Commit Graph

7 Commits

Author SHA1 Message Date
Xinliang David Li e3bf4fd394 [PGO] Value profiling text format reader/writer support
This patch adds the missing functionality in parsable
text format support for value profiling.

Differential Revision: http://reviews.llvm.org/D15212

llvm-svn: 255523
2015-12-14 18:44:01 +00:00
NAKAMURA Takumi 7706fe58d2 llvm/test/tools/llvm-profdata/text-format-errors.test: Use prepared version of the input file, instead of using echo.
...and s/\C9/\xC9/

llvm-svn: 253014
2015-11-13 06:06:58 +00:00
Nathan Slingerland 4f82366759 [llvm-profdata] Add check for text profile formats and improve error reporting (2nd try)
Summary:
This change addresses two possible instances of user error / confusion when
merging sampled profile data.

Previously any input that didn't match the raw or processed instrumented format
would automatically be interpreted as instrumented profile text format data.
No error would be reported during the merge.

Example:
If foo-sampled.profdata and bar-sampled.profdata are binary sampled profiles:

Old behavior:
$ llvm-profdata merge foo-sampled.profdata bar-sampled.profdata -output foobar-sampled.profdata
$ llvm-profdata show -sample foobar-sampled.profdata
error: foobar-sampled.profdata:1: Expected 'mangled_name:NUM:NUM', found  lprofi

This change adds basic checks for valid input data when assuming text input.
It also makes error messages related to file format validity more specific about
the assumbed profile data type.

New behavior:
$ llvm-profdata merge foo-sampled.profdata bar-sampled.profdata -o foobar-sampled.profdata
error: foo.profdata: Unrecognized instrumentation profile encoding format
Perhaps you forgot to use the -sample option?

Reviewers: bogner, davidxl, dnovillo

Subscribers: davidxl, llvm-commits

Differential Revision: http://reviews.llvm.org/D14558

llvm-svn: 253009
2015-11-13 03:47:58 +00:00
Nathan Slingerland 911ced6bf3 reverting r252916 to investigate test failure
llvm-svn: 252921
2015-11-12 18:39:26 +00:00
Nathan Slingerland f0e107e38a [llvm-profdata] Add check for text profile formats and improve error reporting
Summary:
This change addresses two possible instances of user error / confusion when
merging sampled profile data.

Previously any input that didn't match the raw or processed instrumented format
would automatically be interpreted as instrumented profile text format data.
No error would be reported during the merge.

Example:
If foo-sampled.profdata and bar-sampled.profdata are binary sampled profiles:

Old behavior:
$ llvm-profdata merge foo-sampled.profdata bar-sampled.profdata -output foobar-sampled.profdata
$ llvm-profdata show -sample foobar-sampled.profdata
error: foobar-sampled.profdata:1: Expected 'mangled_name:NUM:NUM', found  lprofi

This change adds basic checks for valid input data when assuming text input.
It also makes error messages related to file format validity more specific about
the assumbed profile data type.

New behavior:
$ llvm-profdata merge foo-sampled.profdata bar-sampled.profdata -o foobar-sampled.profdata
error: foo.profdata: Unrecognized instrumentation profile encoding format
Perhaps you forgot to use the -sample option?

Reviewers: bogner, davidxl, dnovillo

Subscribers: davidxl, llvm-commits

Differential Revision: http://reviews.llvm.org/D14558

llvm-svn: 252916
2015-11-12 18:06:18 +00:00
Justin Bogner af3001e859 llvm-profdata: Use consistent file suffixes in tests
In some places we've been using different suffixes for the different
file formats involved in instrprof, but in others we've just
ambiguously used .profdata. Update the test files to indicate the
types of file more obviously.

No functional change.

llvm-svn: 214357
2014-07-30 23:02:01 +00:00
Justin Bogner cf36a366a8 llvm-profdata: Clean up and reorganize some tests
This moves some tests around to make it clearer what's being tested,
and adds very rudimentary comment syntax to the text input format to
make specifying this kind of test a little bit simpler.

llvm-svn: 214235
2014-07-29 22:29:23 +00:00