mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-22 18:54:02 +01:00
785059d651
... so just ensure that we pass DomTreeUpdater it into it. Fixes DomTree preservation for a large number of tests, all of which are marked as such so that they do not regress.
53 lines
1.3 KiB
LLVM
53 lines
1.3 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 -simplifycfg-require-and-preserve-domtree=1 -S | FileCheck %s
|
|
|
|
declare void @might_throw()
|
|
|
|
define internal i32 @callee() personality i32 (...)* @__gxx_personality_v0 {
|
|
enrty:
|
|
invoke void @might_throw()
|
|
to label %cont unwind label %exc
|
|
|
|
cont:
|
|
ret i32 0
|
|
|
|
exc:
|
|
%exn = landingpad {i8*, i32}
|
|
cleanup
|
|
ret i32 1
|
|
}
|
|
|
|
; caller returns true if might_throw throws an exception... callee cannot throw.
|
|
define i32 @caller() personality i32 (...)* @__gxx_personality_v0 {
|
|
; CHECK-LABEL: define i32 @caller() personality i32 (...)* @__gxx_personality_v0
|
|
enrty:
|
|
%X = invoke i32 @callee()
|
|
to label %cont unwind label %UnreachableExceptionHandler
|
|
; CHECK-NOT: @callee
|
|
; CHECK: invoke void @might_throw()
|
|
; CHECK: to label %[[C:.*]] unwind label %[[E:.*]]
|
|
|
|
; CHECK: [[E]]:
|
|
; CHECK: landingpad
|
|
; CHECK: cleanup
|
|
; CHECK: br label %[[C]]
|
|
|
|
cont:
|
|
; CHECK: [[C]]:
|
|
ret i32 %X
|
|
; CHECK: %[[PHI:.*]] = phi i32
|
|
; CHECK: ret i32 %[[PHI]]
|
|
|
|
UnreachableExceptionHandler:
|
|
; CHECK-NOT: UnreachableExceptionHandler:
|
|
%exn = landingpad {i8*, i32}
|
|
cleanup
|
|
ret i32 -1
|
|
; CHECK-NOT: ret i32 -1
|
|
}
|
|
; CHECK: }
|
|
|
|
declare i32 @__gxx_personality_v0(...)
|