| Wei Mi | fc1cab3 | 2016-02-09 00:07:08 +0000 | [diff] [blame] | 1 | ; PR26529: Check the assumption of IndVarSimplify to do SCEV expansion in literal mode |
| 2 | ; instead of CanonicalMode is properly maintained in SCEVExpander::expand. |
| 3 | ; RUN: opt -indvars < %s |
| 4 | |
| 5 | target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| 6 | target triple = "x86_64-unknown-linux-gnu" |
| 7 | |
| 8 | ; Function Attrs: norecurse nounwind uwtable |
| 9 | define void @ehF() #0 { |
| 10 | entry: |
| 11 | br i1 undef, label %if.then.i, label %hup.exit |
| 12 | |
| 13 | if.then.i: ; preds = %entry |
| 14 | br i1 undef, label %for.body.lr.ph.i, label %hup.exit |
| 15 | |
| 16 | for.body.lr.ph.i: ; preds = %if.then.i |
| 17 | br label %for.body.i |
| 18 | |
| 19 | for.body.i: ; preds = %for.body.i, %for.body.lr.ph.i |
| 20 | %i.03.i = phi i32 [ 0, %for.body.lr.ph.i ], [ %inc.i, %for.body.i ] |
| 21 | %k.02.i = phi i32 [ 1, %for.body.lr.ph.i ], [ %inc5.i, %for.body.i ] |
| 22 | %inc.i = add nsw i32 %i.03.i, 1 |
| 23 | %idxprom.i = sext i32 %i.03.i to i64 |
| 24 | %idxprom2.i = sext i32 %k.02.i to i64 |
| 25 | %inc5.i = add nsw i32 %k.02.i, 1 |
| 26 | br i1 false, label %for.body.i, label %hup.exit |
| 27 | |
| 28 | hup.exit: ; preds = %for.body.i, %if.then.i, %entry |
| 29 | ret void |
| 30 | } |
| 31 | |
| 32 | attributes #0 = { norecurse nounwind uwtable "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2" "unsafe-fp-math"="false" "use-soft-float"="false" } |