| Vedant Kumar | db3f977 | 2019-01-25 18:30:37 +0000 | [diff] [blame] | 1 | ; REQUIRES: asserts |
| 2 | ; RUN: opt -hotcoldsplit -debug-only=hotcoldsplit -S < %s -o /dev/null 2>&1 | FileCheck %s |
| 3 | |
| 4 | declare void @sink() cold |
| 5 | |
| 6 | @g = global i32 0 |
| 7 | |
| 8 | define i32 @foo(i32 %arg) { |
| 9 | entry: |
| 10 | br i1 undef, label %cold, label %exit |
| 11 | |
| 12 | cold: |
| 13 | ; CHECK: Applying penalty for: 1 output |
| 14 | ; CHECK: Applying penalty for: 1 non-region successors |
| 15 | %local = load i32, i32* @g |
| 16 | call void @sink() |
| 17 | br label %exit |
| 18 | |
| 19 | exit: |
| 20 | %p = phi i32 [ %local, %cold ], [ 0, %entry ] |
| 21 | ret i32 %p |
| 22 | } |