test/tools/llvm-profgen/merge-cold-profile.test

; Used the data from recursion-compression.test, refer it for the unmerged output
; RUN: llvm-profgen --perfscript=%S/Inputs/recursion-compression-pseudoprobe.perfscript --binary=%S/Inputs/recursion-compression-pseudoprobe.perfbin --output=%t --compress-recursion=-1 --csprof-cold-thres=8
; RUN: FileCheck %s --input-file %t

; Test --csprof-keep-cold
; RUN: llvm-profgen --perfscript=%S/Inputs/recursion-compression-pseudoprobe.perfscript --binary=%S/Inputs/recursion-compression-pseudoprobe.perfbin --output=%t --compress-recursion=-1 --csprof-cold-thres=100 --csprof-keep-cold
; RUN: FileCheck %s --input-file %t --check-prefix=CHECK-KEEP-COLD

; CHECK:     [fa]:14:4
; CHECK-NEXT: 1: 4
; CHECK-NEXT: 3: 4
; CHECK-NEXT: 4: 2
; CHECK-NEXT: 5: 1
; CHECK-NEXT: 7: 2 fb:2
; CHECK-NEXT: 8: 1 fa:1
; CHECK-NEXT: !CFGChecksum: 120515930909
; CHECK-NEXT:[main:2 @ foo:5 @ fa:8 @ fa:7 @ fb:5 @ fb]:13:4
; CHECK-NEXT: 1: 4
; CHECK-NEXT: 2: 3
; CHECK-NEXT: 3: 1
; CHECK-NEXT: 5: 4 fb:4
; CHECK-NEXT: 6: 1 fa:1
; CHECK-NEXT: !CFGChecksum: 72617220756

; CHECK-KEEP-COLD:     [fb]:19:6
; CHECK-KEEP-COLD-NEXT: 1: 6
; CHECK-KEEP-COLD-NEXT: 2: 3
; CHECK-KEEP-COLD-NEXT: 3: 3
; CHECK-KEEP-COLD-NEXT: 5: 4 fb:4
; CHECK-KEEP-COLD-NEXT: 6: 3 fa:3
; CHECK-KEEP-COLD-NEXT: !CFGChecksum: 72617220756
; CHECK-KEEP-COLD-NEXT:[fa]:14:4
; CHECK-KEEP-COLD-NEXT: 1: 4
; CHECK-KEEP-COLD-NEXT: 3: 4
; CHECK-KEEP-COLD-NEXT: 4: 2
; CHECK-KEEP-COLD-NEXT: 5: 1
; CHECK-KEEP-COLD-NEXT: 7: 2 fb:2
; CHECK-KEEP-COLD-NEXT: 8: 1 fa:1
; CHECK-KEEP-COLD-NEXT: !CFGChecksum: 120515930909


; clang -O3 -fexperimental-new-pass-manager -fuse-ld=lld -fpseudo-probe-for-profiling
; -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -Xclang -mdisable-tail-calls
; -g test.c  -o a.out

; Copied from recursion-compression.test
#include <stdio.h>

int fb(int n) {
  if(n > 10) return fb(n / 2);
  return fa(n - 1);
}

int fa(int n) {
  if(n < 2) return n;
  if(n % 2) return fb(n - 1);
  return fa(n - 1);
}

void foo() {
  int s, i = 0;
  while (i++ < 10000)
    s += fa(i);
  printf("sum is %d\n", s);
}

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