| ; Test that if an invoked function is inlined, and if that function cannot |
| ; throw, that the dead handler is now unreachable. |
| |
| ; RUN: opt < %s -inline -simplifycfg -S | \ |
| ; RUN: not grep UnreachableExceptionHandler |
| |
| declare void @might_throw() |
| |
| define internal i32 @callee() { |
| invoke void @might_throw( ) |
| to label %cont unwind label %exc |
| |
| cont: ; preds = %0 |
| ret i32 0 |
| |
| exc: ; preds = %0 |
| %exn = landingpad {i8*, i32} personality i32 (...)* @__gxx_personality_v0 |
| cleanup |
| ret i32 1 |
| } |
| |
| ; caller returns true if might_throw throws an exception... callee cannot throw. |
| define i32 @caller() { |
| %X = invoke i32 @callee( ) |
| to label %cont unwind label %UnreachableExceptionHandler ; <i32> [#uses=1] |
| |
| cont: ; preds = %0 |
| ret i32 %X |
| |
| UnreachableExceptionHandler: ; preds = %0 |
| %exn = landingpad {i8*, i32} personality i32 (...)* @__gxx_personality_v0 |
| cleanup |
| ret i32 -1 |
| } |
| |
| declare i32 @__gxx_personality_v0(...) |