| // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -fobjc-arc -fexceptions -fobjc-exceptions -fcxx-exceptions -fobjc-runtime-has-weak -o - -fobjc-arc-exceptions %s | FileCheck %s |
| |
| @class Ety; |
| |
| // These first four tests are all PR11732 / rdar://problem/10667070. |
| |
| void test0_helper(void); |
| void test0(void) { |
| @try { |
| test0_helper(); |
| } @catch (Ety *e) { |
| } |
| } |
| // CHECK-LABEL: define void @_Z5test0v() |
| // CHECK: [[E:%.*]] = alloca [[ETY:%.*]]*, align 8 |
| // CHECK-NEXT: invoke void @_Z12test0_helperv() |
| // CHECK: [[T0:%.*]] = call i8* @objc_begin_catch( |
| // CHECK-NEXT: [[T1:%.*]] = bitcast i8* [[T0]] to [[ETY]]* |
| // CHECK-NEXT: [[T2:%.*]] = bitcast [[ETY]]* [[T1]] to i8* |
| // CHECK-NEXT: [[T3:%.*]] = call i8* @objc_retain(i8* [[T2]]) [[NUW:#[0-9]+]] |
| // CHECK-NEXT: [[T4:%.*]] = bitcast i8* [[T3]] to [[ETY]]* |
| // CHECK-NEXT: store [[ETY]]* [[T4]], [[ETY]]** [[E]] |
| // CHECK-NEXT: [[T0:%.*]] = bitcast [[ETY]]** [[E]] to i8** |
| // CHECK-NEXT: call void @objc_storeStrong(i8** [[T0]], i8* null) [[NUW]] |
| // CHECK-NEXT: call void @objc_end_catch() [[NUW]] |
| |
| void test1_helper(void); |
| void test1(void) { |
| @try { |
| test1_helper(); |
| } @catch (__weak Ety *e) { |
| } |
| } |
| // CHECK-LABEL: define void @_Z5test1v() |
| // CHECK: [[E:%.*]] = alloca [[ETY:%.*]]*, align 8 |
| // CHECK-NEXT: invoke void @_Z12test1_helperv() |
| // CHECK: [[T0:%.*]] = call i8* @objc_begin_catch( |
| // CHECK-NEXT: [[T1:%.*]] = bitcast i8* [[T0]] to [[ETY]]* |
| // CHECK-NEXT: [[T2:%.*]] = bitcast [[ETY]]** [[E]] to i8** |
| // CHECK-NEXT: [[T3:%.*]] = bitcast [[ETY]]* [[T1]] to i8* |
| // CHECK-NEXT: call i8* @objc_initWeak(i8** [[T2]], i8* [[T3]]) [[NUW]] |
| // CHECK-NEXT: [[T0:%.*]] = bitcast [[ETY]]** [[E]] to i8** |
| // CHECK-NEXT: call void @objc_destroyWeak(i8** [[T0]]) [[NUW]] |
| // CHECK-NEXT: call void @objc_end_catch() [[NUW]] |
| |
| void test2_helper(void); |
| void test2(void) { |
| try { |
| test2_helper(); |
| } catch (Ety *e) { |
| } |
| } |
| // CHECK-LABEL: define void @_Z5test2v() |
| // CHECK: [[E:%.*]] = alloca [[ETY:%.*]]*, align 8 |
| // CHECK-NEXT: invoke void @_Z12test2_helperv() |
| // CHECK: [[T0:%.*]] = call i8* @__cxa_begin_catch( |
| // CHECK-NEXT: [[T1:%.*]] = bitcast i8* [[T0]] to [[ETY]]* |
| // CHECK-NEXT: [[T2:%.*]] = bitcast [[ETY]]* [[T1]] to i8* |
| // CHECK-NEXT: [[T3:%.*]] = call i8* @objc_retain(i8* [[T2]]) [[NUW]] |
| // CHECK-NEXT: [[T4:%.*]] = bitcast i8* [[T3]] to [[ETY]]* |
| // CHECK-NEXT: store [[ETY]]* [[T4]], [[ETY]]** [[E]] |
| // CHECK-NEXT: [[T0:%.*]] = bitcast [[ETY]]** [[E]] to i8** |
| // CHECK-NEXT: call void @objc_storeStrong(i8** [[T0]], i8* null) [[NUW]] |
| // CHECK-NEXT: call void @__cxa_end_catch() [[NUW]] |
| |
| void test3_helper(void); |
| void test3(void) { |
| try { |
| test3_helper(); |
| } catch (Ety * __weak e) { |
| } |
| } |
| // CHECK-LABEL: define void @_Z5test3v() |
| // CHECK: [[E:%.*]] = alloca [[ETY:%.*]]*, align 8 |
| // CHECK-NEXT: invoke void @_Z12test3_helperv() |
| // CHECK: [[T0:%.*]] = call i8* @__cxa_begin_catch( |
| // CHECK-NEXT: [[T1:%.*]] = bitcast i8* [[T0]] to [[ETY]]* |
| // CHECK-NEXT: [[T2:%.*]] = bitcast [[ETY]]** [[E]] to i8** |
| // CHECK-NEXT: [[T3:%.*]] = bitcast [[ETY]]* [[T1]] to i8* |
| // CHECK-NEXT: call i8* @objc_initWeak(i8** [[T2]], i8* [[T3]]) [[NUW]] |
| // CHECK-NEXT: [[T0:%.*]] = bitcast [[ETY]]** [[E]] to i8** |
