Pan, Tao 5725c8779a [CodeGen] Add text section prefix for COFF object file ... Text section prefix is created in CodeGenPrepare, it's file format independent implementation, text section name is written into object file in TargetLoweringObjectFile, it's file format dependent implementation, port code of adding text section prefix to text section name from ELF to COFF. Different with ELF that use '.' as concatenation character, COFF use '$' as concatenation character. That is, concatenation character is variable, so split concatenation character from text section prefix. Text section prefix is existing feature of ELF, it can help to reduce icache and itlb misses, it's also make possible aggregate other compilers e.g. v8 created same prefix sections. Furthermore, the recent feature Machine Function Splitter (basic block level text prefix section) is based on text section prefix. Reviewed By: pengfei, rnk Differential Revision: https://reviews.llvm.org/D92073		2020-12-08 18:56:21 +08:00
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llvm	[CodeGen] Add text section prefix for COFF object file	2020-12-08 18:56:21 +08:00
llvm-c	[llvm-c] Delete unimplemented llvm-c/LinkTimeOptimizer.h	2020-12-06 15:18:25 -08:00