1 ; Test that if an invoked function is inlined, and if that function cannot 2 ; throw, that the dead handler is now unreachable. 3 4 ; RUN: opt < %s -inline -simplifycfg -S | \ 5 ; RUN: not grep UnreachableExceptionHandler 6 7 declare void @might_throw() 8 9 define internal i32 @callee() { 10 invoke void @might_throw( ) 11 to label %cont unwind label %exc 12 13 cont: ; preds = %0 14 ret i32 0 15 16 exc: ; preds = %0 17 %exn = landingpad {i8*, i32} personality i32 (...)* @__gxx_personality_v0 18 cleanup 19 ret i32 1 20 } 21 22 ; caller returns true if might_throw throws an exception... callee cannot throw. 23 define i32 @caller() { 24 %X = invoke i32 @callee( ) 25 to label %cont unwind label %UnreachableExceptionHandler ; <i32> [#uses=1] 26 27 cont: ; preds = %0 28 ret i32 %X 29 30 UnreachableExceptionHandler: ; preds = %0 31 %exn = landingpad {i8*, i32} personality i32 (...)* @__gxx_personality_v0 32 cleanup 33 ret i32 -1 34 } 35 36 declare i32 @__gxx_personality_v0(...) 37