| // CHECK-NEXT: call void @objc_destroyWeak(i8** [[T0]]) [[NUW]] |
| // CHECK-NEXT: call void @__cxa_end_catch() [[NUW]] |
| |
| namespace test4 { |
| struct A { |
| id single; |
| id array[2][3]; |
| |
| A(); |
| }; |
| |
| A::A() { |
| throw 0; |
| } |
| // CHECK-LABEL: define void @_ZN5test41AC2Ev( |
| // CHECK: [[THIS:%.*]] = load [[A:%.*]]*, [[A:%.*]]** {{%.*}} |
| // Construct single. |
| // CHECK-NEXT: [[SINGLE:%.*]] = getelementptr inbounds [[A]], [[A]]* [[THIS]], i32 0, i32 0 |
| // CHECK-NEXT: store i8* null, i8** [[SINGLE]], align 8 |
| // Construct array. |
| // CHECK-NEXT: [[ARRAY:%.*]] = getelementptr inbounds [[A]], [[A]]* [[THIS]], i32 0, i32 1 |
| // CHECK-NEXT: [[T0:%.*]] = bitcast [2 x [3 x i8*]]* [[ARRAY]] to i8* |
| // CHECK-NEXT: call void @llvm.memset.p0i8.i64(i8* [[T0]], i8 0, i64 48, i32 8, i1 false) |
| // throw 0; |
| // CHECK: invoke void @__cxa_throw( |
| // Landing pad from throw site: |
| // CHECK: landingpad |
| // - First, destroy all of array. |
| // CHECK: [[ARRAYBEGIN:%.*]] = getelementptr inbounds [2 x [3 x i8*]], [2 x [3 x i8*]]* [[ARRAY]], i32 0, i32 0, i32 0 |
| // CHECK-NEXT: [[ARRAYEND:%.*]] = getelementptr inbounds i8*, i8** [[ARRAYBEGIN]], i64 6 |
| // CHECK-NEXT: br label |
| // CHECK: [[AFTER:%.*]] = phi i8** [ [[ARRAYEND]], {{%.*}} ], [ [[ELT:%.*]], {{%.*}} ] |
| // CHECK-NEXT: [[ELT]] = getelementptr inbounds i8*, i8** [[AFTER]], i64 -1 |
| // CHECK-NEXT: call void @objc_storeStrong(i8** [[ELT]], i8* null) [[NUW]] |
| // CHECK-NEXT: [[DONE:%.*]] = icmp eq i8** [[ELT]], [[ARRAYBEGIN]] |
| // CHECK-NEXT: br i1 [[DONE]], |
| // - Next, destroy single. |
| // CHECK: call void @objc_storeStrong(i8** [[SINGLE]], i8* null) [[NUW]] |
| // CHECK: br label |
| // CHECK: resume |
| } |
| |
| // rdar://21397946 |
| __attribute__((ns_returns_retained)) id test5_helper(unsigned); |
| void test5(void) { |
| id array[][2] = { |
| test5_helper(0), |
| test5_helper(1), |
| test5_helper(2), |
| test5_helper(3) |
| }; |
| } |
| // CHECK-LABEL: define void @_Z5test5v() |
| // CHECK: [[ARRAY:%.*]] = alloca [2 x [2 x i8*]], align |
| // CHECK: [[A0:%.*]] = getelementptr inbounds [2 x [2 x i8*]], [2 x [2 x i8*]]* [[ARRAY]], i64 0, i64 0 |
| // CHECK-NEXT: store [2 x i8*]* [[A0]], |
| // CHECK-NEXT: [[A00:%.*]] = getelementptr inbounds [2 x i8*], [2 x i8*]* [[A0]], i64 0, i64 0 |
| // CHECK-NEXT: store i8** [[A00]], |
| // CHECK-NEXT: [[T0:%.*]] = invoke i8* @_Z12test5_helperj(i32 0) |
| // CHECK: store i8* [[T0]], i8** [[A00]], align |
| // CHECK-NEXT: [[A01:%.*]] = getelementptr inbounds i8*, i8** [[A00]], i64 1 |
| // CHECK-NEXT: store i8** [[A01]], |
| // CHECK-NEXT: [[T0:%.*]] = invoke i8* @_Z12test5_helperj(i32 1) |
| // CHECK: store i8* [[T0]], i8** [[A01]], align |
| // CHECK-NEXT: [[A1:%.*]] = getelementptr inbounds [2 x i8*], [2 x i8*]* [[A0]], i64 1 |
| // CHECK-NEXT: store [2 x i8*]* [[A1]], |
| // CHECK-NEXT: [[A10:%.*]] = getelementptr inbounds [2 x i8*], [2 x i8*]* [[A1]], i64 0, i64 0 |
| // CHECK-NEXT: store i8** [[A10]], |
| // CHECK-NEXT: [[T0:%.*]] = invoke i8* @_Z12test5_helperj(i32 2) |
| // CHECK: store i8* [[T0]], i8** [[A10]], align |
| // CHECK-NEXT: [[A11:%.*]] = getelementptr inbounds i8*, i8** [[A10]], i64 1 |
| // CHECK-NEXT: store i8** [[A11]], |
| // CHECK-NEXT: [[T0:%.*]] = invoke i8* @_Z12test5_helperj(i32 3) |
| // CHECK: store i8* [[T0]], i8** [[A11]], align |
| |
| // CHECK: attributes [[NUW]] = { nounwind } |