31 lines
		
	
	
		
			455 B
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			31 lines
		
	
	
		
			455 B
		
	
	
	
		
			LLVM
		
	
	
	
| ; There should be no phi nodes left.
 | |
| ; RUN: opt < %s -jump-threading  -S | not grep "phi i32"
 | |
| 
 | |
| declare i32 @f1()
 | |
| declare i32 @f2()
 | |
| declare void @f3()
 | |
| 
 | |
| define i32 @test(i1 %cond) {
 | |
| 	br i1 %cond, label %T1, label %F1
 | |
| 
 | |
| T1:
 | |
| 	%v1 = call i32 @f1()
 | |
| 	br label %Merge
 | |
| 
 | |
| F1:
 | |
| 	%v2 = call i32 @f2()
 | |
| 	br label %Merge
 | |
| 
 | |
| Merge:
 | |
| 	%B = phi i32 [%v1, %T1], [12, %F1]
 | |
| 	%A = icmp ne i32 %B, 42
 | |
| 	br i1 %A, label %T2, label %F2
 | |
| 
 | |
| T2:
 | |
| 	call void @f3()
 | |
| 	ret i32 1
 | |
| 
 | |
| F2:
 | |
| 	ret i32 0
 | |
| }
 |