File: apply-penalty-for-outputs.ll

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 995,808 kB
  • sloc: cpp: 4,767,656; ansic: 760,916; asm: 477,436; python: 170,940; objc: 69,804; lisp: 29,914; sh: 23,855; f90: 18,173; pascal: 7,551; perl: 7,471; ml: 5,603; awk: 3,489; makefile: 2,573; xml: 915; cs: 573; fortran: 503; javascript: 452
file content (22 lines) | stat: -rw-r--r-- 475 bytes parent folder | download | duplicates (4) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
 
; REQUIRES: asserts
; RUN: opt -hotcoldsplit -debug-only=hotcoldsplit -S < %s -o /dev/null 2>&1 | FileCheck %s

declare void @sink() cold

@g = global i32 0

define i32 @foo(i32 %arg) {
entry:
  br i1 undef, label %cold, label %exit

cold:
  ; CHECK: Applying penalty for: 1 output
  ; CHECK: Applying penalty for: 1 non-region successors
  %local = load i32, i32* @g
  call void @sink()
  br label %exit

exit:
  %p = phi i32 [ %local, %cold ], [ 0, %entry ]
  ret i32 %p
}