Fix PR3325, a miscompilation of invokes by IPSCCP. Patch by Jay Foad!

llvm-svn: 62244

1 files changed, 28 insertions, 0 deletions

diff --git a/llvm/test/Transforms/SCCP/2009-01-14-IPSCCP-Invoke.ll b/llvm/test/Transforms/SCCP/2009-01-14-IPSCCP-Invoke.ll
new file mode 100644
index 00000000000..20f7c21b7c1
--- /dev/null
+++ b/llvm/test/Transforms/SCCP/2009-01-14-IPSCCP-Invoke.ll
@@ -0,0 +1,28 @@
+; RUN: llvm-as < %s | opt -ipsccp | llvm-dis | grep {ret i32 42}
+; RUN: llvm-as < %s | opt -ipsccp | llvm-dis | grep {ret i32 undef}
+; PR3325
+
+define i32 @main() {
+	%tmp1 = invoke i32 @f()
+			to label %UnifiedReturnBlock unwind label %lpad
+
+lpad:
+	unreachable
+
+UnifiedReturnBlock:
+	ret i32 %tmp1
+}
+
+define internal i32 @f() {
+       ret i32 42
+}
+
+declare i8* @__cxa_begin_catch(i8*) nounwind
+
+declare i8* @llvm.eh.exception() nounwind
+
+declare i32 @llvm.eh.selector.i32(i8*, i8*, ...) nounwind
+
+declare void @__cxa_end_catch()
+
+declare i32 @__gxx_personality_v0(...)