| Sanjoy Das | de47590 | 2016-01-17 18:12:52 +0000 | [diff] [blame] | 1 | ; RUN: opt -S -indvars < %s | FileCheck %s |
| 2 | |
| 3 | target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| 4 | target triple = "x86_64-unknown-linux-gnu" |
| 5 | |
| 6 | define void @fn1() { |
| 7 | ; CHECK-LABEL: @fn1( |
| 8 | entry: |
| 9 | br label %for.cond.loopexit |
| 10 | |
| 11 | for.cond.loopexit: ; preds = %for.inc7, %for.cond.loopexit, %entry |
| 12 | %c.1.lcssa = phi i32 [ %inc8, %for.inc7 ], [ 0, %for.cond.loopexit ], [ 0, %entry ] |
| 13 | br i1 undef, label %for.cond.loopexit, label %for.cond4.preheader |
| 14 | |
| 15 | for.cond4.preheader: ; preds = %for.inc7, %for.cond.loopexit |
| 16 | %c.17 = phi i32 [ %inc8, %for.inc7 ], [ 0, %for.cond.loopexit ] |
| 17 | br label %for.body6 |
| 18 | |
| 19 | for.body6: ; preds = %for.body6, %for.cond4.preheader |
| 20 | %inc14 = phi i32 [ 0, %for.cond4.preheader ], [ %inc, %for.body6 ] |
| 21 | %idxprom = zext i32 %inc14 to i64 |
| 22 | %inc = add i32 %inc14, 1 |
| 23 | %cmp5 = icmp ult i32 %inc, 2 |
| 24 | br i1 %cmp5, label %for.body6, label %for.inc7 |
| 25 | |
| 26 | for.inc7: ; preds = %for.body6 |
| 27 | %inc.lcssa = phi i32 [ %inc, %for.body6 ] |
| 28 | %inc8 = add i32 %c.17, 1 |
| 29 | %cmp = icmp ult i32 %inc8, %inc.lcssa |
| 30 | br i1 %cmp, label %for.cond4.preheader, label %for.cond.loopexit |
| 31 | } |