summaryrefslogtreecommitdiff
path: root/test/CodeGen/X86/vec_shuffle-19.ll
diff options
context:
space:
mode:
authorEvan Cheng <evan.cheng@apple.com>2008-07-23 00:22:17 +0000
committerEvan Cheng <evan.cheng@apple.com>2008-07-23 00:22:17 +0000
commit5e6ebaf4d1d3043d3428b65ee8054c71c24af930 (patch)
treee0f2b1537a7ef8a61b937e0b3fccd8f2d0b48b26 /test/CodeGen/X86/vec_shuffle-19.ll
parent11e56cb4dc73bbb0bdc083042657ea3a5aad63f2 (diff)
downloadllvm-5e6ebaf4d1d3043d3428b65ee8054c71c24af930.tar.gz
llvm-5e6ebaf4d1d3043d3428b65ee8054c71c24af930.tar.bz2
llvm-5e6ebaf4d1d3043d3428b65ee8054c71c24af930.tar.xz
Fix PR2485: do all 4-element SSE shuffles in max. of 2 shuffle instructions.
Based on patch by Nicolas Capens. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53939 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/vec_shuffle-19.ll')
-rw-r--r--test/CodeGen/X86/vec_shuffle-19.ll8
1 files changed, 8 insertions, 0 deletions
diff --git a/test/CodeGen/X86/vec_shuffle-19.ll b/test/CodeGen/X86/vec_shuffle-19.ll
new file mode 100644
index 0000000000..eeeab81362
--- /dev/null
+++ b/test/CodeGen/X86/vec_shuffle-19.ll
@@ -0,0 +1,8 @@
+; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2 -stats -info-output-file - | grep asm-printer | grep 4
+; PR2485
+
+define <4 x i32> @t(<4 x i32> %a, <4 x i32> %b) nounwind {
+entry:
+ %shuffle = shufflevector <4 x i32> %a, <4 x i32> %b, <4 x i32> < i32 4, i32 0, i32 0, i32 0 > ; <<4 x i32>> [#uses=1]
+ ret <4 x i32> %shuffle
+}