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      1 ; RUN: llc -march=hexagon < %s | FileCheck %s
      2 ; REQUIRES: asserts
      3 
      4 ; Check that we don't crash.
      5 ; CHECK: call bar
      6 
      7 target triple = "hexagon"
      8 
      9 @debug = external hidden unnamed_addr global i1, align 4
     10 
     11 ; Function Attrs: nounwind
     12 define void @foo() local_unnamed_addr #0 {
     13 entry:
     14   br label %if.end5
     15 
     16 if.end5:                                          ; preds = %entry
     17   br i1 undef, label %if.then12, label %if.end13
     18 
     19 if.then12:                                        ; preds = %if.end5
     20   unreachable
     21 
     22 if.end13:                                         ; preds = %if.end5
     23   br label %for.cond
     24 
     25 for.cond:                                         ; preds = %if.end13
     26   %or.cond288 = or i1 undef, undef
     27   br i1 undef, label %if.then44, label %if.end51
     28 
     29 if.then44:                                        ; preds = %for.cond
     30   tail call void @bar() #0
     31   br label %if.end51
     32 
     33 if.end51:                                         ; preds = %if.then44, %for.cond
     34   %.b433 = load i1, i1* @debug, align 4
     35   %or.cond290 = and i1 %or.cond288, %.b433
     36   br i1 %or.cond290, label %if.then55, label %if.end63
     37 
     38 if.then55:                                        ; preds = %if.end51
     39   unreachable
     40 
     41 if.end63:                                         ; preds = %if.end51
     42   unreachable
     43 }
     44 
     45 declare void @bar() local_unnamed_addr #0
     46 
     47 attributes #0 = { nounwind }
     48