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