mirror of
https://github.com/c64scene-ar/llvm-6502.git
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21fdcb0271
specific code paths.
This allows us to write code like:
if (__nvvm_reflect("FOO"))
// Do something
else
// Do something else
and compile into a library, then give "FOO" a value at kernel
compile-time so the check becomes a no-op.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178416 91177308-0d34-0410-b5e6-96231b3b80d8
122 lines
4.1 KiB
C++
122 lines
4.1 KiB
C++
//===-- NVPTXTargetMachine.cpp - Define TargetMachine for NVPTX -----------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// Top-level implementation for the NVPTX target.
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//
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//===----------------------------------------------------------------------===//
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#include "NVPTXTargetMachine.h"
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#include "MCTargetDesc/NVPTXMCAsmInfo.h"
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#include "NVPTX.h"
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#include "NVPTXAllocaHoisting.h"
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#include "NVPTXLowerAggrCopies.h"
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#include "NVPTXSplitBBatBar.h"
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#include "llvm/ADT/OwningPtr.h"
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#include "llvm/Analysis/Passes.h"
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#include "llvm/Analysis/Verifier.h"
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#include "llvm/Assembly/PrintModulePass.h"
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#include "llvm/CodeGen/AsmPrinter.h"
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#include "llvm/CodeGen/MachineFunctionAnalysis.h"
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#include "llvm/CodeGen/MachineModuleInfo.h"
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#include "llvm/CodeGen/Passes.h"
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#include "llvm/IR/DataLayout.h"
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#include "llvm/MC/MCAsmInfo.h"
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#include "llvm/MC/MCInstrInfo.h"
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#include "llvm/MC/MCStreamer.h"
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#include "llvm/MC/MCSubtargetInfo.h"
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#include "llvm/PassManager.h"
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#include "llvm/Support/CommandLine.h"
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#include "llvm/Support/Debug.h"
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#include "llvm/Support/FormattedStream.h"
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#include "llvm/Support/TargetRegistry.h"
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#include "llvm/Support/raw_ostream.h"
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#include "llvm/Target/TargetInstrInfo.h"
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#include "llvm/Target/TargetLowering.h"
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#include "llvm/Target/TargetLoweringObjectFile.h"
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#include "llvm/Target/TargetMachine.h"
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#include "llvm/Target/TargetOptions.h"
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#include "llvm/Target/TargetRegisterInfo.h"
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#include "llvm/Target/TargetSubtargetInfo.h"
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#include "llvm/Transforms/Scalar.h"
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using namespace llvm;
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namespace llvm {
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void initializeNVVMReflectPass(PassRegistry&);
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}
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extern "C" void LLVMInitializeNVPTXTarget() {
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// Register the target.
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RegisterTargetMachine<NVPTXTargetMachine32> X(TheNVPTXTarget32);
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RegisterTargetMachine<NVPTXTargetMachine64> Y(TheNVPTXTarget64);
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RegisterMCAsmInfo<NVPTXMCAsmInfo> A(TheNVPTXTarget32);
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RegisterMCAsmInfo<NVPTXMCAsmInfo> B(TheNVPTXTarget64);
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// FIXME: This pass is really intended to be invoked during IR optimization,
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// but it's very NVPTX-specific.
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initializeNVVMReflectPass(*PassRegistry::getPassRegistry());
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}
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NVPTXTargetMachine::NVPTXTargetMachine(
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const Target &T, StringRef TT, StringRef CPU, StringRef FS,
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const TargetOptions &Options, Reloc::Model RM, CodeModel::Model CM,
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CodeGenOpt::Level OL, bool is64bit)
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: LLVMTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL),
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Subtarget(TT, CPU, FS, is64bit), DL(Subtarget.getDataLayout()),
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InstrInfo(*this), TLInfo(*this), TSInfo(*this),
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FrameLowering(
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*this, is64bit) /*FrameInfo(TargetFrameInfo::StackGrowsUp, 8, 0)*/ {}
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void NVPTXTargetMachine32::anchor() {}
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NVPTXTargetMachine32::NVPTXTargetMachine32(
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const Target &T, StringRef TT, StringRef CPU, StringRef FS,
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const TargetOptions &Options, Reloc::Model RM, CodeModel::Model CM,
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CodeGenOpt::Level OL)
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: NVPTXTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL, false) {}
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void NVPTXTargetMachine64::anchor() {}
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NVPTXTargetMachine64::NVPTXTargetMachine64(
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const Target &T, StringRef TT, StringRef CPU, StringRef FS,
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const TargetOptions &Options, Reloc::Model RM, CodeModel::Model CM,
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CodeGenOpt::Level OL)
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: NVPTXTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL, true) {}
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namespace llvm {
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class NVPTXPassConfig : public TargetPassConfig {
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public:
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NVPTXPassConfig(NVPTXTargetMachine *TM, PassManagerBase &PM)
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: TargetPassConfig(TM, PM) {}
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NVPTXTargetMachine &getNVPTXTargetMachine() const {
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return getTM<NVPTXTargetMachine>();
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}
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virtual bool addInstSelector();
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virtual bool addPreRegAlloc();
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};
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}
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TargetPassConfig *NVPTXTargetMachine::createPassConfig(PassManagerBase &PM) {
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NVPTXPassConfig *PassConfig = new NVPTXPassConfig(this, PM);
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return PassConfig;
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}
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bool NVPTXPassConfig::addInstSelector() {
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addPass(createLowerAggrCopies());
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addPass(createSplitBBatBarPass());
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addPass(createAllocaHoisting());
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addPass(createNVPTXISelDag(getNVPTXTargetMachine(), getOptLevel()));
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return false;
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}
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bool NVPTXPassConfig::addPreRegAlloc() { return false; }
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