From 1911fd4f85aebcd4d7b8f27313c5a363eebf49cb Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Mon, 4 Sep 2006 04:14:57 +0000 Subject: [PATCH] Completely rearchitect the interface between targets and the pass manager. This pass: 1. Splits TargetMachine into TargetMachine (generic targets, can be implemented any way, like the CBE) and LLVMTargetMachine (subclass of TM that is used by things using libcodegen and other support). 2. Instead of having each target fully populate the passmgr for file or JIT output, move all this to common code, and give targets hooks they can implement. 3. Commonalize the target population stuff between file emission and JIT emission. 4. All (native code) codegen stuff now happens in a FunctionPassManager, which paves the way for "fast -O0" stuff in the CFE later, and now LLC could lazily stream .bc files from disk to use less memory. 5. There are now many fewer #includes and the targets don't depend on the scalar xforms or libanalysis anymore (but codegen does). 6. Changing common code generator pass ordering stuff no longer requires touching all targets. 7. The JIT now has the option of "-fast" codegen or normal optimized codegen, which is now orthogonal to the fact that JIT'ing is being done. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30081 91177308-0d34-0410-b5e6-96231b3b80d8 --- include/llvm/Target/TargetJITInfo.h | 5 - include/llvm/Target/TargetMachine.h | 102 ++++++++++++- lib/ExecutionEngine/JIT/JIT.cpp | 10 +- lib/Target/ARM/ARMTargetMachine.cpp | 56 +------ lib/Target/ARM/ARMTargetMachine.h | 9 +- lib/Target/Alpha/AlphaJITInfo.h | 6 - lib/Target/Alpha/AlphaTargetMachine.cpp | 93 ++---------- lib/Target/Alpha/AlphaTargetMachine.h | 18 +-- lib/Target/CBackend/CBackend.cpp | 6 +- lib/Target/CBackend/CTargetMachine.h | 8 +- lib/Target/CBackend/Writer.cpp | 6 +- lib/Target/IA64/IA64TargetMachine.cpp | 84 ++--------- lib/Target/IA64/IA64TargetMachine.h | 15 +- lib/Target/PowerPC/PPC.h | 10 +- lib/Target/PowerPC/PPCJITInfo.h | 6 - lib/Target/PowerPC/PPCMachOWriter.cpp | 2 +- lib/Target/PowerPC/PPCTargetMachine.cpp | 119 ++++----------- lib/Target/PowerPC/PPCTargetMachine.h | 16 +- lib/Target/Sparc/SparcTargetMachine.cpp | 61 ++------ lib/Target/Sparc/SparcTargetMachine.h | 11 +- lib/Target/X86/X86.h | 4 +- lib/Target/X86/X86ELFWriter.cpp | 2 +- lib/Target/X86/X86JITInfo.h | 6 - lib/Target/X86/X86TargetMachine.cpp | 132 +++-------------- lib/Target/X86/X86TargetMachine.h | 20 ++- tools/llc/llc.cpp | 189 ++++++++++++++---------- 26 files changed, 380 insertions(+), 616 deletions(-) diff --git a/include/llvm/Target/TargetJITInfo.h b/include/llvm/Target/TargetJITInfo.h index b7fd2d4c39a..b80b0558f1e 100644 --- a/include/llvm/Target/TargetJITInfo.h +++ b/include/llvm/Target/TargetJITInfo.h @@ -33,11 +33,6 @@ namespace llvm { public: virtual ~TargetJITInfo() {} - /// addPassesToJITCompile - Add passes to the specified pass manager to - /// implement a fast code generator for this target. - /// - virtual void addPassesToJITCompile(FunctionPassManager &PM) = 0; - /// replaceMachineCodeForFunction - Make it so that calling the function /// whose machine code is at OLD turns into a call to NEW, perhaps by /// overwriting OLD with a branch to NEW. This is used for self-modifying diff --git a/include/llvm/Target/TargetMachine.h b/include/llvm/Target/TargetMachine.h index 855938646e4..2a41d5ec3d0 100644 --- a/include/llvm/Target/TargetMachine.h +++ b/include/llvm/Target/TargetMachine.h @@ -7,7 +7,7 @@ // //===----------------------------------------------------------------------===// // -// This file describes the general parts of a Target machine. +// This file defines the TargetMachine and LLVMTargetMachine classes. // //===----------------------------------------------------------------------===// @@ -62,8 +62,8 @@ namespace CodeModel { /// through this interface. /// class TargetMachine { - TargetMachine(const TargetMachine&); // DO NOT IMPLEMENT - void operator=(const TargetMachine&); // DO NOT IMPLEMENT + TargetMachine(const TargetMachine &); // DO NOT IMPLEMENT + void operator=(const TargetMachine &); // DO NOT IMPLEMENT protected: // Can only create subclasses. TargetMachine() { } @@ -151,19 +151,109 @@ public: /// code as fast as possible, without regard for compile time. This method /// should return true if emission of this file type is not supported. /// - virtual bool addPassesToEmitFile(PassManager &PM, std::ostream &Out, + virtual bool addPassesToEmitFile(FunctionPassManager &PM, std::ostream &Out, CodeGenFileType FileType, bool Fast) { return true; } + + /// addPassesToEmitMachineCode - Add passes to the specified pass manager to + /// get machine code emitted. This uses a MachineCodeEmitter object to handle + /// actually outputting the machine code and resolving things like the address + /// of functions. This method returns true if machine code emission is + /// not supported. + /// + virtual bool addPassesToEmitMachineCode(FunctionPassManager &PM, + MachineCodeEmitter &MCE, bool Fast) { + return true; + } + + /// addPassesToEmitWholeFile - This method can be implemented by targets that + /// require having the entire module at once. This is not recommended, do not + /// use this. + virtual bool WantsWholeFile() const { return false; } + virtual bool addPassesToEmitWholeFile(PassManager &PM, std::ostream &Out, + CodeGenFileType FileType, bool Fast) { + return true; + } +}; + +/// LLVMTargetMachine - This class describes a target machine that is +/// implemented with the LLVM target-independent code generator. +/// +class LLVMTargetMachine : public TargetMachine { +protected: // Can only create subclasses. + LLVMTargetMachine() { } +public: + + /// addPassesToEmitFile - Add passes to the specified pass manager to get + /// the specified file emitted. Typically this will involve several steps of + /// code generation. If Fast is set to true, the code generator should emit + /// code as fast as possible, without regard for compile time. This method + /// should return true if emission of this file type is not supported. + /// + /// The default implementation of this method adds components from the + /// LLVM retargetable code generator, invoking the methods below to get + /// target-specific passes in standard