124 lines
4.8 KiB
Text
124 lines
4.8 KiB
Text
// 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
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@class Ety;
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// These first four tests are all PR11732 / rdar://problem/10667070.
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void test0_helper(void);
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void test0(void) {
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@try {
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test0_helper();
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} @catch (Ety *e) {
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}
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}
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// CHECK-LABEL: define void @_Z5test0v()
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// CHECK: [[E:%.*]] = alloca [[ETY:%.*]]*, align 8
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// CHECK-NEXT: invoke void @_Z12test0_helperv()
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// CHECK: [[T0:%.*]] = call i8* @objc_begin_catch(
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// CHECK-NEXT: [[T1:%.*]] = bitcast i8* [[T0]] to [[ETY]]*
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// CHECK-NEXT: [[T2:%.*]] = bitcast [[ETY]]* [[T1]] to i8*
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// CHECK-NEXT: [[T3:%.*]] = call i8* @objc_retain(i8* [[T2]]) [[NUW:#[0-9]+]]
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// CHECK-NEXT: [[T4:%.*]] = bitcast i8* [[T3]] to [[ETY]]*
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// CHECK-NEXT: store [[ETY]]* [[T4]], [[ETY]]** [[E]]
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// CHECK-NEXT: [[T0:%.*]] = bitcast [[ETY]]** [[E]] to i8**
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// CHECK-NEXT: call void @objc_storeStrong(i8** [[T0]], i8* null) [[NUW]]
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// CHECK-NEXT: call void @objc_end_catch() [[NUW]]
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void test1_helper(void);
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void test1(void) {
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@try {
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test1_helper();
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} @catch (__weak Ety *e) {
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}
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}
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// CHECK-LABEL: define void @_Z5test1v()
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// CHECK: [[E:%.*]] = alloca [[ETY:%.*]]*, align 8
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// CHECK-NEXT: invoke void @_Z12test1_helperv()
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// CHECK: [[T0:%.*]] = call i8* @objc_begin_catch(
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// CHECK-NEXT: [[T1:%.*]] = bitcast i8* [[T0]] to [[ETY]]*
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// CHECK-NEXT: [[T2:%.*]] = bitcast [[ETY]]** [[E]] to i8**
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// CHECK-NEXT: [[T3:%.*]] = bitcast [[ETY]]* [[T1]] to i8*
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// CHECK-NEXT: call i8* @objc_initWeak(i8** [[T2]], i8* [[T3]]) [[NUW]]
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// CHECK-NEXT: [[T0:%.*]] = bitcast [[ETY]]** [[E]] to i8**
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// CHECK-NEXT: call void @objc_destroyWeak(i8** [[T0]]) [[NUW]]
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// CHECK-NEXT: call void @objc_end_catch() [[NUW]]
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void test2_helper(void);
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void test2(void) {
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try {
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test2_helper();
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} catch (Ety *e) {
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}
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}
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// CHECK-LABEL: define void @_Z5test2v()
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// CHECK: [[E:%.*]] = alloca [[ETY:%.*]]*, align 8
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// CHECK-NEXT: invoke void @_Z12test2_helperv()
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// CHECK: [[T0:%.*]] = call i8* @__cxa_begin_catch(
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// CHECK-NEXT: [[T1:%.*]] = bitcast i8* [[T0]] to [[ETY]]*
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// CHECK-NEXT: [[T2:%.*]] = bitcast [[ETY]]* [[T1]] to i8*
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// CHECK-NEXT: [[T3:%.*]] = call i8* @objc_retain(i8* [[T2]]) [[NUW]]
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// CHECK-NEXT: [[T4:%.*]] = bitcast i8* [[T3]] to [[ETY]]*
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// CHECK-NEXT: store [[ETY]]* [[T4]], [[ETY]]** [[E]]
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// CHECK-NEXT: [[T0:%.*]] = bitcast [[ETY]]** [[E]] to i8**
