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Summary: This change adds support for specifying a weight when merging profile data with the llvm-profdata tool. Weights are specified by using the --weighted-input=<weight>,<filename> option. Input files not specified with this option (normal positional list after options) are given a default weight of 1. Adding support for arbitrary weighting of input profile data allows for relative importance to be placed on the input data from multiple training runs. Both sampled and instrumented profiles are supported. Reviewers: davidxl, dnovillo, bogner, silvas Subscribers: silvas, davidxl, llvm-commits Differential Revision: http://reviews.llvm.org/D15306 llvm-svn: 255659
30 lines
1.7 KiB
Plaintext
30 lines
1.7 KiB
Plaintext
Tests for instrumentation profile bad encoding.
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1- Detect invalid count
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RUN: not llvm-profdata show %p/Inputs/invalid-count-later.proftext 2>&1 | FileCheck %s --check-prefix=INVALID-COUNT-LATER
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RUN: not llvm-profdata merge %p/Inputs/invalid-count-later.proftext %p/Inputs/invalid-count-later.proftext -o %t.out 2>&1 | FileCheck %s --check-prefix=INVALID-COUNT-LATER
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INVALID-COUNT-LATER: error: {{.*}}invalid-count-later.proftext: Malformed instrumentation profile data
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2- Detect bad hash
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RUN: not llvm-profdata show %p/Inputs/bad-hash.proftext 2>&1 | FileCheck %s --check-prefix=BAD-HASH
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RUN: not llvm-profdata merge %p/Inputs/bad-hash.proftext %p/Inputs/bad-hash.proftext -o %t.out 2>&1 | FileCheck %s --check-prefix=BAD-HASH
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BAD-HASH: error: {{.*}}bad-hash.proftext: Malformed instrumentation profile data
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3- Detect no counts
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RUN: not llvm-profdata show %p/Inputs/no-counts.proftext 2>&1 | FileCheck %s --check-prefix=NO-COUNTS
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NO-COUNTS: error: {{.*}}no-counts.proftext: Malformed instrumentation profile data
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4- Detect binary input
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RUN: not llvm-profdata show %p/Inputs/text-format-errors.text.bin 2>&1 | FileCheck %s --check-prefix=BINARY
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BINARY: error: {{.+}}: Unrecognized instrumentation profile encoding format
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BINARY: Perhaps you forgot to use the -sample option?
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5- Detect malformed value profile data
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RUN: not llvm-profdata show %p/Inputs/vp-malform.proftext 2>&1 | FileCheck %s --check-prefix=VP
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RUN: not llvm-profdata show %p/Inputs/vp-malform2.proftext 2>&1 | FileCheck %s --check-prefix=VP
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VP: Malformed instrumentation profile data
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6- Detect truncated value profile data
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RUN: not llvm-profdata show %p/Inputs/vp-truncate.proftext 2>&1 | FileCheck %s --check-prefix=VPTRUNC
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VPTRUNC: Truncated profile data
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