323 lines
15 KiB
Text
323 lines
15 KiB
Text
// RUN: %clang_cc1 -std=gnu++98 -triple x86_64-apple-darwin10 -emit-llvm -fobjc-runtime-has-weak -fblocks -fobjc-arc -fexceptions -fobjc-arc-exceptions -o - %s | FileCheck -check-prefix CHECK %s
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// RUN: %clang_cc1 -std=gnu++98 -triple x86_64-apple-darwin10 -emit-llvm -fobjc-runtime-has-weak -fblocks -fobjc-arc -fexceptions -fobjc-arc-exceptions -O1 -o - %s | FileCheck -check-prefix CHECK-O1 %s
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// RUN: %clang_cc1 -std=gnu++98 -triple x86_64-apple-darwin10 -emit-llvm -fobjc-runtime-has-weak -fblocks -fobjc-arc -o - %s | FileCheck -check-prefix CHECK-NOEXCP %s
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// RUN: %clang_cc1 -std=gnu++98 -triple x86_64-apple-darwin10 -emit-llvm -fobjc-runtime-has-weak -fblocks -fobjc-arc -fexceptions -fobjc-arc-exceptions -fobjc-avoid-heapify-local-blocks -o - %s | FileCheck -check-prefix CHECK-NOHEAP %s
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// CHECK: [[A:.*]] = type { i64, [10 x ptr] }
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// CHECK: %[[STRUCT_TEST1_S0:.*]] = type { i32 }
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// CHECK: %[[STRUCT_TRIVIAL_INTERNAL:.*]] = type { i32 }
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// CHECK: [[LAYOUT0:@.*]] = private unnamed_addr constant [3 x i8] c" 9\00"
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// If a __block variable requires extended layout information *and*
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// a copy/dispose helper, be sure to adjust the offsets used in copy/dispose.
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namespace test0 {
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struct A {
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unsigned long count;
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id data[10];
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};
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void foo() {
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__block A v;
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^{ (void)v; };
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}
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// CHECK-LABEL: define{{.*}} void @_ZN5test03fooEv()
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// CHECK: [[V:%.*]] = alloca [[BYREF_A:%.*]], align 8
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// CHECK: [[T0:%.*]] = getelementptr inbounds [[BYREF_A]], ptr [[V]], i32 0, i32 4
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// CHECK-NEXT: store ptr [[COPY_HELPER:@.*]], ptr [[T0]]
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// CHECK-NEXT: [[T0:%.*]] = getelementptr inbounds [[BYREF_A]], ptr [[V]], i32 0, i32 5
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// CHECK-NEXT: store ptr [[DISPOSE_HELPER:@.*]], ptr [[T0]]
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// CHECK-NEXT: [[T0:%.*]] = getelementptr inbounds [[BYREF_A]], ptr [[V]], i32 0, i32 6
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// CHECK-NEXT: store ptr [[LAYOUT0]], ptr [[T0]]
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// CHECK-NEXT: [[T0:%.*]] = getelementptr inbounds [[BYREF_A]], ptr [[V]], i32 0, i32 7
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// CHECK-NEXT: call void @_ZN5test01AC1Ev(ptr {{[^,]*}} [[T0]])
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// CHECK-NEXT: [[T0:%.*]] = getelementptr inbounds [[BYREF_A]], ptr [[V]], i32 0, i32 7
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// CHECK: call void @_Block_object_dispose(ptr [[V]], i32 8)
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// CHECK-NEXT: call void @_ZN5test01AD1Ev(ptr {{[^,]*}} [[T0]])
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// CHECK-NEXT: ret void
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// CHECK: define internal void [[COPY_HELPER]](
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// CHECK: [[T1:%.*]] = getelementptr inbounds [[BYREF_A]], ptr {{.*}}, i32 0, i32 7
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// CHECK-NEXT: load
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// CHECK-NEXT: [[T3:%.*]] = getelementptr inbounds [[BYREF_A]], ptr {{.*}}, i32 0, i32 7
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// CHECK-NEXT: call void @_ZN5test01AC1ERKS0_(ptr {{[^,]*}} [[T1]], ptr noundef nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}}) [[T3]])
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// CHECK-NEXT: ret void
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// CHECK: define internal void [[DISPOSE_HELPER]](
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// CHECK: [[T1:%.*]] = getelementptr inbounds [[BYREF_A]], ptr {{.*}}, i32 0, i32 7
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// CHECK-NEXT: call void @_ZN5test01AD1Ev(ptr {{[^,]*}} [[T1]])
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// CHECK-NEXT: ret void
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}
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// CHECK-LABEL: define linkonce_odr hidden void @__copy_helper_block_
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// CHECK-LABEL: define linkonce_odr hidden void @__destroy_helper_block_
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// CHECK-LABEL-O1: define linkonce_odr hidden void @__copy_helper_block_
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// CHECK-LABEL-O1: define linkonce_odr hidden void @__destroy_helper_block_
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namespace test1 {
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// Check that copy/dispose helper functions are exception safe.
