55 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			Objective-C
		
	
	
	
			
		
		
	
	
			55 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			Objective-C
		
	
	
	
| // RUN: %clang_cc1 -triple x86_64-apple-darwin -fblocks -fno-escaping-block-tail-calls -emit-llvm -o - %s | FileCheck %s
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| 
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| // CHECK-LABEL: define void @test(
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| // CHECK: store i8* bitcast (void (i8*)* @[[TEST_BLOCK_INVOKE0:.*]] to i8*)
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| // CHECK: store i8* bitcast (void (i8*)* @[[TEST_BLOCK_INVOKE1:.*]] to i8*)
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| // CHECK: store i8* bitcast (void (i8*)* @[[TEST_BLOCK_INVOKE2:.*]] to i8*)
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| // CHECK: store i8* bitcast (void (i8*)* @[[TEST_BLOCK_INVOKE3:.*]] to i8*)
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| // CHECK: store i8* bitcast (void (i8*)* @[[TEST_BLOCK_INVOKE4:.*]] to i8*)
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| // CHECK: store i8* bitcast (void (i8*)* @[[TEST_BLOCK_INVOKE5:.*]] to i8*)
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| // CHECK: store i8* bitcast (void (i8*)* @[[TEST_BLOCK_INVOKE6:.*]] to i8*)
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| 
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| // CHECK: define internal void @[[TEST_BLOCK_INVOKE0]]({{.*}}) #[[DISABLEATTR:.*]] {
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| // CHECK: define internal void @[[TEST_BLOCK_INVOKE1]]({{.*}}) #[[ENABLEATTR:.*]] {
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| // CHECK: define internal void @[[TEST_BLOCK_INVOKE2]]({{.*}}) #[[DISABLEATTR]] {
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| // CHECK: define internal void @[[TEST_BLOCK_INVOKE3]]({{.*}}) #[[DISABLEATTR]] {
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| // CHECK: define internal void @[[TEST_BLOCK_INVOKE4]]({{.*}}) #[[ENABLEATTR]] {
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| // CHECK: define internal void @[[TEST_BLOCK_INVOKE5]]({{.*}}) #[[DISABLEATTR]] {
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| // CHECK: define internal void @[[TEST_BLOCK_INVOKE6]]({{.*}}) #[[ENABLEATTR]] {
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| 
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| // CHECK: attributes #[[ENABLEATTR]] = {{{.*}}"disable-tail-calls"="false"{{.*}}}
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| // CHECK: attributes #[[DISABLEATTR]] = {{{.*}}"disable-tail-calls"="true"{{.*}}}
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| 
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| typedef void (^BlockTy)(void);
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| typedef void (*NoEscapeFnTy)(__attribute__((noescape)) BlockTy);
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| 
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| void callee0(__attribute__((noescape)) BlockTy);
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| void callee1(BlockTy);
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| 
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| __attribute__((objc_root_class))
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| @interface C0
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| -(void)m0:(__attribute__((noescape)) BlockTy)p;
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| -(void)m1:(BlockTy)p;
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| @end
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| 
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| @implementation C0
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| -(void)m0:(__attribute__((noescape)) BlockTy)p {}
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| -(void)m1:(BlockTy)p {}
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| @end
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| 
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| NoEscapeFnTy noescapefunc;
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| 
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| void test(id a, C0 *c0) {
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|   BlockTy b0 = ^{ (void)a; }; // disable tail-call optimization.
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|   callee0(b0);
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|   callee0(^{ (void)a; }); // enable tail-call optimization.
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|   callee1(^{ (void)a; }); // disable tail-call optimization.
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| 
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|   BlockTy b1 = ^{ (void)a; }; // disable tail-call optimization.
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|   [c0 m0:b1];
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|   [c0 m0:^{ (void)a; }]; // enable tail-call optimization.
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|   [c0 m1:^{ (void)a; }]; // disable tail-call optimization.
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| 
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|   noescapefunc(^{ (void)a; }); // enable tail-call optimization.
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| }
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