xref: /llvm-project/llvm/test/tools/llvm-profgen/update-samples.test (revision acfd0a345619c9293ac8fa5f690fa78b27a10814)

; RUN: llvm-profgen --format=text --perfscript=%S/Inputs/noprobe.perfscript --binary=%S/Inputs/noprobe.perfbin --output=%t1
; RUN: FileCheck %s --input-file %t1 --check-prefix=CALLSITE
; RUN: llvm-profgen --format=text --perfscript=%S/Inputs/noprobe.perfscript --binary=%S/Inputs/noprobe.perfbin --output=%t2 --update-total-samples=1
; RUN: FileCheck %s --input-file %t2 --check-prefix=TOTAL


;CALLSITE: foo:1241:0
;CALLSITE:  0: 0
;CALLSITE:  1: 0
;CALLSITE:  2: 19
;CALLSITE:  3: 21 bar:21
;CALLSITE:  4: 0
;CALLSITE:  5: 0

;TOTAL: foo:40:0
;TOTAL:  0: 0
;TOTAL:  1: 0
;TOTAL:  2: 19
;TOTAL:  3: 21 bar:21
;TOTAL:  4: 0
;TOTAL:  5: 0


; original code:
; clang -O3 -g -fdebug-info-for-profiling test.c -fno-inline -o a.out
#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) s = bar(i, s); else s += 30;
  printf("sum is %d\n", s);
}

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