forked from OSchip/llvm-project
36 lines
1.3 KiB
C++
36 lines
1.3 KiB
C++
|
// RUN: %clang_cc1 -triple=x86_64-apple-darwin -std=c++11 -emit-llvm -o - %s | FileCheck %s
|
||
|
|
|
||
|
|
class B {
|
||
|
|
public:
|
||
|
|
[[clang::disable_tail_calls]] virtual int m1() { return 1; }
|
||
|
|
virtual int m2() { return 2; }
|
||
|
|
int m3() { return 3; }
|
||
|
|
[[clang::disable_tail_calls]] int m4();
|
||
|
|
};
|
||
|
|
|
||
|
|
class D : public B {
|
||
|
|
public:
|
||
|
|
int m1() override { return 11; }
|
||
|
|
[[clang::disable_tail_calls]] int m2() override { return 22; }
|
||
|
|
};
|
||
|
|
|
||
|
|
int foo1() {
|
||
|
|
B *b = new B;
|
||
|
|
D *d = new D;
|
||
|
|
int t = 0;
|
||
|
|
t += b->m1() + b->m2() + b->m3() + b->m4();
|
||
|
|
t += d->m1() + d->m2();
|
||
|
|
return t;
|
||
|
|
}
|
||
|
|
|
||
|
|
// CHECK: define linkonce_odr i32 @_ZN1B2m3Ev(%class.B* %this) [[ATTRFALSE:#[0-9]+]]
|
||
|
|
// CHECK: declare i32 @_ZN1B2m4Ev(%class.B*) [[ATTRTRUE0:#[0-9]+]]
|
||
|
|
// CHECK: define linkonce_odr i32 @_ZN1B2m1Ev(%class.B* %this) unnamed_addr [[ATTRTRUE1:#[0-9]+]]
|
||
|
|
// CHECK: define linkonce_odr i32 @_ZN1B2m2Ev(%class.B* %this) unnamed_addr [[ATTRFALSE:#[0-9]+]]
|
||
|
|
// CHECK: define linkonce_odr i32 @_ZN1D2m1Ev(%class.D* %this) unnamed_addr [[ATTRFALSE:#[0-9]+]]
|
||
|
|
// CHECK: define linkonce_odr i32 @_ZN1D2m2Ev(%class.D* %this) unnamed_addr [[ATTRTRUE1:#[0-9]+]]
|
||
|
|
|
||
|
|
// CHECK: attributes [[ATTRFALSE]] = { {{.*}}"disable-tail-calls"="false"{{.*}} }
|
||
|
|
// CHECK: attributes [[ATTRTRUE0]] = { {{.*}}"disable-tail-calls"="true"{{.*}} }
|
||
|
|
// CHECK: attributes [[ATTRTRUE1]] = { {{.*}}"disable-tail-calls"="true"{{.*}} }
|