mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-11-06 05:06:45 +00:00
65088e7d96
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138928 91177308-0d34-0410-b5e6-96231b3b80d8
37 lines
1.1 KiB
LLVM
37 lines
1.1 KiB
LLVM
; 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(...)
|