39 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			Objective-C
		
	
	
	
	
	
			
		
		
	
	
			39 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			Objective-C
		
	
	
	
	
	
// We run this twice, once as Objective-C and once as Objective-C++.
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// RUN: %clang_cc1 %s -emit-llvm -o - -fobjc-gc -fblocks -fexceptions -triple i386-apple-darwin10 -fobjc-runtime=macosx-fragile-10.5 | FileCheck %s
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// RUN: %clang_cc1 %s -emit-llvm -o - -fobjc-gc -fblocks -fexceptions -triple i386-apple-darwin10 -fobjc-runtime=macosx-fragile-10.5 -x objective-c++ | FileCheck %s
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// CHECK: define i8* @{{.*}}test0
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// CHECK: define internal void @{{.*}}_block_invoke(
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// CHECK:      call i8* @objc_assign_strongCast(
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// CHECK-NEXT: ret void
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id test0(id x) {
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  __block id result;
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  ^{ result = x; }();
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  return result;
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}
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// <rdar://problem/8224178>: cleanup __block variables on EH path
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// CHECK: define void @{{.*}}test1
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void test1() {
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  extern void test1_help(void (^x)(void));
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  // CHECK:      [[N:%.*]] = alloca [[N_T:%.*]], align 8
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  // CHECK:      [[T0:%.*]] = getelementptr inbounds [[N_T]]* [[N]], i32 0, i32 4
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  // CHECK-NEXT: store double 1.000000e+{{0?}}01, double* [[T0]], align 8
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  __block double n = 10;
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  // CHECK:      invoke void @{{.*}}test1_help
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  test1_help(^{ n = 20; });
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  // CHECK:      [[T1:%.*]] = bitcast [[N_T]]* [[N]] to i8*
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  // CHECK-NEXT: call void @_Block_object_dispose(i8* [[T1]], i32 8)
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  // CHECK-NEXT: ret void
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  // CHECK:      landingpad { i8*, i32 } personality
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  // CHECK-NEXT:   cleanup
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  // CHECK:      [[T1:%.*]] = bitcast [[N_T]]* [[N]] to i8*
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  // CHECK-NEXT: call void @_Block_object_dispose(i8* [[T1]], i32 8)
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  // CHECK:      resume { i8*, i32 }
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}
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