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RegisterCoalescer: implicit phsreg uses are fine when rematerializing

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The target hooks should have already checked them. This change is
necessary to enable the remateriailzation on R600.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@235673 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Matthias Braun
2015-04-24 00:01:37 +00:00
parent b638e142b4
commit 37f93d4cbf
1 changed files with 2 additions and 2 deletions
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4
lib/CodeGen/RegisterCoalescer.cpp
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@@ -963,8 +963,8 @@ bool RegisterCoalescer::reMaterializeTrivialDef(const CoalescerPair &CP,
for (unsigned i = NewMI->getDesc().getNumOperands(), for (unsigned i = NewMI->getDesc().getNumOperands(),
e = NewMI->getNumOperands(); i != e; ++i) { e = NewMI->getNumOperands(); i != e; ++i) {
MachineOperand &MO = NewMI->getOperand(i); MachineOperand &MO = NewMI->getOperand(i);
if (MO.isReg()) { if (MO.isReg() && MO.isDef()) {
assert(MO.isDef() && MO.isImplicit() && MO.isDead() && assert(MO.isImplicit() && MO.isDead() &&
TargetRegisterInfo::isPhysicalRegister(MO.getReg())); TargetRegisterInfo::isPhysicalRegister(MO.getReg()));
NewMIImplDefs.push_back(MO.getReg()); NewMIImplDefs.push_back(MO.getReg());
} }