forked from OSchip/llvm-project
150 lines
8.4 KiB
Objective-C
150 lines
8.4 KiB
Objective-C
// RUN: %clang_cc1 %s -emit-llvm -o - -triple x86_64-darwin-apple -fobjc-arc -O2 -fno-experimental-new-pass-manager | FileCheck %s --check-prefixes=CHECK,CHECK-LEGACY
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// RUN: %clang_cc1 %s -emit-llvm -o - -triple x86_64-darwin-apple -fobjc-arc -O2 -fexperimental-new-pass-manager | FileCheck %s --check-prefixes=CHECK,CHECK-NEWPM
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// RUN: %clang_cc1 %s -emit-llvm -o - -triple x86_64-darwin-apple -fobjc-arc -O0 | FileCheck %s -check-prefix=CHECK-O0
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// RUN: %clang_cc1 %s -emit-llvm -o - -triple x86_64-darwin-apple -O2 -disable-llvm-passes | FileCheck %s -check-prefix=CHECK-MRR
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// Make sure we emit clang.arc.use before calling objc_release as part of the
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// cleanup. This way we make sure the object will not be released until the
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// end of the full expression.
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// rdar://problem/24528966
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@class NSString;
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extern __attribute__((visibility("default"))) NSString *GenString();
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// Behavior of __builtin_os_log differs between platforms, so only test on X86
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#ifdef __x86_64__
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// CHECK-LABEL: define i8* @test_builtin_os_log
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// CHECK-O0-LABEL: define i8* @test_builtin_os_log
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// CHECK: (i8* returned %[[BUF:.*]])
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// CHECK-O0: (i8* %[[BUF:.*]])
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void *test_builtin_os_log(void *buf) {
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return __builtin_os_log_format(buf, "capabilities: %@", GenString());
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// CHECK: %[[CALL:.*]] = tail call %[[TY0:.*]]* (...) @GenString()
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// CHECK: %[[V0:.*]] = bitcast %[[TY0]]* %[[CALL]] to i8*
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// CHECK: %[[V1:.*]] = notail call i8* @llvm.objc.retainAutoreleasedReturnValue(i8* %[[V0]])
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// CHECK-LEGACY: %[[V2:.*]] = ptrtoint %[[TY0]]* %[[CALL]] to i64
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// CHECK-NEWPM: %[[RETAINED:.*]] = tail call i8* @llvm.objc.retain(i8* %[[V1]])
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// CHECK-NEWPM: %[[V2:.*]] = ptrtoint i8* %[[RETAINED]] to i64
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// CHECK: store i8 2, i8* %[[BUF]], align 1
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// CHECK: %[[NUMARGS_I:.*]] = getelementptr i8, i8* %[[BUF]], i64 1
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// CHECK: store i8 1, i8* %[[NUMARGS_I]], align 1
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// CHECK: %[[ARGDESCRIPTOR_I:.*]] = getelementptr i8, i8* %[[BUF]], i64 2
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// CHECK: store i8 64, i8* %[[ARGDESCRIPTOR_I]], align 1
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// CHECK: %[[ARGSIZE_I:.*]] = getelementptr i8, i8* %[[BUF]], i64 3
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// CHECK: store i8 8, i8* %[[ARGSIZE_I]], align 1
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// CHECK: %[[ARGDATA_I:.*]] = getelementptr i8, i8* %[[BUF]], i64 4
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// CHECK: %[[ARGDATACAST_I:.*]] = bitcast i8* %[[ARGDATA_I]] to i64*
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// CHECK: store i64 %[[V2]], i64* %[[ARGDATACAST_I]], align 1
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// CHECK-LEGACY: tail call void (...) @llvm.objc.clang.arc.use(%[[TY0]]* %[[CALL]])
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// CHECK-LEGACY: tail call void @llvm.objc.release(i8* %[[V0]])
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// CHECK-NEWPM: tail call void (...) @llvm.objc.clang.arc.use(i8* %[[RETAINED]])
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// CHECK-NEWPM: tail call void @llvm.objc.release(i8* %[[RETAINED]])
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// CHECK: ret i8* %[[BUF]]
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// clang.arc.use is used and removed in IR optimizations. At O0, we should not
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// emit clang.arc.use, since it will not be removed and we will have a link
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// error.
