Testcase for a bug that caused a whole bunch of testcases to die in the nightly

tester last night.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12011 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/LowerInvoke/2004-02-29-PHICrash.llx b/test/Transforms/LowerInvoke/2004-02-29-PHICrash.llx
new file mode 100644 (file)
index 0000000..5454eae
--- /dev/null
+++ b/test/Transforms/LowerInvoke/2004-02-29-PHICrash.llx
@@ -0,0 +1,16 @@
+; RUN: llvm-as < %s | opt -lowerinvoke -enable-correct-eh-support -disable-output
+
+void %_ZNKSt11__use_cacheISt16__numpunct_cacheIcEEclERKSt6locale() {
+entry:
+       br bool false, label %then, label %UnifiedReturnBlock
+
+then:          ; preds = %entry
+       invoke void %_Znwj( )
+                       to label %UnifiedReturnBlock unwind label %UnifiedReturnBlock
+
+UnifiedReturnBlock:            ; preds = %entry, %then, %then
+       %UnifiedRetVal = phi int* [ null, %entry ], [ null, %then ], [ null, %then ]
+       ret void
+}
+
+declare void %_Znwj()