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Remove remnant of load folding in local register allocator. Patch by Holger Schurig.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46861 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2008-02-07 19:46:55 +00:00
parent 3069b87437
commit 27240c7d50
1 changed files with 1 additions and 7 deletions
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8
lib/CodeGen/RegAllocLocal.cpp
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@ -35,7 +35,6 @@ using namespace llvm;
STATISTIC(NumStores, "Number of stores added"); STATISTIC(NumStores, "Number of stores added");
STATISTIC(NumLoads , "Number of loads added"); STATISTIC(NumLoads , "Number of loads added");
STATISTIC(NumFolded, "Number of loads/stores folded into instructions");
namespace { namespace {
static RegisterRegAlloc static RegisterRegAlloc
@ -500,12 +499,7 @@ MachineInstr *RALocal::reloadVirtReg(MachineBasicBlock &MBB, MachineInstr *MI,
if (PhysReg) { // Register is available, allocate it! if (PhysReg) { // Register is available, allocate it!
assignVirtToPhysReg(VirtReg, PhysReg); assignVirtToPhysReg(VirtReg, PhysReg);
} else { // No registers available. } else { // No registers available.
// If we can fold this spill into this instruction, do so now. // Force some poor hapless value out of the register file to
SmallVector<unsigned, 2> Ops;
Ops.push_back(OpNum);
// It looks like we can't fold this virtual register load into this
// instruction. Force some poor hapless value out of the register file to
// make room for the new register, and reload it. // make room for the new register, and reload it.
PhysReg = getReg(MBB, MI, VirtReg); PhysReg = getReg(MBB, MI, VirtReg);
} }