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      1 ; RUN: llc -march=hexagon < %s
      2 ; RUN: llc -march=hexagon -disable-hcp < %s
      3 ; REQUIRES: asserts
      4 
      5 target datalayout = "e-m:e-p:32:32-i1:32-i64:64-a:0-v32:32-n16:32"
      6 target triple = "hexagon-unknown--elf"
      7 
      8 %struct.item = type { i32, i8*, i8*, i32, i8, i8, i16, i32, i8, i16, i32 }
      9 
     10 declare %struct.item* @foo(%struct.item*, i8*, i32) #1
     11 
     12 ; Function Attrs: nounwind
     13 define i32 @bar(%struct.item** %ptr, i8* %buf, i32 %c, i8* %d, i32 %e) #1 {
     14 entry:
     15   br i1 undef, label %return, label %if.end
     16 
     17 if.end:                                           ; preds = %entry
     18   br i1 undef, label %while.cond13.preheader, label %if.end3
     19 
     20 if.end3:                                          ; preds = %if.end
     21   br label %while.cond13.preheader
     22 
     23 while.cond13.preheader:                           ; preds = %if.end3, %if.end
     24   br i1 undef, label %while.body20, label %return
     25 
     26 while.body20:                                     ; preds = %if.end38, %while.cond13.preheader
     27   %addr.0100 = phi i32 [ undef, %if.end38 ], [ %c, %while.cond13.preheader ]
     28   %cond = select i1 undef, i32 %addr.0100, i32 undef
     29   br i1 undef, label %while.body20.if.end38_crit_edge, label %if.then32
     30 
     31 while.body20.if.end38_crit_edge:                  ; preds = %while.body20
     32   %conv39.pre = and i32 %cond, 65535
     33   br label %if.end38
     34 
     35 if.then32:                                        ; preds = %while.body20
     36   %conv33 = and i32 %cond, 65535
     37   %.pre = load %struct.item*, %struct.item** %ptr, align 4, !tbaa !1
     38   br label %if.end38
     39 
     40 if.end38:                                         ; preds = %if.then32, %while.body20.if.end38_crit_edge
     41   %conv39.pre-phi = phi i32 [ %conv39.pre, %while.body20.if.end38_crit_edge ], [ %conv33, %if.then32 ]
     42   %0 = phi %struct.item* [ undef, %while.body20.if.end38_crit_edge ], [ %.pre, %if.then32 ]
     43   %add = add i32 %conv39.pre-phi, 0
     44   %call52 = tail call %struct.item* @foo(%struct.item* %0, i8* %d, i32 %e) #1
     45   br i1 undef, label %while.body20, label %return
     46 
     47 return:                                           ; preds = %if.end38, %while.cond13.preheader, %entry
     48   %retval.0 = phi i32 [ 0, %entry ], [ 0, %while.cond13.preheader ], [ %add, %if.end38 ]
     49   ret i32 %retval.0
     50 }
     51 
     52 
     53 attributes #0 = { nounwind readonly }
     54 attributes #1 = { nounwind }
     55 
     56 !1 = !{!2, !2, i64 0}
     57 !2 = !{!"any pointer", !3, i64 0}
     58 !3 = !{!"omnipotent char", !4, i64 0}
     59 !4 = !{!"Simple C/C++ TBAA"}
     60