1 // RUN: %clang_cc1 -triple i686-pc-linux-gnu -emit-llvm -o %t-1.ll %s
2 // RUN: FileCheck -check-prefix SANE --input-file=%t-1.ll %s
3 // RUN: %clang_cc1 -triple i686-pc-linux-gnu -emit-llvm -fno-assume-sane-operator-new -o %t-2.ll %s
4 // RUN: FileCheck -check-prefix SANENOT --input-file=%t-2.ll %s
5
6
7 class teste {
8 int A;
9 public:
teste()10 teste() : A(2) {}
11 };
12
f1()13 void f1() {
14 // SANE: declare noalias i8* @_Znwj(
15 // SANENOT: declare i8* @_Znwj(
16 new teste();
17 }
18
19
20 // rdar://5739832 - operator new should check for overflow in multiply.
f2(long N)21 void *f2(long N) {
22 return new int[N];
23
24 // SANE: [[UWO:%.*]] = call {{.*}} @llvm.umul.with.overflow
25 // SANE-NEXT: [[OVER:%.*]] = extractvalue {{.*}} [[UWO]], 1
26 // SANE-NEXT: [[SUM:%.*]] = extractvalue {{.*}} [[UWO]], 0
27 // SANE-NEXT: [[RESULT:%.*]] = select i1 [[OVER]], i32 -1, i32 [[SUM]]
28 // SANE-NEXT: call noalias i8* @_Znaj(i32 [[RESULT]])
29 }
30