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authorMon P Wang <wangmp@apple.com>2008-12-15 21:44:00 +0000
committerMon P Wang <wangmp@apple.com>2008-12-15 21:44:00 +0000
commit580f2c7b61ec345d50f5d503baad5087a2d0ce1d (patch)
tree73f9606e70a55612740a41444d071271d9f80749 /llvm/test/CodeGen/X86/vshift_split2.ll
parent1349b457eee7240bb8022483db59d7edc87d6b47 (diff)
downloadbcm5719-llvm-580f2c7b61ec345d50f5d503baad5087a2d0ce1d.tar.gz
bcm5719-llvm-580f2c7b61ec345d50f5d503baad5087a2d0ce1d.zip
Added support for splitting and scalarizing vector shifts.
llvm-svn: 61050
Diffstat (limited to 'llvm/test/CodeGen/X86/vshift_split2.ll')
-rw-r--r--llvm/test/CodeGen/X86/vshift_split2.ll11
1 files changed, 11 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/vshift_split2.ll b/llvm/test/CodeGen/X86/vshift_split2.ll
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+++ b/llvm/test/CodeGen/X86/vshift_split2.ll
@@ -0,0 +1,11 @@
+; RUN: llvm-as < %s | llc
+
+; Legalization example that requires splitting a large vector into smaller pieces.
+
+define void @update(<8 x i32> %val, <8 x i32>* %dst) nounwind {
+entry:
+ %shl = shl <8 x i32> %val, < i32 2, i32 2, i32 2, i32 2, i32 4, i32 4, i32 4, i32 4 >
+ %shr = ashr <8 x i32> %val, < i32 2, i32 2, i32 2, i32 2, i32 4, i32 4, i32 4, i32 4 >
+ store <8 x i32> %shr, <8 x i32>* %dst
+ ret void
+}
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