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Trust kill flags from isel and later passes.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103748 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen 2010-05-14 00:02:23 +00:00
parent 7d4f25904d
commit 57b6076d34
1 changed files with 0 additions and 4 deletions
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4
lib/CodeGen/RegAllocFast.cpp
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@ -673,10 +673,6 @@ void RAFast::AllocateBasicBlock(MachineBasicBlock &MBB) {
for (unsigned i = 0, e = MI->getNumOperands(); i != e; ++i) {
MachineOperand &MO = MI->getOperand(i);
if (!MO.isReg()) continue;
// FIXME: For now, don't trust kill flags
if (MO.isUse()) MO.setIsKill(false);
unsigned Reg = MO.getReg();
if (!Reg || !TargetRegisterInfo::isPhysicalRegister(Reg) ||
ReservedRegs.test(Reg)) continue;