25 lines
		
	
	
		
			818 B
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			25 lines
		
	
	
		
			818 B
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: opt < %s -S -loop-unroll | FileCheck %s
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| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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| target triple = "x86_64-unknown-linux-gnu"
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| 
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| define x86_mmx @f() #0 {
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| entry:
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|   br label %for.body
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| 
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| for.body:                                         ; preds = %for.body, %entry
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|   %phi = phi i32 [ 1, %entry ], [ %add, %for.body ]
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|   %add = add i32 %phi, 1
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|   %cmp = icmp eq i32 %phi, 0
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|   br i1 %cmp, label %exit, label %for.body
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| 
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| exit:                                             ; preds = %for.body
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|   %ret = phi x86_mmx [ undef, %for.body ]
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|   ; CHECK: %[[ret_unr:.*]] = phi x86_mmx [ undef,
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|   ; CHECK: %[[ret_ph:.*]]  = phi x86_mmx [ undef,
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|   ; CHECK: %[[ret:.*]] = phi x86_mmx [ %[[ret_unr]], {{.*}} ], [ %[[ret_ph]]
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|   ; CHECK: ret x86_mmx %[[ret]]
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|   ret x86_mmx %ret
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| }
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| 
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| attributes #0 = { "target-cpu"="x86-64" }
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