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Make dense maps keyed on physical registers smallerusing

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MRegisterInfo::getNumRegs() instead of
MRegisterInfo::FirstVirtualRegister.

Also use MRegisterInfo::is{Physical,Virtual}Register where
appropriate.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11477 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Alkis Evlogimenos
2004-02-15 21:37:17 +00:00
parent 843b160a20
commit 859a18b583
9 changed files with 11 additions and 12 deletions
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2
lib/CodeGen/RegAllocSimple.cpp
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@ -154,7 +154,7 @@ void RegAllocSimple::AllocateBasicBlock(MachineBasicBlock &MBB) {
// Made to combat the incorrect allocation of r2 = add r1, r1
std::map<unsigned, unsigned> Virt2PhysRegMap;
RegsUsed.resize(MRegisterInfo::FirstVirtualRegister);
RegsUsed.resize(RegInfo->getNumRegs());
// a preliminary pass that will invalidate any registers that
// are used by the instruction (including implicit uses)