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// 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* @llvm.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 @llvm.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* @llvm.objc.initWeak(i8** [[T2]], i8* [[T3]]) [[NUW]]
// CHECK-NEXT: [[T0:%.*]] = bitcast [[ETY]]** [[E]] to i8**
// CHECK-NEXT: call void @llvm.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* @llvm.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 @llvm.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* @llvm.objc.initWeak(i8** [[T2]], i8* [[T3]]) [[NUW]]
// CHECK-NEXT: [[T0:%.*]] = bitcast [[ETY]]** [[E]] to i8**
// CHECK-NEXT: call void @llvm.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* align 8 [[T0]], i8 0, i64 48, 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 @llvm.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 @llvm.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 }
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