#include "llvm/Target/TargetInstrInfo.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetRegisterInfo.h"
+#include "llvm/Target/TargetSubtargetInfo.h"
using namespace llvm;
// -----------------------------------------------------------------------------
GCStrategy::GCStrategy() :
+ UseStatepoints(false),
NeededSafePoints(0),
CustomReadBarriers(false),
CustomWriteBarriers(false),
UsesMetadata(false)
{}
-bool GCStrategy::initializeCustomLowering(Module &M) { return false; }
-
-bool GCStrategy::performCustomLowering(Function &F) {
- dbgs() << "gc " << getName() << " must override performCustomLowering.\n";
- llvm_unreachable("must override performCustomLowering");
-}
-
-
-bool GCStrategy::findCustomSafePoints(GCFunctionInfo& FI, MachineFunction &F) {
- dbgs() << "gc " << getName() << " must override findCustomSafePoints.\n";
- llvm_unreachable(nullptr);
-}
-
-
-GCFunctionInfo *GCStrategy::insertFunctionInfo(const Function &F) {
- Functions.push_back(make_unique<GCFunctionInfo>(F, *this));
- return Functions.back().get();
-}
-
// -----------------------------------------------------------------------------
INITIALIZE_PASS_BEGIN(LowerIntrinsics, "gc-lowering", "GC Lowering",
}
void GCMachineCodeAnalysis::FindStackOffsets(MachineFunction &MF) {
- const TargetFrameLowering *TFI = TM->getFrameLowering();
+ const TargetFrameLowering *TFI = TM->getSubtargetImpl()->getFrameLowering();
assert(TFI && "TargetRegisterInfo not available!");
for (GCFunctionInfo::roots_iterator RI = FI->roots_begin();
TM = &MF.getTarget();
MMI = &getAnalysis<MachineModuleInfo>();
- TII = TM->getInstrInfo();
+ TII = TM->getSubtargetImpl()->getInstrInfo();
// Find the size of the stack frame.
FI->setFrameSize(MF.getFrameInfo()->getStackSize());