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arc-new-delete.mm
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// RUN: %clang_cc1 -fobjc-arc -fobjc-runtime-has-weak -fblocks -triple x86_64-apple-darwin10.0.0 -emit-llvm -o - %s | FileCheck %s -check-prefix=CHECK -check-prefix=UNOPT
// RUN: %clang_cc1 -fobjc-arc -fobjc-runtime-has-weak -fblocks -triple x86_64-apple-darwin10.0.0 -emit-llvm -o - %s -O -disable-llvm-passes | FileCheck %s -check-prefix=CHECK -check-prefix=OPT
typedef __strong id strong_id;
typedef __weak id weak_id;
// CHECK-LABEL: define void @_Z8test_newP11objc_object
void test_new(id invalue) {
// CHECK: [[INVALUEADDR:%.*]] = alloca i8*
// UNOPT-NEXT: store i8* null, i8** [[INVALUEADDR]]
// UNOPT-NEXT: call void @objc_storeStrong(i8** [[INVALUEADDR]], i8* [[INVALUE:%.*]])
// OPT-NEXT: [[T0:%.*]] = call i8* @objc_retain(i8* [[INVALUE:%.*]])
// OPT-NEXT: store i8* [[T0]], i8** [[INVALUEADDR]]
// CHECK: call i8* @_Znwm
// CHECK-NEXT: {{bitcast i8\*.*to i8\*\*}}
// CHECK-NEXT: store i8* null, i8**
new strong_id;
// CHECK: call i8* @_Znwm
// CHECK-NEXT: {{bitcast i8\*.*to i8\*\*}}
// UNOPT-NEXT: store i8* null, i8**
// OPT-NEXT: call i8* @objc_initWeak(i8** {{.*}}, i8* null)
new weak_id;
// CHECK: call i8* @_Znwm
// CHECK-NEXT: {{bitcast i8\*.*to i8\*\*}}
// CHECK-NEXT: store i8* null, i8**
new __strong id;
// CHECK: call i8* @_Znwm
// CHECK-NEXT: {{bitcast i8\*.*to i8\*\*}}
// UNOPT-NEXT: store i8* null, i8**
// OPT-NEXT: call i8* @objc_initWeak(i8** {{.*}}, i8* null)
new __weak id;
// CHECK: call i8* @_Znwm
// CHECK: call i8* @objc_retain
// CHECK: store i8*
new __strong id(invalue);
// CHECK: call i8* @_Znwm
// CHECK: call i8* @objc_initWeak
new __weak id(invalue);
// UNOPT: call void @objc_storeStrong
// OPT: call void @objc_release
// CHECK: ret void
}
// CHECK-LABEL: define void @_Z14test_array_new
void test_array_new() {
// CHECK: call i8* @_Znam
// CHECK: store i64 17, i64*
// CHECK: call void @llvm.memset.p0i8.i64
new strong_id[17];
// CHECK: call i8* @_Znam
// CHECK: store i64 17, i64*
// CHECK: call void @llvm.memset.p0i8.i64
new weak_id[17];
// CHECK: ret void
}
// CHECK-LABEL: define void @_Z11test_deletePU8__strongP11objc_objectPU6__weakS0_
void test_delete(__strong id *sptr, __weak id *wptr) {
// CHECK: br i1
// UNOPT: call void @objc_storeStrong(i8** {{.*}}, i8* null)
// OPT: load i8*, i8**
// OPT-NEXT: call void @objc_release
// CHECK: call void @_ZdlPv
delete sptr;
// CHECK: call void @objc_destroyWeak
// CHECK: call void @_ZdlPv
delete wptr;
// CHECK: ret void
}
// CHECK-LABEL: define void @_Z17test_array_deletePU8__strongP11objc_objectPU6__weakS0_
void test_array_delete(__strong id *sptr, __weak id *wptr) {
// CHECK: icmp eq i8** [[BEGIN:%.*]], null
// CHECK: [[LEN:%.*]] = load i64, i64* {{%.*}}
// CHECK: [[END:%.*]] = getelementptr inbounds i8*, i8** [[BEGIN]], i64 [[LEN]]
// CHECK-NEXT: icmp eq i8** [[BEGIN]], [[END]]
// CHECK: [[PAST:%.*]] = phi i8** [ [[END]], {{%.*}} ], [ [[CUR:%.*]],
// CHECK-NEXT: [[CUR]] = getelementptr inbounds i8*, i8** [[PAST]], i64 -1
// UNOPT-NEXT: call void @objc_storeStrong(i8** [[CUR]], i8* null)
// OPT-NEXT: [[T0:%.*]] = load i8*, i8** [[CUR]]
// OPT-NEXT: objc_release(i8* [[T0]])
// CHECK-NEXT: icmp eq i8** [[CUR]], [[BEGIN]]
// CHECK: call void @_ZdaPv
delete [] sptr;
// CHECK: icmp eq i8** [[BEGIN:%.*]], null
// CHECK: [[LEN:%.*]] = load i64, i64* {{%.*}}
// CHECK: [[END:%.*]] = getelementptr inbounds i8*, i8** [[BEGIN]], i64 [[LEN]]
// CHECK-NEXT: icmp eq i8** [[BEGIN]], [[END]]
// CHECK: [[PAST:%.*]] = phi i8** [ [[END]], {{%.*}} ], [ [[CUR:%.*]],
// CHECK-NEXT: [[CUR]] = getelementptr inbounds i8*, i8** [[PAST]], i64 -1
// CHECK-NEXT: call void @objc_destroyWeak(i8** [[CUR]])
// CHECK-NEXT: icmp eq i8** [[CUR]], [[BEGIN]]
// CHECK: call void @_ZdaPv
delete [] wptr;
}