2013-01-02 17:10:48 +08:00
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;===- ./lib/IR/LLVMBuild.txt -----------------------------------*- Conf -*--===;
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2011-11-04 02:53:17 +08:00
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;
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2019-01-19 16:50:56 +08:00
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; Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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; See https://llvm.org/LICENSE.txt for license information.
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; SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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2011-11-04 02:53:17 +08:00
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;
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;===------------------------------------------------------------------------===;
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;
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; This is an LLVMBuild description file for the components in this subdirectory.
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;
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; For more information on the LLVMBuild system, please see:
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;
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; http://llvm.org/docs/LLVMBuild.html
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;
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;===------------------------------------------------------------------------===;
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[component_0]
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type = Library
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name = Core
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parent = Libraries
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[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
2019-04-24 08:06:24 +08:00
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required_libraries = BinaryFormat Remarks Support
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