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// CHECK-O0: %[[BUF_ADDR:.*]] = alloca i8*, align 8
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// CHECK-O0: store i8* %[[BUF]], i8** %[[BUF_ADDR]], align 8
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// CHECK-O0: %[[V0:.*]] = load i8*, i8** %[[BUF_ADDR]], align 8
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// CHECK-O0: %[[CALL:.*]] = call %[[TY0:.*]]* (...) @GenString()
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// CHECK-O0: %[[V1:.*]] = bitcast %[[TY0]]* %[[CALL]] to i8*
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// CHECK-O0: %[[V2:.*]] = notail call i8* @llvm.objc.retainAutoreleasedReturnValue(i8* %[[V1]])
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// CHECK-O0: %[[V3:.*]] = bitcast i8* %[[V2]] to %[[TY0]]*
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// CHECK-O0: %[[V4:.*]] = bitcast %0* %[[V3]] to i8*
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// CHECK-O0: %[[V5:.*]] = call i8* @llvm.objc.retain(i8* %[[V4]])
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// CHECK-O0: %[[V6:.*]] = bitcast i8* %[[V5]] to %0*
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// CHECK-O0: %[[V7:.*]] = ptrtoint %0* %[[V6]] to i64
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// CHECK-O0: call void @__os_log_helper_1_2_1_8_64(i8* %[[V0]], i64 %[[V7]])
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// CHECK-O0: %[[V5:.*]] = bitcast %[[TY0]]* %[[V3]] to i8*
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// CHECK-O0-NOT: call void (...) @llvm.objc.clang.arc.use({{.*}}
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// CHECK-O0: call void @llvm.objc.release(i8* %[[V5]])
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// CHECK-O0: ret i8* %[[V0]]
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}
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// CHECK-O0-LABEL: define linkonce_odr hidden void @__os_log_helper_1_2_1_8_64
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// CHECK-O0: (i8* %[[BUFFER:.*]], i64 %[[ARG0:.*]])
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// CHECK-O0: %[[BUFFER_ADDR:.*]] = alloca i8*, align 8
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// CHECK-O0: %[[ARG0_ADDR:.*]] = alloca i64, align 8
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// CHECK-O0: store i8* %[[BUFFER]], i8** %[[BUFFER_ADDR]], align 8
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// CHECK-O0: store i64 %[[ARG0]], i64* %[[ARG0_ADDR]], align 8
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// CHECK-O0: %[[BUF:.*]] = load i8*, i8** %[[BUFFER_ADDR]], align 8
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// CHECK-O0: %[[SUMMARY:.*]] = getelementptr i8, i8* %[[BUF]], i64 0
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// CHECK-O0: store i8 2, i8* %[[SUMMARY]], align 1
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// CHECK-O0: %[[NUMARGS:.*]] = getelementptr i8, i8* %[[BUF]], i64 1
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// CHECK-O0: store i8 1, i8* %[[NUMARGS]], align 1
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// CHECK-O0: %[[ARGDESCRIPTOR:.*]] = getelementptr i8, i8* %[[BUF]], i64 2
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// CHECK-O0: store i8 64, i8* %[[ARGDESCRIPTOR]], align 1
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// CHECK-O0: %[[ARGSIZE:.*]] = getelementptr i8, i8* %[[BUF]], i64 3
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// CHECK-O0: store i8 8, i8* %[[ARGSIZE]], align 1
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// CHECK-O0: %[[ARGDATA:.*]] = getelementptr i8, i8* %[[BUF]], i64 4
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// CHECK-O0: %[[ARGDATACAST:.*]] = bitcast i8* %[[ARGDATA]] to i64*
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// CHECK-O0: %[[V0:.*]] = load i64, i64* %[[ARG0_ADDR]], align 8
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// CHECK-O0: store i64 %[[V0]], i64* %[[ARGDATACAST]], align 1
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void os_log_pack_send(void *);
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// CHECK-NEWPM: define void @test_builtin_os_log2(i8* %[[BUF:.*]], i8* %[[A:.*]])
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// CHECK-NEWPM: %[[V0:.*]] = tail call i8* @llvm.objc.retain(i8* %[[A]])
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// CHECK-NEWPM: %[[CALL:.*]] = tail call %{{.*}}* (...) @GenString()
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// CHECK-NEWPM: %[[V1:.*]] = bitcast %{{.*}}* %[[CALL]] to i8*
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// CHECK-NEWPM: %[[V2:.*]] = notail call i8* @llvm.objc.retainAutoreleasedReturnValue(i8* %[[V1]])
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// CHECK-NEWPM: %[[V3:.*]] = tail call i8* @llvm.objc.retain(i8* %[[V2]])
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// CHECK-NEWPM: %[[V4:.*]] = ptrtoint i8* %[[V3]] to i64
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// CHECK-NEWPM: %[[V5:.*]] = tail call i8* @llvm.objc.retain(i8* %[[V0]])
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// CHECK-NEWPM: %[[V6:.*]] = ptrtoint i8* %[[V5]] to i64
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// CHECK-NEWPM: %[[ARGDATA_I:.*]] = getelementptr i8, i8* %[[BUF]], i64 4
