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llvm-mirror/test/Transforms/Inline/invoke-cleanup.ll
Mark Seaborn 72517bc221 Fix inlining to not lose the "cleanup" clause from landingpads
This fixes PR17872.  This bug can lead to C++ destructors not being
called when they should be, when an exception is thrown.

llvm-svn: 196711
2013-12-08 00:51:21 +00:00

40 lines
910 B
LLVM

; RUN: opt %s -inline -S | FileCheck %s
declare void @external_func()
@exception_type1 = external global i8
@exception_type2 = external global i8
define internal void @inner() {
invoke void @external_func()
to label %cont unwind label %lpad
cont:
ret void
lpad:
%lp = landingpad i32 personality i8* null
catch i8* @exception_type1
resume i32 %lp
}
; Test that the "cleanup" clause is kept when inlining @inner() into
; this call site (PR17872), otherwise C++ destructors will not be
; called when they should be.
define void @outer() {
invoke void @inner()
to label %cont unwind label %lpad
cont:
ret void
lpad:
%lp = landingpad i32 personality i8* null
cleanup
catch i8* @exception_type2
resume i32 %lp
}
; CHECK: define void @outer
; CHECK: landingpad
; CHECK-NEXT: cleanup
; CHECK-NEXT: catch i8* @exception_type1
; CHECK-NEXT: catch i8* @exception_type2