| Bill Wendling | 9534d88 | 2013-03-11 20:53:00 +0000 | [diff] [blame] | 1 | ; RUN: opt -simplifycfg -S < %s | FileCheck %s |
| 2 | ; <rdar://problem/13360379> |
| 3 | |
| 4 | @_ZTVN10__cxxabiv117__class_type_infoE = external global i8* |
| 5 | @_ZTS13TestException = linkonce_odr constant [16 x i8] c"13TestException\00" |
| 6 | @_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) } |
| 7 | |
| 8 | define void @throw(i32 %n) #0 { |
| 9 | entry: |
| 10 | %exception = call i8* @__cxa_allocate_exception(i64 1) #4 |
| 11 | call void @__cxa_throw(i8* %exception, i8* bitcast ({ i8*, i8* }* @_ZTI13TestException to i8*), i8* null) #2 |
| 12 | unreachable |
| 13 | } |
| 14 | |
| 15 | define void @func() #0 { |
| 16 | entry: |
| 17 | ; CHECK: func() |
| 18 | ; CHECK: invoke void @throw |
| 19 | ; CHECK-NOT: call void @throw |
| 20 | invoke void @throw(i32 42) #0 |
| 21 | to label %exit unwind label %lpad |
| 22 | |
| 23 | lpad: |
| 24 | %tmp0 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) |
| 25 | cleanup |
| 26 | resume { i8*, i32 } %tmp0 |
| 27 | |
| 28 | exit: |
| 29 | invoke void @abort() #2 |
| 30 | to label %invoke.cont unwind label %lpad1 |
| 31 | |
| 32 | invoke.cont: |
| 33 | unreachable |
| 34 | |
| 35 | lpad1: |
| 36 | %tmp1 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) |
| 37 | catch i8* bitcast ({ i8*, i8* }* @_ZTI13TestException to i8*) |
| 38 | %tmp2 = extractvalue { i8*, i32 } %tmp1, 1 |
| 39 | %tmp3 = call i32 @llvm.eh.typeid.for(i8* bitcast ({ i8*, i8* }* @_ZTI13TestException to i8*)) #4 |
| 40 | %matches = icmp eq i32 %tmp2, %tmp3 |
| 41 | br i1 %matches, label %catch, label %eh.resume |
| 42 | |
| 43 | catch: |
| 44 | ret void |
| 45 | |
| 46 | eh.resume: |
| 47 | resume { i8*, i32 } %tmp1 |
| 48 | } |
| 49 | |
| 50 | define linkonce_odr hidden void @__clang_call_terminate(i8*) #1 { |
| 51 | %2 = call i8* @__cxa_begin_catch(i8* %0) #4 |
| 52 | call void @_ZSt9terminatev() #5 |
| 53 | unreachable |
| 54 | } |
| 55 | |
| 56 | declare void @abort() #2 |
| 57 | |
| 58 | declare i32 @llvm.eh.typeid.for(i8*) #3 |
| 59 | |
| 60 | declare void @__cxa_end_catch() |
| 61 | |
| 62 | declare i8* @__cxa_allocate_exception(i64) |
| 63 | |
| 64 | declare i32 @__gxx_personality_v0(...) |
| 65 | |
| 66 | declare void @__cxa_throw(i8*, i8*, i8*) |
| 67 | |
| 68 | declare i8* @__cxa_begin_catch(i8*) |
| 69 | |
| 70 | declare void @_ZSt9terminatev() |
| 71 | |
| 72 | attributes #0 = { ssp uwtable } |
| 73 | attributes #1 = { noinline noreturn nounwind } |
| 74 | attributes #2 = { noreturn } |
| 75 | attributes #3 = { nounwind readnone } |
| 76 | attributes #4 = { nounwind } |
| 77 | attributes #5 = { noreturn nounwind } |