diff options
Diffstat (limited to 'lib/Target/Sparc/SparcTargetMachine.cpp')
-rw-r--r-- | lib/Target/Sparc/SparcTargetMachine.cpp | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/lib/Target/Sparc/SparcTargetMachine.cpp b/lib/Target/Sparc/SparcTargetMachine.cpp new file mode 100644 index 0000000000..d2587be48f --- /dev/null +++ b/lib/Target/Sparc/SparcTargetMachine.cpp @@ -0,0 +1,168 @@ +//===-- SparcV8TargetMachine.cpp - Define TargetMachine for SparcV8 -------===// +// +// The LLVM Compiler Infrastructure +// +// This file was developed by the LLVM research group and is distributed under +// the University of Illinois Open Source License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// +//===----------------------------------------------------------------------===// + +#include "SparcV8TargetMachine.h" +#include "SparcV8.h" +#include "llvm/Assembly/PrintModulePass.h" +#include "llvm/Module.h" +#include "llvm/PassManager.h" +#include "llvm/CodeGen/MachineFunction.h" +#include "llvm/CodeGen/Passes.h" +#include "llvm/Target/TargetOptions.h" +#include "llvm/Target/TargetMachineRegistry.h" +#include "llvm/Transforms/Scalar.h" +#include <iostream> +using namespace llvm; + +namespace { + // Register the target. + RegisterTarget<SparcV8TargetMachine> X("sparcv8"," SPARC V8 (experimental)"); +} + +/// SparcV8TargetMachine ctor - Create an ILP32 architecture model +/// +SparcV8TargetMachine::SparcV8TargetMachine(const Module &M, + IntrinsicLowering *IL, + const std::string &FS) + : TargetMachine("SparcV8", IL, false, 4, 4), + FrameInfo(TargetFrameInfo::StackGrowsDown, 8, 0), JITInfo(*this) { +} + +unsigned SparcV8TargetMachine::getJITMatchQuality() { + return 0; // No JIT yet. +} + +unsigned SparcV8TargetMachine::getModuleMatchQuality(const Module &M) { + std::string TT = M.getTargetTriple(); + if (TT.size() >= 6 && std::string(TT.begin(), TT.begin()+6) == "sparc-") + return 20; + + if (M.getEndianness() == Module::BigEndian && + M.getPointerSize() == Module::Pointer32) +#ifdef __sparc__ + return 20; // BE/32 ==> Prefer sparcv8 on sparc +#else + return 5; // BE/32 ==> Prefer ppc elsewhere +#endif + else if (M.getEndianness() != Module::AnyEndianness || + M.getPointerSize() != Module::AnyPointerSize) + return 0; // Match for some other target + + return getJITMatchQuality()/2; +} + +/// addPassesToEmitFile - Add passes to the specified pass manager +/// to implement a static compiler for this target. +/// +bool SparcV8TargetMachine::addPassesToEmitFile(PassManager &PM, + std::ostream &Out, + CodeGenFileType FileType) { + if (FileType != TargetMachine::AssemblyFile) return true; + + // FIXME: Implement efficient support for garbage collection intrinsics. + PM.add(createLowerGCPass()); + + // Replace malloc and free instructions with library calls. + PM.add(createLowerAllocationsPass()); + + // FIXME: implement the switch instruction in the instruction selector. + PM.add(createLowerSwitchPass()); + + // FIXME: implement the invoke/unwind instructions! + PM.add(createLowerInvokePass()); + + // Make sure that no unreachable blocks are instruction selected. + PM.add(createUnreachableBlockEliminationPass()); + + // FIXME: implement the select instruction in the instruction selector. + PM.add(createLowerSelectPass()); + + // Print LLVM code input to instruction selector: + if (PrintMachineCode) + PM.add(new PrintFunctionPass()); + + PM.add(createSparcV8SimpleInstructionSelector(*this)); + + // Print machine instructions as they were initially generated. + if (PrintMachineCode) + PM.add(createMachineFunctionPrinterPass(&std::cerr)); + + PM.add(createRegisterAllocator()); + PM.add(createPrologEpilogCodeInserter()); + + // Print machine instructions after register allocation and prolog/epilog + // insertion. + if (PrintMachineCode) + PM.add(createMachineFunctionPrinterPass(&std::cerr)); + + PM.add(createSparcV8FPMoverPass(*this)); + PM.add(createSparcV8DelaySlotFillerPass(*this)); + + // Print machine instructions after filling delay slots. + if (PrintMachineCode) + PM.add(createMachineFunctionPrinterPass(&std::cerr)); + + // Output assembly language. + PM.add(createSparcV8CodePrinterPass(Out, *this)); + + // Delete the MachineInstrs we generated, since they're no longer needed. + PM.add(createMachineCodeDeleter()); + return false; +} + +/// addPassesToJITCompile - Add passes to the specified pass manager to +/// implement a fast dynamic compiler for this target. +/// +void SparcV8JITInfo::addPassesToJITCompile(FunctionPassManager &PM) { + // FIXME: Implement efficient support for garbage collection intrinsics. + PM.add(createLowerGCPass()); + + // Replace malloc and free instructions with library calls. + PM.add(createLowerAllocationsPass()); + + // FIXME: implement the switch instruction in the instruction selector. + PM.add(createLowerSwitchPass()); + + // FIXME: implement the invoke/unwind instructions! + PM.add(createLowerInvokePass()); + + // Make sure that no unreachable blocks are instruction selected. + PM.add(createUnreachableBlockEliminationPass()); + + // FIXME: implement the select instruction in the instruction selector. + PM.add(createLowerSelectPass()); + + // Print LLVM code input to instruction selector: + if (PrintMachineCode) + PM.add(new PrintFunctionPass()); + + PM.add(createSparcV8SimpleInstructionSelector(TM)); + + // Print machine instructions as they were initially generated. + if (PrintMachineCode) + PM.add(createMachineFunctionPrinterPass(&std::cerr)); + + PM.add(createRegisterAllocator()); + PM.add(createPrologEpilogCodeInserter()); + + // Print machine instructions after register allocation and prolog/epilog + // insertion. + if (PrintMachineCode) + PM.add(createMachineFunctionPrinterPass(&std::cerr)); + + PM.add(createSparcV8FPMoverPass(TM)); + PM.add(createSparcV8DelaySlotFillerPass(TM)); + + // Print machine instructions after filling delay slots. + if (PrintMachineCode) + PM.add(createMachineFunctionPrinterPass(&std::cerr)); +} |