llvm/llvm/test/tools/llvm-profgen/func-split.test

; 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