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Instead of adding an isSS field to LiveInterval to denote stack slot. Use top bit of 'reg' instead. If the top bit is set, than the LiveInterval represents a stack slot live interval.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52639 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
2008-06-23 21:03:19 +00:00
parent 300c6c5167
commit 99ec779a93
3 changed files with 12 additions and 9 deletions
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4
lib/CodeGen/LiveInterval.cpp
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@ -678,8 +678,8 @@ void LiveRange::dump() const {
void LiveInterval::print(std::ostream &OS,
const TargetRegisterInfo *TRI) const {
if (isSS)
OS << "SS#" << reg;
if (isStackSlot())
OS << "SS#" << getStackSlotIndex();
else if (TRI && TargetRegisterInfo::isPhysicalRegister(reg))
OS << TRI->getName(reg);
else