diff options
Diffstat (limited to 'contrib/llvm/lib/VMCore/Use.cpp')
| -rw-r--r-- | contrib/llvm/lib/VMCore/Use.cpp | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/contrib/llvm/lib/VMCore/Use.cpp b/contrib/llvm/lib/VMCore/Use.cpp index b7fd92f..fec710b 100644 --- a/contrib/llvm/lib/VMCore/Use.cpp +++ b/contrib/llvm/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 { |
