//
// The LLVM Compiler Infrastructure
//
-// This file was developed by Duraid Madina 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.
//
//===----------------------------------------------------------------------===//
//
-// This file defines the IA64 specific subclass of TargetMachine.
+// This file implements the IA64 specific subclass of TargetMachine.
//
//===----------------------------------------------------------------------===//
+#include "IA64TargetAsmInfo.h"
#include "IA64TargetMachine.h"
#include "IA64.h"
#include "llvm/Module.h"
#include "llvm/PassManager.h"
-#include "llvm/CodeGen/IntrinsicLowering.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 "llvm/Support/CommandLine.h"
-#include "llvm/ADT/Statistic.h"
-#include <iostream>
using namespace llvm;
-/// IA64TargetMachineModule - 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 IA64TargetMachineModule;
-int IA64TargetMachineModule = 0;
+// Register the target
+static RegisterTarget<IA64TargetMachine> X("ia64",
+ "IA-64 (Itanium) [experimental]");
-namespace {
- cl::opt<bool> DisableOutput("disable-ia64-llc-output", cl::Hidden,
- cl::desc("Disable the IA64 asm printer, for use "
- "when profiling the code generator."));
+// No assembler printer by default
+IA64TargetMachine::AsmPrinterCtorFn IA64TargetMachine::AsmPrinterCtor = 0;
- cl::opt<bool> EnableDAGIsel("enable-ia64-dag-isel", cl::Hidden,
- cl::desc("Enable the IA64 DAG->DAG isel"));
+// Force static initialization.
+extern "C" void LLVMInitializeIA64Target() { }
- // Register the target.
- RegisterTarget<IA64TargetMachine> X("ia64", " IA-64 (Itanium)");
-}
-
-unsigned IA64TargetMachine::compileTimeMatchQuality() {
-#if defined(__ia64__) || defined(__IA64__)
- return 50;
-#else
- return 0;
-#endif
+const TargetAsmInfo *IA64TargetMachine::createTargetAsmInfo() const {
+ return new IA64TargetAsmInfo(*this);
}
unsigned IA64TargetMachine::getModuleMatchQuality(const Module &M) {
seenIA64=true;
}
- if(seenIA64)
- return 50; // strong match
+ if (seenIA64)
+ return 20; // strong match
}
+ // If the target triple is something non-ia64, we don't match.
+ if (!TT.empty()) return 0;
- return compileTimeMatchQuality()/2;
-
+#if defined(__ia64__) || defined(__IA64__)
+ return 5;
+#else
+ return 0;
+#endif
}
/// IA64TargetMachine ctor - Create an LP64 architecture model
///
-IA64TargetMachine::IA64TargetMachine(const Module &M, IntrinsicLowering *IL,
- const std::string &FS)
- : TargetMachine("IA64", IL, true),
+IA64TargetMachine::IA64TargetMachine(const Module &M, const std::string &FS)
+ : DataLayout("e-f80:128:128"),
FrameInfo(TargetFrameInfo::StackGrowsDown, 16, 0),
TLInfo(*this) { // FIXME? check this stuff
}
-// addPassesToEmitFile - We currently use all of the same passes as the JIT
-// does to emit statically compiled machine code.
-bool IA64TargetMachine::addPassesToEmitFile(PassManager &PM,
- std::ostream &Out,
- CodeGenFileType FileType,
- bool Fast) {
- if (FileType != TargetMachine::AssemblyFile) return true;
-
- // FIXME: Implement efficient support for garbage collection intrinsics.
- PM.add(createLowerGCPass());
-
- // FIXME: Implement the invoke/unwind instructions!
- PM.add(createLowerInvokePass(704, 16)); // on ia64 linux, jmpbufs are 704
- // bytes and must be 16byte aligned
-
- // FIXME: Implement the switch instruction in the instruction selector!
- PM.add(createLowerSwitchPass());
- // Make sure that no unreachable blocks are instruction selected.
- PM.add(createUnreachableBlockEliminationPass());
+//===----------------------------------------------------------------------===//
+// Pass Pipeline Configuration
+//===----------------------------------------------------------------------===//
- // Add an instruction selector
-// FIXME: reap this option one day: if(EnableDAGIsel)
+bool IA64TargetMachine::addInstSelector(PassManagerBase &PM,
+ CodeGenOpt::Level OptLevel) {
PM.add(createIA64DAGToDAGInstructionSelector(*this));
-
-/* XXX not yet. ;)
- // Run optional SSA-based machine code optimizations next...
- if (!NoSSAPeephole)
- PM.add(createIA64SSAPeepholeOptimizerPass());
-*/
-
- // Print the instruction selected machine code...
- if (PrintMachineCode)
- PM.add(createMachineFunctionPrinterPass(&std::cerr));
-
- // Perform register allocation to convert to a concrete IA64 representation
- PM.add(createRegisterAllocator());
-
- if (PrintMachineCode)
- PM.add(createMachineFunctionPrinterPass(&std::cerr));
-
- if (PrintMachineCode)
- PM.add(createMachineFunctionPrinterPass(&std::cerr));
-
- // Insert prolog/epilog code. Eliminate abstract frame index references...
- PM.add(createPrologEpilogCodeInserter());
-
-/* XXX no, not just yet */
-// PM.add(createIA64PeepholeOptimizerPass());
+ return false;
+}
+bool IA64TargetMachine::addPreEmitPass(PassManagerBase &PM,
+ CodeGenOpt::Level OptLevel) {
// Make sure everything is bundled happily
PM.add(createIA64BundlingPass(*this));
-
- if (PrintMachineCode) // Print the register-allocated code
- PM.add(createIA64CodePrinterPass(std::cerr, *this));
-
- if (!DisableOutput)
- PM.add(createIA64CodePrinterPass(Out, *this));
-
- // Delete machine code for this function
- PM.add(createMachineCodeDeleter());
-
- return false; // success!
+ return true;
+}
+bool IA64TargetMachine::addAssemblyEmitter(PassManagerBase &PM,
+ CodeGenOpt::Level OptLevel,
+ bool Verbose,
+ formatted_raw_ostream &Out) {
+ // Output assembly language.
+ assert(AsmPrinterCtor && "AsmPrinter was not linked in");
+ if (AsmPrinterCtor)
+ PM.add(AsmPrinterCtor(Out, *this, Verbose));
+ return false;
}
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