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// CHECK-LABEL: define linkonce_odr hidden void @__copy_helper_block_ea8_32s40r48w56c15_ZTSN5test12S0E60c15_ZTSN5test12S0E(
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// CHECK: %[[V9:.*]] = getelementptr inbounds <{ ptr, i32, i32, ptr, ptr, ptr, ptr, ptr, %[[STRUCT_TEST1_S0]], %[[STRUCT_TEST1_S0]], %[[STRUCT_TRIVIAL_INTERNAL]] }>, ptr %{{.*}}, i32 0, i32 5
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// CHECK: %[[V10:.*]] = getelementptr inbounds <{ ptr, i32, i32, ptr, ptr, ptr, ptr, ptr, %[[STRUCT_TEST1_S0]], %[[STRUCT_TEST1_S0]], %[[STRUCT_TRIVIAL_INTERNAL]] }>, ptr %{{.*}}, i32 0, i32 5
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// CHECK: %[[BLOCKCOPY_SRC2:.*]] = load ptr, ptr %[[V9]], align 8
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// CHECK: store ptr null, ptr %[[V10]], align 8
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// CHECK: call void @llvm.objc.storeStrong(ptr %[[V10]], ptr %[[BLOCKCOPY_SRC2]])
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// CHECK: %[[V4:.*]] = getelementptr inbounds <{ ptr, i32, i32, ptr, ptr, ptr, ptr, ptr, %[[STRUCT_TEST1_S0]], %[[STRUCT_TEST1_S0]], %[[STRUCT_TRIVIAL_INTERNAL]] }>, ptr %{{.*}}, i32 0, i32 6
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// CHECK: %[[V5:.*]] = getelementptr inbounds <{ ptr, i32, i32, ptr, ptr, ptr, ptr, ptr, %[[STRUCT_TEST1_S0]], %[[STRUCT_TEST1_S0]], %[[STRUCT_TRIVIAL_INTERNAL]] }>, ptr %{{.*}}, i32 0, i32 6
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// CHECK: %[[BLOCKCOPY_SRC:.*]] = load ptr, ptr %[[V4]], align 8
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// CHECK: call void @_Block_object_assign(ptr %[[V5]], ptr %[[BLOCKCOPY_SRC]], i32 8)
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// CHECK: %[[V7:.*]] = getelementptr inbounds <{ ptr, i32, i32, ptr, ptr, ptr, ptr, ptr, %[[STRUCT_TEST1_S0]], %[[STRUCT_TEST1_S0]], %[[STRUCT_TRIVIAL_INTERNAL]] }>, ptr %{{.*}}, i32 0, i32 7
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// CHECK: %[[V8:.*]] = getelementptr inbounds <{ ptr, i32, i32, ptr, ptr, ptr, ptr, ptr, %[[STRUCT_TEST1_S0]], %[[STRUCT_TEST1_S0]], %[[STRUCT_TRIVIAL_INTERNAL]] }>, ptr %{{.*}}, i32 0, i32 7
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// CHECK: call void @llvm.objc.copyWeak(ptr %[[V8]], ptr %[[V7]])
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// CHECK: %[[V11:.*]] = getelementptr inbounds <{ ptr, i32, i32, ptr, ptr, ptr, ptr, ptr, %[[STRUCT_TEST1_S0]], %[[STRUCT_TEST1_S0]], %[[STRUCT_TRIVIAL_INTERNAL]] }>, ptr %{{.*}}, i32 0, i32 8
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// CHECK: %[[V12:.*]] = getelementptr inbounds <{ ptr, i32, i32, ptr, ptr, ptr, ptr, ptr, %[[STRUCT_TEST1_S0]], %[[STRUCT_TEST1_S0]], %[[STRUCT_TRIVIAL_INTERNAL]] }>, ptr %{{.*}}, i32 0, i32 8
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// CHECK: invoke void @_ZN5test12S0C1ERKS0_(ptr {{[^,]*}} %[[V12]], ptr noundef nonnull align 4 dereferenceable(4) %[[V11]])
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// CHECK: to label %[[INVOKE_CONT:.*]] unwind label %[[LPAD:.*]]
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// CHECK: [[INVOKE_CONT]]:
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// CHECK: %[[V13:.*]] = getelementptr inbounds <{ ptr, i32, i32, ptr, ptr, ptr, ptr, ptr, %[[STRUCT_TEST1_S0]], %[[STRUCT_TEST1_S0]], %[[STRUCT_TRIVIAL_INTERNAL]] }>, ptr %{{.*}}, i32 0, i32 9
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// CHECK: %[[V14:.*]] = getelementptr inbounds <{ ptr, i32, i32, ptr, ptr, ptr, ptr, ptr, %[[STRUCT_TEST1_S0]], %[[STRUCT_TEST1_S0]], %[[STRUCT_TRIVIAL_INTERNAL]] }>, ptr %{{.*}}, i32 0, i32 9
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// CHECK: invoke void @_ZN5test12S0C1ERKS0_(ptr {{[^,]*}} %[[V14]], ptr noundef nonnull align 4 dereferenceable(4) %[[V13]])
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// CHECK: to label %[[INVOKE_CONT4:.*]] unwind label %[[LPAD3:.*]]
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// CHECK: [[INVOKE_CONT4]]:
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// CHECK: ret void
