File: apply-penalty-for-outputs.ll

package info (click to toggle)
llvm-toolchain-9 1%3A9.0.1-16
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 882,436 kB
  • sloc: cpp: 4,167,636; ansic: 714,256; asm: 457,610; python: 155,927; objc: 65,094; sh: 42,856; lisp: 26,908; perl: 7,786; pascal: 7,722; makefile: 6,881; ml: 5,581; awk: 3,648; cs: 2,027; xml: 888; javascript: 381; ruby: 156
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
}