New testcases for inlining invoke instructions

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8103 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 27 insertions, 0 deletions

diff --git a/test/Transforms/Inline/invoke_test-2.ll b/test/Transforms/Inline/invoke_test-2.ll
new file mode 100644
index 0000000000..d673e85d7d
--- /dev/null
+++ b/test/Transforms/Inline/invoke_test-2.ll
@@ -0,0 +1,27 @@
+; Test that if an invoked function is inlined, and if that function cannot
+; throw, that the dead handler is now unreachable.
+
+; RUN: as < %s | opt -inline -simplifycfg | dis | not grep UnreachableExceptionHandler
+
+declare void %might_throw()
+
+implementation
+
+internal int %callee() {
+	invoke void %might_throw() to label %cont except label %exc
+cont:
+	ret int 0
+exc:
+	; This just consumes the exception!
+	ret int 1
+}
+
+; caller returns true if might_throw throws an exception...
+int %caller() {
+	%X = invoke int %callee() to label %cont 
+		except label %UnreachableExceptionHandler
+cont:
+	ret int %X
+UnreachableExceptionHandler:
+	ret int -1   ; This is dead!
+}