mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-24 11:42:57 +01:00
31 lines
866 B
LLVM
31 lines
866 B
LLVM
; Test that if an invoked function is inlined, and if that function cannot
|
|
; throw, that the dead handler is now unreachable.
|
|
|
|
; RUN: llvm-as < %s | opt -inline -simplifycfg | llvm-dis | \
|
|
; 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
|
|
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
|
|
ret i32 -1
|
|
}
|