locations. + /// + virtual bool addPassesToEmitFile(FunctionPassManager &PM, std::ostream &Out, + CodeGenFileType FileType, bool Fast); + /// addPassesToEmitMachineCode - Add passes to the specified pass manager to /// get machine code emitted. This uses a MachineCodeEmitter object to handle /// actually outputting the machine code and resolving things like the address - /// of functions. This method should returns true if machine code emission is + /// of functions. This method returns true if machine code emission is /// not supported. /// virtual bool addPassesToEmitMachineCode(FunctionPassManager &PM, - MachineCodeEmitter &MCE) { + MachineCodeEmitter &MCE, bool Fast); + + /// Target-Independent Code Generator Pass Configuration Options. + + /// addInstSelector - This method should add any "last minute" LLVM->LLVM + /// passes, then install an instruction selector pass, which converts from + /// LLVM code to machine instructions. + virtual bool addInstSelector(FunctionPassManager &PM, bool Fast) { + return true; + } + + /// addPostRegAllocPasses - This method may be implemented by targets that + /// want to run passes after register allocation but before prolog-epilog + /// insertion. This should return true if -print-machineinstrs should print + /// after these passes. + virtual bool addPostRegAlloc(FunctionPassManager &PM, bool Fast) { + return false; + } + + /// 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. + virtual bool addPreEmitPass(FunctionPassManager &PM, bool Fast) { + return false; + } + + + /// addAssemblyEmitter - This pass should be overridden by the target to add + /// the asmprinter, if asm emission is supported. If this is not supported, + /// 'true' should be returned. + virtual bool addAssemblyEmitter(FunctionPassManager &PM, bool Fast, + std::ostream &Out) { + return true; + } + + /// addObjectWriter - This pass should be overridden by the target to add + /// the object-file writer, if supported. If this is not supported, + /// 'true' should be returned. + virtual bool addObjectWriter(FunctionPassManager &PM, bool Fast, + std::ostream &Out) { + return true; + } + + /// addCodeEmitter - This pass should be overridden by the target to add a + /// code emitter, if supported. If this is not supported, 'true' should be + /// returned. + virtual bool addCodeEmitter(FunctionPassManager &PM, bool Fast, + MachineCodeEmitter &MCE) { return true; } }; diff --git a/lib/ExecutionEngine/JIT/JIT.cpp b/lib/ExecutionEngine/JIT/JIT.cpp index fe5309558c6..0a5423ef9dc 100644 --- a/lib/ExecutionEngine/JIT/JIT.cpp +++ b/lib/ExecutionEngine/JIT/JIT.cpp @@ -58,18 +58,18 @@ JIT::JIT(ModuleProvider *MP, TargetMachine &tm, TargetJITInfo &tji) // Add target data MutexGuard locked(lock); - FunctionPassManager& PM = state.getPM(locked); + FunctionPassManager &PM = state.getPM(locked); PM.add(new TargetData(*TM.getTargetData())); - // Compile LLVM Code down to machine code in the intermediate representation - TJI.addPassesToJITCompile(PM); - // Turn the machine code intermediate representation into bytes in memory that // may be executed. - if (TM.addPassesToEmitMachineCode(PM, *MCE)) { + if (TM.addPassesToEmitMachineCode(PM, *MCE, false /*fast*/)) { std::cerr << "Target does not support machine code emission!\n"; abort(); } + + // Initialize passes. + PM.doInitialization(); } JIT::~JIT() { diff --git a/lib/Target/ARM/ARMTargetMachine.cpp b/lib/Target/ARM/ARMTargetMachine.cpp index fe053c56056..175335f5c11 100644 --- a/lib/Target/ARM/ARMTargetMachine.cpp +++ b/lib/Target/ARM/ARMTargetMachine.cpp @@ -14,15 +14,9 @@ #include "ARMTargetMachine.h" #include "ARMFrameInfo.h" #include "ARM.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 using namespace llvm; namespace { @@ -47,54 +41,16 @@ unsigned ARMTargetMachine::getModuleMatchQuality(const Module &M) { return 0; } -/// addPassesToEmitFile - Add passes to the specified pass manager -/// to implement a static compiler for this target. -/// -bool ARMTargetMachine::addPassesToEmitFile(PassManager &PM, std::ostream &Out, - CodeGenFileType FileType, - bool Fast) { - if (FileType != TargetMachine::AssemblyFile) - return true; - - // Run loop strength reduction before anything else. - if (!Fast) - PM.add(createLoopStrengthReducePass()); - - if (!Fast) - PM.add(createCFGSimplificationPass()); - - // FIXME: Implement efficient support for garbage collection intrinsics. - PM.add(createLowerGCPass()); - - // FIXME: implement the invoke/unwind instructions! - PM.add(createLowerInvokePass()); - - // Print LLVM code input to instruction selector: - if (PrintMachineCode) - PM.add(new PrintFunctionPass()); - - // Make sure that no unreachable blocks are instruction selected. - PM.add(createUnreachableBlockEliminationPass()); +// Pass Pipeline Configuration +bool ARMTargetMachine::addInstSelector(FunctionPassManager &PM, bool Fast) { PM.add(createARMISelDag(*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)); - + return false; +} +bool ARMTargetMachine::addAssemblyEmitter(FunctionPassManager &PM, bool Fast, + std::ostream &Out) { // Output assembly language. PM.add(createARMCodePrinterPass(Out, *this)); - - // Delete the MachineInstrs we generated, since they're no longer needed. - PM.add(createMachineCodeDeleter()); return false; } diff --git a/lib/Target/ARM/ARMTargetMachine.h b/lib/Target/ARM/ARMTargetMachine.h index 400ea0c7be1..f09b92b8f39 100644 --- a/lib/Target/ARM/ARMTargetMachine.h +++ b/lib/Target/ARM/ARMTargetMachine.h @@ -18,7 +18,6 @@ #include "llvm/Target/TargetMachine.h" #include "llvm/Target/TargetData.h" #include "llvm/Target/TargetFrameInfo.h" -#include "llvm/PassManager.h" #include "ARMInstrInfo.h" #include "ARMFrameInfo.h" @@ -26,7 +25,7 @@ namespace llvm { class Module; -class ARMTargetMachine : public TargetMachine { +class ARMTargetMachine : public LLVMTargetMachine { const TargetData DataLayout; // Calculates type size & alignment ARMInstrInfo InstrInfo; ARMFrameInfo FrameInfo; @@ -41,8 +40,10 @@ public: virtual const TargetData *getTargetData() const { return &DataLayout; } static unsigned getModuleMatchQuality(const Module &M); - virtual bool addPassesToEmitFile(PassManager &PM, std::ostream &Out, - CodeGenFileType FileType, bool Fast); + // Pass Pipeline Configuration + virtual bool addInstSelector(FunctionPassManager &PM, bool Fast); + virtual bool addAssemblyEmitter(FunctionPassManager &PM, bool Fast, + std::ostream &Out); }; } // end namespace llvm diff --git a/lib/Target/Alpha/AlphaJITInfo.h b/lib/Target/Alpha/AlphaJITInfo.h index 7d1416ecf6d..26c45b12562 100644 --- a/lib/Target/Alpha/AlphaJITInfo.h +++ b/lib/Target/Alpha/AlphaJITInfo.h @@ -29,12 +29,6 @@ namespace llvm { AlphaJITInfo(TargetMachine &tm) : TM(tm) { useGOT = true; } - /// addPassesToJITCompile - Add passes to the specified pass manager to - /// implement a fast dynamic compiler for this target. Return true if this - /// is not supported for this target. - /// - virtual void addPassesToJITCompile(FunctionPassManager &PM); - virtual void *emitFunctionStub(void *Fn, MachineCodeEmitter &MCE); virtual LazyResolverFn getLazyResolverFunction(JITCompilerFn); virtual void relocate(void *Function, MachineRelocation *MR, diff --git a/lib/Target/Alpha/AlphaTargetMachine.cpp b/lib/Target/Alpha/AlphaTargetMachine.cpp index 2d7e467815d..9c9f52dcf13 100644 --- a/lib/Target/Alpha/AlphaTargetMachine.cpp +++ b/lib/Target/Alpha/AlphaTargetMachine.cpp @@ -14,12 +14,8 @@ #include "AlphaJITInfo.h" #include "AlphaTargetMachine.h" #include "llvm/Module.h" -#include "llvm/CodeGen/Passes.h" -#include "llvm/Target/TargetOptions.h" +#include "llvm/PassManager.h" #include "llvm/Target/TargetMachineRegistry.h" -#include "llvm/Transforms/Scalar.h" -#include "llvm/Support/Debug.h" -#include using namespace llvm; @@ -57,89 +53,30 @@ AlphaTargetMachine::AlphaTargetMachine(const Module &M, const std::string &FS) : DataLayout("e"), FrameInfo(TargetFrameInfo::StackGrowsDown, 16, 0), JITInfo(*this), - Subtarget(M, FS) -{ - DEBUG(std::cerr << "FS is " << FS << "\n"); + Subtarget(M, FS) { } -/// addPassesToEmitFile - Add passes to the specified pass manager to implement -/// a static compiler for this target. -/// -bool AlphaTargetMachine::addPassesToEmitFile(PassManager &PM, - std::ostream &Out, - CodeGenFileType FileType, - bool Fast) { - if (FileType != TargetMachine::AssemblyFile) return true; - PM.add(createLoopStrengthReducePass()); - PM.add(createCFGSimplificationPass()); - - - // FIXME: Implement efficient support for garbage collection intrinsics. - PM.add(createLowerGCPass()); - - // FIXME: Implement the invoke/unwind instructions! - PM.add(createLowerInvokePass()); - - // Make sure that no unreachable blocks are instruction selected. - PM.add(createUnreachableBlockEliminationPass()); +//===----------------------------------------------------------------------===// +// Pass Pipeline Configuration +//===----------------------------------------------------------------------===// +bool AlphaTargetMachine::addInstSelector(FunctionPassManager &PM, bool Fast) { PM.add(createAlphaISelDag(*this)); - - if (PrintMachineCode) - PM.add(createMachineFunctionPrinterPass(&std::cerr)); - - PM.add(createRegisterAllocator()); - - if (PrintMachineCode) - PM.add(createMachineFunctionPrinterPass(&std::cerr)); - - PM.add(createPrologEpilogCodeInserter()); - - // Must run branch selection immediately preceding the asm printer - //PM.add(createAlphaBranchSelectionPass()); - - PM.add(createAlphaCodePrinterPass(Out, *this)); - - PM.add(createMachineCodeDeleter()); return false; } - -void AlphaJITInfo::addPassesToJITCompile(FunctionPassManager &PM) { - - PM.add(createLoopStrengthReducePass()); - PM.add(createCFGSimplificationPass()); - - // FIXME: Implement efficient support for garbage collection intrinsics. - PM.add(createLowerGCPass()); - - // FIXME: Implement the invoke/unwind instructions! - PM.add(createLowerInvokePass()); - - // Make sure that no unreachable blocks are instruction selected. - PM.add(createUnreachableBlockEliminationPass()); - - PM.add(createAlphaISelDag(TM)); - - if (PrintMachineCode) - PM.add(createMachineFunctionPrinterPass(&std::cerr)); - - PM.add(createRegisterAllocator()); - - if (PrintMachineCode) - PM.add(createMachineFunctionPrinterPass(&std::cerr)); - - PM.add(createPrologEpilogCodeInserter()); - +bool AlphaTargetMachine::addPreEmitPass(FunctionPassManager &PM, bool Fast) { // Must run branch selection immediately preceding the asm printer //PM.add(createAlphaBranchSelectionPass()); - + return false; } - -bool AlphaTargetMachine::addPassesToEmitMachineCode(FunctionPassManager &PM, - MachineCodeEmitter &MCE) { +bool AlphaTargetMachine::addAssemblyEmitter(FunctionPassManager &PM, bool Fast, + std::ostream &Out) { + PM.add(createAlphaCodePrinterPass(Out, *this)); + return false; +} +bool AlphaTargetMachine::addCodeEmitter(FunctionPassManager &PM, bool Fast, + MachineCodeEmitter &MCE) { PM.add(createAlphaCodeEmitterPass(*this, MCE)); - // Delete machine code for this function - PM.add(createMachineCodeDeleter()); return false; } diff --git a/lib/Target/Alpha/AlphaTargetMachine.h b/lib/Target/Alpha/AlphaTargetMachine.h index 413a99464a6..d71c7cec72d 100644 --- a/lib/Target/Alpha/AlphaTargetMachine.h +++ b/lib/Target/Alpha/AlphaTargetMachine.h @@ -17,7 +17,6 @@ #include "llvm/Target/TargetMachine.h" #include "llvm/Target/TargetData.h" #include "llvm/Target/TargetFrameInfo.h" -#include "llvm/PassManager.h" #include "AlphaInstrInfo.h" #include "AlphaJITInfo.h" #include "AlphaSubtarget.h" @@ -26,7 +25,7 @@ namespace llvm { class GlobalValue; -class AlphaTargetMachine : public TargetMachine { +class AlphaTargetMachine : public LLVMTargetMachine { const TargetData DataLayout; // Calculates type size & alignment AlphaInstrInfo InstrInfo; TargetFrameInfo FrameInfo; @@ -48,14 +47,15 @@ public: } static unsigned getJITMatchQuality(); - - virtual bool addPassesToEmitMachineCode(FunctionPassManager &PM, - MachineCodeEmitter &MCE); - - virtual bool addPassesToEmitFile(PassManager &PM, std::ostream &Out, - CodeGenFileType FileType, bool Fast); - static unsigned getModuleMatchQuality(const Module &M); + + // Pass Pipeline Configuration + virtual bool addInstSelector(FunctionPassManager &PM, bool Fast); + virtual bool addPreEmitPass(FunctionPassManager &PM, bool Fast); + virtual bool addAssemblyEmitter(FunctionPassManager &PM, bool Fast, + std::ostream &Out); + virtual bool addCodeEmitter(FunctionPassManager &PM, bool Fast, + MachineCodeEmitter &MCE); }; } // end namespace llvm diff --git a/lib/Target/CBackend/CBackend.cpp b/lib/Target/CBackend/CBackend.cpp