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[TableGen] Use StringRef::compare instead of != and <. NFC.
authorAhmed Bougacha <ahmed.bougacha@gmail.com>
Thu, 23 Jun 2016 17:09:49 +0000 (17:09 +0000)
committerAhmed Bougacha <ahmed.bougacha@gmail.com>
Thu, 23 Jun 2016 17:09:49 +0000 (17:09 +0000)
commitbcf03bbf99879e42d9f5ca21552f65b1b21e695c
tree465727215f3494d02d8678c2f3bec67525ee6d56tree | snapshot
parente8da13b383164c46b71860b1495a17acd18c5bc7commit | diff
[TableGen] Use StringRef::compare instead of != and <. NFC.

The previous code would always do 1 or 2 prefix compares;
explicitly only do one.

This speeds up debug -gen-asm-matcher by ~10% (e.g. X86: 40s -> 35s).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@273583 91177308-0d34-0410-b5e6-96231b3b80d8
utils/TableGen/AsmMatcherEmitter.cpp diff | blob | history
external/llvm
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