| Dan Gohman | f2f6ce6 | 2009-09-11 18:01:28 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s -analyze -scalar-evolution -disable-output \ |
| Edward O'Callaghan | 4ea7d4c | 2009-10-27 14:54:46 +0000 | [diff] [blame^] | 2 | ; RUN: -scalar-evolution-max-iterations=0 | FileCheck %s |
| Eli Friedman | b42a626 | 2008-08-04 23:49:06 +0000 | [diff] [blame] | 3 | ; PR2621 |
| 4 | |
| 5 | define i32 @a() nounwind { |
| 6 | entry: |
| 7 | br label %bb1 |
| 8 | |
| 9 | bb: |
| 10 | trunc i32 %i.0 to i16 |
| 11 | add i16 %0, %x16.0 |
| 12 | add i32 %i.0, 1 |
| 13 | br label %bb1 |
| 14 | |
| 15 | bb1: |
| 16 | %i.0 = phi i32 [ 0, %entry ], [ %2, %bb ] |
| 17 | %x16.0 = phi i16 [ 0, %entry ], [ %1, %bb ] |
| 18 | icmp ult i32 %i.0, 888888 |
| 19 | br i1 %3, label %bb, label %bb2 |
| 20 | |
| 21 | bb2: |
| 22 | zext i16 %x16.0 to i32 |
| 23 | ret i32 %4 |
| 24 | } |
| 25 | |
| Edward O'Callaghan | 4ea7d4c | 2009-10-27 14:54:46 +0000 | [diff] [blame^] | 26 | ; CHECK: Exits: 20028 |
| 27 | |