20 lines
		
	
	
		
			403 B
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			20 lines
		
	
	
		
			403 B
		
	
	
	
		
			LLVM
		
	
	
	
; RUN: opt < %s -instcombine -S | grep "ret i32 10"
 | 
						|
 | 
						|
@g1 = available_externally constant i32 1
 | 
						|
@g2 = linkonce_odr constant i32 2
 | 
						|
@g3 = weak_odr constant i32 3
 | 
						|
@g4 = internal constant i32 4
 | 
						|
 | 
						|
define i32 @test() {
 | 
						|
  %A = load i32, i32* @g1
 | 
						|
  %B = load i32, i32* @g2
 | 
						|
  %C = load i32, i32* @g3
 | 
						|
  %D = load i32, i32* @g4
 | 
						|
  
 | 
						|
  %a = add i32 %A, %B
 | 
						|
  %b = add i32 %a, %C
 | 
						|
  %c = add i32 %b, %D
 | 
						|
  ret i32 %c
 | 
						|
}
 | 
						|
   
 |