index cbd13601a3e..c50b5a40e95 100644 --- a/lib/Target/CBackend/CBackend.cpp +++ b/lib/Target/CBackend/CBackend.cpp @@ -2027,8 +2027,10 @@ void CWriter::visitVAArgInst(VAArgInst &I) { // External Interface declaration //===----------------------------------------------------------------------===// -bool CTargetMachine::addPassesToEmitFile(PassManager &PM, std::ostream &o, - CodeGenFileType FileType, bool Fast) { +bool CTargetMachine::addPassesToEmitWholeFile(PassManager &PM, + std::ostream &o, + CodeGenFileType FileType, + bool Fast) { if (FileType != TargetMachine::AssemblyFile) return true; PM.add(createLowerGCPass()); diff --git a/lib/Target/CBackend/CTargetMachine.h b/lib/Target/CBackend/CTargetMachine.h index 1dde6fe2363..38c738ebc35 100644 --- a/lib/Target/CBackend/CTargetMachine.h +++ b/lib/Target/CBackend/CTargetMachine.h @@ -25,14 +25,14 @@ struct CTargetMachine : public TargetMachine { CTargetMachine(const Module &M, const std::string &FS) : DataLayout(&M) {} - // This is the only thing that actually does anything here. - virtual bool addPassesToEmitFile(PassManager &PM, std::ostream &Out, - CodeGenFileType FileType, bool Fast); + virtual bool WantsWholeFile() const { return true; } + virtual bool addPassesToEmitWholeFile(PassManager &PM, std::ostream &Out, + CodeGenFileType FileType, bool Fast); // This class always works, but shouldn't be the default in most cases. static unsigned getModuleMatchQuality(const Module &M) { return 1; } - virtual const TargetData *getTargetData() const { return &DataLayout; } + virtual const TargetData *getTargetData() const { return &DataLayout; } }; } // End llvm namespace diff --git a/lib/Target/CBackend/Writer.cpp b/lib/Target/CBackend/Writer.cpp index cbd13601a3e..c50b5a40e95 100644 --- a/lib/Target/CBackend/Writer.cpp +++ b/lib/Target/CBackend/Writer.cpp @@ -2027,8 +2027,10 @@ void CWriter::visitVAArgInst(VAArgInst &I) { // External Interface declaration //===----------------------------------------------------------------------===// -bool CTargetMachine::addPassesToEmitFile(PassManager &PM, std::ostream &o, - CodeGenFileType FileType, bool Fast) { +bool CTargetMachine::addPassesToEmitWholeFile(PassManager &PM, + std::ostream &o, + CodeGenFileType FileType, + bool Fast) { if (FileType != TargetMachine::AssemblyFile) return true; PM.add(createLowerGCPass()); diff --git a/lib/Target/IA64/IA64TargetMachine.cpp b/lib/Target/IA64/IA64TargetMachine.cpp index c512ce67812..0f7821f5af7 100644 --- a/lib/Target/IA64/IA64TargetMachine.cpp +++ b/lib/Target/IA64/IA64TargetMachine.cpp @@ -7,7 +7,7 @@ // //===----------------------------------------------------------------------===// // -// This file defines the IA64 specific subclass of TargetMachine. +// This file implements the IA64 specific subclass of TargetMachine. // //===----------------------------------------------------------------------===// @@ -15,14 +15,7 @@ #include "IA64.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 "llvm/Support/CommandLine.h" -#include "llvm/ADT/Statistic.h" -#include using namespace llvm; /// IA64TargetMachineModule - Note that this is used on hosts that cannot link @@ -33,14 +26,6 @@ extern "C" int IA64TargetMachineModule; int IA64TargetMachineModule = 0; namespace { - cl::opt DisableOutput("disable-ia64-llc-output", cl::Hidden, - cl::desc("Disable the IA64 asm printer, for use " - "when profiling the code generator.")); - - cl::opt EnableDAGIsel("enable-ia64-dag-isel", cl::Hidden, - cl::desc("Enable the IA64 DAG->DAG isel")); - - // Register the target. RegisterTarget X("ia64", " IA-64 (Itanium)"); } @@ -76,65 +61,24 @@ IA64TargetMachine::IA64TargetMachine(const Module &M, const std::string &FS) 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 - - // 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(FunctionPassManager &PM, bool Fast) { 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(FunctionPassManager &PM, bool Fast) { // 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(FunctionPassManager &PM, bool Fast, + std::ostream &Out) { + PM.add(createIA64CodePrinterPass(Out, *this)); + return false; } diff --git a/lib/Target/IA64/IA64TargetMachine.h b/lib/Target/IA64/IA64TargetMachine.h index 267d354117f..5a4b6b69957 100644 --- a/lib/Target/IA64/IA64TargetMachine.h +++ b/lib/Target/IA64/IA64TargetMachine.h @@ -11,19 +11,18 @@ // //===----------------------------------------------------------------------===// -#ifndef IA64TARGETMACHINE_H -#define IA64TARGETMACHINE_H +#ifndef LLVM_TARGET_IA64TARGETMACHINE_H +#define LLVM_TARGET_IA64TARGETMACHINE_H #include "llvm/Target/TargetMachine.h" #include "llvm/Target/TargetData.h" #include "llvm/Target/TargetFrameInfo.h" -#include "llvm/PassManager.h" #include "IA64InstrInfo.h" #include "IA64ISelLowering.h" namespace llvm { -class IA64TargetMachine : public TargetMachine { +class IA64TargetMachine : public LLVMTargetMachine { const TargetData DataLayout; // Calculates type size & alignment IA64InstrInfo InstrInfo; TargetFrameInfo FrameInfo; @@ -42,11 +41,13 @@ public: } virtual const TargetData *getTargetData() const { return &DataLayout; } - virtual bool addPassesToEmitFile(PassManager &PM, std::ostream &Out, - CodeGenFileType FileType, bool Fast); - static unsigned getModuleMatchQuality(const Module &M); + // Pass Pipeline Configuration + virtual bool addInstSelector(FunctionPassManager &PM, bool Fast); + virtual bool addPreEmitPass(FunctionPassManager &PM, bool Fast); + virtual bool addAssemblyEmitter(FunctionPassManager &PM, bool Fast, + std::ostream &Out); }; } // End llvm namespace diff --git a/lib/Target/PowerPC/PPC.h b/lib/Target/PowerPC/PPC.h index f34b9b08a09..26439bd0941 100644 --- a/lib/Target/PowerPC/PPC.h +++ b/lib/Target/PowerPC/PPC.h @@ -1,4 +1,4 @@ -//===-- PowerPC.h - Top-level interface for PowerPC representation -*- C++ -*-// +//===-- PPC.h - Top-level interface for PowerPC Target ----------*- C++ -*-===// // // The LLVM Compiler Infrastructure // @@ -12,15 +12,15 @@ // //===----------------------------------------------------------------------===// -#ifndef TARGET_POWERPC_H -#define TARGET_POWERPC_H +#ifndef LLVM_TARGET_POWERPC_H +#define LLVM_TARGET_POWERPC_H #include namespace llvm { class PPCTargetMachine; -class PassManager; +class FunctionPassManager; class