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// CHECK-NEWPM: %[[ARGDATACAST_I:.*]] = bitcast i8* %[[ARGDATA_I]] to i64*
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// CHECK-NEWPM: store i64 %[[V4]], i64* %[[ARGDATACAST_I]], align 1
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// CHECK-NEWPM: %[[ARGDATA3_I:.*]] = getelementptr i8, i8* %[[BUF]], i64 14
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// CHECK-NEWPM: %[[ARGDATACAST4_I:.*]] = bitcast i8* %[[ARGDATA3_I]] to i64*
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// CHECK-NEWPM: store i64 %[[V6]], i64* %[[ARGDATACAST4_I]], align 1
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// CHECK-NEWPM: tail call void @llvm.objc.release(i8* %[[V2]])
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// CHECK-NEWPM: tail call void @os_log_pack_send(i8* nonnull %[[BUF]])
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// CHECK-NEWPM: tail call void (...) @llvm.objc.clang.arc.use(i8* %[[V5]])
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// CHECK-NEWPM: tail call void @llvm.objc.release(i8* %[[V5]])
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// CHECK-NEWPM: tail call void (...) @llvm.objc.clang.arc.use(i8* %[[V3]])
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// CHECK-NEWPM: tail call void @llvm.objc.release(i8* %[[V3]])
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// CHECK-NEWPM: tail call void @llvm.objc.release(i8* %[[V0]])
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// CHECK-O0: define void @test_builtin_os_log2(i8* %{{.*}}, i8* %[[A:.*]])
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// CHECK-O0: alloca i8*, align 8
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// CHECK-O0: %[[A_ADDR:.*]] = alloca i8*, align 8
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// CHECK-O0: %[[OS_LOG_ARG:.*]] = alloca %[[V0]]*, align 8
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// CHECK-O0: %[[OS_LOG_ARG1:.*]] = alloca i8*, align 8
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// CHECK-O0: call void @llvm.objc.storeStrong(i8** %[[A_ADDR]], i8* %[[A]])
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// CHECK-O0: %[[CALL:.*]] = call %{{.*}}* (...) @GenString()
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// CHECK-O0: %[[V1:.*]] = bitcast %[[V0]]* %[[CALL]] to i8*
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// CHECK-O0: %[[V2:.*]] = notail call i8* @llvm.objc.retainAutoreleasedReturnValue(i8* %[[V1]]) #2
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// CHECK-O0: %[[V3:.*]] = bitcast i8* %[[V2]] to %[[V0]]*
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// CHECK-O0: %[[V4:.*]] = bitcast %{{.*}}* %[[V3]] to i8*
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// CHECK-O0: %[[V5:.*]] = call i8* @llvm.objc.retain(i8* %[[V4]]) #2
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// CHECK-O0: %[[V6:.*]] = bitcast i8* %[[V5]] to %[[V0]]*
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// CHECK-O0: store %{{.*}}* %[[V6]], %{{.*}}** %[[OS_LOG_ARG]], align 8
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// CHECK-O0: %[[V7:.*]] = ptrtoint %[[V0]]* %[[V6]] to i64
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// CHECK-O0: %[[V8:.*]] = load i8*, i8** %[[A_ADDR]], align 8
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// CHECK-O0: %[[V9:.*]] = call i8* @llvm.objc.retain(i8* %[[V8]]) #2
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// CHECK-O0: store i8* %[[V9]], i8** %[[OS_LOG_ARG1]], align 8
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// CHECK-O0: %[[V10:.*]] = ptrtoint i8* %[[V9]] to i64
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// CHECK-O0: call void @__os_log_helper_1_2_2_8_64_8_64(i8* %{{.*}}, i64 %[[V7]], i64 %[[V10]])
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// CHECK-O0: %[[V11:.*]] = bitcast %{{.*}}* %[[V3]] to i8*
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// CHECK-O0: call void @llvm.objc.release(i8* %[[V11]])
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// CHECK-O0: call void @os_log_pack_send(
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// CHECK-O0: call void @llvm.objc.storeStrong(i8** %[[OS_LOG_ARG1]], i8* null)
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// CHECK-O0: %[[V13:.*]] = bitcast %{{.*}}** %[[OS_LOG_ARG]] to i8**
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// CHECK-O0: call void @llvm.objc.storeStrong(i8** %[[V13]], i8* null)
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// CHECK-O0: call void @llvm.objc.storeStrong(i8** %[[A_ADDR]], i8* null)
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// CHECK-MRR: define void @test_builtin_os_log2(
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// CHECK-MRR-NOT: call {{.*}} @llvm.objc
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void test_builtin_os_log2(void *buf, id a) {
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__builtin_os_log_format(buf, "capabilities: %@ %@", GenString(), a);
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os_log_pack_send(buf);
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}
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#endif
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