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// CHECK: [[LPAD]]:
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// CHECK: br label %[[EHCLEANUP:.*]]
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// CHECK: [[LPAD3]]:
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// CHECK: invoke void @_ZN5test12S0D1Ev(ptr {{[^,]*}} %[[V12]])
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// CHECK: to label %[[INVOKE_CONT5:.*]] unwind label %[[TERMINATE_LPAD:.*]]
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// CHECK: [[INVOKE_CONT5]]:
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// CHECK: br label %[[EHCLEANUP]]
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// CHECK: [[EHCLEANUP]]:
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// CHECK: call void @llvm.objc.destroyWeak(ptr %[[V8]])
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// CHECK: %[[V21:.*]] = load ptr, ptr %[[V5]], align 8
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// CHECK: call void @_Block_object_dispose(ptr %[[V21]], i32 8)
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// CHECK: call void @llvm.objc.storeStrong(ptr %[[V10]], ptr null)
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// CHECK: br label %[[EH_RESUME:.*]]
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// CHECK: [[EH_RESUME]]:
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// CHECK: resume { ptr, i32 }
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// CHECK: [[TERMINATE_LPAD]]:
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// CHECK: call void @__clang_call_terminate(
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// CHECK-O1-LABEL: define linkonce_odr hidden void @__copy_helper_block_ea8_32s40r48w56c15_ZTSN5test12S0E60c15_ZTSN5test12S0E(
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// CHECK-O1: call void @llvm.objc.release({{.*}}) {{.*}} !clang.imprecise_release
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// CHECK-NOEXCP: define linkonce_odr hidden void @__copy_helper_block_8_32s40r48w56c15_ZTSN5test12S0E60c15_ZTSN5test12S0E(
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// CHECK: define linkonce_odr hidden void @__destroy_helper_block_ea8_32s40r48w56c15_ZTSN5test12S0E60c15_ZTSN5test12S0E(
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// CHECK: %[[V4:.*]] = getelementptr inbounds <{ ptr, i32, i32, ptr, ptr, ptr, ptr, ptr, %[[STRUCT_TEST1_S0]], %[[STRUCT_TEST1_S0]], %[[STRUCT_TRIVIAL_INTERNAL]] }>, ptr %{{.*}}, i32 0, i32 5
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// CHECK: %[[V2:.*]] = getelementptr inbounds <{ ptr, i32, i32, ptr, ptr, ptr, ptr, ptr, %[[STRUCT_TEST1_S0]], %[[STRUCT_TEST1_S0]], %[[STRUCT_TRIVIAL_INTERNAL]] }>, ptr %{{.*}}, i32 0, i32 6
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// CHECK: %[[V3:.*]] = getelementptr inbounds <{ ptr, i32, i32, ptr, ptr, ptr, ptr, ptr, %[[STRUCT_TEST1_S0]], %[[STRUCT_TEST1_S0]], %[[STRUCT_TRIVIAL_INTERNAL]] }>, ptr %{{.*}}, i32 0, i32 7
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// CHECK: %[[V5:.*]] = getelementptr inbounds <{ ptr, i32, i32, ptr, ptr, ptr, ptr, ptr, %[[STRUCT_TEST1_S0]], %[[STRUCT_TEST1_S0]], %[[STRUCT_TRIVIAL_INTERNAL]] }>, ptr %{{.*}}, i32 0, i32 8
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// CHECK: %[[V6:.*]] = getelementptr inbounds <{ ptr, i32, i32, ptr, ptr, ptr, ptr, ptr, %[[STRUCT_TEST1_S0]], %[[STRUCT_TEST1_S0]], %[[STRUCT_TRIVIAL_INTERNAL]] }>, ptr %{{.*}}, i32 0, i32 9
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// CHECK: invoke void @_ZN5test12S0D1Ev(ptr {{[^,]*}} %[[V6]])
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// CHECK: to label %[[INVOKE_CONT:.*]] unwind label %[[LPAD:.*]]
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// CHECK: [[INVOKE_CONT]]:
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// CHECK: invoke void @_ZN5test12S0D1Ev(ptr {{[^,]*}} %[[V5]])
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// CHECK: to label %[[INVOKE_CONT2:.*]] unwind label %[[LPAD1:.*]]
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// CHECK: [[INVOKE_CONT2]]:
