test/tools/llvm-profdata/weight-instr.test

   1 Tests for weighted merge of instrumented profiles.
   2
   3 1- Merge the foo and bar profiles with unity weight and verify the combined output
   4 RUN: llvm-profdata merge --instr %p/Inputs/weight-instr-bar.profdata:1 %p/Inputs/weight-instr-foo.profdata:1 -o %t
   5 RUN: llvm-profdata show --instr -all-functions %t | FileCheck %s --check-prefix=WEIGHT1
   6 WEIGHT1: Counters:
   7 WEIGHT1:   usage:
   8 WEIGHT1:     Hash: 0x0000000000000000
   9 WEIGHT1:     Counters: 1
  10 WEIGHT1:     Function count: 0
  11 WEIGHT1:   foo:
  12 WEIGHT1:     Hash: 0x000000000000028a
  13 WEIGHT1:     Counters: 3
  14 WEIGHT1:     Function count: 866988873
  15 WEIGHT1:   bar:
  16 WEIGHT1:     Hash: 0x000000000000028a
  17 WEIGHT1:     Counters: 3
  18 WEIGHT1:     Function count: 866988873
  19 WEIGHT1:   main:
  20 WEIGHT1:     Hash: 0x7d31c47ea98f8248
  21 WEIGHT1:     Counters: 60
  22 WEIGHT1:     Function count: 2
  23 WEIGHT1: Functions shown: 4
  24 WEIGHT1: Total functions: 4
  25 WEIGHT1: Maximum function count: 866988873
  26 WEIGHT1: Maximum internal block count: 267914296
  27
  28 2- Merge the foo and bar profiles with weight 3x and 5x respectively and verify the combined output
  29 RUN: llvm-profdata merge --instr %p/Inputs/weight-instr-bar.profdata:3 %p/Inputs/weight-instr-foo.profdata:5 -o %t
  30 RUN: llvm-profdata show --instr -all-functions %t | FileCheck %s --check-prefix=WEIGHT2
  31 WEIGHT2: Counters:
  32 WEIGHT2:   usage:
  33 WEIGHT2:     Hash: 0x0000000000000000
  34 WEIGHT2:     Counters: 1
  35 WEIGHT2:     Function count: 0
  36 WEIGHT2:   foo:
  37 WEIGHT2:     Hash: 0x000000000000028a
  38 WEIGHT2:     Counters: 3
  39 WEIGHT2:     Function count: 4334944365
  40 WEIGHT2:   bar:
  41 WEIGHT2:     Hash: 0x000000000000028a
  42 WEIGHT2:     Counters: 3
  43 WEIGHT2:     Function count: 2600966619
  44 WEIGHT2:   main:
  45 WEIGHT2:     Hash: 0x7d31c47ea98f8248
  46 WEIGHT2:     Counters: 60
  47 WEIGHT2:     Function count: 8
  48 WEIGHT2: Functions shown: 4
  49 WEIGHT2: Total functions: 4
  50 WEIGHT2: Maximum function count: 4334944365
  51 WEIGHT2: Maximum internal block count: 1339571480
  52
  53 3- Bad merge: foo and bar profiles with invalid weights
  54 RUN: not llvm-profdata merge --instr %p/Inputs/weight-instr-bar.profdata:3 %p/Inputs/weight-instr-foo.profdata:-5 -o %t.out 2>&1 | FileCheck %s --check-prefix=ERROR3
  55 ERROR3: error: Input weight must be a positive integer.