| Andrew Trick | b9c822a | 2012-01-20 21:23:40 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s -loop-reduce -S | FileCheck %s |
| 2 | ; |
| 3 | ; PR11782: bad cast to AddRecExpr. |
| 4 | ; A sign extend feeds an IVUser and cannot be hoisted into the AddRec. |
| 5 | ; CollectIVChains should bailout on this case. |
| 6 | |
| 7 | %struct = type { i8*, i8*, i16, i64, i16, i16, i16, i64, i64, i16, i8*, i64, i64, i64 } |
| 8 | |
| 9 | ; CHECK: @test |
| 10 | ; CHECK: for.body: |
| 11 | ; CHECK: lsr.iv = phi %struct |
| 12 | ; CHECK: br |
| 13 | define i32 @test(i8* %h, i32 %more) nounwind uwtable { |
| 14 | entry: |
| 15 | br i1 undef, label %land.end238, label %return |
| 16 | |
| 17 | land.end238: ; preds = %if.end229 |
| 18 | br label %for.body |
| 19 | |
| 20 | for.body: ; preds = %sw.epilog, %land.end238 |
| 21 | %fbh.0 = phi %struct* [ undef, %land.end238 ], [ %incdec.ptr, %sw.epilog ] |
| 22 | %column_n.0 = phi i16 [ 0, %land.end238 ], [ %inc601, %sw.epilog ] |
| 23 | %conv250 = sext i16 %column_n.0 to i32 |
| 24 | %add257 = add nsw i32 %conv250, 1 |
| 25 | %conv258 = trunc i32 %add257 to i16 |
| 26 | %cmp263 = icmp ult i16 undef, 2 |
| 27 | br label %if.end388 |
| 28 | |
| 29 | if.end388: ; preds = %if.then380, %if.else356 |
| 30 | %ColLength = getelementptr inbounds %struct* %fbh.0, i64 0, i32 7 |
| 31 | %call405 = call signext i16 @SQLColAttribute(i8* undef, i16 zeroext %conv258, i16 zeroext 1003, i8* null, i16 signext 0, i16* null, i64* %ColLength) nounwind |
| 32 | br label %sw.epilog |
| 33 | |
| 34 | sw.epilog: ; preds = %sw.bb542, %sw.bb523, %if.end475 |
| 35 | %inc601 = add i16 %column_n.0, 1 |
| 36 | %incdec.ptr = getelementptr inbounds %struct* %fbh.0, i64 1 |
| 37 | br label %for.body |
| 38 | |
| 39 | return: ; preds = %entry |
| 40 | ret i32 1 |
| 41 | } |
| 42 | |
| 43 | declare signext i16 @SQLColAttribute(i8*, i16 zeroext, i16 zeroext, i8*, i16 signext, i16*, i64*) |