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      1 // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -fobjc-arc -fexceptions -fobjc-exceptions -fobjc-runtime-has-weak -o - %s | FileCheck %s
      2 
      3 @class Ety;
      4 
      5 // These first two tests are all PR11732 / rdar://problem/10667070.
      6 
      7 void test0_helper(void);
      8 void test0(void) {
      9   @try {
     10     test0_helper();
     11   } @catch (Ety *e) {
     12   }
     13 }
     14 // CHECK: define void @test0()
     15 // CHECK:      [[E:%.*]] = alloca [[ETY:%.*]]*, align 8
     16 // CHECK-NEXT: invoke void @test0_helper()
     17 // CHECK:      [[T0:%.*]] = call i8* @objc_begin_catch(
     18 // CHECK-NEXT: [[T1:%.*]] = bitcast i8* [[T0]] to [[ETY]]*
     19 // CHECK-NEXT: [[T2:%.*]] = bitcast [[ETY]]* [[T1]] to i8*
     20 // CHECK-NEXT: [[T3:%.*]] = call i8* @objc_retain(i8* [[T2]]) [[NUW:#[0-9]+]]
     21 // CHECK-NEXT: [[T4:%.*]] = bitcast i8* [[T3]] to [[ETY]]*
     22 // CHECK-NEXT: store [[ETY]]* [[T4]], [[ETY]]** [[E]]
     23 // CHECK-NEXT: [[T0:%.*]] = bitcast [[ETY]]** [[E]] to i8**
     24 // CHECK-NEXT: call void @objc_storeStrong(i8** [[T0]], i8* null) [[NUW]]
     25 // CHECK-NEXT: call void @objc_end_catch() [[NUW]]
     26 
     27 void test1_helper(void);
     28 void test1(void) {
     29   @try {
     30     test1_helper();
     31   } @catch (__weak Ety *e) {
     32   }
     33 }
     34 // CHECK: define void @test1()
     35 // CHECK:      [[E:%.*]] = alloca [[ETY:%.*]]*, align 8
     36 // CHECK-NEXT: invoke void @test1_helper()
     37 // CHECK:      [[T0:%.*]] = call i8* @objc_begin_catch(
     38 // CHECK-NEXT: [[T1:%.*]] = bitcast i8* [[T0]] to [[ETY]]*
     39 // CHECK-NEXT: [[T2:%.*]] = bitcast [[ETY]]** [[E]] to i8**
     40 // CHECK-NEXT: [[T3:%.*]] = bitcast [[ETY]]* [[T1]] to i8*
     41 // CHECK-NEXT: call i8* @objc_initWeak(i8** [[T2]], i8* [[T3]]) [[NUW]]
     42 // CHECK-NEXT: [[T0:%.*]] = bitcast [[ETY]]** [[E]] to i8**
     43 // CHECK-NEXT: call void @objc_destroyWeak(i8** [[T0]]) [[NUW]]
     44 // CHECK-NEXT: call void @objc_end_catch() [[NUW]]
     45 
     46 // CHECK: attributes [[NUW]] = { nounwind }
     47