29 lines
		
	
	
		
			730 B
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			29 lines
		
	
	
		
			730 B
		
	
	
	
		
			C++
		
	
	
	
| // RUN: %clang_cc1 -triple=x86_64-linux-gnu -emit-llvm -o - %s | FileCheck %s
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| 
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| // PR8839
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| extern "C" char memmove();
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| 
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| int main() {
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|   // CHECK: call {{signext i8|i8}} @memmove()
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|   return memmove();
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| }
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| 
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| struct S;
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| // CHECK: define {{.*}} @_Z9addressofbR1SS0_(
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| S *addressof(bool b, S &s, S &t) {
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|   // CHECK: %[[LVALUE:.*]] = phi
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|   // CHECK: ret {{.*}}* %[[LVALUE]]
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|   return __builtin_addressof(b ? s : t);
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| }
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| 
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| extern "C" int __builtin_abs(int); // #1
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| long __builtin_abs(long);          // #2
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| extern "C" int __builtin_abs(int); // #3
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| 
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| int x = __builtin_abs(-2);
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| // CHECK:  store i32 2, i32* @x, align 4
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| 
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| long y = __builtin_abs(-2l);
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| // CHECK:  [[Y:%.+]] = call i64 @_Z13__builtin_absl(i64 -2)
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| // CHECK:  store i64 [[Y]], i64* @y, align 8
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