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      1 ; RUN: opt < %s -loop-reduce -S | FileCheck %s
      2 ; RUN: opt -passes='require<scalar-evolution>,require<targetir>,loop(strength-reduce)' < %s -S | FileCheck %s
      3 ;
      4 ; PR11782: bad cast to AddRecExpr.
      5 ; A sign extend feeds an IVUser and cannot be hoisted into the AddRec.
      6 ; CollectIVChains should bailout on this case.
      7 
      8 
      9 ; Provide legal integer types.
     10 target datalayout = "n8:16:32:64"
     11 
     12 %struct = type { i8*, i8*, i16, i64, i16, i16, i16, i64, i64, i16, i8*, i64, i64, i64 }
     13 
     14 ; CHECK-LABEL: @test(
     15 ; CHECK: for.body:
     16 ; CHECK: lsr.iv = phi %struct
     17 ; CHECK: br
     18 define i32 @test(i8* %h, i32 %more) nounwind uwtable {
     19 entry:
     20   br i1 undef, label %land.end238, label %return
     21 
     22 land.end238:                                      ; preds = %if.end229
     23   br label %for.body
     24 
     25 for.body:                                         ; preds = %sw.epilog, %land.end238
     26   %fbh.0 = phi %struct* [ undef, %land.end238 ], [ %incdec.ptr, %sw.epilog ]
     27   %column_n.0 = phi i16 [ 0, %land.end238 ], [ %inc601, %sw.epilog ]
     28   %conv250 = sext i16 %column_n.0 to i32
     29   %add257 = add nsw i32 %conv250, 1
     30   %conv258 = trunc i32 %add257 to i16
     31   %cmp263 = icmp ult i16 undef, 2
     32   br label %if.end388
     33 
     34 if.end388:                                        ; preds = %if.then380, %if.else356
     35   %ColLength = getelementptr inbounds %struct, %struct* %fbh.0, i64 0, i32 7
     36   %call405 = call signext i16 @SQLColAttribute(i8* undef, i16 zeroext %conv258, i16 zeroext 1003, i8* null, i16 signext 0, i16* null, i64* %ColLength) nounwind
     37   br label %sw.epilog
     38 
     39 sw.epilog:                                        ; preds = %sw.bb542, %sw.bb523, %if.end475
     40   %inc601 = add i16 %column_n.0, 1
     41   %incdec.ptr = getelementptr inbounds %struct, %struct* %fbh.0, i64 1
     42   br label %for.body
     43 
     44 return:                                           ; preds = %entry
     45   ret i32 1
     46 }
     47 
     48 declare signext i16 @SQLColAttribute(i8*, i16 zeroext, i16 zeroext, i8*, i16 signext, i16*, i64*)
     49