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| author | Douglas Gregor <dgregor@apple.com> | 2009-04-25 23:30:02 +0000 |
|---|---|---|
| committer | Douglas Gregor <dgregor@apple.com> | 2009-04-25 23:30:02 +0000 |
| commit | 8c5a760b82e73ed90b560090772db97e2ae27b09 (patch) | |
| tree | ef93a4503bf57c6f71ad8a6b8fe55a9532afefd8 /lib/Frontend/PCHWriter.cpp | |
| parent | 71238f67c5df13eef19450d66b7a7ab28377192a (diff) | |
Lazily load the controlling macros for all of the headers known in the
PCH file. In the Cocoa-prefixed "Hello, World" benchmark, this takes
us from reading 503 identifiers down to 37 and from 470 macros down to
4. It also results in an 8% performance improvement.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70094 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Frontend/PCHWriter.cpp')
0 files changed, 0 insertions, 0 deletions