|  | // RUN: %clang_cc1 -triple x86_64-apple-darwin -std=c++11 -emit-llvm -o - %s | FileCheck %s | 
|  |  | 
|  | struct S { | 
|  | int a[4]; | 
|  | S(int *, int * __attribute__((noescape))); | 
|  | S &operator=(int * __attribute__((noescape))); | 
|  | void m0(int *, int * __attribute__((noescape))); | 
|  | virtual void vm1(int *, int * __attribute__((noescape))); | 
|  | }; | 
|  |  | 
|  | // CHECK: define void @_ZN1SC2EPiS0_(%struct.S* {{.*}}, {{.*}}, {{.*}} nocapture) | 
|  | // CHECK: define void @_ZN1SC1EPiS0_(%struct.S* {{.*}}, {{.*}}, {{.*}} nocapture) {{.*}} { | 
|  | // CHECK: call void @_ZN1SC2EPiS0_(%struct.S* {{.*}}, {{.*}}, {{.*}} nocapture {{.*}}) | 
|  |  | 
|  | S::S(int *, int * __attribute__((noescape))) {} | 
|  |  | 
|  | // CHECK: define {{.*}} %struct.S* @_ZN1SaSEPi(%struct.S* {{.*}}, {{.*}} nocapture) | 
|  | S &S::operator=(int * __attribute__((noescape))) { return *this; } | 
|  |  | 
|  | // CHECK: define void @_ZN1S2m0EPiS0_(%struct.S* {{.*}}, {{.*}} nocapture) | 
|  | void S::m0(int *, int * __attribute__((noescape))) {} | 
|  |  | 
|  | // CHECK: define void @_ZN1S3vm1EPiS0_(%struct.S* {{.*}}, {{.*}} nocapture) | 
|  | void S::vm1(int *, int * __attribute__((noescape))) {} | 
|  |  | 
|  | // CHECK-LABEL: define void @_Z5test0P1SPiS1_( | 
|  | // CHECK: call void @_ZN1SC1EPiS0_(%struct.S* {{.*}}, {{.*}}, {{.*}} nocapture {{.*}}) | 
|  | // CHECK: call {{.*}} %struct.S* @_ZN1SaSEPi(%struct.S* {{.*}}, {{.*}} nocapture {{.*}}) | 
|  | // CHECK: call void @_ZN1S2m0EPiS0_(%struct.S* {{.*}}, {{.*}}, {{.*}} nocapture {{.*}}) | 
|  | // CHECK: call void {{.*}}(%struct.S* {{.*}}, {{.*}}, {{.*}} nocapture {{.*}}) | 
|  | void test0(S *s, int *p0, int *p1) { | 
|  | S t(p0, p1); | 
|  | t = p1; | 
|  | s->m0(p0, p1); | 
|  | s->vm1(p0, p1); | 
|  | } | 
|  |  | 
|  | namespace std { | 
|  | typedef decltype(sizeof(0)) size_t; | 
|  | } | 
|  |  | 
|  | // CHECK: define {{.*}} @_ZnwmPv({{.*}}, {{.*}} nocapture {{.*}}) | 
|  | void *operator new(std::size_t, void * __attribute__((noescape)) p) { | 
|  | return p; | 
|  | } | 
|  |  | 
|  | // CHECK-LABEL: define i8* @_Z5test1Pv( | 
|  | // CHECK : %call = call {{.*}} @_ZnwmPv({{.*}}, {{.*}} nocapture {{.*}}) | 
|  | void *test1(void *p0) { | 
|  | return ::operator new(16, p0); | 
|  | } | 
|  |  | 
|  | // CHECK-LABEL: define void @_Z5test2PiS_( | 
|  | // CHECK: call void @"_ZZ5test2PiS_ENK3$_0clES_S_"({{.*}}, {{.*}}, {{.*}} nocapture {{.*}}) | 
|  | // CHECK: define internal void @"_ZZ5test2PiS_ENK3$_0clES_S_"({{.*}}, {{.*}}, {{.*}} nocapture) | 
|  | void test2(int *p0, int *p1) { | 
|  | auto t = [](int *, int * __attribute__((noescape))){}; | 
|  | t(p0, p1); | 
|  | } | 
|  |  | 
|  | // CHECK-LABEL: define void @_Z5test3PFvU8noescapePiES_( | 
|  | // CHECK: call void {{.*}}(i32* nocapture {{.*}}) | 
|  | typedef void (*NoEscapeFunc)(__attribute__((noescape)) int *); | 
|  |  | 
|  | void test3(NoEscapeFunc f, int *p) { | 
|  | f(p); | 
|  | } |