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Add a stack slot coloring pass. Not yet enabled.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51934 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
2008-06-04 09:18:41 +00:00
parent d8a46e3a74
commit 3f32d65912
10 changed files with 523 additions and 47 deletions
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20
lib/CodeGen/LiveInterval.cpp
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@ -358,6 +358,20 @@ LiveInterval::FindLiveRangeContaining(unsigned Idx) {
return end();
}
/// findDefinedVNInfo - Find the VNInfo that's defined at the specified index
/// (register interval) or defined by the specified register (stack inteval).
VNInfo *LiveInterval::findDefinedVNInfo(unsigned DefIdxOrReg) const {
VNInfo *VNI = NULL;
for (LiveInterval::const_vni_iterator i = vni_begin(), e = vni_end();
i != e; ++i)
if ((*i)->def == DefIdxOrReg) {
VNI = *i;
break;
}
return VNI;
}
/// join - Join two live intervals (this, and other) together. This applies
/// mappings to the value numbers in the LHS/RHS intervals as specified. If
/// the intervals are not joinable, this aborts.
@ -664,7 +678,9 @@ void LiveRange::dump() const {
void LiveInterval::print(std::ostream &OS,
const TargetRegisterInfo *TRI) const {
if (TRI && TargetRegisterInfo::isPhysicalRegister(reg))
if (isSS)
OS << "SS#" << reg;
else if (TRI && TargetRegisterInfo::isPhysicalRegister(reg))
OS << TRI->getName(reg);
else
OS << "%reg" << reg;
@ -672,7 +688,7 @@ void LiveInterval::print(std::ostream &OS,
OS << ',' << weight;
if (empty())
OS << "EMPTY";
OS << " EMPTY";
else {
OS << " = ";
for (LiveInterval::Ranges::const_iterator I = ranges.begin(),