6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-07-26 05:25:47 +00:00
Code Issues Projects Releases Wiki Activity

Revert r103133 and add testcase from PR7066.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103233 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nick Lewycky
2010-05-07 01:45:38 +00:00
parent 0d881042c0
commit 403d312c0f
3 changed files with 14 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
lib/CodeGen/RegAllocLocal.cpp
View File

@@ -843,18 +843,8 @@ void RALocal::AllocateBasicBlock(MachineBasicBlock &MBB) {
SmallVector<unsigned, 8> Kills;
for (unsigned i = 0, e = MI->getNumOperands(); i != e; ++i) {
MachineOperand &MO = MI->getOperand(i);
if (!MO.isReg()) continue;
unsigned Reg = MO.getReg();
if (!Reg) continue;
// Avoid allocating assigned early clobbers below.
if (MO.isEarlyClobber() && TargetRegisterInfo::isPhysicalRegister(Reg)) {
spillPhysReg(MBB, MI, Reg, true); // Spill any existing value in reg
PhysRegsUsed[Reg] = 0; // It is free and reserved now
AddToPhysRegsUseOrder(Reg);
}
if (!MO.isKill()) continue;
if (!MO.isReg() || !MO.isKill()) continue;
if (!MO.isImplicit())
Kills.push_back(MO.getReg());
else if (!isReadModWriteImplicitKill(MI, MO.getReg()))