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Diffstat (limited to 'lib/CodeGen/SimpleRegisterCoalescing.cpp')
-rw-r--r--lib/CodeGen/SimpleRegisterCoalescing.cpp5
1 files changed, 1 insertions, 4 deletions
diff --git a/lib/CodeGen/SimpleRegisterCoalescing.cpp b/lib/CodeGen/SimpleRegisterCoalescing.cpp
index fd6ffcecd1..1dcc674eed 100644
--- a/lib/CodeGen/SimpleRegisterCoalescing.cpp
+++ b/lib/CodeGen/SimpleRegisterCoalescing.cpp
@@ -1044,7 +1044,7 @@ bool SimpleRegisterCoalescing::JoinCopy(CopyRec &TheCopy, bool &Again) {
if (CP.isPhys()) {
DEBUG(dbgs() <<" with physreg %" << tri_->getName(CP.getDstReg()) << "\n");
// Only coalesce to allocatable physreg.
- if (!allocatableRegs_[CP.getDstReg()]) {
+ if (!li_->isAllocatable(CP.getDstReg())) {
DEBUG(dbgs() << "\tRegister is an unallocatable physreg.\n");
return false; // Not coalescable.
}
@@ -1093,7 +1093,6 @@ bool SimpleRegisterCoalescing::JoinCopy(CopyRec &TheCopy, bool &Again) {
// happens.
if (li_->hasInterval(CP.getDstReg()) &&
li_->getInterval(CP.getDstReg()).ranges.size() > 1000) {
- mri_->setRegAllocationHint(CP.getSrcReg(), 0, CP.getDstReg());
++numAborts;
DEBUG(dbgs()
<< "\tPhysical register live interval too complicated, abort!\n");
@@ -1112,7 +1111,6 @@ bool SimpleRegisterCoalescing::JoinCopy(CopyRec &TheCopy, bool &Again) {
ReMaterializeTrivialDef(JoinVInt, CP.getDstReg(), 0, CopyMI))
return true;
- mri_->setRegAllocationHint(CP.getSrcReg(), 0, CP.getDstReg());
++numAborts;
DEBUG(dbgs() << "\tMay tie down a physical register, abort!\n");
Again = true; // May be possible to coalesce later.
@@ -1693,7 +1691,6 @@ bool SimpleRegisterCoalescing::runOnMachineFunction(MachineFunction &fn) {
<< "********** Function: "
<< ((Value*)mf_->getFunction())->getName() << '\n');
- allocatableRegs_ = tri_->getAllocatableSet(fn);
for (TargetRegisterInfo::regclass_iterator I = tri_->regclass_begin(),
E = tri_->regclass_end(); I != E; ++I)
allocatableRCRegs_.insert(std::make_pair(*I,