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precompute 20 tags

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108695 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Gabor Greif 2010-07-19 14:48:15 +00:00
parent e117b63973
commit b68f7aea33
1 changed files with 9 additions and 3 deletions
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12
lib/VMCore/Use.cpp
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@ -86,11 +86,17 @@ const Use *Use::getImpliedUser() const {
//===----------------------------------------------------------------------===//
Use *Use::initTags(Use * const Start, Use *Stop, ptrdiff_t Done) {
while (Done < 6) {
while (Done < 20) {
if (Start == Stop--)
return Start;
static const PrevPtrTag tags[6] = { fullStopTag, oneDigitTag, stopTag,
oneDigitTag, oneDigitTag, stopTag };
static const PrevPtrTag tags[20] = { fullStopTag, oneDigitTag, stopTag,
oneDigitTag, oneDigitTag, stopTag,
zeroDigitTag, oneDigitTag, oneDigitTag,
stopTag, zeroDigitTag, oneDigitTag,
zeroDigitTag, oneDigitTag, stopTag,
oneDigitTag, oneDigitTag, oneDigitTag,
oneDigitTag, stopTag
};
Stop->Prev.setFromOpaqueValue(reinterpret_cast<Use**>(tags[Done++]));
Stop->Val = 0;
}