New testcase

llvm-svn: 2695
2002-05-21 20:03:42 +00:00 · 2002-05-21 20:03:42 +00:00 · 9ec59c48ce
parent f7373e4bec
commit 9ec59c48ce
1 changed files with 13 additions and 0 deletions
--- a/llvm/test/Regression/Transforms/GCSE/2002-05-21-NoSharedDominator.ll
+++ b/llvm/test/Regression/Transforms/GCSE/2002-05-21-NoSharedDominator.ll
@ -0,0 +1,13 @@
+; This testcase shows a bug where an common subexpression exists, but there
+; is no shared dominator block that the expression can be hoisted out to.
+;
+; RUN: as < %s | opt -gcse | dis
+
+int "test"(int %X, int %Y) {
+	%Z = add int %X, %Y
+	ret int %Z
+
+Unreachable:
+	%Q = add int %X, %Y
+	ret int %Q
+}