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
18 lines
872 B
Objective-C
18 lines
872 B
Objective-C
// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -fblocks -fobjc-arc -fobjc-runtime-has-weak -o - %s | FileCheck -check-prefix=CHECK-UNOPT %s
|
|
// rdar://12530881
|
|
|
|
void test19(void) {
|
|
__block id x;
|
|
^{ (void)x; };
|
|
// CHECK-UNOPT-LABEL: define internal void @__Block_byref_object_copy
|
|
// CHECK-UNOPT: [[X:%.*]] = getelementptr inbounds [[BYREF_T:%.*]], ptr [[VAR:%.*]], i32 0, i32 6
|
|
// CHECK-UNOPT: [[X2:%.*]] = getelementptr inbounds [[BYREF_T:%.*]], ptr [[VAR1:%.*]], i32 0, i32 6
|
|
// CHECK-UNOPT-NEXT: [[SIX:%.*]] = load ptr, ptr [[X2]], align 8
|
|
// CHECK-UNOPT-NEXT: store ptr null, ptr [[X]], align 8
|
|
// CHECK-UNOPT-NEXT: call void @llvm.objc.storeStrong(ptr [[X]], ptr [[SIX]]) [[NUW:#[0-9]+]]
|
|
// CHECK-UNOPT-NEXT: call void @llvm.objc.storeStrong(ptr [[X2]], ptr null) [[NUW]]
|
|
// CHECK-UNOPT-NEXT: ret void
|
|
}
|
|
|
|
// CHECK: attributes [[NUW]] = { nounwind }
|