Make dense maps keyed on physical registers smallerusing
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
diff --git a/lib/CodeGen/RegAllocSimple.cpp b/lib/CodeGen/RegAllocSimple.cpp
index e313004..a81edda 100644
--- a/lib/CodeGen/RegAllocSimple.cpp
+++ b/lib/CodeGen/RegAllocSimple.cpp
@@ -154,7 +154,7 @@
// 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)