diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2010-09-17 15:48:55 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2010-09-17 15:48:55 +0000 |
| commit | d39c594d39df7f283c2fb8a704a3f31c501180d9 (patch) | |
| tree | 36453626c792cccd91f783a38a169d610a6b9db9 /lib/VMCore/Use.cpp | |
| parent | 6144c1de6a7674dad94290650e4e14f24d42e421 (diff) | |
Diffstat (limited to 'lib/VMCore/Use.cpp')
| -rw-r--r-- | lib/VMCore/Use.cpp | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/lib/VMCore/Use.cpp b/lib/VMCore/Use.cpp index b7fd92f9b0660..fec710b39459b 100644 --- a/lib/VMCore/Use.cpp +++ b/lib/VMCore/Use.cpp @@ -86,14 +86,27 @@ const Use *Use::getImpliedUser() const { //===----------------------------------------------------------------------===// Use *Use::initTags(Use * const Start, Use *Stop, ptrdiff_t Done) { + while (Done < 20) { + if (Start == Stop--) + return Start; + 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; + } + ptrdiff_t Count = Done; while (Start != Stop) { --Stop; Stop->Val = 0; if (!Count) { - Stop->Prev.setFromOpaqueValue(reinterpret_cast<Use**>(Done == 0 - ? fullStopTag - : stopTag)); + Stop->Prev.setFromOpaqueValue(reinterpret_cast<Use**>(stopTag)); ++Done; Count = Done; } else { |