FunctionPass; class MachineCodeEmitter; @@ -29,7 +29,7 @@ FunctionPass *createPPCISelDag(PPCTargetMachine &TM); FunctionPass *createDarwinAsmPrinter(std::ostream &OS, PPCTargetMachine &TM); FunctionPass *createPPCCodeEmitterPass(PPCTargetMachine &TM, MachineCodeEmitter &MCE); -void addPPCMachOObjectWriterPass(PassManager &FPM, std::ostream &o, +void addPPCMachOObjectWriterPass(FunctionPassManager &FPM, std::ostream &o, PPCTargetMachine &tm); } // end namespace llvm; diff --git a/lib/Target/PowerPC/PPCJITInfo.h b/lib/Target/PowerPC/PPCJITInfo.h index 61ec4691cb1..66ee0eef302 100644 --- a/lib/Target/PowerPC/PPCJITInfo.h +++ b/lib/Target/PowerPC/PPCJITInfo.h @@ -29,12 +29,6 @@ namespace llvm { is64Bit = tmIs64Bit; } - /// addPassesToJITCompile - Add passes to the specified pass manager to - /// implement a fast dynamic compiler for this target. Return true if this - /// is not supported for this target. - /// - virtual void addPassesToJITCompile(FunctionPassManager &PM); - virtual void *emitFunctionStub(void *Fn, MachineCodeEmitter &MCE); virtual LazyResolverFn getLazyResolverFunction(JITCompilerFn); virtual void relocate(void *Function, MachineRelocation *MR, diff --git a/lib/Target/PowerPC/PPCMachOWriter.cpp b/lib/Target/PowerPC/PPCMachOWriter.cpp index 308e8b7775c..a7da37127d7 100644 --- a/lib/Target/PowerPC/PPCMachOWriter.cpp +++ b/lib/Target/PowerPC/PPCMachOWriter.cpp @@ -33,7 +33,7 @@ namespace { /// addPPCMachOObjectWriterPass - Returns a pass that outputs the generated code /// as a Mach-O object file. /// -void llvm::addPPCMachOObjectWriterPass(PassManager &FPM, +void llvm::addPPCMachOObjectWriterPass(FunctionPassManager &FPM, std::ostream &O, PPCTargetMachine &TM) { PPCMachOWriter *EW = new PPCMachOWriter(O, TM); FPM.add(EW); diff --git a/lib/Target/PowerPC/PPCTargetMachine.cpp b/lib/Target/PowerPC/PPCTargetMachine.cpp index 811e18992da..2e2fd285879 100644 --- a/lib/Target/PowerPC/PPCTargetMachine.cpp +++ b/lib/Target/PowerPC/PPCTargetMachine.cpp @@ -12,19 +12,10 @@ //===----------------------------------------------------------------------===// #include "PPC.h" -#include "PPCFrameInfo.h" #include "PPCTargetMachine.h" -#include "PPCJITInfo.h" #include "llvm/Module.h" #include "llvm/PassManager.h" -#include "llvm/Analysis/Verifier.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 using namespace llvm; namespace { @@ -106,99 +97,47 @@ PPC64TargetMachine::PPC64TargetMachine(const Module &M, const std::string &FS) : PPCTargetMachine(M, FS, true) { } -/// addPassesToEmitFile - Add passes to the specified pass manager to implement -/// a static compiler for this target. -/// -bool PPCTargetMachine::addPassesToEmitFile(PassManager &PM, std::ostream &Out, - CodeGenFileType FileType, - bool Fast) { - if (FileType != TargetMachine::AssemblyFile && - FileType != TargetMachine::ObjectFile) return true; - - // Run loop strength reduction before anything else. - if (!Fast) PM.add(createLoopStrengthReducePass(&TLInfo)); - - // FIXME: Implement efficient support for garbage collection intrinsics. - PM.add(createLowerGCPass()); - // FIXME: Implement the invoke/unwind instructions! - PM.add(createLowerInvokePass()); - - // Clean up after other passes, e.g. merging critical edges. - if (!Fast) PM.add(createCFGSimplificationPass()); - - // Make sure that no unreachable blocks are instruction selected. - PM.add(createUnreachableBlockEliminationPass()); +//===----------------------------------------------------------------------===// +// Pass Pipeline Configuration +//===----------------------------------------------------------------------===// +bool PPCTargetMachine::addInstSelector(FunctionPassManager &PM, bool Fast) { // Install an instruction selector. PM.add(createPPCISelDag(*this)); + return false; +} - if (PrintMachineCode) - PM.add(createMachineFunctionPrinterPass(&std::cerr)); - - PM.add(createRegisterAllocator()); - - if (PrintMachineCode) - PM.add(createMachineFunctionPrinterPass(&std::cerr)); - - PM.add(createPrologEpilogCodeInserter()); - - // Must run branch selection immediately preceding the asm printer +bool PPCTargetMachine::addPreEmitPass(FunctionPassManager &PM, bool Fast) { + + // Must run branch selection immediately preceding the asm printer. PM.add(createPPCBranchSelectionPass()); - - if (FileType == TargetMachine::AssemblyFile) - PM.add(createDarwinAsmPrinter(Out, *this)); - else - // FIXME: support PPC ELF files at some point - addPPCMachOObjectWriterPass(PM, Out, *this); - - PM.add(createMachineCodeDeleter()); return false; } -void PPCJITInfo::addPassesToJITCompile(FunctionPassManager &PM) { - // The JIT should use the static relocation model. - TM.setRelocationModel(Reloc::Static); - - // Run loop strength reduction before anything else. - PM.add(createLoopStrengthReducePass(TM.getTargetLowering())); - - // FIXME: Implement efficient support for garbage collection intrinsics. - PM.add(createLowerGCPass()); - - // FIXME: Implement the invoke/unwind instructions! - PM.add(createLowerInvokePass()); - - // Clean up after other passes, e.g. merging critical edges. - PM.add(createCFGSimplificationPass()); - - // Make sure that no unreachable blocks are instruction selected. - PM.add(createUnreachableBlockEliminationPass()); - - // Install an instruction selector. - PM.add(createPPCISelDag(TM)); - - PM.add(createRegisterAllocator()); - PM.add(createPrologEpilogCodeInserter()); - - // Must run branch selection immediately preceding the asm printer - PM.add(createPPCBranchSelectionPass()); +bool PPCTargetMachine::addAssemblyEmitter(FunctionPassManager &PM, bool Fast, + std::ostream &Out) { + PM.add(createDarwinAsmPrinter(Out, *this)); + return false; +} - if (PrintMachineCode) - PM.add(createMachineFunctionPrinterPass(&std::cerr)); +bool PPCTargetMachine::addObjectWriter(FunctionPassManager &PM, bool Fast, + std::ostream &Out) { + // FIXME: support PPC ELF files at some point + addPPCMachOObjectWriterPass(PM, Out, *this); + return true; } -/// addPassesToEmitMachineCode - Add passes to the specified pass manager to get -/// machine code emitted. This uses a MachineCodeEmitter object to handle -/// actually outputting the machine code and resolving things like the address -/// of functions. This method should returns true if machine code emission