1*67e74705SXin Li // RUN: %clang_cc1 -triple=x86_64-apple-darwin -std=c++11 -emit-llvm -o - %s | FileCheck %s 2*67e74705SXin Li 3*67e74705SXin Li class B { 4*67e74705SXin Li public: m1()5*67e74705SXin Li [[clang::disable_tail_calls]] virtual int m1() { return 1; } m2()6*67e74705SXin Li virtual int m2() { return 2; } m3()7*67e74705SXin Li int m3() { return 3; } 8*67e74705SXin Li [[clang::disable_tail_calls]] int m4(); 9*67e74705SXin Li }; 10*67e74705SXin Li 11*67e74705SXin Li class D : public B { 12*67e74705SXin Li public: m1()13*67e74705SXin Li int m1() override { return 11; } m2()14*67e74705SXin Li [[clang::disable_tail_calls]] int m2() override { return 22; } 15*67e74705SXin Li }; 16*67e74705SXin Li foo1()17*67e74705SXin Liint foo1() { 18*67e74705SXin Li B *b = new B; 19*67e74705SXin Li D *d = new D; 20*67e74705SXin Li int t = 0; 21*67e74705SXin Li t += b->m1() + b->m2() + b->m3() + b->m4(); 22*67e74705SXin Li t += d->m1() + d->m2(); 23*67e74705SXin Li return t; 24*67e74705SXin Li } 25*67e74705SXin Li 26*67e74705SXin Li // CHECK: define linkonce_odr i32 @_ZN1B2m3Ev(%class.B* %this) [[ATTRFALSE:#[0-9]+]] 27*67e74705SXin Li // CHECK: declare i32 @_ZN1B2m4Ev(%class.B*) [[ATTRTRUE0:#[0-9]+]] 28*67e74705SXin Li // CHECK: define linkonce_odr i32 @_ZN1B2m1Ev(%class.B* %this) unnamed_addr [[ATTRTRUE1:#[0-9]+]] 29*67e74705SXin Li // CHECK: define linkonce_odr i32 @_ZN1B2m2Ev(%class.B* %this) unnamed_addr [[ATTRFALSE:#[0-9]+]] 30*67e74705SXin Li // CHECK: define linkonce_odr i32 @_ZN1D2m1Ev(%class.D* %this) unnamed_addr [[ATTRFALSE:#[0-9]+]] 31*67e74705SXin Li // CHECK: define linkonce_odr i32 @_ZN1D2m2Ev(%class.D* %this) unnamed_addr [[ATTRTRUE1:#[0-9]+]] 32*67e74705SXin Li 33*67e74705SXin Li // CHECK: attributes [[ATTRFALSE]] = { {{.*}}"disable-tail-calls"="false"{{.*}} } 34*67e74705SXin Li // CHECK: attributes [[ATTRTRUE0]] = { {{.*}}"disable-tail-calls"="true"{{.*}} } 35*67e74705SXin Li // CHECK: attributes [[ATTRTRUE1]] = { {{.*}}"disable-tail-calls"="true"{{.*}} } 36