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[X86][AVX] Tweak X86ISD::VPERMV3 demandedelts test 

Original test was too dependent on the order of the combines that could cause the inserted element being demanded after all

llvm-svn: 358182
This commit is contained in:
Simon Pilgrim 2019-04-11 15:09:03 +00:00
parent 705384be97
commit a41275a398
1 changed files with 3 additions and 3 deletions
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6
llvm/test/CodeGen/X86/vector-shuffle-combining-avx512bw.ll
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@ -928,7 +928,7 @@ define <8 x double> @combine_vpermi2var_8f64_as_permpd(<8 x double> %x0, <8 x do
; X86-NEXT: vinserti128 $1, {{\.LCPI.*}}, %ymm2, %ymm2
; X86-NEXT: vinserti64x4 $1, {{\.LCPI.*}}, %zmm2, %zmm2
; X86-NEXT: vpermi2pd %zmm1, %zmm0, %zmm2
; X86-NEXT: vpermpd {{.*#+}} zmm0 = zmm2[2,3,0,1,6,7,4,5]
; X86-NEXT: vpermpd {{.*#+}} zmm0 = zmm2[2,3,1,1,6,7,5,5]
; X86-NEXT: retl
;
; X64-LABEL: combine_vpermi2var_8f64_as_permpd:
@ -938,11 +938,11 @@ define <8 x double> @combine_vpermi2var_8f64_as_permpd(<8 x double> %x0, <8 x do
; X64-NEXT: vmovdqa64 {{.*#+}} zmm3 = <u,2,1,3,4,6,5,7>
; X64-NEXT: vinserti32x4 $0, %xmm2, %zmm3, %zmm2
; X64-NEXT: vpermi2pd %zmm1, %zmm0, %zmm2
; X64-NEXT: vpermpd {{.*#+}} zmm0 = zmm2[2,3,0,1,6,7,4,5]
; X64-NEXT: vpermpd {{.*#+}} zmm0 = zmm2[2,3,1,1,6,7,5,5]
; X64-NEXT: retq
%res0 = insertelement <8 x i64> <i64 0, i64 2, i64 1, i64 3, i64 4, i64 6, i64 5, i64 7>, i64 %a2, i32 0
%res1 = call <8 x double> @llvm.x86.avx512.mask.vpermi2var.pd.512(<8 x double> %x0, <8 x i64> %res0, <8 x double> %x1, i8 -1)
%res2 = shufflevector <8 x double> %res1, <8 x double> undef, <8 x i32> <i32 2, i32 3, i32 undef, i32 1, i32 6, i32 7, i32 4, i32 5>
%res2 = shufflevector <8 x double> %res1, <8 x double> undef, <8 x i32> <i32 2, i32 3, i32 1, i32 1, i32 6, i32 7, i32 5, i32 5>
ret <8 x double> %res2
}