17 lines
		
	
	
		
			685 B
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			17 lines
		
	
	
		
			685 B
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: opt < %s -basic-aa -gvn -dce -S | FileCheck %s
 | |
| 
 | |
|         %struct.A = type { i32 }
 | |
|         %struct.B = type { %struct.A }
 | |
| @a = global %struct.B zeroinitializer           ; <%struct.B*> [#uses=2]
 | |
| 
 | |
| define i32 @_Z3fooP1A(%struct.A* %b) {
 | |
| ; CHECK: %tmp7 = load
 | |
| ; CHECK: ret i32 %tmp7
 | |
| entry:
 | |
|         store i32 1, i32* getelementptr (%struct.B, %struct.B* @a, i32 0, i32 0, i32 0), align 8
 | |
|         %tmp4 = getelementptr %struct.A, %struct.A* %b, i32 0, i32 0               ;<i32*> [#uses=1]
 | |
|         store i32 0, i32* %tmp4, align 4
 | |
|         %tmp7 = load i32, i32* getelementptr (%struct.B, %struct.B* @a, i32 0, i32 0, i32 0), align 8           ; <i32> [#uses=1]
 | |
|         ret i32 %tmp7
 | |
| }
 |