New testcase that caused infinite loop in taildup

llvm-svn: 7242
2025-02-24 06:27:56 +00:00 · 2003-07-23 03:32:11 +00:00 · 2003-07-23 03:32:11 +00:00 · 5ff1500e85
commit 5ff1500e85
parent 7594fa7280
1 changed files with 13 additions and 0 deletions
--- a/test/Regression/Transforms/TailDup/2003-07-22-InfiniteLoop.ll
+++ b/test/Regression/Transforms/TailDup/2003-07-22-InfiniteLoop.ll
@ -0,0 +1,13 @@
+; RUN: as < %s | opt -tailduplicate -disable-output
+
+implementation
+
+int %sum() {
+entry:
+	br label %loopentry
+
+loopentry:
+	%i.0 = phi int [ 1, %entry ], [ %tmp.3, %loopentry ]
+	%tmp.3 = add int %i.0, 1
+	br label %loopentry
+}