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