From 7dc1901f9f9c7a84a59c22444d1c2c9ee7a99281 Mon Sep 17 00:00:00 2001
From: Dan Gohman <djg@cray.com>
Date: Thu, 2 Aug 2007 21:17:01 +0000
Subject: Fix the alignment requirements of several unpck and shuf
 instructions. Generalize isPSHUFDMask and add a unary SHUFPD pattern so that
 SHUFPD's memory operand alignment can be tested as well, with a fix to avoid
 breaking MMX's use of isPSHUFDMask.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40756 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/CodeGen/X86/sse-align-12.ll | 50 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)
 create mode 100644 test/CodeGen/X86/sse-align-12.ll

(limited to 'test')

diff --git a/test/CodeGen/X86/sse-align-12.ll b/test/CodeGen/X86/sse-align-12.ll
new file mode 100644
index 0000000..731d429
--- /dev/null
+++ b/test/CodeGen/X86/sse-align-12.ll
@@ -0,0 +1,50 @@
+; RUN: llvm-as < %s | llc -march=x86-64 | grep unpck | wc -l | grep 2
+; RUN: llvm-as < %s | llc -march=x86-64 | grep shuf  | wc -l | grep 2
+; RUN: llvm-as < %s | llc -march=x86-64 | grep ps    | wc -l | grep 4
+; RUN: llvm-as < %s | llc -march=x86-64 | grep pd    | wc -l | grep 4
+; RUN: llvm-as < %s | llc -march=x86-64 | grep movup | wc -l | grep 4
+
+define <4 x float> @a(<4 x float>* %y)
+{
+  %x = load <4 x float>* %y, align 4
+  %a = extractelement <4 x float> %x, i32 0
+  %b = extractelement <4 x float> %x, i32 1
+  %c = extractelement <4 x float> %x, i32 2
+  %d = extractelement <4 x float> %x, i32 3
+  %p = insertelement <4 x float> undef, float %d, i32 0
+  %q = insertelement <4 x float> %p, float %c, i32 1
+  %r = insertelement <4 x float> %q, float %b, i32 2
+  %s = insertelement <4 x float> %r, float %a, i32 3
+  ret <4 x float> %s
+}
+define <4 x float> @b(<4 x float>* %y, <4 x float> %z)
+{
+  %x = load <4 x float>* %y, align 4
+  %a = extractelement <4 x float> %x, i32 2
+  %b = extractelement <4 x float> %x, i32 3
+  %c = extractelement <4 x float> %z, i32 2
+  %d = extractelement <4 x float> %z, i32 3
+  %p = insertelement <4 x float> undef, float %c, i32 0
+  %q = insertelement <4 x float> %p, float %a, i32 1
+  %r = insertelement <4 x float> %q, float %d, i32 2
+  %s = insertelement <4 x float> %r, float %b, i32 3
+  ret <4 x float> %s
+}
+define <2 x double> @c(<2 x double>* %y)
+{
+  %x = load <2 x double>* %y, align 8
+  %a = extractelement <2 x double> %x, i32 0
+  %c = extractelement <2 x double> %x, i32 1
+  %p = insertelement <2 x double> undef, double %c, i32 0
+  %r = insertelement <2 x double> %p, double %a, i32 1
+  ret <2 x double> %r
+}
+define <2 x double> @d(<2 x double>* %y, <2 x double> %z)
+{
+  %x = load <2 x double>* %y, align 8
+  %a = extractelement <2 x double> %x, i32 1
+  %c = extractelement <2 x double> %z, i32 1
+  %p = insertelement <2 x double> undef, double %c, i32 0
+  %r = insertelement <2 x double> %p, double %a, i32 1
+  ret <2 x double> %r
+}
-- 
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