//
//===----------------------------------------------------------------------===//
-#define DEBUG_TYPE "x86-codegen"
#include "X86.h"
#include "X86InstrInfo.h"
#include "llvm/ADT/DepthFirstIterator.h"
#include <algorithm>
using namespace llvm;
+#define DEBUG_TYPE "x86-codegen"
+
STATISTIC(NumFXCH, "Number of fxch instructions inserted");
STATISTIC(NumFP , "Number of floating point instructions");
memset(RegMap, 0, sizeof(RegMap));
}
- virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+ void getAnalysisUsage(AnalysisUsage &AU) const override {
AU.setPreservesCFG();
AU.addRequired<EdgeBundles>();
AU.addPreservedID(MachineLoopInfoID);
MachineFunctionPass::getAnalysisUsage(AU);
}
- virtual bool runOnMachineFunction(MachineFunction &MF);
+ bool runOnMachineFunction(MachineFunction &MF) override;
- virtual const char *getPassName() const { return "X86 FP Stackifier"; }
+ const char *getPassName() const override { return "X86 FP Stackifier"; }
private:
const TargetInstrInfo *TII; // Machine instruction info.
if (FPInstClass == X86II::NotFP)
continue; // Efficiently ignore non-fp insts!
- MachineInstr *PrevMI = 0;
+ MachineInstr *PrevMI = nullptr;
if (I != BB.begin())
- PrevMI = prior(I);
+ PrevMI = std::prev(I);
++NumFP; // Keep track of # of pseudo instrs
DEBUG(dbgs() << "\nFPInst:\t" << *MI);
} else {
MachineBasicBlock::iterator Start = I;
// Rewind to first instruction newly inserted.
- while (Start != BB.begin() && prior(Start) != PrevI) --Start;
+ while (Start != BB.begin() && std::prev(Start) != PrevI) --Start;
dbgs() << "Inserted instructions:\n\t";
Start->print(dbgs(), &MF.getTarget());
- while (++Start != llvm::next(I)) {}
+ while (++Start != std::next(I)) {}
}
dumpStack();
);
// Kill registers by popping.
if (Kills && I != MBB->begin()) {
- MachineBasicBlock::iterator I2 = llvm::prior(I);
+ MachineBasicBlock::iterator I2 = std::prev(I);
while (StackTop) {
unsigned KReg = getStackEntry(0);
if (!(Kills & (1 << KReg)))