38 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			38 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: opt -S -indvars < %s | FileCheck %s
 | |
| 
 | |
| ; Check that this test does not crash.
 | |
| 
 | |
| target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
 | |
| target triple = "x86_64-apple-macosx10.10.0"
 | |
| 
 | |
| define void @re_update_line(i8* %new) {
 | |
| ; CHECK: @re_update_line(
 | |
| entry:
 | |
|   %incdec.ptr6 = getelementptr inbounds i8, i8* %new, i64 1
 | |
|   br label %for.cond.11.preheader
 | |
| 
 | |
| for.cond.11.preheader:                            ; preds = %for.inc.26, %entry
 | |
|   %n.154 = phi i8* [ %new, %entry ], [ %incdec.ptr27, %for.inc.26 ]
 | |
|   %cmp12.52 = icmp ult i8* %n.154, %incdec.ptr6
 | |
|   br i1 %cmp12.52, label %land.rhs.16.lr.ph, label %for.inc.26
 | |
| 
 | |
| land.rhs.16.lr.ph:                                ; preds = %for.cond.11.preheader
 | |
|   br label %land.rhs.16
 | |
| 
 | |
| for.cond.11:                                      ; preds = %land.rhs.16
 | |
|   %incdec.ptr24 = getelementptr inbounds i8, i8* %p.053, i64 1
 | |
|   %cmp12 = icmp ult i8* %p.053, %new
 | |
|   br i1 %cmp12, label %land.rhs.16, label %for.inc.26
 | |
| 
 | |
| land.rhs.16:                                      ; preds = %for.cond.11, %land.rhs.16.lr.ph
 | |
|   %p.053 = phi i8* [ %n.154, %land.rhs.16.lr.ph ], [ %incdec.ptr24, %for.cond.11 ]
 | |
|   br i1 undef, label %for.cond.11, label %for.inc.26
 | |
| 
 | |
| for.inc.26:                                       ; preds = %land.rhs.16, %for.cond.11, %for.cond.11.preheader
 | |
|   %incdec.ptr27 = getelementptr inbounds i8, i8* %n.154, i64 1
 | |
|   br i1 false, label %for.cond.11.preheader, label %for.end.28
 | |
| 
 | |
| for.end.28:                                       ; preds = %for.inc.26
 | |
|   ret void
 | |
| }
 |