Files
clang-p2996/clang/test/CodeGenCXX/operator-new.cpp
hyeongyu kim fd9b099906 Revert "[Clang/Test]: Rename enable_noundef_analysis to disable-noundef-analysis and turn it off by default"
This reverts commit aacfbb953e.

Revert "Fix lit test failures in CodeGenCoroutines"

This reverts commit 63fff0f5bf.
2021-11-09 02:15:55 +09:00

30 lines
991 B
C++

// RUN: %clang_cc1 -triple i686-pc-linux-gnu -emit-llvm -o %t-1.ll %s
// RUN: FileCheck --check-prefix=ALL -check-prefix SANE --input-file=%t-1.ll %s
// RUN: %clang_cc1 -triple i686-pc-linux-gnu -emit-llvm -fno-assume-sane-operator-new -o %t-2.ll %s
// RUN: FileCheck --check-prefix=ALL -check-prefix SANENOT --input-file=%t-2.ll %s
class teste {
int A;
public:
teste() : A(2) {}
};
void f1() {
// ALL: declare nonnull i8* @_Znwj(
new teste();
}
// rdar://5739832 - operator new should check for overflow in multiply.
void *f2(long N) {
return new int[N];
// ALL: [[UWO:%.*]] = call {{.*}} @llvm.umul.with.overflow
// ALL-NEXT: [[OVER:%.*]] = extractvalue {{.*}} [[UWO]], 1
// ALL-NEXT: [[SUM:%.*]] = extractvalue {{.*}} [[UWO]], 0
// ALL-NEXT: [[RESULT:%.*]] = select i1 [[OVER]], i32 -1, i32 [[SUM]]
// SANE-NEXT: call noalias nonnull i8* @_Znaj(i32 [[RESULT]])
// SANENOT-NEXT: call nonnull i8* @_Znaj(i32 [[RESULT]])
}
// ALL: declare nonnull i8* @_Znaj(