is -/// not supported. -/// -bool PPCTargetMachine::addPassesToEmitMachineCode(FunctionPassManager &PM, - MachineCodeEmitter &MCE) { - // Machine code emitter pass for PowerPC +bool PPCTargetMachine::addCodeEmitter(FunctionPassManager &PM, bool Fast, + MachineCodeEmitter &MCE) { + // The JIT should use the static relocation model. + // FIXME: This should be moved to TargetJITInfo!! + setRelocationModel(Reloc::Static); + + + + // Machine code emitter pass for PowerPC. PM.add(createPPCCodeEmitterPass(*this, MCE)); - // Delete machine code for this function after emitting it - PM.add(createMachineCodeDeleter()); return false; } + diff --git a/lib/Target/PowerPC/PPCTargetMachine.h b/lib/Target/PowerPC/PPCTargetMachine.h index 266ef18044f..9a77a4fcb89 100644 --- a/lib/Target/PowerPC/PPCTargetMachine.h +++ b/lib/Target/PowerPC/PPCTargetMachine.h @@ -28,7 +28,7 @@ class GlobalValue; /// PPCTargetMachine - Common code between 32-bit and 64-bit PowerPC targets. /// -class PPCTargetMachine : public TargetMachine { +class PPCTargetMachine : public LLVMTargetMachine { PPCSubtarget Subtarget; const TargetData DataLayout; // Calculates type size & alignment PPCInstrInfo InstrInfo; @@ -55,12 +55,16 @@ public: return InstrItins; } - - virtual bool addPassesToEmitFile(PassManager &PM, std::ostream &Out, - CodeGenFileType FileType, bool Fast); - bool addPassesToEmitMachineCode(FunctionPassManager &PM, - MachineCodeEmitter &MCE); + // Pass Pipeline Configuration + virtual bool addInstSelector(FunctionPassManager &PM, bool Fast); + virtual bool addPreEmitPass(FunctionPassManager &PM, bool Fast); + virtual bool addAssemblyEmitter(FunctionPassManager &PM, bool Fast, + std::ostream &Out); + virtual bool addObjectWriter(FunctionPassManager &PM, bool Fast, + std::ostream &Out); + virtual bool addCodeEmitter(FunctionPassManager &PM, bool Fast, + MachineCodeEmitter &MCE); }; /// PPC32TargetMachine - PowerPC 32-bit target machine. diff --git a/lib/Target/Sparc/SparcTargetMachine.cpp b/lib/Target/Sparc/SparcTargetMachine.cpp index 324fcc3dc94..477e9544140 100644 --- a/lib/Target/Sparc/SparcTargetMachine.cpp +++ b/lib/Target/Sparc/SparcTargetMachine.cpp @@ -12,14 +12,9 @@ #include "SparcTargetMachine.h" #include "Sparc.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 using namespace llvm; @@ -55,57 +50,23 @@ unsigned SparcTargetMachine::getModuleMatchQuality(const Module &M) { return 0; } -/// addPassesToEmitFile - Add passes to the specified pass manager -/// to implement a static compiler for this target. -/// -bool SparcTargetMachine::addPassesToEmitFile(PassManager &PM, std::ostream &Out, - CodeGenFileType FileType, - bool Fast) { - if (FileType != TargetMachine::AssemblyFile) return true; - - // Run loop strength reduction before anything else. - if (!Fast) PM.add(createLoopStrengthReducePass()); - - // FIXME: Implement efficient support for garbage collection intrinsics. - PM.add(createLowerGCPass()); - - // FIXME: implement the invoke/unwind instructions! - PM.add(createLowerInvokePass()); - - // Print LLVM code input to instruction selector: - if (PrintMachineCode) - PM.add(new PrintFunctionPass()); - - // Make sure that no unreachable blocks are instruction selected. - PM.add(createUnreachableBlockEliminationPass()); - +bool SparcTargetMachine::addInstSelector(FunctionPassManager &PM, bool Fast) { PM.add(createSparcISelDag(*this)); + return false; +} - // 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)); - +/// 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(FunctionPassManager &PM, bool Fast) { 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(FunctionPassManager &PM, bool Fast, + std::ostream &Out) { // Output assembly language. PM.add(createSparcCodePrinterPass(Out, *this)); - - // Delete the MachineInstrs we generated, since they're no longer needed. - PM.add(createMachineCodeDeleter()); return false; } - diff --git a/lib/Target/Sparc/SparcTargetMachine.h b/lib/Target/Sparc/SparcTargetMachine.h index c2988fbf4bf..e377afa0853 100644 --- a/lib/Target/Sparc/SparcTargetMachine.h +++ b/lib/Target/Sparc/SparcTargetMachine.h @@ -17,7 +17,6 @@ #include "llvm/Target/TargetMachine.h" #include "llvm/Target/TargetData.h" #include "llvm/Target/TargetFrameInfo.h" -#include "llvm/PassManager.h" #include "SparcInstrInfo.h" #include "SparcSubtarget.h" @@ -25,7 +24,7 @@ namespace llvm { class Module; -class SparcTargetMachine : public TargetMachine { +class SparcTargetMachine : public LLVMTargetMachine { const TargetData DataLayout; // Calculates type size & alignment SparcSubtarget Subtarget; SparcInstrInfo InstrInfo; @@ -42,8 +41,12 @@ public: virtual const TargetData *getTargetData() const { return &DataLayout; } static unsigned getModuleMatchQuality(const Module &M); - virtual bool addPassesToEmitFile(PassManager &PM, std::ostream &Out, - CodeGenFileType FileType, bool Fast); + + // Pass Pipeline Configuration + virtual bool addInstSelector(FunctionPassManager &PM, bool Fast); + virtual bool addPreEmitPass(FunctionPassManager &PM, bool Fast); + virtual bool addAssemblyEmitter(FunctionPassManager &PM, bool Fast, + std::ostream &Out); }; } // end namespace llvm diff --git a/lib/Target/X86/X86.h b/lib/Target/X86/X86.h index 11a63868d98..5a16cd92e8b 100644 --- a/lib/Target/X86/X86.h +++ b/lib/Target/X86/X86.h @@ -20,7 +20,7 @@ namespace llvm { class X86TargetMachine; -class PassManager; +class FunctionPassManager; class FunctionPass; class IntrinsicLowering; class MachineCodeEmitter; @@ -50,7 +50,7 @@ FunctionPass *createX86CodeEmitterPass(X86TargetMachine &TM, /// addX86ELFObjectWriterPass - Add passes to the FPM that output the generated /// code as an ELF object file. /// -void addX86ELFObjectWriterPass(PassManager &FPM, +void addX86ELFObjectWriterPass(FunctionPassManager &FPM, std::ostream &o, X86TargetMachine &tm); /// createX86EmitCodeToMemory - Returns a pass that converts a register diff --git a/lib/Target/X86/X86ELFWriter.cpp b/lib/Target/X86/X86ELFWriter.cpp index 5bd22a0aa97..eb7392ab79e 100644 --- a/lib/Target/X86/X86ELFWriter.cpp +++ b/lib/Target/X86/X86ELFWriter.cpp @@ -31,7 +31,7 @@ namespace { /// addX86ELFObjectWriterPass - Returns a pass that outputs the generated code /// as an ELF object file. /// -void llvm::addX86ELFObjectWriterPass(PassManager &FPM, +void