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; RUN: opt -simplifycfg -S < %s | FileCheck %s
; <rdar://problem/13360379>
@_ZTVN10__cxxabiv117__class_type_infoE = external global i8*
@_ZTS13TestException = linkonce_odr constant [16 x i8] c"13TestException\00"
@_ZTI13TestException = linkonce_odr unnamed_addr constant { i8*, i8* } { i8* bitcast (i8** getelementptr inbounds (i8** @_ZTVN10__cxxabiv117__class_type_infoE, i64 2) to i8*), i8* getelementptr inbounds ([16 x i8]* @_ZTS13TestException, i32 0, i32 0) }
define void @throw(i32 %n) #0 {
entry:
%exception = call i8* @__cxa_allocate_exception(i64 1) #4
call void @__cxa_throw(i8* %exception, i8* bitcast ({ i8*, i8* }* @_ZTI13TestException to i8*), i8* null) #2
unreachable
}
define void @func() #0 {
entry:
; CHECK: func()
; CHECK: invoke void @throw
; CHECK-NOT: call void @throw
invoke void @throw(i32 42) #0
to label %exit unwind label %lpad
lpad:
%tmp0 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
cleanup
resume { i8*, i32 } %tmp0
exit:
invoke void @abort() #2
to label %invoke.cont unwind label %lpad1
invoke.cont:
unreachable
lpad1:
%tmp1 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
catch i8* bitcast ({ i8*, i8* }* @_ZTI13TestException to i8*)
%tmp2 = extractvalue { i8*, i32 } %tmp1, 1
%tmp3 = call i32 @llvm.eh.typeid.for(i8* bitcast ({ i8*, i8* }* @_ZTI13TestException to i8*)) #4
%matches = icmp eq i32 %tmp2, %tmp3
br i1 %matches, label %catch, label %eh.resume
catch:
ret void
eh.resume:
resume { i8*, i32 } %tmp1
}
define linkonce_odr hidden void @__clang_call_terminate(i8*) #1 {
%2 = call i8* @__cxa_begin_catch(i8* %0) #4
call void @_ZSt9terminatev() #5
unreachable
}
declare void @abort() #2
declare i32 @llvm.eh.typeid.for(i8*) #3
declare void @__cxa_end_catch()
declare i8* @__cxa_allocate_exception(i64)
declare i32 @__gxx_personality_v0(...)
declare void @__cxa_throw(i8*, i8*, i8*)
declare i8* @__cxa_begin_catch(i8*)
declare void @_ZSt9terminatev()
attributes #0 = { ssp uwtable }
attributes #1 = { noinline noreturn nounwind }
attributes #2 = { noreturn }
attributes #3 = { nounwind readnone }
attributes #4 = { nounwind }
attributes #5 = { noreturn nounwind }
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