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Remove RegisterClassInfo::isReserved() and isAllocatable().

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Clients can use the equivalent functions in MRI.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165990 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen
2012-10-15 22:41:03 +00:00
parent 6c0e04c823
commit 14d1dd95c7
7 changed files with 18 additions and 36 deletions
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4
lib/CodeGen/RegisterCoalescer.cpp
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@@ -895,7 +895,7 @@ bool RegisterCoalescer::canJoinPhys(CoalescerPair &CP) {
/// Always join simple intervals that are defined by a single copy from a
/// reserved register. This doesn't increase register pressure, so it is
/// always beneficial.
if (!RegClassInfo.isReserved(CP.getDstReg())) {
if (!MRI->isReserved(CP.getDstReg())) {
DEBUG(dbgs() << "\tCan only merge into reserved registers.\n");
return false;
}
@@ -1070,7 +1070,7 @@ bool RegisterCoalescer::joinCopy(MachineInstr *CopyMI, bool &Again) {
/// Attempt joining with a reserved physreg.
bool RegisterCoalescer::joinReservedPhysReg(CoalescerPair &CP) {
assert(CP.isPhys() && "Must be a physreg copy");
assert(RegClassInfo.isReserved(CP.getDstReg()) && "Not a reserved register");
assert(MRI->isReserved(CP.getDstReg()) && "Not a reserved register");
LiveInterval &RHS = LIS->getInterval(CP.getSrcReg());
DEBUG(dbgs() << "\t\tRHS = " << PrintReg(CP.getSrcReg()) << ' ' << RHS
<< '\n');