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Francis Visoiu Mistrih 83f4e4b65a [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 00:06:24 +00:00
..
AArch64 [AArch64][GlobalISel] Select G_INTRINSIC_ROUND 2019-04-23 23:03:03 +00:00
AMDGPU [AMDGPU] Fixed addReg() in SIOptimizeExecMaskingPreRA.cpp 2019-04-23 17:59:26 +00:00
ARC
ARM
AVR
BPF
Generic
Hexagon
Inputs
Lanai
Mips
MIR
MSP430
NVPTX
PowerPC
RISCV
SPARC [SPARC] Use the correct register set for the "r" asm constraint. 2019-04-23 15:15:33 +00:00
SystemZ
Thumb
Thumb2 [ARM] Update check for CBZ in Ifcvt 2019-04-23 12:11:26 +00:00
WebAssembly [WebAssembly] Emit br_table for most switch instructions 2019-04-23 21:30:30 +00:00
WinCFGuard
WinEH
X86 [Remarks] Add string deduplication using a string table 2019-04-24 00:06:24 +00:00
XCore