e0ac46e69d
This reverts commit d618f1c3b12effd0c2bdb7d02108d3551f389d3d. This commit wasn't reviewed ahead of time and significant concerns were raised immediately after it landed. According to our developer policy this warrants immediate revert of the commit. https://llvm.org/docs/DeveloperPolicy.html#patch-reversion-policy Differential Revision: https://reviews.llvm.org/D155509
75 lines
2.5 KiB
Objective-C
75 lines
2.5 KiB
Objective-C
// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -fblocks -fobjc-arc -fobjc-runtime-has-weak -o - %s | FileCheck %s
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// rdar://10849570
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@interface NSObject @end
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@interface SomeClass : NSObject
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- (id) init;
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@end
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@implementation SomeClass
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- (void)foo {
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}
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- (id) init {
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return 0;
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}
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+ alloc { return 0; }
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@end
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int main (int argc, const char * argv[]) {
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@autoreleasepool {
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SomeClass *objPtr1 = [[SomeClass alloc] init];
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__weak SomeClass *weakRef = objPtr1;
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[weakRef foo];
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objPtr1 = (void *)0;
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return 0;
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}
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}
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// CHECK: [[SIXTEEN:%.*]] = call ptr @llvm.objc.loadWeakRetained(ptr {{%.*}})
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// CHECK-NEXT: [[EIGHTEEN:%.*]] = load ptr, ptr @OBJC_SELECTOR_REFERENCES_.6
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// CHECK-NEXT: call void @objc_msgSend
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// CHECK-NEXT: call void @llvm.objc.release(ptr [[SIXTEEN]])
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void test1(int cond) {
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extern void test34_sink(id *);
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__weak id weak;
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test34_sink(cond ? &weak : 0);
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}
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// CHECK-LABEL: define{{.*}} void @test1(
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// CHECK: [[CONDADDR:%.*]] = alloca i32
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// CHECK-NEXT: [[WEAK:%.*]] = alloca ptr
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// CHECK-NEXT: [[INCRTEMP:%.*]] = alloca ptr
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// CHECK-NEXT: [[CONDCLEANUPSAVE:%.*]] = alloca ptr
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// CHECK-NEXT: [[CONDCLEANUP:%.*]] = alloca i1
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// CHECK-NEXT: store i32
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// CHECK-NEXT: store ptr null, ptr [[WEAK]]
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// CHECK: [[COND1:%.*]] = phi ptr
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// CHECK-NEXT: [[ICRISNULL:%.*]] = icmp eq ptr [[COND1]], null
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// CHECK-NEXT: [[ICRARGUMENT:%.*]] = select i1 [[ICRISNULL]], ptr null, ptr [[INCRTEMP]]
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// CHECK-NEXT: store i1 false, ptr [[CONDCLEANUP]]
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// CHECK-NEXT: br i1 [[ICRISNULL]], label [[ICRCONT:%.*]], label [[ICRCOPY:%.*]]
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// CHECK: [[ONE:%.*]] = call ptr @llvm.objc.loadWeakRetained(
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// CHECK-NEXT: store ptr [[ONE]], ptr [[CONDCLEANUPSAVE]]
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// CHECK-NEXT: store i1 true, ptr [[CONDCLEANUP]]
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// CHECK-NEXT: store ptr [[ONE]], ptr [[INCRTEMP]]
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// CHECK-NEXT: br label
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// CHECK: call void @test34_sink(
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// CHECK-NEXT: [[ICRISNULL1:%.*]] = icmp eq ptr [[COND1]], null
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// CHECK-NEXT: br i1 [[ICRISNULL1]], label [[ICRDONE:%.*]], label [[ICRWRITEBACK:%.*]]
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// CHECK: [[TWO:%.*]] = load ptr, ptr [[INCRTEMP]]
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// CHECK-NEXT: [[THREE:%.*]] = call ptr @llvm.objc.storeWeak(
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// CHECK-NEXT: br label [[ICRDONE]]
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// CHECK: [[CLEANUPISACTIVE:%.*]] = load i1, ptr [[CONDCLEANUP]]
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// CHECK-NEXT: br i1 [[CLEANUPISACTIVE]], label [[CLEASNUPACTION:%.*]], label [[CLEANUPDONE:%.*]]
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// CHECK: [[FOUR:%.*]] = load ptr, ptr [[CONDCLEANUPSAVE]]
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// CHECK-NEXT: call void @llvm.objc.release(ptr [[FOUR]])
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// CHECK-NEXT: br label
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// CHECK: call void @llvm.objc.destroyWeak(ptr [[WEAK]])
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// CHECK-NEXT: ret void
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