| Andrew Trick | 237f15d | 2011-05-24 01:02:49 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s -indvars -S | FileCheck %s |
| Andrew Trick | f21bdf4 | 2011-09-12 18:28:44 +0000 | [diff] [blame] | 2 | ; RUN: opt < %s -indvars -enable-iv-rewrite=false -S | FileCheck %s |
| Andrew Trick | 237f15d | 2011-05-24 01:02:49 +0000 | [diff] [blame] | 3 | ; CHECK-NOT: and |
| 4 | ; CHECK-NOT: zext |
| Dan Gohman | 81db61a | 2009-05-12 02:17:14 +0000 | [diff] [blame] | 5 | |
| Lang Hames | 68df750 | 2011-10-12 22:24:17 +0000 | [diff] [blame^] | 6 | target datalayout = "-p:64:64:64-n32:64" |
| Dan Gohman | 81db61a | 2009-05-12 02:17:14 +0000 | [diff] [blame] | 7 | |
| 8 | define void @foo(double* %d, i64 %n) nounwind { |
| 9 | entry: |
| 10 | br label %loop |
| 11 | |
| 12 | loop: |
| 13 | %indvar = phi i64 [ 0, %entry ], [ %indvar.next, %loop ] |
| 14 | %indvar.i8 = and i64 %indvar, 255 |
| 15 | %t0 = getelementptr double* %d, i64 %indvar.i8 |
| 16 | %t1 = load double* %t0 |
| Dan Gohman | ae3a0be | 2009-06-04 22:49:04 +0000 | [diff] [blame] | 17 | %t2 = fmul double %t1, 0.1 |
| Dan Gohman | 81db61a | 2009-05-12 02:17:14 +0000 | [diff] [blame] | 18 | store double %t2, double* %t0 |
| 19 | %indvar.i24 = and i64 %indvar, 16777215 |
| 20 | %t3 = getelementptr double* %d, i64 %indvar.i24 |
| 21 | %t4 = load double* %t3 |
| Dan Gohman | ae3a0be | 2009-06-04 22:49:04 +0000 | [diff] [blame] | 22 | %t5 = fmul double %t4, 2.3 |
| Dan Gohman | 81db61a | 2009-05-12 02:17:14 +0000 | [diff] [blame] | 23 | store double %t5, double* %t3 |
| 24 | %t6 = getelementptr double* %d, i64 %indvar |
| 25 | %t7 = load double* %t6 |
| Dan Gohman | ae3a0be | 2009-06-04 22:49:04 +0000 | [diff] [blame] | 26 | %t8 = fmul double %t7, 4.5 |
| Dan Gohman | 81db61a | 2009-05-12 02:17:14 +0000 | [diff] [blame] | 27 | store double %t8, double* %t6 |
| 28 | %indvar.next = add i64 %indvar, 1 |
| 29 | %exitcond = icmp eq i64 %indvar.next, 10 |
| 30 | br i1 %exitcond, label %return, label %loop |
| 31 | |
| 32 | return: |
| 33 | ret void |
| 34 | } |