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// CHECK: call void @llvm.objc.destroyWeak(ptr %[[V3]])
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// CHECK: %[[V7:.*]] = load ptr, ptr %[[V2]], align 8
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// CHECK: call void @_Block_object_dispose(ptr %[[V7]], i32 8)
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// CHECK: call void @llvm.objc.storeStrong(ptr %[[V4]], ptr null)
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// CHECK: ret void
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// CHECK: [[LPAD]]:
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// CHECK: invoke void @_ZN5test12S0D1Ev(ptr {{[^,]*}} %[[V5]])
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// CHECK: to label %[[INVOKE_CONT3:.*]] unwind label %[[TERMINATE_LPAD:.*]]
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// CHECK: [[LPAD1]]
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// CHECK: br label %[[EHCLEANUP:.*]]
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// CHECK: [[INVOKE_CONT3]]:
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// CHECK: br label %[[EHCLEANUP]]
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// CHECK: [[EHCLEANUP]]:
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// CHECK: call void @llvm.objc.destroyWeak(ptr %[[V3]])
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// CHECK: %[[V14:.*]] = load ptr, ptr %[[V2]], align 8
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// CHECK: call void @_Block_object_dispose(ptr %[[V14]], i32 8)
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// CHECK: call void @llvm.objc.storeStrong(ptr %[[V4]], ptr null)
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// CHECK: br label %[[EH_RESUME:.*]]
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// CHECK: [[EH_RESUME]]:
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// CHECK: resume { ptr, i32 }
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// CHECK: [[TERMINATE_LPAD]]:
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// CHECK: call void @__clang_call_terminate(
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// CHECK-O1-LABEL: define linkonce_odr hidden void @__destroy_helper_block_ea8_32s40r48w56c15_ZTSN5test12S0E60c15_ZTSN5test12S0E(
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// CHECK-O1: call void @llvm.objc.release({{.*}}) {{.*}} !clang.imprecise_release
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// CHECK-O1: call void @llvm.objc.release({{.*}}) {{.*}} !clang.imprecise_release
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// CHECK-NOEXCP: define linkonce_odr hidden void @__destroy_helper_block_8_32s40r48w56c15_ZTSN5test12S0E60c15_ZTSN5test12S0E(
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namespace {
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struct TrivialInternal {
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int a;
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};
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}
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struct S0 {
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S0();
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S0(const S0 &);
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~S0();
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int f0;
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};
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id getObj();
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void foo1() {
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__block id t0 = getObj();
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__weak id t1 = getObj();
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id t2 = getObj();
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S0 t3, t4;
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// Capturing a non-external type doesn't cause the copy/dispose helpers to be
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// internal unless the captured type has a non-trivial copy constructor or
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// destructor.
