• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 // RUN: %clang_cc1 -std=c++98 %s -triple x86_64-linux-gnu -emit-llvm -o - -fexceptions -fcxx-exceptions -pedantic-errors | FileCheck %s
2 // RUN: %clang_cc1 -std=c++11 %s -triple x86_64-linux-gnu -emit-llvm -o - -fexceptions -fcxx-exceptions -pedantic-errors | FileCheck %s
3 // RUN: %clang_cc1 -std=c++14 %s -triple x86_64-linux-gnu -emit-llvm -o - -fexceptions -fcxx-exceptions -pedantic-errors | FileCheck %s
4 // RUN: %clang_cc1 -std=c++1z %s -triple x86_64-linux-gnu -emit-llvm -o - -fexceptions -fcxx-exceptions -pedantic-errors | FileCheck %s
5 
6 // dr1748: 3.7
7 
8 // FIXME: __SIZE_TYPE__ expands to 'long long' on some targets.
9 __extension__ typedef __SIZE_TYPE__ size_t;
10 
11 void *operator new(size_t, void *);
12 void *operator new[](size_t, void *);
13 
14 struct X { X(); };
15 
16 // The reserved placement allocation functions get inlined
17 // even if we can't see their definitions. They do not
18 // perform a null check.
19 
20 // CHECK-LABEL: define {{.*}} @_Z1fPv(
21 // CHECK-NOT: call
22 // CHECK-NOT: icmp{{.*}} null
23 // CHECK-NOT: br i1
24 // CHECK: call void @_ZN1XC1Ev(
25 // CHECK: }
f(void * p)26 X *f(void *p) { return new (p) X; }
27 
28 // CHECK-LABEL: define {{.*}} @_Z1gPv(
29 // CHECK-NOT: call
30 // CHECK-NOT: icmp{{.*}} null
31 // CHECK-NOT: br i1
32 // CHECK: call void @_ZN1XC1Ev(
33 // CHECK: br i1
34 // CHECK: }
g(void * p)35 X *g(void *p) { return new (p) X[5]; }
36