src/llvm-project/llvm/test/Transforms/SampleProfile/Inputs/csspgo-import-list-callee-samples.prof

main:3040:0
 1: 0
 2: 510
 3: 0
 4: 510
 5: 510
 6: 0
 7: 1557 func:1557
 !CFGChecksum: 281582081721716
func:2671:1557
 1: 1557
 2: foo:657
  1: 657
  !CFGChecksum: 4294967295
 3: baz:557
  1: 557
  !CFGChecksum: 4294967295
 !CFGChecksum: 562954248388607