Ted Kremenek c8b740eade Add lightweight shim "clang::StatSysCallCache" that caches 'stat' system calls ...

for use by FileManager. FileManager now takes a StatSysCallCache* in its
constructor (which defaults to NULL). This will be used for evaluating whether
or not caching 'stat' system calls in PTH is a performance win. This shim adds
no observable performance impact in the case where the 'StatSysCallCache*' is
null.

llvm-svn: 64345

2009-02-12 00:39:05 +00:00

9.5 KiB

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