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/LiveVariables.cpp b/lib/CodeGen/LiveVariables.cpp
index 420cb44..0554bae 100644
--- a/lib/CodeGen/LiveVariables.cpp
+++ b/lib/CodeGen/LiveVariables.cpp
@@ -187,10 +187,9 @@
// physical register. This is a purely local property, because all physical
// register references as presumed dead across basic blocks.
//
- MachineInstr *PhysRegInfoA[MRegisterInfo::FirstVirtualRegister];
- bool PhysRegUsedA[MRegisterInfo::FirstVirtualRegister];
- std::fill(PhysRegInfoA, PhysRegInfoA+MRegisterInfo::FirstVirtualRegister,
- (MachineInstr*)0);
+ MachineInstr *PhysRegInfoA[RegInfo->getNumRegs()];
+ bool PhysRegUsedA[RegInfo->getNumRegs()];
+ std::fill(PhysRegInfoA, PhysRegInfoA+RegInfo->getNumRegs(), (MachineInstr*)0);
PhysRegInfo = PhysRegInfoA;
PhysRegUsed = PhysRegUsedA;