File: func-split.test

package info (click to toggle)
llvm-toolchain-16 1%3A16.0.6-15~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,634,792 kB
  • sloc: cpp: 6,179,261; ansic: 1,216,205; asm: 741,319; python: 196,614; objc: 75,325; f90: 49,640; lisp: 32,396; pascal: 12,286; sh: 9,394; perl: 7,442; ml: 5,494; awk: 3,523; makefile: 2,723; javascript: 1,206; xml: 886; fortran: 581; cs: 573
file content (69 lines) | stat: -rw-r--r-- 1,523 bytes parent folder | download | duplicates (13)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
; RUN: llvm-profgen --format=text --perfscript=%S/Inputs/func-split.perfscript --binary=%S/Inputs/func-split.perfbin --output=%t --gen-cs-nested-profile=0
; RUN: FileCheck %s --input-file %t --check-prefix=CHECK
; RUN: llvm-profgen --format=text --perfscript=%S/Inputs/func-split.perfscript --binary=%S/Inputs/func-split.perfbin --output=%t --ignore-stack-samples --gen-cs-nested-profile=0
; RUN: FileCheck %s --input-file %t --check-prefix=CHECK-STRIP-CTX

;CHECK: [foo]:409:0
;CHECK:  2.1: 27
;CHECK:  3: 27
;CHECK:  3.1: 2 bar:2
;CHECK:  3.2: 26
;CHECK: [foo:3.1 @ bar]:8:0
;CHECK:  1: 1
;CHECK:  5: 1
;CHECK: [bar]:0:1

;CHECK-NOT: foo.cold

;CHECK-STRIP-CTX: foo:1334:0
;CHECK-STRIP-CTX:  0: 0
;CHECK-STRIP-CTX:  2.1: 27
;CHECK-STRIP-CTX:  3: 27
;CHECK-STRIP-CTX:  3.1: 1 bar:1
;CHECK-STRIP-CTX:  3.2: 26
;CHECK-STRIP-CTX:  4: 0
;CHECK-STRIP-CTX: bar:27:1
;CHECK-STRIP-CTX:  1: 1
;CHECK-STRIP-CTX:  5: 1

;CHECK-STRIP-CTX-NOT: foo.cold


; clang -g -O3 -fdebug-info-for-profiling func-split.c -mllvm -mfs-count-threshold=0
; -fprofile-sample-use=profile.txt -fno-inline -mllvm --enable-split-machine-functions=1

#include <stdio.h>

int bar(int x, int y) {
  if (x % 3) {
    return x - y;
  }
  return x + y;
}

void foo() {
  int s, i = 0;
  while (i++ < 4000 * 4000)
    if (i % 91 == 0) s = bar(i, s); else s += 30;
  printf("sum is %d\n", s);
}

int main() {
  foo();
  return 0;
}

; profile.txt:

foo:106269:0
 2.1: 2268
 2.2: 2217
 3: 2268
 3.1: 1 bar:1
 3.2: 2192
bar:1032:1
 0: 24
 1: 24
 2: 16
 4: 8
 5: 24