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			107 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			107 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C++
		
	
	
	
| // RUN: %clang_cc1 %s -emit-llvm -O1 -fno-experimental-new-pass-manager -o - -triple=i686-apple-darwin9 -std=c++11 | FileCheck %s
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| 
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| // CHECK-DAG: @PR22043 = local_unnamed_addr global i32 0, align 4
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| typedef _Atomic(int) AtomicInt;
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| AtomicInt PR22043 = AtomicInt();
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| 
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| // CHECK-DAG: @_ZN7PR180978constant1aE = local_unnamed_addr global { i16, i8 } { i16 1, i8 6 }, align 4
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| // CHECK-DAG: @_ZN7PR180978constant1bE = local_unnamed_addr global { i16, i8 } { i16 2, i8 6 }, align 4
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| // CHECK-DAG: @_ZN7PR180978constant1cE = local_unnamed_addr global { i16, i8 } { i16 3, i8 6 }, align 4
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| // CHECK-DAG: @_ZN7PR180978constant1yE = local_unnamed_addr global { { i16, i8 }, i32 } { { i16, i8 } { i16 4, i8 6 }, i32 5 }, align 4
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| 
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| struct A {
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|   _Atomic(int) i;
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|   A(int j);
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|   void v(int j);
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| };
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| // Storing to atomic values should be atomic
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| // CHECK: store atomic i32
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| void A::v(int j) { i = j; }
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| // Initialising atomic values should not be atomic
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| // CHECK-NOT: store atomic 
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| A::A(int j) : i(j) {}
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| 
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| struct B {
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|   int i;
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|   B(int x) : i(x) {}
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| };
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| 
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| _Atomic(B) b;
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| 
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| // CHECK-LABEL: define void @_Z11atomic_initR1Ai
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| void atomic_init(A& a, int i) {
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|   // CHECK-NOT: atomic
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|   // CHECK: call void @_ZN1BC1Ei
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|   __c11_atomic_init(&b, B(i));
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|   // CHECK-NEXT: ret void
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| }
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| 
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| // CHECK-LABEL: define void @_Z16atomic_init_boolPU7_Atomicbb
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| void atomic_init_bool(_Atomic(bool) *ab, bool b) {
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|   // CHECK-NOT: atomic
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|   // CHECK: {{zext i1.*to i8}}
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|   // CHECK-NEXT: store i8
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|   __c11_atomic_init(ab, b);
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|   // CHECK-NEXT: ret void
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| }
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| 
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| struct AtomicBoolMember {
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|   _Atomic(bool) ab;
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|   AtomicBoolMember(bool b);
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| };
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| 
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| // CHECK-LABEL: define void @_ZN16AtomicBoolMemberC2Eb
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| // CHECK: zext i1 {{.*}} to i8
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| // CHECK: store i8
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| // CHECK-NEXT: ret void
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| AtomicBoolMember::AtomicBoolMember(bool b) : ab(b) { }
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| 
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| namespace PR18097 {
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|   namespace dynamic {
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|     struct X {
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|       X(int);
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|       short n;
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|       char c;
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|     };
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| 
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|     // CHECK-LABEL: define {{.*}} @__cxx_global_var_init
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|     // CHECK: call void @_ZN7PR180977dynamic1XC1Ei({{.*}}* nonnull @_ZN7PR180977dynamic1aE, i32 1)
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|     _Atomic(X) a = X(1);
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| 
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|     // CHECK-LABEL: define {{.*}} @__cxx_global_var_init
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|     // CHECK: call void @_ZN7PR180977dynamic1XC1Ei({{.*}}* nonnull @_ZN7PR180977dynamic1bE, i32 2)
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|     _Atomic(X) b(X(2));
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| 
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|     // CHECK-LABEL: define {{.*}} @__cxx_global_var_init
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|     // CHECK: call void @_ZN7PR180977dynamic1XC1Ei({{.*}}* nonnull @_ZN7PR180977dynamic1cE, i32 3)
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|     _Atomic(X) c{X(3)};
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| 
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|     struct Y {
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|       _Atomic(X) a;
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|       _Atomic(int) b;
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|     };
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|     // CHECK-LABEL: define {{.*}} @__cxx_global_var_init
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|     // CHECK: call void @_ZN7PR180977dynamic1XC1Ei({{.*}}* getelementptr inbounds ({{.*}}, {{.*}}* @_ZN7PR180977dynamic1yE, i32 0, i32 0), i32 4)
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|     // CHECK: store i32 5, i32* getelementptr inbounds ({{.*}}, {{.*}}* @_ZN7PR180977dynamic1yE, i32 0, i32 1)
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|     Y y = { X(4), 5 };
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|   }
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| 
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|   // CHECKs at top of file.
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|   namespace constant {
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|     struct X {
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|       constexpr X(int n) : n(n) {}
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|       short n;
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|       char c = 6;
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|     };
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|     _Atomic(X) a = X(1);
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|     _Atomic(X) b(X(2));
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|     _Atomic(X) c{X(3)};
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| 
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|     struct Y {
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|       _Atomic(X) a;
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|       _Atomic(int) b;
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|     };
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|     Y y = { X(4), 5 };
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|   }
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| }
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