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TrivialInternal t5;
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^{ (void)t0; (void)t1; (void)t2; (void)t3; (void)t4; (void)t5; };
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}
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}
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// Test that calls to @llvm.objc.retainBlock aren't emitted in some cases.
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typedef void (^BlockTy)();
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void foo1(id);
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namespace test_block_retain {
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// CHECK-NOHEAP-LABEL: define{{.*}} void @_ZN17test_block_retain14initializationEP11objc_object(
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// CHECK-NOHEAP-NOT: @llvm.objc.retainBlock(
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void initialization(id a) {
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BlockTy b0 = ^{ foo1(a); };
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BlockTy b1 = (^{ foo1(a); });
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b0();
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b1();
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}
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// CHECK-NOHEAP-LABEL: define{{.*}} void @_ZN17test_block_retain20initializationStaticEP11objc_object(
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// CHECK-NOHEAP: @llvm.objc.retainBlock(
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void initializationStatic(id a) {
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static BlockTy b0 = ^{ foo1(a); };
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b0();
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}
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// CHECK-NOHEAP-LABEL: define{{.*}} void @_ZN17test_block_retain15initialization2EP11objc_object
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// CHECK-NOHEAP: %b0 = alloca ptr, align 8
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// CHECK-NOHEAP: %b1 = alloca ptr, align 8
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// CHECK-NOHEAP: load ptr, ptr %b0, align 8
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// CHECK-NOHEAP-NOT: @llvm.objc.retainBlock
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// CHECK-NOHEAP: %[[V9:.*]] = load ptr, ptr %b0, align 8
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// CHECK-NOHEAP: %[[V11:.*]] = call ptr @llvm.objc.retainBlock(ptr %[[V9]])
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// CHECK-NOHEAP: store ptr %[[V11]], ptr %b1, align 8
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void initialization2(id a) {
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BlockTy b0 = ^{ foo1(a); };
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b0();
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BlockTy b1 = b0; // can't optimize this yet.
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b1();
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}
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// CHECK-NOHEAP-LABEL: define{{.*}} void @_ZN17test_block_retain10assignmentEP11objc_object(
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// CHECK-NOHEAP-NOT: @llvm.objc.retainBlock(
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void assignment(id a) {
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BlockTy b0;
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(b0) = ^{ foo1(a); };
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b0();
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b0 = (^{ foo1(a); });
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b0();
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}
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// CHECK-NOHEAP-LABEL: define{{.*}} void @_ZN17test_block_retain16assignmentStaticEP11objc_object(
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// CHECK-NOHEAP: @llvm.objc.retainBlock(
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void assignmentStatic(id a) {
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static BlockTy b0;
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b0 = ^{ foo1(a); };
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b0();
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}
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// CHECK-NOHEAP-LABEL: define{{.*}} void @_ZN17test_block_retain21assignmentConditionalEP11objc_objectb(
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// CHECK-NOHEAP: @llvm.objc.retainBlock(
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void assignmentConditional(id a, bool c) {
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BlockTy b0;
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if (c)
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// can't optimize this since 'b0' is declared in the outer scope.
