpermilpd {{.*#+}} xmm0 = xmm0[1,0]
; AVX1-NEXT: vinsertf128 $1, %xmm1, %ymm0, %ymm0
; AVX1-NEXT: retq
;
; AVX2-LABEL: shuffle_v4i64_1z3z:
; AVX2: # BB#0:
; AVX2-NEXT: vpsrldq {{.*#+}} ymm0 = ymm0[8,9,10,11,12,13,14,15],zero,zero,zero,zero,zero,zero,zero,zero,ymm0[24,25,26,27,28,29,30,31],zero,zero,zero,zero,zero,zero,zero,zero
; AVX2-NEXT: retq
;
; AVX512VL-LABEL: shuffle_v4i64_1z3z:
; AVX512VL: # BB#0:
; AVX512VL-NEXT: vpsrldq {{.*#+}} ymm0 = ymm0[8,9,10,11,12,13,14,15],zero,zero,zero,zero,zero,zero,zero,zero,ymm0[24,25,26,27,28,29,30,31],zero,zero,zero,zero,zero,zero,zero,zero
; AVX512VL-NEXT: retq
%shuffle = shufflevector <4 x i64> %a, <4 x i64> <i64 0, i64 undef, i64 undef, i64 undef>, <4 x i32> <i32 1, i32 4, i32 3, i32 4>
ret <4 x i64> %shuffle
}
define <4 x i64> @stress_test1(<4 x i64> %a, <4 x i64> %b) {
; ALL-LABEL: stress_test1:
; ALL: retq