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#
7fee2b89 |
| 24-Apr-2019 |
Francis Visoiu Mistrih <francisvm@yahoo.com> |
[Remarks] Add string deduplication using a string table
* Add support for uniquing strings in the remark streamer and emitting the string table in the remarks section.
* Add parsing support for the
[Remarks] Add string deduplication using a string table
* Add support for uniquing strings in the remark streamer and emitting the string table in the remarks section.
* Add parsing support for the string table in the RemarkParser.
From this remark:
``` --- !Missed Pass: inline Name: NoDefinition DebugLoc: { File: 'test-suite/SingleSource/UnitTests/2002-04-17-PrintfChar.c', Line: 7, Column: 3 } Function: printArgsNoRet Args: - Callee: printf - String: ' will not be inlined into ' - Caller: printArgsNoRet DebugLoc: { File: 'test-suite/SingleSource/UnitTests/2002-04-17-PrintfChar.c', Line: 6, Column: 0 } - String: ' because its definition is unavailable' ... ```
to:
``` --- !Missed Pass: 0 Name: 1 DebugLoc: { File: 3, Line: 7, Column: 3 } Function: 2 Args: - Callee: 4 - String: 5 - Caller: 2 DebugLoc: { File: 3, Line: 6, Column: 0 } - String: 6 ... ```
And the string table in the .remarks/__remarks section containing:
``` inline\0NoDefinition\0printArgsNoRet\0 test-suite/SingleSource/UnitTests/2002-04-17-PrintfChar.c\0printf\0 will not be inlined into \0 because its definition is unavailable\0 ```
This is mostly supposed to be used for testing purposes, but it gives us a 2x reduction in the remark size, and is an incremental change for the updates to the remarks file format.
Differential Revision: https://reviews.llvm.org/D60227
llvm-svn: 359050
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