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authorBob Wilson <bob.wilson@apple.com>2010-06-28 23:40:25 +0000
committerBob Wilson <bob.wilson@apple.com>2010-06-28 23:40:25 +0000
commit8674949513837dab7efa11c8d338db4f714a244b (patch)
treee17376d9c6bd516f24977898f061126a59f2a131 /test
parent45e01d2751eefe0845c9ef48684697bbcbf5a2e3 (diff)
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Unlike other targets, ARM now uses BUILD_VECTORs post-legalization so they
can't be changed arbitrarily by the DAGCombiner without checking if it is running after legalization. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107097 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
-rw-r--r--test/CodeGen/ARM/2010-06-28-DAGCombineUndef.ll10
1 files changed, 10 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/2010-06-28-DAGCombineUndef.ll b/test/CodeGen/ARM/2010-06-28-DAGCombineUndef.ll
new file mode 100644
index 0000000000..ad2810b5bb
--- /dev/null
+++ b/test/CodeGen/ARM/2010-06-28-DAGCombineUndef.ll
@@ -0,0 +1,10 @@
+; RUN: llc < %s -march=arm -mattr=+neon
+
+define void @main() nounwind {
+entry:
+ store <2 x i64> undef, <2 x i64>* undef, align 16
+ %0 = load <16 x i8>* undef, align 16 ; <<16 x i8>> [#uses=1]
+ %1 = or <16 x i8> zeroinitializer, %0 ; <<16 x i8>> [#uses=1]
+ store <16 x i8> %1, <16 x i8>* undef, align 16
+ ret void
+}