-//===-- SparcV8TargetMachine.cpp - Define TargetMachine for SparcV8 -------===//
-//
+//===-- SparcTargetMachine.cpp - Define TargetMachine for Sparc -----------===//
+//
// 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.
-//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
//===----------------------------------------------------------------------===//
-//
+//
//
//===----------------------------------------------------------------------===//
-#include "SparcV8TargetMachine.h"
-#include "SparcV8.h"
+#include "SparcTargetAsmInfo.h"
+#include "SparcTargetMachine.h"
+#include "Sparc.h"
#include "llvm/Module.h"
#include "llvm/PassManager.h"
-#include "llvm/Target/TargetMachineImpls.h"
-#include "llvm/CodeGen/MachineFunction.h"
-#include "llvm/CodeGen/Passes.h"
-#include "llvm/Transforms/Scalar.h"
+#include "llvm/Target/TargetMachineRegistry.h"
using namespace llvm;
-// allocateSparcV8TargetMachine - Allocate and return a subclass of
-// TargetMachine that implements the SparcV8 backend.
-//
-TargetMachine *llvm::allocateSparcV8TargetMachine(const Module &M,
- IntrinsicLowering *IL) {
- return new SparcV8TargetMachine(M, IL);
+/// SparcTargetMachineModule - Note that this is used on hosts that
+/// cannot link in a library unless there are references into the
+/// library. In particular, it seems that it is not possible to get
+/// things to work on Win32 without this. Though it is unused, do not
+/// remove it.
+extern "C" int SparcTargetMachineModule;
+int SparcTargetMachineModule = 0;
+
+// Register the target.
+static RegisterTarget<SparcTargetMachine> X("sparc", "SPARC");
+
+// Force static initialization when called from llvm/InitializeAllTargets.h
+namespace llvm {
+ void InitializeSparcTarget() { }
}
-/// SparcV8TargetMachine ctor - Create an ILP32 architecture model
-///
-SparcV8TargetMachine::SparcV8TargetMachine(const Module &M,
- IntrinsicLowering *IL)
- : TargetMachine("SparcV8", IL, true, 4, 4, 4, 4, 4),
- FrameInfo(TargetFrameInfo::StackGrowsDown, 8, 0), JITInfo(*this) {
+const TargetAsmInfo *SparcTargetMachine::createTargetAsmInfo() const {
+ // FIXME: Handle Solaris subtarget someday :)
+ return new SparcELFTargetAsmInfo(*this);
}
-/// addPassesToEmitAssembly - Add passes to the specified pass manager
-/// to implement a static compiler for this target.
+/// SparcTargetMachine ctor - Create an ILP32 architecture model
///
-bool SparcV8TargetMachine::addPassesToEmitAssembly(PassManager &PM,
- std::ostream &Out) {
- // FIXME: Implement efficient support for garbage collection intrinsics.
- PM.add(createLowerGCPass());
+SparcTargetMachine::SparcTargetMachine(const Module &M, const std::string &FS)
+ : DataLayout("E-p:32:32-f128:128:128"),
+ Subtarget(M, FS), TLInfo(*this), InstrInfo(Subtarget),
+ FrameInfo(TargetFrameInfo::StackGrowsDown, 8, 0) {
+}
- // Replace malloc and free instructions with library calls.
- PM.add(createLowerAllocationsPass());
+unsigned SparcTargetMachine::getModuleMatchQuality(const Module &M) {
+ std::string TT = M.getTargetTriple();
+ if (TT.size() >= 6 && std::string(TT.begin(), TT.begin()+6) == "sparc-")
+ return 20;
- // FIXME: implement the switch instruction in the instruction selector.
- PM.add(createLowerSwitchPass());
-
- // FIXME: implement the invoke/unwind instructions!
- PM.add(createLowerInvokePass());
-
- 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(createSparcV8DelaySlotFillerPass(*this));
-
- // Print machine instructions after filling delay slots.
- if (PrintMachineCode)
- PM.add(createMachineFunctionPrinterPass(&std::cerr));
-
- // Output assembly language.
- PM.add(createSparcV8CodePrinterPass(Out, *this));
+ // If the target triple is something non-sparc, we don't match.
+ if (!TT.empty()) return 0;
+
+ if (M.getEndianness() == Module::BigEndian &&
+ M.getPointerSize() == Module::Pointer32)
+#ifdef __sparc__
+ return 20; // BE/32 ==> Prefer sparc 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
+
+#if defined(__sparc__)
+ return 10;
+#else
+ return 0;
+#endif
+}
- // Delete the MachineInstrs we generated, since they're no longer needed.
- PM.add(createMachineCodeDeleter());
+bool SparcTargetMachine::addInstSelector(PassManagerBase &PM,
+ CodeGenOpt::Level OptLevel) {
+ PM.add(createSparcISelDag(*this));
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());
-
- 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(createSparcV8DelaySlotFillerPass(TM));
+/// addPreEmitPass - This pass may be implemented by targets that want to run
+/// passes immediately before machine code is emitted. This should return
+/// true if -print-machineinstrs should print out the code after the passes.
+bool SparcTargetMachine::addPreEmitPass(PassManagerBase &PM,
+ CodeGenOpt::Level OptLevel){
+ PM.add(createSparcFPMoverPass(*this));
+ PM.add(createSparcDelaySlotFillerPass(*this));
+ return true;
+}
- // Print machine instructions after filling delay slots.
- if (PrintMachineCode)
- PM.add(createMachineFunctionPrinterPass(&std::cerr));
+bool SparcTargetMachine::addAssemblyEmitter(PassManagerBase &PM,
+ CodeGenOpt::Level OptLevel,
+ bool Verbose,
+ raw_ostream &Out) {
+ // Output assembly language.
+ PM.add(createSparcCodePrinterPass(Out, *this, OptLevel, Verbose));
+ return false;
}