From d86b2d6b1e4efd858fc04bae7cf3884ef4f5bb03 Mon Sep 17 00:00:00 2001
From: Simon Pilgrim <llvm-dev@redking.me.uk>
Date: Tue, 10 May 2016 16:55:20 +0000
Subject: [PATCH] [X86][AVX512] Added another masked shuffle combine from load
 test

llvm-svn: 269077
---
 .../X86/vector-shuffle-combining-avx512bw.ll        | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/llvm/test/CodeGen/X86/vector-shuffle-combining-avx512bw.ll b/llvm/test/CodeGen/X86/vector-shuffle-combining-avx512bw.ll
index 23e1896f7780..4070c00c28f3 100644
--- a/llvm/test/CodeGen/X86/vector-shuffle-combining-avx512bw.ll
+++ b/llvm/test/CodeGen/X86/vector-shuffle-combining-avx512bw.ll
@@ -139,6 +139,19 @@ define <16 x float> @combine_vpermt2var_16f32_vmovddup_mask(<16 x float> %x0, <1
   %res0 = call <16 x float> @llvm.x86.avx512.maskz.vpermt2var.ps.512(<16 x i32> <i32 0, i32 1, i32 0, i32 1, i32 4, i32 5, i32 4, i32 5, i32 8, i32 9, i32 8, i32 9, i32 12, i32 13, i32 12, i32 13>, <16 x float> %x0, <16 x float> %x1, i16 %m)
   ret <16 x float> %res0
 }
+define <16 x float> @combine_vpermt2var_16f32_vmovddup_mask_load(<16 x float> *%p0, <16 x float> %x1, i16 %m) {
+; CHECK-LABEL: combine_vpermt2var_16f32_vmovddup_mask_load:
+; CHECK:       # BB#0:
+; CHECK-NEXT:    kmovw %esi, %k1
+; CHECK-NEXT:    vmovaps (%rdi), %zmm1
+; CHECK-NEXT:    vmovdqa32 {{.*#+}} zmm2 = [0,1,0,1,4,5,4,5,8,9,8,9,12,13,12,13]
+; CHECK-NEXT:    vpermt2ps %zmm0, %zmm2, %zmm1 {%k1} {z}
+; CHECK-NEXT:    vmovaps %zmm1, %zmm0
+; CHECK-NEXT:    retq
+  %x0 = load <16 x float>, <16 x float> *%p0
+  %res0 = call <16 x float> @llvm.x86.avx512.maskz.vpermt2var.ps.512(<16 x i32> <i32 0, i32 1, i32 0, i32 1, i32 4, i32 5, i32 4, i32 5, i32 8, i32 9, i32 8, i32 9, i32 12, i32 13, i32 12, i32 13>, <16 x float> %x0, <16 x float> %x1, i16 %m)
+  ret <16 x float> %res0
+}
 
 define <16 x float> @combine_vpermt2var_16f32_vmovshdup(<16 x float> %x0, <16 x float> %x1) {
 ; CHECK-LABEL: combine_vpermt2var_16f32_vmovshdup: