summaryrefslogtreecommitdiff
path: root/test/Transforms
diff options
context:
space:
mode:
authorNadav Rotem <nrotem@apple.com>2012-10-20 20:45:01 +0000
committerNadav Rotem <nrotem@apple.com>2012-10-20 20:45:01 +0000
commitccaccfa8bf070b169847109513610cf41abfd1f3 (patch)
tree81157fa84d2bbb85339e89e44d17d5d848543c36 /test/Transforms
parentb8f2d82403bd059d26c091ec1ad3512033074546 (diff)
downloadllvm-ccaccfa8bf070b169847109513610cf41abfd1f3.tar.gz
llvm-ccaccfa8bf070b169847109513610cf41abfd1f3.tar.bz2
llvm-ccaccfa8bf070b169847109513610cf41abfd1f3.tar.xz
Fix an infinite loop in the loop-vectorizer.
PR14134. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166379 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms')
-rw-r--r--test/Transforms/LoopVectorize/2012-10-20-infloop.ll12
1 files changed, 12 insertions, 0 deletions
diff --git a/test/Transforms/LoopVectorize/2012-10-20-infloop.ll b/test/Transforms/LoopVectorize/2012-10-20-infloop.ll
new file mode 100644
index 0000000000..16a7729199
--- /dev/null
+++ b/test/Transforms/LoopVectorize/2012-10-20-infloop.ll
@@ -0,0 +1,12 @@
+; RUN: opt < %s -loop-vectorize -dce
+
+; Check that we don't fall into an infinite loop.
+define void @test() nounwind {
+entry:
+ br label %for.body
+
+for.body:
+ %0 = phi i32 [ 1, %entry ], [ 0, %for.body ]
+ br label %for.body
+}
+