forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			29 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			29 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C
		
	
	
	
| // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fsanitize=unsigned-integer-overflow -fsanitize-recover=unsigned-integer-overflow %s -emit-llvm -o - | FileCheck %s --check-prefix=RECOVER
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| // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fsanitize=unsigned-integer-overflow %s -emit-llvm -o - | FileCheck %s --check-prefix=ABORT
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| // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fsanitize=null,object-size,alignment -fsanitize-recover=object-size %s -emit-llvm -o - | FileCheck %s --check-prefix=PARTIAL
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| 
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| // RECOVER: @test
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| // ABORT: @test
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| void test() {
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|   extern volatile unsigned x, y, z;
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| 
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|   // RECOVER: uadd.with.overflow.i32{{.*}}, !nosanitize
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|   // RECOVER: ubsan_handle_add_overflow({{.*}}, !nosanitize
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|   // RECOVER-NOT: unreachable
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|   // ABORT: uadd.with.overflow.i32{{.*}}, !nosanitize
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|   // ABORT: ubsan_handle_add_overflow_abort({{.*}}, !nosanitize
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|   // ABORT: unreachable{{.*}}, !nosanitize
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|   x = y + z;
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| }
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| 
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| void foo() {
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|   union { int i; } u;
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|   u.i=1;
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|   // PARTIAL:      %[[SIZE:.*]] = call i64 @llvm.objectsize.i64.p0i8(i8* {{.*}}, i1 false, i1 false)
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|   // PARTIAL-NEXT: %[[CHECK0:.*]] = icmp uge i64 %[[SIZE]], 4
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| 
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|   // PARTIAL:      br i1 %[[CHECK0]], {{.*}} !nosanitize
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| 
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|   // PARTIAL:      call void @__ubsan_handle_type_mismatch_v1(
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| }
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