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The SampleProfWriter emits function information in an order determined by the string hash function. The situation is a bit brittle, because changing the hash function can break the tests. Instead of sorting the function samples to get a relaible ordering (that might be too expensive), make the tests not depend on a particular ordering of function samples. Differential Revision: https://reviews.llvm.org/D32516 llvm-svn: 301419
57 lines
3.4 KiB
Plaintext
57 lines
3.4 KiB
Plaintext
Tests for weighted merge of sample profiles.
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1- Merge the foo and bar profiles with unity weight and verify the combined output
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RUN: llvm-profdata merge -sample -text -weighted-input=1,%p/Inputs/weight-sample-bar.proftext -weighted-input=1,%p/Inputs/weight-sample-foo.proftext -o - | FileCheck %s -check-prefix=1X_1X_WEIGHT
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RUN: llvm-profdata merge -sample -text -weighted-input=1,%p/Inputs/weight-sample-bar.proftext %p/Inputs/weight-sample-foo.proftext -o - | FileCheck %s -check-prefix=1X_1X_WEIGHT
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1X_1X_WEIGHT-DAG: foo:1763288:35327
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1X_1X_WEIGHT-DAG: 7: 35327
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1X_1X_WEIGHT-DAG: 8: 35327
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1X_1X_WEIGHT-DAG: 9: 6930
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1X_1X_WEIGHT-DAG: 10: 29341
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1X_1X_WEIGHT-DAG: 11: 11906
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1X_1X_WEIGHT-DAG: 13: 18185 foo:19531
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1X_1X_WEIGHT-DAG: 15: 36458
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1X_1X_WEIGHT-DAG: bar:1772037:35370
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1X_1X_WEIGHT-DAG: 17: 35370
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1X_1X_WEIGHT-DAG: 18: 35370
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1X_1X_WEIGHT-DAG: 19: 7005
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1X_1X_WEIGHT-DAG: 20: 29407
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1X_1X_WEIGHT-DAG: 21: 12170
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1X_1X_WEIGHT-DAG: 23: 18150 bar:19829
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1X_1X_WEIGHT-DAG: 25: 36666
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2- Merge the foo and bar profiles with weight 3x and 5x respectively and verify the combined output
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RUN: llvm-profdata merge -sample -text -weighted-input=3,%p/Inputs/weight-sample-bar.proftext -weighted-input=5,%p/Inputs/weight-sample-foo.proftext -o - | FileCheck %s -check-prefix=3X_5X_WEIGHT
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3X_5X_WEIGHT-DAG: foo:8816440:176635
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3X_5X_WEIGHT-DAG: 7: 176635
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3X_5X_WEIGHT-DAG: 8: 176635
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3X_5X_WEIGHT-DAG: 9: 34650
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3X_5X_WEIGHT-DAG: 10: 146705
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3X_5X_WEIGHT-DAG: 11: 59530
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3X_5X_WEIGHT-DAG: 13: 90925 foo:97655
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3X_5X_WEIGHT-DAG: 15: 182290
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3X_5X_WEIGHT-DAG: bar:5316111:106110
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3X_5X_WEIGHT-DAG: 17: 106110
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3X_5X_WEIGHT-DAG: 18: 106110
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3X_5X_WEIGHT-DAG: 19: 21015
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3X_5X_WEIGHT-DAG: 20: 88221
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3X_5X_WEIGHT-DAG: 21: 36510
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3X_5X_WEIGHT-DAG: 23: 54450 bar:59487
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3X_5X_WEIGHT-DAG: 25: 109998
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3- Bad merge: invalid weight
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RUN: not llvm-profdata merge -sample -weighted-input=3,%p/Inputs/weight-sample-bar.proftext -weighted-input=0,%p/Inputs/weight-sample-foo.proftext -o %t.out 2>&1 | FileCheck %s -check-prefix=INVALID_WEIGHT
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RUN: not llvm-profdata merge -sample -weighted-input=3,%p/Inputs/weight-sample-bar.proftext -weighted-input=0.75,%p/Inputs/weight-sample-foo.proftext -o %t.out 2>&1 | FileCheck %s -check-prefix=INVALID_WEIGHT
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RUN: not llvm-profdata merge -sample -weighted-input=3,%p/Inputs/weight-sample-bar.proftext -weighted-input=-5,%p/Inputs/weight-sample-foo.proftext -o %t.out 2>&1 | FileCheck %s -check-prefix=INVALID_WEIGHT
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RUN: not llvm-profdata merge -sample -weighted-input=3,%p/Inputs/weight-sample-bar.proftext -weighted-input=,%p/Inputs/weight-sample-foo.proftext -o %t.out 2>&1 | FileCheck %s -check-prefix=INVALID_WEIGHT
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RUN: not llvm-profdata merge -sample -weighted-input=3,%p/Inputs/weight-sample-bar.proftext -weighted-input=%p/Inputs/weight-sample-foo.proftext -o %t.out 2>&1 | FileCheck %s -check-prefix=INVALID_WEIGHT
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INVALID_WEIGHT: error: Input weight must be a positive integer.
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4- Bad merge: input path does not exist
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RUN: not llvm-profdata merge -sample -weighted-input=3,%p/Inputs/does-not-exist.proftext -weighted-input=2,%p/Inputs/does-not-exist-either.proftext -o %t.out 2>&1 | FileCheck %s -check-prefix=INVALID_INPUT
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INVALID_INPUT: {{.*}}: {{.*}}does-not-exist.proftext: {{[Nn]}}o such file or directory
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5- No inputs
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RUN: not llvm-profdata merge -sample -o %t.out 2>&1 | FileCheck %s -check-prefix=NO_INPUT
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NO_INPUT: {{.*}}: No input files specified. See llvm-profdata{{(\.EXE|\.exe)?}} merge -help
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