| Dehao Chen | f03f515 | 2016-10-20 18:06:52 +0000 | [diff] [blame^] | 1 | ; RUN: llc < %s -mtriple=x86_64-pc-linux | FileCheck %s |
| 2 | |
| 3 | ; Checks if movl $1 is sinked to critical edge. |
| 4 | ; CHECK-NOT: movl $1 |
| 5 | ; CHECK: jbe |
| 6 | ; CHECK: movl $1 |
| 7 | define i32 @test(i32 %n, i32 %k) nounwind { |
| 8 | entry: |
| 9 | %cmp = icmp ugt i32 %k, %n |
| 10 | br i1 %cmp, label %ifthen, label %ifend, !prof !1 |
| 11 | |
| 12 | ifthen: |
| 13 | %y = add i32 %k, 2 |
| 14 | br label %ifend |
| 15 | |
| 16 | ifend: |
| 17 | %ret = phi i32 [ 1, %entry ] , [ %y, %ifthen] |
| 18 | ret i32 %ret |
| 19 | } |
| 20 | |
| 21 | !1 = !{!"branch_weights", i32 100, i32 1} |