| David Majnemer | 6ee8d17 | 2015-01-04 07:06:53 +0000 | [diff] [blame] | 1 | ; RUN: opt -S -jump-threading < %s | FileCheck %s |
| 2 | |
| 3 | |
| 4 | ; CHECK-LABEL: @f( |
| 5 | ; CHECK-LABEL: entry: |
| 6 | ; CHECK-NEXT: br label %[[loop:.*]] |
| 7 | ; CHECK: [[loop]]: |
| 8 | ; CHECK-NEXT: br label %[[loop]] |
| 9 | |
| 10 | define void @f() { |
| 11 | entry: |
| 12 | br label %for.cond1 |
| 13 | |
| 14 | if.end16: |
| 15 | %phi1 = phi i32 [ undef, %for.cond1 ] |
| 16 | %g.3 = phi i32 [ %g.1, %for.cond1 ] |
| 17 | %sext = shl i32 %g.3, 16 |
| 18 | %conv20 = ashr exact i32 %sext, 16 |
| 19 | %tobool21 = icmp eq i32 %phi1, 0 |
| 20 | br i1 %tobool21, label %lor.rhs, label %for.cond1 |
| 21 | |
| 22 | for.cond1: |
| 23 | %g.1 = phi i32 [ 0, %entry ], [ 0, %lor.rhs ], [ %g.3, %if.end16 ] |
| 24 | br i1 undef, label %lor.rhs, label %if.end16 |
| 25 | |
| 26 | lor.rhs: |
| 27 | br label %for.cond1 |
| 28 | } |