forked from OSchip/llvm-project
118 lines
3.2 KiB
LLVM
118 lines
3.2 KiB
LLVM
|
; RUN: opt %s -passes='cgscc(inline)' -S | FileCheck %s
|
||
|
|
|
||
|
|
declare void @external_func()
|
||
|
|
declare void @abort()
|
||
|
|
|
||
|
|
@exception_inner = external global i8
|
||
|
|
@exception_outer = external global i8
|
||
|
|
@condition = external global i1
|
||
|
|
|
||
|
|
|
||
|
|
; Check for a bug in which multiple "resume" instructions in the
|
||
|
|
; inlined function caused "catch i8* @exception_outer" to appear
|
||
|
|
; multiple times in the resulting landingpad.
|
||
|
|
|
||
|
|
define internal void @inner_multiple_resume() personality i8* null {
|
||
|
|
invoke void @external_func()
|
||
|
|
to label %cont unwind label %lpad
|
||
|
|
cont:
|
||
|
|
ret void
|
||
|
|
lpad:
|
||
|
|
%lp = landingpad i32
|
||
|
|
catch i8* @exception_inner
|
||
|
|
%cond = load i1, i1* @condition
|
||
|
|
br i1 %cond, label %resume1, label %resume2
|
||
|
|
resume1:
|
||
|
|
resume i32 1
|
||
|
|
resume2:
|
||
|
|
resume i32 2
|
||
|
|
}
|
||
|
|
|
||
|
|
define void @outer_multiple_resume() personality i8* null {
|
||
|
|
invoke void @inner_multiple_resume()
|
||
|
|
to label %cont unwind label %lpad
|
||
|
|
cont:
|
||
|
|
ret void
|
||
|
|
lpad:
|
||
|
|
%lp = landingpad i32
|
||
|
|
catch i8* @exception_outer
|
||
|
|
resume i32 %lp
|
||
|
|
}
|
||
|
|
; CHECK: define void @outer_multiple_resume()
|
||
|
|
; CHECK: %lp.i = landingpad
|
||
|
|
; CHECK-NEXT: catch i8* @exception_inner
|
||
|
|
; CHECK-NEXT: catch i8* @exception_outer
|
||
|
|
; Check that there isn't another "catch" clause:
|
||
|
|
; CHECK-NEXT: load
|
||
|
|
|
||
|
|
|
||
|
|
; Check for a bug in which having a "resume" and a "call" in the
|
||
|
|
; inlined function caused "catch i8* @exception_outer" to appear
|
||
|
|
; multiple times in the resulting landingpad.
|
||
|
|
|
||
|
|
define internal void @inner_resume_and_call() personality i8* null {
|
||
|
|
call void @external_func()
|
||
|
|
invoke void @external_func()
|
||
|
|
to label %cont unwind label %lpad
|
||
|
|
cont:
|
||
|
|
ret void
|
||
|
|
lpad:
|
||
|
|
%lp = landingpad i32
|
||
|
|
catch i8* @exception_inner
|
||
|
|
resume i32 %lp
|
||
|
|
}
|
||
|
|
|
||
|
|
define void @outer_resume_and_call() personality i8* null {
|
||
|
|
invoke void @inner_resume_and_call()
|
||
|
|
to label %cont unwind label %lpad
|
||
|
|
cont:
|
||
|
|
ret void
|
||
|
|
lpad:
|
||
|
|
%lp = landingpad i32
|
||
|
|
catch i8* @exception_outer
|
||
|
|
resume i32 %lp
|
||
|
|
}
|
||
|
|
; CHECK: define void @outer_resume_and_call()
|
||
|
|
; CHECK: %lp.i = landingpad
|
||
|
|
; CHECK-NEXT: catch i8* @exception_inner
|
||
|
|
; CHECK-NEXT: catch i8* @exception_outer
|
||
|
|
; Check that there isn't another "catch" clause:
|
||
|
|
; CHECK-NEXT: br
|
||
|
|
|
||
|
|
|
||
|
|
; Check what happens if the inlined function contains an "invoke" but
|
||
|
|
; no "resume". In this case, the inlined landingpad does not need to
|
||
|
|
; include the "catch i8* @exception_outer" clause from the outer
|
||
|
|
; function (since the outer function's landingpad will not be
|
||
|
|
; reachable), but it's OK to include this clause.
|
||
|
|
|
||
|
|
define internal void @inner_no_resume_or_call() personality i8* null {
|
||
|
|
invoke void @external_func()
|
||
|
|
to label %cont unwind label %lpad
|
||
|
|
cont:
|
||
|
|
ret void
|
||
|
|
lpad:
|
||
|
|
%lp = landingpad i32
|
||
|
|
catch i8* @exception_inner
|
||
|
|
; A landingpad might have no "resume" if a C++ destructor aborts.
|
||
|
|
call void @abort() noreturn nounwind
|
||
|
|
unreachable
|
||
|
|
}
|
||
|
|
|
||
|
|
define void @outer_no_resume_or_call() personality i8* null {
|
||
|
|
invoke void @inner_no_resume_or_call()
|
||
|
|
to label %cont unwind label %lpad
|
||
|
|
cont:
|
||
|
|
ret void
|
||
|
|
lpad:
|
||
|
|
%lp = landingpad i32
|
||
|
|
catch i8* @exception_outer
|
||
|
|
resume i32 %lp
|
||
|
|
}
|
||
|
|
; CHECK: define void @outer_no_resume_or_call()
|
||
|
|
; CHECK: %lp.i = landingpad
|
||
|
|
; CHECK-NEXT: catch i8* @exception_inner
|
||
|
|
; CHECK-NEXT: catch i8* @exception_outer
|
||
|
|
; Check that there isn't another "catch" clause:
|
||
|
|
; CHECK-NEXT: call void @abort()
|