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// CHECK-NEXT: call void @objc_storeStrong(i8** [[T0]], i8* null) [[NUW]]
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// CHECK-NEXT: call void @__cxa_end_catch() [[NUW]]
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void test3_helper(void);
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void test3(void) {
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try {
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test3_helper();
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} catch (Ety * __weak e) {
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}
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}
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// CHECK-LABEL: define void @_Z5test3v()
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// CHECK: [[E:%.*]] = alloca [[ETY:%.*]]*, align 8
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// CHECK-NEXT: invoke void @_Z12test3_helperv()
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// CHECK: [[T0:%.*]] = call i8* @__cxa_begin_catch(
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// CHECK-NEXT: [[T1:%.*]] = bitcast i8* [[T0]] to [[ETY]]*
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// CHECK-NEXT: [[T2:%.*]] = bitcast [[ETY]]** [[E]] to i8**
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// CHECK-NEXT: [[T3:%.*]] = bitcast [[ETY]]* [[T1]] to i8*
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// CHECK-NEXT: call i8* @objc_initWeak(i8** [[T2]], i8* [[T3]]) [[NUW]]
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// CHECK-NEXT: [[T0:%.*]] = bitcast [[ETY]]** [[E]] to i8**
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// CHECK-NEXT: call void @objc_destroyWeak(i8** [[T0]]) [[NUW]]
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// CHECK-NEXT: call void @__cxa_end_catch() [[NUW]]
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namespace test4 {
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struct A {
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id single;
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id array[2][3];
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A();
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};
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A::A() {
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throw 0;
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}
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// CHECK-LABEL: define void @_ZN5test41AC2Ev(
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// CHECK: [[THIS:%.*]] = load [[A:%.*]]** {{%.*}}
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// Construct single.
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// CHECK-NEXT: [[SINGLE:%.*]] = getelementptr inbounds [[A]]* [[THIS]], i32 0, i32 0
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// CHECK-NEXT: store i8* null, i8** [[SINGLE]], align 8
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// Construct array.
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// CHECK-NEXT: [[ARRAY:%.*]] = getelementptr inbounds [[A]]* [[THIS]], i32 0, i32 1
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// CHECK-NEXT: [[T0:%.*]] = bitcast [2 x [3 x i8*]]* [[ARRAY]] to i8*
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// CHECK-NEXT: call void @llvm.memset.p0i8.i64(i8* [[T0]], i8 0, i64 48, i32 8, i1 false)
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// throw 0;
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// CHECK: invoke void @__cxa_throw(
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// Landing pad from throw site:
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// CHECK: landingpad
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// - First, destroy all of array.
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// CHECK: [[ARRAYBEGIN:%.*]] = getelementptr inbounds [2 x [3 x i8*]]* [[ARRAY]], i32 0, i32 0, i32 0
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// CHECK-NEXT: [[ARRAYEND:%.*]] = getelementptr inbounds i8** [[ARRAYBEGIN]], i64 6
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// CHECK-NEXT: br label
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// CHECK: [[AFTER:%.*]] = phi i8** [ [[ARRAYEND]], {{%.*}} ], [ [[ELT:%.*]], {{%.*}} ]
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// CHECK-NEXT: [[ELT]] = getelementptr inbounds i8** [[AFTER]], i64 -1
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// CHECK-NEXT: call void @objc_storeStrong(i8** [[ELT]], i8* null) [[NUW]]
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// CHECK-NEXT: [[DONE:%.*]] = icmp eq i8** [[ELT]], [[ARRAYBEGIN]]
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// CHECK-NEXT: br i1 [[DONE]],
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// - Next, destroy single.
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// CHECK: call void @objc_storeStrong(i8** [[SINGLE]], i8* null) [[NUW]]
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// CHECK: br label
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// CHECK: resume
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}
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// CHECK: attributes [[NUW]] = { nounwind }
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