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Move option to enable machine LICM into LLVMTargetMachine.cpp.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45572 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling 2008-01-04 08:11:03 +00:00
parent b082c6f5d9
commit cc8f603f53
2 changed files with 8 additions and 13 deletions
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11
lib/CodeGen/LLVMTargetMachine.cpp
View File

@ -33,7 +33,10 @@ static cl::opt<bool> PrintEmittedAsm("print-emitted-asm", cl::Hidden,
static cl::opt<bool>
EnableSinking("enable-sinking", cl::init(false), cl::Hidden,
cl::desc("Perform sinking on machine code"));
static cl::opt<bool>
PerformLICM("machine-licm",
cl::init(false), cl::Hidden,
cl::desc("Perform loop-invariant code motion on machine code"));
FileModel::Model
LLVMTargetMachine::addPassesToEmitFile(FunctionPassManager &PM,
@ -73,7 +76,8 @@ LLVMTargetMachine::addPassesToEmitFile(FunctionPassManager &PM,
if (PrintMachineCode)
PM.add(createMachineFunctionPrinterPass(cerr));
PM.add(createMachineLICMPass());
if (PerformLICM)
PM.add(createMachineLICMPass());
if (EnableSinking)
PM.add(createMachineSinkingPass());
@ -187,7 +191,8 @@ bool LLVMTargetMachine::addPassesToEmitMachineCode(FunctionPassManager &PM,
if (PrintMachineCode)
PM.add(createMachineFunctionPrinterPass(cerr));
PM.add(createMachineLICMPass());
if (PerformLICM)
PM.add(createMachineLICMPass());
// Perform register allocation to convert to a concrete x86 representation
PM.add(createRegisterAllocator());

10
lib/CodeGen/MachineLICM.cpp
View File

@ -28,14 +28,6 @@
using namespace llvm;
namespace {
// Hidden options to help debugging
cl::opt<bool>
PerformLICM("machine-licm",
cl::init(false), cl::Hidden,
cl::desc("Perform loop-invariant code motion on machine code"));
}
STATISTIC(NumHoisted, "Number of machine instructions hoisted out of loops");
namespace {
@ -167,8 +159,6 @@ FunctionPass *llvm::createMachineLICMPass() { return new MachineLICM(); }
/// loop.
///
bool MachineLICM::runOnMachineFunction(MachineFunction &MF) {
if (!PerformLICM) return false; // For debugging.
DOUT << "******** Machine LICM ********\n";
Changed = false;