mirror of
				https://github.com/c64scene-ar/llvm-6502.git
				synced 2025-10-30 16:17:05 +00:00 
			
		
		
		
	input filename so that opt doesn't print the input filename in the output so that grep lines in the tests don't unintentionally match strings in the input filename. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81537 91177308-0d34-0410-b5e6-96231b3b80d8
		
			
				
	
	
		
			33 lines
		
	
	
		
			831 B
		
	
	
	
		
			LLVM
		
	
	
	
	
	
			
		
		
	
	
			33 lines
		
	
	
		
			831 B
		
	
	
	
		
			LLVM
		
	
	
	
	
	
| ; RUN: opt < %s -loop-reduce | llvm-dis
 | |
| ; PR3399
 | |
| 
 | |
| @g_53 = external global i32		; <i32*> [#uses=1]
 | |
| 
 | |
| define i32 @foo() nounwind {
 | |
| bb5.thread:
 | |
| 	br label %bb
 | |
| 
 | |
| bb:		; preds = %bb5, %bb5.thread
 | |
| 	%indvar = phi i32 [ 0, %bb5.thread ], [ %indvar.next, %bb5 ]		; <i32> [#uses=2]
 | |
| 	br i1 false, label %bb5, label %bb1
 | |
| 
 | |
| bb1:		; preds = %bb
 | |
| 	%l_2.0.reg2mem.0 = sub i32 0, %indvar		; <i32> [#uses=1]
 | |
| 	%0 = volatile load i32* @g_53, align 4		; <i32> [#uses=1]
 | |
| 	%1 = trunc i32 %l_2.0.reg2mem.0 to i16		; <i16> [#uses=1]
 | |
| 	%2 = trunc i32 %0 to i16		; <i16> [#uses=1]
 | |
| 	%3 = mul i16 %2, %1		; <i16> [#uses=1]
 | |
| 	%4 = icmp eq i16 %3, 0		; <i1> [#uses=1]
 | |
| 	br i1 %4, label %bb7, label %bb2
 | |
| 
 | |
| bb2:		; preds = %bb2, %bb1
 | |
| 	br label %bb2
 | |
| 
 | |
| bb5:		; preds = %bb
 | |
| 	%indvar.next = add i32 %indvar, 1		; <i32> [#uses=1]
 | |
| 	br label %bb
 | |
| 
 | |
| bb7:		; preds = %bb1
 | |
| 	ret i32 1
 | |
| }
 |