llvm-6502/test/Feature/exceptionhandling.ll
Bill Wendling 772fe17a6d Merge the contents from exception-handling-rewrite to the mainline.
This adds the new instructions 'landingpad' and 'resume'.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136253 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-27 20:18:04 +00:00

55 lines
1.7 KiB
LLVM

; RUN: llvm-as < %s | llvm-dis > %t1.ll
; RUN: llvm-as %t1.ll -o - | llvm-dis > %t2.ll
; RUN: diff %t1.ll %t2.ll
@_ZTIc = external constant i8*
@_ZTId = external constant i8*
@_ZTIPKc = external constant i8*
@.str = private unnamed_addr constant [16 x i8] c"caught char %c\0A\00", align 1
define void @_Z3barv() uwtable optsize alwaysinline ssp {
entry:
invoke void @_Z3quxv() optsize
to label %try.cont unwind label %lpad
invoke.cont4: ; preds = %lpad
%eh.obj = extractvalue {i8*, i32} %exn, 0
%tmp0 = tail call i8* @__cxa_begin_catch(i8* %eh.obj) nounwind
%exn.scalar = load i8* %tmp0, align 1
%conv = sext i8 %exn.scalar to i32
%call = tail call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([16 x i8]* @.str, i64 0, i64 0), i32 %conv) optsize
tail call void @__cxa_end_catch() nounwind
br label %try.cont
try.cont: ; preds = %entry, %invoke.cont4
ret void
lpad: ; preds = %entry
%exn = landingpad {i8*, i32} personality i32 (...)* @__gxx_personality_v0
cleanup
catch i8** @_ZTIc
filter i8** @_ZTIPKc
catch i8** @_ZTId
%tmp1 = extractvalue {i8*, i32} %exn, 1
%tmp2 = tail call i32 @llvm.eh.typeid.for(i8* bitcast (i8** @_ZTIc to i8*)) nounwind
%tmp3 = icmp eq i32 %tmp1, %tmp2
br i1 %tmp3, label %invoke.cont4, label %eh.resume
eh.resume:
resume { i8*, i32 } %exn
}
declare void @_Z3quxv() optsize
declare i32 @__gxx_personality_v0(...)
declare i32 @llvm.eh.typeid.for(i8*) nounwind
declare void @llvm.eh.resume(i8*, i32)
declare i8* @__cxa_begin_catch(i8*)
declare i32 @printf(i8* nocapture, ...) nounwind optsize
declare void @__cxa_end_catch()