From cc30006391ef3dac5240b8b2197a7129440f34ad Mon Sep 17 00:00:00 2001
From: Craig Topper <craig.topper@gmail.com>
Date: Mon, 30 Jan 2012 07:50:31 +0000
Subject: Fix pattern for memory form of PSHUFD for use with FP vectors to
 remove bitcast to an integer vector that normal code wouldn't have. Also
 remove bitcasts from code that turns splat vector loads into a shuffle as it
 was making the broken pattern necessary.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149232 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/CodeGen/X86/avx-shuffle.ll | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'test/CodeGen/X86/avx-shuffle.ll')

diff --git a/test/CodeGen/X86/avx-shuffle.ll b/test/CodeGen/X86/avx-shuffle.ll
index ee038ce21e..08b668c983 100644
--- a/test/CodeGen/X86/avx-shuffle.ll
+++ b/test/CodeGen/X86/avx-shuffle.ll
@@ -96,3 +96,16 @@ define i32 @test10(<4 x i32> %a) nounwind {
   %r = extractelement <8 x i32> %b, i32 2
   ret i32 %r
 }
+
+define <4 x float> @test11(<4 x float> %a) nounwind  {
+; CHECK: pshufd $27
+  %tmp1 = shufflevector <4 x float> %a, <4 x float> undef, <4 x i32> <i32 3, i32 2, i32 1, i32 0>
+  ret <4 x float> %tmp1
+}
+
+define <4 x float> @test12(<4 x float>* %a) nounwind  {
+; CHECK: pshufd $27, (
+  %tmp0 = load <4 x float>* %a
+  %tmp1 = shufflevector <4 x float> %tmp0, <4 x float> undef, <4 x i32> <i32 3, i32 2, i32 1, i32 0>
+  ret <4 x float> %tmp1
+}
-- 
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