From: Simon Pilgrim <llvm-dev@redking.me.uk>
Date: Thu, 11 Apr 2019 13:52:43 +0000 (+0000)
Subject: [X86][XOP] Add X86ISD::VPERMIL2 demandedelts test
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=e5d96fd941550bef358656c4cebe317a5589f6df;p=llvm

[X86][XOP] Add X86ISD::VPERMIL2 demandedelts test

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@358166 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/test/CodeGen/X86/vector-shuffle-combining-xop.ll b/test/CodeGen/X86/vector-shuffle-combining-xop.ll
index b63a454513f..3d57a09ffb5 100644
--- a/test/CodeGen/X86/vector-shuffle-combining-xop.ll
+++ b/test/CodeGen/X86/vector-shuffle-combining-xop.ll
@@ -130,6 +130,52 @@ define <4 x double> @combine_vpermil2pd256_as_shufpd(<4 x double> %a0, <4 x doub
   ret <4 x double> %res0
 }
 
+define <4 x double> @demandedelts_vpermil2pd256_as_shufpd(<4 x double> %a0, <4 x double> %a1, i64 %a2) {
+; X86-AVX-LABEL: demandedelts_vpermil2pd256_as_shufpd:
+; X86-AVX:       # %bb.0:
+; X86-AVX-NEXT:    movl $4, %eax
+; X86-AVX-NEXT:    vmovd %eax, %xmm2
+; X86-AVX-NEXT:    vmovq {{.*#+}} xmm3 = mem[0],zero
+; X86-AVX-NEXT:    vpunpcklqdq {{.*#+}} xmm2 = xmm3[0],xmm2[0]
+; X86-AVX-NEXT:    vinsertf128 $1, {{\.LCPI.*}}, %ymm2, %ymm2
+; X86-AVX-NEXT:    vpermil2pd $0, %ymm2, %ymm1, %ymm0, %ymm0
+; X86-AVX-NEXT:    vpermilpd {{.*#+}} ymm0 = ymm0[1,1,2,3]
+; X86-AVX-NEXT:    retl
+;
+; X86-AVX2-LABEL: demandedelts_vpermil2pd256_as_shufpd:
+; X86-AVX2:       # %bb.0:
+; X86-AVX2-NEXT:    movl $4, %eax
+; X86-AVX2-NEXT:    vmovd %eax, %xmm2
+; X86-AVX2-NEXT:    vmovq {{.*#+}} xmm3 = mem[0],zero
+; X86-AVX2-NEXT:    vpunpcklqdq {{.*#+}} xmm2 = xmm3[0],xmm2[0]
+; X86-AVX2-NEXT:    vinserti128 $1, {{\.LCPI.*}}, %ymm2, %ymm2
+; X86-AVX2-NEXT:    vpermil2pd $0, %ymm2, %ymm1, %ymm0, %ymm0
+; X86-AVX2-NEXT:    vpermilpd {{.*#+}} ymm0 = ymm0[1,1,2,3]
+; X86-AVX2-NEXT:    retl
+;
+; X64-AVX-LABEL: demandedelts_vpermil2pd256_as_shufpd:
+; X64-AVX:       # %bb.0:
+; X64-AVX-NEXT:    vmovdqa {{.*#+}} xmm2 = <u,4,2,7>
+; X64-AVX-NEXT:    vpinsrq $0, %rdi, %xmm2, %xmm2
+; X64-AVX-NEXT:    vblendpd {{.*#+}} ymm2 = ymm2[0,1],mem[2,3]
+; X64-AVX-NEXT:    vpermil2pd $0, %ymm2, %ymm1, %ymm0, %ymm0
+; X64-AVX-NEXT:    vpermilpd {{.*#+}} ymm0 = ymm0[1,1,2,3]
+; X64-AVX-NEXT:    retq
+;
+; X64-AVX2-LABEL: demandedelts_vpermil2pd256_as_shufpd:
+; X64-AVX2:       # %bb.0:
+; X64-AVX2-NEXT:    vmovdqa {{.*#+}} xmm2 = <u,4,2,7>
+; X64-AVX2-NEXT:    vpinsrq $0, %rdi, %xmm2, %xmm2
+; X64-AVX2-NEXT:    vpblendd {{.*#+}} ymm2 = ymm2[0,1,2,3],mem[4,5,6,7]
+; X64-AVX2-NEXT:    vpermil2pd $0, %ymm2, %ymm1, %ymm0, %ymm0
+; X64-AVX2-NEXT:    vpermilpd {{.*#+}} ymm0 = ymm0[1,1,2,3]
+; X64-AVX2-NEXT:    retq
+  %res0 = insertelement <4 x i64> <i64 0, i64 4, i64 2, i64 7>, i64 %a2, i32 0
+  %res1 = call <4 x double> @llvm.x86.xop.vpermil2pd.256(<4 x double> %a0, <4 x double> %a1, <4 x i64> %res0, i8 0)
+  %res2 = shufflevector <4 x double> %res1, <4 x double> undef, <4 x i32> <i32 1, i32 1, i32 2, i32 3>
+  ret <4 x double> %res2
+}
+
 define <16 x i8> @combine_vpperm_identity(<16 x i8> %a0, <16 x i8> %a1) {
 ; CHECK-LABEL: combine_vpperm_identity:
 ; CHECK:       # %bb.0: