forked from OSchip/llvm-project
107 lines
2.9 KiB
C++
107 lines
2.9 KiB
C++
// RUN: %clang_cc1 %s -emit-llvm -O1 -o - -triple=i686-apple-darwin9 -std=c++11 | FileCheck %s
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// CHECK-DAG: @PR22043 = global i32 0, align 4
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typedef _Atomic(int) AtomicInt;
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AtomicInt PR22043 = AtomicInt();
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// CHECK-DAG: @_ZN7PR180978constant1aE = global { i16, i8 } { i16 1, i8 6 }, align 4
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// CHECK-DAG: @_ZN7PR180978constant1bE = global { i16, i8 } { i16 2, i8 6 }, align 4
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// CHECK-DAG: @_ZN7PR180978constant1cE = global { i16, i8 } { i16 3, i8 6 }, align 4
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// CHECK-DAG: @_ZN7PR180978constant1yE = global { { i16, i8 }, i32 } { { i16, i8 } { i16 4, i8 6 }, i32 5 }, align 4
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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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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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_Atomic(B) b;
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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: tail 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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// 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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struct AtomicBoolMember {
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_Atomic(bool) ab;
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AtomicBoolMember(bool b);
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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-NEXT: store i8
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// CHECK-NEXT: ret void
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AtomicBoolMember::AtomicBoolMember(bool b) : ab(b) { }
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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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// 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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// 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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// 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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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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// 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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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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