#include "NVPTX.h"
#include "NVPTXInstrInfo.h"
#include "NVPTXTargetMachine.h"
-#define GET_INSTRINFO_CTOR
-#include "NVPTXGenInstrInfo.inc"
#include "llvm/IR/Function.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
-#include <cstdio>
using namespace llvm;
+#define GET_INSTRINFO_CTOR_DTOR
+#include "NVPTXGenInstrInfo.inc"
+
+// Pin the vtable to this file.
+void NVPTXInstrInfo::anchor() {}
+
// FIXME: Add the subtarget support on this constructor.
-NVPTXInstrInfo::NVPTXInstrInfo(NVPTXTargetMachine &tm)
- : NVPTXGenInstrInfo(), TM(tm), RegInfo(*this, *TM.getSubtargetImpl()) {}
+NVPTXInstrInfo::NVPTXInstrInfo(NVPTXSubtarget &STI)
+ : NVPTXGenInstrInfo(), RegInfo(STI) {}
void NVPTXInstrInfo::copyPhysReg(
MachineBasicBlock &MBB, MachineBasicBlock::iterator I, DebugLoc DL,
unsigned DestReg, unsigned SrcReg, bool KillSrc) const {
- if (NVPTX::Int32RegsRegClass.contains(DestReg) &&
- NVPTX::Int32RegsRegClass.contains(SrcReg))
+ const MachineRegisterInfo &MRI = MBB.getParent()->getRegInfo();
+ const TargetRegisterClass *DestRC = MRI.getRegClass(DestReg);
+ const TargetRegisterClass *SrcRC = MRI.getRegClass(SrcReg);
+
+ if (DestRC != SrcRC)
+ report_fatal_error("Attempted to created cross-class register copy");
+
+ if (DestRC == &NVPTX::Int32RegsRegClass)
BuildMI(MBB, I, DL, get(NVPTX::IMOV32rr), DestReg)
- .addReg(SrcReg, getKillRegState(KillSrc));
- else if (NVPTX::Int8RegsRegClass.contains(DestReg) &&
- NVPTX::Int8RegsRegClass.contains(SrcReg))
- BuildMI(MBB, I, DL, get(NVPTX::IMOV8rr), DestReg)
- .addReg(SrcReg, getKillRegState(KillSrc));
- else if (NVPTX::Int1RegsRegClass.contains(DestReg) &&
- NVPTX::Int1RegsRegClass.contains(SrcReg))
+ .addReg(SrcReg, getKillRegState(KillSrc));
+ else if (DestRC == &NVPTX::Int1RegsRegClass)
BuildMI(MBB, I, DL, get(NVPTX::IMOV1rr), DestReg)
- .addReg(SrcReg, getKillRegState(KillSrc));
- else if (NVPTX::Float32RegsRegClass.contains(DestReg) &&
- NVPTX::Float32RegsRegClass.contains(SrcReg))
+ .addReg(SrcReg, getKillRegState(KillSrc));
+ else if (DestRC == &NVPTX::Float32RegsRegClass)
BuildMI(MBB, I, DL, get(NVPTX::FMOV32rr), DestReg)
- .addReg(SrcReg, getKillRegState(KillSrc));
- else if (NVPTX::Int16RegsRegClass.contains(DestReg) &&
- NVPTX::Int16RegsRegClass.contains(SrcReg))
+ .addReg(SrcReg, getKillRegState(KillSrc));
+ else if (DestRC == &NVPTX::Int16RegsRegClass)
BuildMI(MBB, I, DL, get(NVPTX::IMOV16rr), DestReg)
- .addReg(SrcReg, getKillRegState(KillSrc));
- else if (NVPTX::Int64RegsRegClass.contains(DestReg) &&
- NVPTX::Int64RegsRegClass.contains(SrcReg))
+ .addReg(SrcReg, getKillRegState(KillSrc));
+ else if (DestRC == &NVPTX::Int64RegsRegClass)
BuildMI(MBB, I, DL, get(NVPTX::IMOV64rr), DestReg)
- .addReg(SrcReg, getKillRegState(KillSrc));
- else if (NVPTX::Float64RegsRegClass.contains(DestReg) &&
- NVPTX::Float64RegsRegClass.contains(SrcReg))
+ .addReg(SrcReg, getKillRegState(KillSrc));
+ else if (DestRC == &NVPTX::Float64RegsRegClass)
BuildMI(MBB, I, DL, get(NVPTX::FMOV64rr), DestReg)
- .addReg(SrcReg, getKillRegState(KillSrc));
+ .addReg(SrcReg, getKillRegState(KillSrc));
else {
- llvm_unreachable("Don't know how to copy a register");
+ llvm_unreachable("Bad register copy");
}
}
"NVPTX branch conditions have two components!");
// One-way branch.
- if (FBB == 0) {
+ if (!FBB) {
if (Cond.empty()) // Unconditional branch
BuildMI(&MBB, DL, get(NVPTX::GOTO)).addMBB(TBB);
else // Conditional branch