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	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
		
			
				
	
	
		
			39 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
			
		
		
	
	
			39 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
| ; RUN: opt < %s -indvars -S > %t
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| ; RUN: grep {%exitcond = icmp eq i64 %indvar.next, %n} %t
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| ; RUN: grep {getelementptr i8\\* %A, i64 %indvar} %t
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| ; RUN: grep getelementptr %t | count 1
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| ; RUN: grep add %t | count 1
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| ; RUN: not grep scevgep %t
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| ; RUN: not grep ptrtoint %t
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| 
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| ; Indvars should be able to expand the pointer-arithmetic
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| ; IV into an integer IV indexing into a simple getelementptr.
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| 
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| target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64"
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| 
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| define void @foo(i8* %A, i64 %n) nounwind {
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| entry:
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| 	%0 = icmp eq i64 %n, 0		; <i1> [#uses=1]
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| 	br i1 %0, label %return, label %bb.nph
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| 
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| bb.nph:		; preds = %entry
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| 	%1 = getelementptr i8* %A, i64 %n		; <i8*> [#uses=1]
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| 	br label %bb
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| 
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| bb:		; preds = %bb1, %bb.nph
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| 	%q.01 = phi i8* [ %2, %bb1 ], [ %A, %bb.nph ]		; <i8*> [#uses=2]
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| 	store i8 0, i8* %q.01, align 1
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| 	%2 = getelementptr i8* %q.01, i64 1		; <i8*> [#uses=2]
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| 	br label %bb1
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| 
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| bb1:		; preds = %bb
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| 	%3 = icmp eq i8* %1, %2		; <i1> [#uses=1]
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| 	br i1 %3, label %bb1.return_crit_edge, label %bb
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| 
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| bb1.return_crit_edge:		; preds = %bb1
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| 	br label %return
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| 
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| return:		; preds = %bb1.return_crit_edge, %entry
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| 	ret void
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| }
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