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b0 = ^{ foo1(a); };
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b0();
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}
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// CHECK-NOHEAP-LABEL: define{{.*}} void @_ZN17test_block_retain11assignment2EP11objc_object(
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// CHECK-NOHEAP: %b0 = alloca ptr, align 8
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// CHECK-NOHEAP: %b1 = alloca ptr, align 8
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// CHECK-NOHEAP-NOT: @llvm.objc.retainBlock
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// CHECK-NOHEAP: store ptr null, ptr %b1, align 8
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// CHECK-NOHEAP: %[[V9:.*]] = load ptr, ptr %b0, align 8
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// CHECK-NOHEAP: %[[V11:.*]] = call ptr @llvm.objc.retainBlock(ptr %[[V9]]
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// CHECK-NOHEAP: store ptr %[[V11]], ptr %b1, align 8
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void assignment2(id a) {
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BlockTy b0 = ^{ foo1(a); };
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b0();
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BlockTy b1;
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b1 = b0; // can't optimize this yet.
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b1();
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}
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// We cannot remove the call to @llvm.objc.retainBlock if the variable is of type id.
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// CHECK-NOHEAP: define{{.*}} void @_ZN17test_block_retain21initializationObjCPtrEP11objc_object(
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// CHECK-NOHEAP: alloca ptr, align 8
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// CHECK-NOHEAP: %[[B0:.*]] = alloca ptr, align 8
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// CHECK-NOHEAP: %[[BLOCK:.*]] = alloca <{ ptr, i32, i32, ptr, ptr, ptr }>, align 8
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// CHECK-NOHEAP: %[[V5:.*]] = call ptr @llvm.objc.retainBlock(ptr %[[BLOCK]])
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// CHECK-NOHEAP: store ptr %[[V5]], ptr %[[B0]], align 8
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void initializationObjCPtr(id a) {
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id b0 = ^{ foo1(a); };
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((BlockTy)b0)();
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}
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// CHECK-NOHEAP: define{{.*}} void @_ZN17test_block_retain17assignmentObjCPtrEP11objc_object(
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// CHECK-NOHEAP: %b0 = alloca ptr, align 8
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// CHECK-NOHEAP: %b1 = alloca ptr, align 8
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// CHECK-NOHEAP: %[[V4:.*]] = load ptr, ptr %b0, align 8
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// CHECK-NOHEAP: %[[V6:.*]] = call ptr @llvm.objc.retainBlock(ptr %[[V4]])
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// CHECK-NOHEAP: store ptr %[[V6]], ptr %b1, align 8
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void assignmentObjCPtr(id a) {
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BlockTy b0 = ^{ foo1(a); };
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id b1;
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b1 = b0;
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((BlockTy)b1)();
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}
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}
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// Check that the block capture is released after the full expression.
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// CHECK-LABEL: define void @_ZN13test_rval_ref4testEP11objc_object(
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// CHECK: %[[BLOCK:.*]] = alloca <{ ptr, i32, i32, ptr, ptr, ptr }>, align 8
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// CHECK: %[[BLOCK_CAPTURED:.*]] = getelementptr inbounds <{ ptr, i32, i32, ptr, ptr, ptr }>, ptr %[[BLOCK]], i32 0, i32 5
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// CHECK: %[[V1:.*]] = call ptr @llvm.objc.retain(
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// CHECK: store ptr %[[V1]], ptr %[[BLOCK_CAPTURED]], align 8
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// CHECK: invoke void @_ZN13test_rval_ref17callTemplateBlockEOU15__autoreleasingU13block_pointerFvvE(
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// CHECK: call void @llvm.objc.storeStrong(ptr %[[BLOCK_CAPTURED]], ptr null)
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namespace test_rval_ref {
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|
void callTemplateBlock(BlockTy &&func);
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|
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void test(id str) {
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|
return callTemplateBlock(^void() {
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|
foo1(str);
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|
});
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|
}
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|
}
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