| Nathan Slingerland | 7f5b47d | 2015-12-15 17:37:09 +0000 | [diff] [blame^] | 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 -weighted-input=1,%p/Inputs/weight-instr-bar.profdata -weighted-input=1,%p/Inputs/weight-instr-foo.profdata -o %t |
| 5 | RUN: llvm-profdata show -instr -all-functions %t | FileCheck %s -check-prefix=1X_1X_WEIGHT |
| 6 | RUN: llvm-profdata merge -instr -weighted-input=1,%p/Inputs/weight-instr-bar.profdata %p/Inputs/weight-instr-foo.profdata -o %t |
| 7 | RUN: llvm-profdata show -instr -all-functions %t | FileCheck %s -check-prefix=1X_1X_WEIGHT |
| 8 | 1X_1X_WEIGHT: Counters: |
| 9 | 1X_1X_WEIGHT-NEXT: usage: |
| 10 | 1X_1X_WEIGHT-NEXT: Hash: 0x0000000000000000 |
| 11 | 1X_1X_WEIGHT-NEXT: Counters: 1 |
| 12 | 1X_1X_WEIGHT-NEXT: Function count: 0 |
| 13 | 1X_1X_WEIGHT-NEXT: foo: |
| 14 | 1X_1X_WEIGHT-NEXT: Hash: 0x000000000000028a |
| 15 | 1X_1X_WEIGHT-NEXT: Counters: 3 |
| 16 | 1X_1X_WEIGHT-NEXT: Function count: 866988873 |
| 17 | 1X_1X_WEIGHT-NEXT: bar: |
| 18 | 1X_1X_WEIGHT-NEXT: Hash: 0x000000000000028a |
| 19 | 1X_1X_WEIGHT-NEXT: Counters: 3 |
| 20 | 1X_1X_WEIGHT-NEXT: Function count: 866988873 |
| 21 | 1X_1X_WEIGHT-NEXT: main: |
| 22 | 1X_1X_WEIGHT-NEXT: Hash: 0x7d31c47ea98f8248 |
| 23 | 1X_1X_WEIGHT-NEXT: Counters: 60 |
| 24 | 1X_1X_WEIGHT-NEXT: Function count: 2 |
| 25 | 1X_1X_WEIGHT-NEXT: Functions shown: 4 |
| 26 | 1X_1X_WEIGHT-NEXT: Total functions: 4 |
| 27 | 1X_1X_WEIGHT-NEXT: Maximum function count: 866988873 |
| 28 | 1X_1X_WEIGHT-NEXT: Maximum internal block count: 267914296 |
| 29 | |
| 30 | 2- Merge the foo and bar profiles with weight 3x and 5x respectively and verify the combined output |
| 31 | RUN: llvm-profdata merge -instr -weighted-input=3,%p/Inputs/weight-instr-bar.profdata -weighted-input=5,%p/Inputs/weight-instr-foo.profdata -o %t |
| 32 | RUN: llvm-profdata show -instr -all-functions %t | FileCheck %s -check-prefix=3X_5X_WEIGHT |
| 33 | 3X_5X_WEIGHT: Counters: |
| 34 | 3X_5X_WEIGHT-NEXT: usage: |
| 35 | 3X_5X_WEIGHT-NEXT: Hash: 0x0000000000000000 |
| 36 | 3X_5X_WEIGHT-NEXT: Counters: 1 |
| 37 | 3X_5X_WEIGHT-NEXT: Function count: 0 |
| 38 | 3X_5X_WEIGHT-NEXT: foo: |
| 39 | 3X_5X_WEIGHT-NEXT: Hash: 0x000000000000028a |
| 40 | 3X_5X_WEIGHT-NEXT: Counters: 3 |
| 41 | 3X_5X_WEIGHT-NEXT: Function count: 4334944365 |
| 42 | 3X_5X_WEIGHT-NEXT: bar: |
| 43 | 3X_5X_WEIGHT-NEXT: Hash: 0x000000000000028a |
| 44 | 3X_5X_WEIGHT-NEXT: Counters: 3 |
| 45 | 3X_5X_WEIGHT-NEXT: Function count: 2600966619 |
| 46 | 3X_5X_WEIGHT-NEXT: main: |
| 47 | 3X_5X_WEIGHT-NEXT: Hash: 0x7d31c47ea98f8248 |
| 48 | 3X_5X_WEIGHT-NEXT: Counters: 60 |
| 49 | 3X_5X_WEIGHT-NEXT: Function count: 8 |
| 50 | 3X_5X_WEIGHT-NEXT: Functions shown: 4 |
| 51 | 3X_5X_WEIGHT-NEXT: Total functions: 4 |
| 52 | 3X_5X_WEIGHT-NEXT: Maximum function count: 4334944365 |
| 53 | 3X_5X_WEIGHT-NEXT: Maximum internal block count: 1339571480 |
| 54 | |
| 55 | 3- Bad merge: invalid weight |
| 56 | RUN: not llvm-profdata merge -instr -weighted-input=3,%p/Inputs/weight-instr-bar.profdata -weighted-input=0,%p/Inputs/weight-instr-foo.profdata -o %t.out 2>&1 | FileCheck %s -check-prefix=INVALID_WEIGHT |
| 57 | RUN: not llvm-profdata merge -instr -weighted-input=3,%p/Inputs/weight-instr-bar.profdata -weighted-input=0.75,%p/Inputs/weight-instr-foo.profdata -o %t.out 2>&1 | FileCheck %s -check-prefix=INVALID_WEIGHT |
| 58 | RUN: not llvm-profdata merge -instr -weighted-input=3,%p/Inputs/weight-instr-bar.profdata -weighted-input=-5,%p/Inputs/weight-instr-foo.profdata -o %t.out 2>&1 | FileCheck %s -check-prefix=INVALID_WEIGHT |
| 59 | RUN: not llvm-profdata merge -instr -weighted-input=3,%p/Inputs/weight-instr-bar.profdata -weighted-input=,%p/Inputs/weight-instr-foo.profdata -o %t.out 2>&1 | FileCheck %s -check-prefix=INVALID_WEIGHT |
| 60 | RUN: not llvm-profdata merge -instr -weighted-input=3,%p/Inputs/weight-instr-bar.profdata -weighted-input=%p/Inputs/weight-instr-foo.profdata -o %t.out 2>&1 | FileCheck %s -check-prefix=INVALID_WEIGHT |
| 61 | INVALID_WEIGHT: error: Input weight must be a positive integer. |
| 62 | |
| 63 | 4- Bad merge: input path does not exist |
| 64 | RUN: not llvm-profdata merge -instr -weighted-input=3,%p/Inputs/does-not-exist.profdata -weighted-input=2,%p/Inputs/does-not-exist-either.profdata -o %t.out 2>&1 | FileCheck %s -check-prefix=INVALID_INPUT |
| 65 | INVALID_INPUT: {{.*}}: {{.*}}does-not-exist.profdata: {{[Nn]}}o such file or directory |
| 66 | |
| 67 | 5- No inputs |
| 68 | RUN: not llvm-profdata merge -instr -o %t.out 2>&1 | FileCheck %s -check-prefix=NO_INPUT |
| 69 | NO_INPUT: {{.*}}: No input files specified. See llvm-profdata{{(\.EXE|\.exe)?}} merge -help |