94 lines
2.5 KiB
C++
94 lines
2.5 KiB
C++
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// RUN: %clang_cc1 -S -emit-llvm %s -triple x86_64-unknown-linux-gnu -o - | FileCheck %s
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class A {
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public:
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[[clang::nomerge]] A();
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[[clang::nomerge]] virtual ~A();
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[[clang::nomerge]] void f();
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[[clang::nomerge]] virtual void g();
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[[clang::nomerge]] static void f1();
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};
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class B : public A {
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public:
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void g() override;
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};
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bool bar();
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[[clang::nomerge]] void f(bool, bool);
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void foo(int i, A *ap, B *bp) {
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[[clang::nomerge]] bar();
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[[clang::nomerge]] (i = 4, bar());
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[[clang::nomerge]] (void)(bar());
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f(bar(), bar());
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[[clang::nomerge]] [] { bar(); bar(); }(); // nomerge only applies to the anonymous function call
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[[clang::nomerge]] for (bar(); bar(); bar()) {}
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[[clang::nomerge]] { asm("nop"); }
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bar();
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ap->g();
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bp->g();
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A a;
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a.f();
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a.g();
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A::f1();
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B b;
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b.g();
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A *newA = new B();
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delete newA;
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}
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int g(int i);
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void something() {
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g(1);
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}
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[[clang::nomerge]] int g(int i);
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void something_else() {
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g(1);
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}
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int g(int i) { return i; }
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void something_else_again() {
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g(1);
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}
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// CHECK: call zeroext i1 @_Z3barv() #[[ATTR0:[0-9]+]]
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// CHECK: call zeroext i1 @_Z3barv() #[[ATTR0]]
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// CHECK: call zeroext i1 @_Z3barv() #[[ATTR0]]
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// CHECK: call zeroext i1 @_Z3barv(){{$}}
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// CHECK: call zeroext i1 @_Z3barv(){{$}}
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// CHECK: call void @_Z1fbb({{.*}}) #[[ATTR0]]
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// CHECK: call void @"_ZZ3fooiP1AP1BENK3$_0clEv"{{.*}} #[[ATTR0]]
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// CHECK: call zeroext i1 @_Z3barv() #[[ATTR0]]
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// CHECK-LABEL: for.cond:
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// CHECK: call zeroext i1 @_Z3barv() #[[ATTR0]]
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// CHECK-LABEL: for.inc:
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// CHECK: call zeroext i1 @_Z3barv() #[[ATTR0]]
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// CHECK: call void asm sideeffect "nop"{{.*}} #[[ATTR1:[0-9]+]]
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// CHECK: call zeroext i1 @_Z3barv(){{$}}
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// CHECK: %[[AG:.*]] = load void (%class.A*)*, void (%class.A*)**
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// CHECK-NEXT: call void %[[AG]](%class.A* {{.*}}) #[[ATTR0]]
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// CHECK: %[[BG:.*]] = load void (%class.B*)*, void (%class.B*)**
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// CHECK-NEXT: call void %[[BG]](%class.B* nonnull dereferenceable
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// CHECK: call void @_ZN1AC1Ev({{.*}}) #[[ATTR0]]
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// CHECK: call void @_ZN1A1fEv({{.*}}) #[[ATTR0]]
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// CHECK: call void @_ZN1A1gEv({{.*}}) #[[ATTR0]]
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// CHECK: call void @_ZN1A2f1Ev() #[[ATTR0]]
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// CHECK: call void @_ZN1BC1Ev({{.*}}){{$}}
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// CHECK: call void @_ZN1B1gEv({{.*}}){{$}}
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// CHECK: call void @_ZN1BC1Ev({{.*}}){{$}}
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// CHECK: %[[AG:.*]] = load void (%class.A*)*, void (%class.A*)**
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// CHECK-NEXT: call void %[[AG]](%class.A* {{.*}}) #[[ATTR1]]
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// CHECK: call void @_ZN1AD1Ev(%class.A* {{.*}}) #[[ATTR1]]
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// CHECK-DAG: attributes #[[ATTR0]] = {{{.*}}nomerge{{.*}}}
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// CHECK-DAG: attributes #[[ATTR1]] = {{{.*}}nomerge{{.*}}}
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