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authorDimitry Andric <dim@FreeBSD.org>2012-08-15 19:34:23 +0000
committerDimitry Andric <dim@FreeBSD.org>2012-08-15 19:34:23 +0000
commit58b69754af0cbff56b1cfce9be9392e4451f6628 (patch)
treeeacfc83d988e4b9d11114387ae7dc41243f2a363 /test/Transforms/Reassociate/2012-06-08-InfiniteLoop.ll
parent0378662f5bd3dbe8305a485b0282bceb8b52f465 (diff)
Notes
Diffstat (limited to 'test/Transforms/Reassociate/2012-06-08-InfiniteLoop.ll')
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diff --git a/test/Transforms/Reassociate/2012-06-08-InfiniteLoop.ll b/test/Transforms/Reassociate/2012-06-08-InfiniteLoop.ll
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+++ b/test/Transforms/Reassociate/2012-06-08-InfiniteLoop.ll
@@ -0,0 +1,21 @@
+; RUN: opt < %s -reassociate -disable-output
+; PR13041
+
+define void @foo() {
+entry:
+ br label %while.cond
+
+while.cond: ; preds = %while.body, %entry
+ %b.0 = phi i32 [ undef, %entry ], [ %sub2, %while.body ]
+ %c.0 = phi i32 [ undef, %entry ], [ %sub3, %while.body ]
+ br i1 undef, label %while.end, label %while.body
+
+while.body: ; preds = %while.cond
+ %sub = sub nsw i32 0, %b.0
+ %sub2 = sub nsw i32 %sub, %c.0
+ %sub3 = sub nsw i32 0, %c.0
+ br label %while.cond
+
+while.end: ; preds = %while.cond
+ ret void
+}