forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			115 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			115 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			C++
		
	
	
	
| // RUN: %clang_cc1 %s -fblocks -triple x86_64-apple-darwin -std=c++11 -emit-llvm -o - | FileCheck %s
 | |
| 
 | |
| template <class T> void takeItByValue(T);
 | |
| void takeABlock(void (^)());
 | |
| 
 | |
| // rdar://problem/11022704
 | |
| namespace test_int {
 | |
|   void test() {
 | |
|     const int x = 100;
 | |
|     takeABlock(^{ takeItByValue(x); });
 | |
|     // CHECK: call void @_Z13takeItByValueIiEvT_(i32 100)
 | |
|   }
 | |
| }
 | |
| 
 | |
| namespace test_int_ref {
 | |
|   void test() {
 | |
|     const int y = 200;
 | |
|     const int &x = y;
 | |
|     takeABlock(^{ takeItByValue(x); });
 | |
| 
 | |
|     // TODO: there's no good reason that this isn't foldable.
 | |
|     // CHECK: call void @_Z13takeItByValueIiEvT_(i32 {{%.*}})
 | |
|   }
 | |
| }
 | |
| 
 | |
| namespace test_float {
 | |
|   void test() {
 | |
|     const float x = 1;
 | |
|     takeABlock(^{ takeItByValue(x); });
 | |
|     // CHECK: call void @_Z13takeItByValueIfEvT_(float 1.0
 | |
|   }
 | |
| }
 | |
| 
 | |
| namespace test_float_ref {
 | |
|   void test() {
 | |
|     const float y = 100;
 | |
|     const float &x = y;
 | |
|     takeABlock(^{ takeItByValue(x); });
 | |
| 
 | |
|     // TODO: there's no good reason that this isn't foldable.
 | |
|     // CHECK: call void @_Z13takeItByValueIfEvT_(float {{%.*}})
 | |
|   }
 | |
| }
 | |
| 
 | |
| namespace test_complex_int {
 | |
|   void test() {
 | |
|     constexpr _Complex int x = 500;
 | |
|     takeABlock(^{ takeItByValue(x); });
 | |
|     // CHECK:      store { i32, i32 } { i32 500, i32 0 },
 | |
| 
 | |
|     // CHECK:      store i32 500,
 | |
|     // CHECK-NEXT: store i32 0,
 | |
|     // CHECK-NEXT: [[COERCE:%.*]] = bitcast
 | |
|     // CHECK-NEXT: [[CVAL:%.*]] = load i64, i64* [[COERCE]]
 | |
|     // CHECK-NEXT: call void @_Z13takeItByValueICiEvT_(i64 [[CVAL]])
 | |
|   }
 | |
| }
 | |
| 
 | |
| namespace test_complex_int_ref {
 | |
|   void test() {
 | |
|     const _Complex int y = 100;
 | |
|     const _Complex int &x = y;
 | |
|     takeABlock(^{ takeItByValue(x); });
 | |
|     // CHECK: call void @_Z13takeItByValueICiEvT_(i64
 | |
|   }
 | |
| }
 | |
| 
 | |
| namespace test_complex_int_ref_mutable {
 | |
|   _Complex int y = 100;
 | |
|   void test() {
 | |
|     const _Complex int &x = y;
 | |
|     takeABlock(^{ takeItByValue(x); });
 | |
|     // CHECK:      [[R:%.*]] = load i32, i32* getelementptr inbounds ({ i32, i32 }, { i32, i32 }* @_ZN28test_complex_int_ref_mutable1yE, i32 0, i32 0)
 | |
|     // CHECK-NEXT: [[I:%.*]] = load i32, i32* getelementptr inbounds ({ i32, i32 }, { i32, i32 }* @_ZN28test_complex_int_ref_mutable1yE, i32 0, i32 1)
 | |
|     // CHECK-NEXT: [[RSLOT:%.*]] = getelementptr inbounds { i32, i32 }, { i32, i32 }* [[CSLOT:%.*]], i32 0, i32 0
 | |
|     // CHECK-NEXT: [[ISLOT:%.*]] = getelementptr inbounds { i32, i32 }, { i32, i32 }* [[CSLOT]], i32 0, i32 1
 | |
|     // CHECK-NEXT: store i32 [[R]], i32* [[RSLOT]]
 | |
|     // CHECK-NEXT: store i32 [[I]], i32* [[ISLOT]]
 | |
|     // CHECK-NEXT: [[COERCE:%.*]] = bitcast { i32, i32 }* [[CSLOT]] to i64*
 | |
|     // CHECK-NEXT: [[CVAL:%.*]] = load i64, i64* [[COERCE]],
 | |
|     // CHECK-NEXT: call void @_Z13takeItByValueICiEvT_(i64 [[CVAL]])
 | |
|   }
 | |
| }
 | |
| 
 | |
| // rdar://13295759
 | |
| namespace test_block_in_lambda {
 | |
|   void takeBlock(void (^block)());
 | |
| 
 | |
|   // The captured variable has to be non-POD so that we have a copy expression.
 | |
|   struct A {
 | |
|     void *p;
 | |
|     A(const A &);
 | |
|     ~A();
 | |
|     void use() const;
 | |
|   };
 | |
| 
 | |
|   void test(A a) {
 | |
|     auto lambda = [a]() {
 | |
|       takeBlock(^{ a.use(); });
 | |
|     };
 | |
|     lambda(); // make sure we emit the invocation function
 | |
|   }
 | |
|   // CHECK-LABEL:    define internal void @"_ZZN20test_block_in_lambda4testENS_1AEENK3$_0clEv"(
 | |
|   // CHECK:      [[BLOCK:%.*]] = alloca [[BLOCK_T:<{.*}>]], align 8
 | |
|   // CHECK:      [[THIS:%.*]] = load [[LAMBDA_T:%.*]]*, [[LAMBDA_T:%.*]]**
 | |
|   // CHECK:      [[TO_DESTROY:%.*]] = getelementptr inbounds [[BLOCK_T]], [[BLOCK_T]]* [[BLOCK]], i32 0, i32 5
 | |
|   // CHECK:      [[T0:%.*]] = getelementptr inbounds [[BLOCK_T]], [[BLOCK_T]]* [[BLOCK]], i32 0, i32 5
 | |
|   // CHECK-NEXT: [[T1:%.*]] = getelementptr inbounds [[LAMBDA_T]], [[LAMBDA_T]]* [[THIS]], i32 0, i32 0
 | |
|   // CHECK-NEXT: call void @_ZN20test_block_in_lambda1AC1ERKS0_({{.*}}* [[T0]], {{.*}}* dereferenceable({{[0-9]+}}) [[T1]])
 | |
|   // CHECK-NEXT: [[T0:%.*]] = bitcast [[BLOCK_T]]* [[BLOCK]] to void ()*
 | |
|   // CHECK-NEXT: call void @_ZN20test_block_in_lambda9takeBlockEU13block_pointerFvvE(void ()* [[T0]])
 | |
|   // CHECK-NEXT: call void @_ZN20test_block_in_lambda1AD1Ev({{.*}}* [[TO_DESTROY]])
 | |
|   // CHECK-NEXT: ret void
 | |
| }
 |