37 lines
		
	
	
		
			934 B
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			37 lines
		
	
	
		
			934 B
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: opt < %s -indvars -S | FileCheck %s
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| 
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| ; Provide legal integer types.
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| target datalayout = "n8:16:32:64"
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| 
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| 
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| define void @foo(i64* nocapture %x, i32 %n) nounwind {
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| ; CHECK-LABEL: @foo(
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| ; CHECK-NOT: sext
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| ; CHECK: phi
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| ; CHECK-NOT: phi
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| entry:
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| 	%tmp102 = icmp sgt i32 %n, 0		; <i1> [#uses=1]
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| 	br i1 %tmp102, label %bb.nph, label %return
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| 
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| bb.nph:		; preds = %entry
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| 	br label %bb
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| 
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| bb:		; preds = %bb7, %bb.nph
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| 	%i.01 = phi i32 [ %tmp6, %bb7 ], [ 0, %bb.nph ]		; <i32> [#uses=3]
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| 	%tmp1 = sext i32 %i.01 to i64		; <i64> [#uses=1]
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| 	%tmp4 = getelementptr i64, i64* %x, i32 %i.01		; <i64*> [#uses=1]
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| 	store i64 %tmp1, i64* %tmp4, align 8
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| 	%tmp6 = add i32 %i.01, 1		; <i32> [#uses=2]
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| 	br label %bb7
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| 
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| bb7:		; preds = %bb
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| 	%tmp10 = icmp slt i32 %tmp6, %n		; <i1> [#uses=1]
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| 	br i1 %tmp10, label %bb, label %bb7.return_crit_edge
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| 
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| bb7.return_crit_edge:		; preds = %bb7
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| 	br label %return
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| 
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| return:		; preds = %bb7.return_crit_edge, %entry
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| 	ret void
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| }
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