llvm::addX86ELFObjectWriterPass(FunctionPassManager &FPM, std::ostream &O, X86TargetMachine &TM) { X86ELFWriter *EW = new X86ELFWriter(O, TM); FPM.add(EW); diff --git a/lib/Target/X86/X86JITInfo.h b/lib/Target/X86/X86JITInfo.h index 02e54af11af..481b2328b03 100644 --- a/lib/Target/X86/X86JITInfo.h +++ b/lib/Target/X86/X86JITInfo.h @@ -25,12 +25,6 @@ namespace llvm { public: X86JITInfo(X86TargetMachine &tm) : TM(tm) {useGOT = 0;} - /// addPassesToJITCompile - Add passes to the specified pass manager to - /// implement a fast dynamic compiler for this target. Return true if this - /// is not supported for this target. - /// - virtual void addPassesToJITCompile(FunctionPassManager &PM); - /// replaceMachineCodeForFunction - Make it so that calling the function /// whose machine code is at OLD turns into a call to NEW, perhaps by /// overwriting OLD with a branch to NEW. This is used for self-modifying diff --git a/lib/Target/X86/X86TargetMachine.cpp b/lib/Target/X86/X86TargetMachine.cpp index d12e9642ff1..83af172c7f0 100644 --- a/lib/Target/X86/X86TargetMachine.cpp +++ b/lib/Target/X86/X86TargetMachine.cpp @@ -20,8 +20,6 @@ #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 using namespace llvm; @@ -33,9 +31,6 @@ extern "C" int X86TargetMachineModule; int X86TargetMachineModule = 0; namespace { - cl::opt DisableOutput("disable-x86-llc-output", cl::Hidden, - cl::desc("Disable the X86 asm printer, for use " - "when profiling the code generator.")); // Register the target. RegisterTarget X("x86", " IA-32 (Pentium and above)"); } @@ -79,121 +74,38 @@ X86TargetMachine::X86TargetMachine(const Module &M, const std::string &FS) setRelocationModel(Reloc::PIC_); } +//===----------------------------------------------------------------------===// +// Pass Pipeline Configuration +//===----------------------------------------------------------------------===// -// addPassesToEmitFile - We currently use all of the same passes as the JIT -// does to emit statically compiled machine code. -bool X86TargetMachine::addPassesToEmitFile(PassManager &PM, std::ostream &Out, - CodeGenFileType FileType, - bool Fast) { - if (FileType != TargetMachine::AssemblyFile && - FileType != TargetMachine::ObjectFile) return true; - - // Run loop strength reduction before anything else. - if (!Fast) PM.add(createLoopStrengthReducePass(&TLInfo)); - - // FIXME: Implement efficient support for garbage collection intrinsics. - PM.add(createLowerGCPass()); - - // FIXME: Implement the invoke/unwind instructions! - PM.add(createLowerInvokePass()); - - // Make sure that no unreachable blocks are instruction selected. - PM.add(createUnreachableBlockEliminationPass()); - +bool X86TargetMachine::addInstSelector(FunctionPassManager &PM, bool Fast) { // Install an instruction selector. PM.add(createX86ISelDag(*this, Fast)); - - // Print the instruction selected machine code... - if (PrintMachineCode) - PM.add(createMachineFunctionPrinterPass(&std::cerr)); - - // Perform register allocation to convert to a concrete x86 representation - PM.add(createRegisterAllocator()); - - if (PrintMachineCode) - PM.add(createMachineFunctionPrinterPass(&std::cerr)); - - PM.add(createX86FloatingPointStackifierPass()); - - if (PrintMachineCode) - PM.add(createMachineFunctionPrinterPass(&std::cerr)); - - // Insert prolog/epilog code. Eliminate abstract frame index references... - PM.add(createPrologEpilogCodeInserter()); - - if (PrintMachineCode) // Print the register-allocated code - PM.add(createX86CodePrinterPass(std::cerr, *this)); - - if (!DisableOutput) - switch (FileType) { - default: - assert(0 && "Unexpected filetype here!"); - case TargetMachine::AssemblyFile: - PM.add(createX86CodePrinterPass(Out, *this)); - break; - case TargetMachine::ObjectFile: - // FIXME: We only support emission of ELF files for now, this should check - // the target triple and decide on the format to write (e.g. COFF on - // win32 or Mach-O on darwin). - addX86ELFObjectWriterPass(PM, Out, *this); - break; - } - - // Delete machine code for this function - PM.add(createMachineCodeDeleter()); - - return false; // success! + return false; } -/// addPassesToJITCompile - Add passes to the specified pass manager to -/// implement a fast dynamic compiler for this target. Return true if this is -/// not supported for this target. -/// -void X86JITInfo::addPassesToJITCompile(FunctionPassManager &PM) { - // The JIT should use static relocation model. - TM.setRelocationModel(Reloc::Static); - - // Run loop strength reduction before anything else. - PM.add(createLoopStrengthReducePass(TM.getTargetLowering())); - - // FIXME: Implement efficient support for garbage collection intrinsics. - PM.add(createLowerGCPass()); - - // FIXME: Implement the invoke/unwind instructions! - PM.add(createLowerInvokePass()); - - // Make sure that no unreachable blocks are instruction selected. - PM.add(createUnreachableBlockEliminationPass()); - - // Install an instruction selector. - PM.add(createX86ISelDag(TM, false)); - - // Print the instruction selected machine code... - if (PrintMachineCode) - PM.add(createMachineFunctionPrinterPass(&std::cerr)); - - // Perform register allocation to convert to a concrete x86 representation - PM.add(createRegisterAllocator()); - - if (PrintMachineCode) - PM.add(createMachineFunctionPrinterPass(&std::cerr)); - +bool X86TargetMachine::addPostRegAlloc(FunctionPassManager &PM, bool Fast) { PM.add(createX86FloatingPointStackifierPass()); + return true; // -print-machineinstr should print after this. +} - if (PrintMachineCode) - PM.add(createMachineFunctionPrinterPass(&std::cerr)); - - // Insert prolog/epilog code. Eliminate abstract frame index references... - PM.add(createPrologEpilogCodeInserter()); +bool X86TargetMachine::addAssemblyEmitter(FunctionPassManager &PM, bool Fast, + std::ostream &Out) { + PM.add(createX86CodePrinterPass(Out, *this)); + return false; +} - if (PrintMachineCode) // Print the register-allocated code - PM.add(createX86CodePrinterPass(std::cerr, TM)); +bool X86TargetMachine::addObjectWriter(FunctionPassManager &PM, bool Fast, + std::ostream &Out) { + if (Subtarget.isTargetELF()) { + addX86ELFObjectWriterPass(PM, Out, *this); + return false; + } + return true; } -bool X86TargetMachine::addPassesToEmitMachineCode(FunctionPassManager &PM, - MachineCodeEmitter &MCE) { +bool X86TargetMachine::addCodeEmitter(FunctionPassManager &PM, bool Fast, + MachineCodeEmitter &MCE) { PM.add(createX86CodeEmitterPass(*this, MCE)); - // Delete machine code for this function - PM.add(createMachineCodeDeleter()); return false; } diff --git a/lib/Target/X86/X86TargetMachine.h b/lib/Target/X86/X86TargetMachine.h index 8a76b0e89cd..9b50c7e408d 100644 --- a/lib/Target/X86/X86TargetMachine.h +++ b/lib/Target/X86/X86TargetMachine.h @@ -17,7 +17,6 @@ #include "llvm/Target/TargetMachine.h" #include "llvm/Target/TargetData.h" #include "llvm/Target/TargetFrameInfo.h" -#include "llvm/PassManager.h" #include "X86.h" #include "X86InstrInfo.h" #include "X86JITInfo.h" @@ -26,7 +25,7 @@ namespace llvm { -class X86TargetMachine : public TargetMachine { +class X86TargetMachine : public LLVMTargetMachine { X86Subtarget Subtarget; const TargetData DataLayout; // Calculates type size & alignment TargetFrameInfo FrameInfo; @@ -48,14 +47,19 @@ public: } virtual const TargetData *getTargetData() const { return &DataLayout; } - virtual bool addPassesToEmitMachineCode(FunctionPassManager &PM, - MachineCodeEmitter &MCE); - - virtual bool addPassesToEmitFile(PassManager &PM, std::ostream &Out, - CodeGenFileType FileType, bool Fast); - static unsigned getModuleMatchQuality(const Module &M); static unsigned getJITMatchQuality(); + + + // Set up the pass pipeline. + virtual bool addInstSelector(FunctionPassManager &PM, bool Fast); + virtual bool addPostRegAlloc(FunctionPassManager &PM, bool Fast); + virtual bool addAssemblyEmitter(FunctionPassManager &PM, bool Fast, + std::ostream &Out); + virtual bool addObjectWriter(FunctionPassManager &PM, bool Fast, + std::ostream &Out); + virtual bool addCodeEmitter(FunctionPassManager &PM, bool Fast, + MachineCodeEmitter &MCE); }; } // End llvm namespace diff --git a/tools/llc/llc.cpp b/tools/llc/llc.cpp index 917c826ef8d..cd047924e1e 100644 --- a/tools/llc/llc.cpp +++ b/tools/llc/llc.cpp @@ -101,6 +101,69 @@ GetFileNameRoot(const std::string &InputFilename) { return outputFilename; } +static std::ostream *GetOutputStream(const char *ProgName) { + if (OutputFilename != "") { + if (OutputFilename == "-") + return &std::cout; + + // Specified an output filename? + if (!Force && std::ifstream(OutputFilename.c_str())) { + // If force is not specified, make sure not to overwrite a file! + std::cerr << ProgName << ": error opening '" << OutputFilename + << "': file exists!\n" + << "Use -f command line argument to force output\n"; + return 0; + } + // Make sure that the Out file gets unlinked from the disk if we get a + // SIGINT + sys::RemoveFileOnSignal(sys::Path(OutputFilename)); + + return new std::ofstream(OutputFilename.c_str()); + } + + if (InputFilename == "-") { + OutputFilename = "-"; + return &std::cout; + } + + OutputFilename = GetFileNameRoot(InputFilename); + + switch (FileType) { + case TargetMachine::AssemblyFile: + if (MArch->Name[0] != 'c' || MArch->Name[1] != 0) // not CBE + OutputFilename += ".s"; + else + OutputFilename += ".cbe.c"; + break; + case TargetMachine::ObjectFile: + OutputFilename += ".o"; + break; + case TargetMachine::DynamicLibrary: + OutputFilename += LTDL_SHLIB_EXT; + break; + } + + if (!Force && std::ifstream(OutputFilename.c_str())) { + // If force is not specified, make sure not to overwrite a file! + std::cerr << ProgName << ": error opening '" << OutputFilename + << "': file exists!\n" + << "Use -f command line argument to force output\n"; + return 0; + } + + // Make sure that the Out file gets unlinked from the disk if we get a + // SIGINT + sys::RemoveFileOnSignal(sys::Path(OutputFilename)); + + std::ostream *Out = new std::ofstream(OutputFilename.c_str()); + if (!Out->good()) { + std::cerr << ProgName << ": error opening " << OutputFilename << "!\n"; + delete Out; + return 0; + } + + return Out; +} // main - Entry point for the llc compiler. // @@ -148,91 +211,59 @@ int main(int argc, char **argv) { assert(target.get() && "Could not allocate target machine!"); TargetMachine &Target = *target.get(); - // Build up all of the passes that we want to do to the module... - PassManager Passes; - Passes.add(new TargetData(*Target.getTargetData())); - -#ifndef NDEBUG - if(!NoVerify) - Passes.add(createVerifierPass()); -#endif - // Figure out where we are going to send the output... - std::ostream *Out = 0; - if (OutputFilename != "") { - if (OutputFilename != "-") { - // Specified an output filename? - if (!Force && std::ifstream(OutputFilename.c_str())) { - // If force is not specified, make sure not to overwrite a file! - std::cerr << argv[0] << ": error opening '" << OutputFilename - << "': file exists!\n" - << "Use -f command line argument to force output\n"; - return 1; - } - Out = new std::ofstream(OutputFilename.c_str()); - - // Make sure that the Out file gets unlinked from the disk if we get a - // SIGINT - sys::RemoveFileOnSignal(sys::Path(OutputFilename)); - } else { - Out = &std::cout; + std::ostream *Out = GetOutputStream(argv[0]); + if (Out == 0) return 1; + + // If this target requires addPassesToEmitWholeFile, do it now. This is + // used by strange things like the C backend. + if (Target.WantsWholeFile()) { + PassManager PM; + PM.add(new TargetData(*Target.getTargetData())); + if (!NoVerify) + PM.add(createVerifierPass()); + + // Ask the target to add backend passes as necessary. + if (Target.addPassesToEmitWholeFile(PM, *Out, FileType, Fast)) { + std::cerr << argv[0] << ": target does not support generation of this" + << " file type!\n"; + if (Out != &std::cout) delete Out; + // And the Out file is empty and useless, so remove it now. + sys::Path(OutputFilename).eraseFromDisk(); + return 1; } + PM.run(mod); } else { - if (InputFilename == "-") { - OutputFilename = "-"; - Out = &std::cout; - } else { - OutputFilename = GetFileNameRoot(InputFilename); - - switch (FileType) { - case TargetMachine::AssemblyFile: - if (MArch->Name[0] != 'c' || MArch->Name[1] != 0) // not CBE - OutputFilename += ".s"; - else - OutputFilename += ".cbe.c"; - break; - case TargetMachine::ObjectFile: - OutputFilename += ".o"; - break; - case TargetMachine::DynamicLibrary: - OutputFilename += LTDL_SHLIB_EXT; - break; - } - - if (!Force && std::ifstream(OutputFilename.c_str())) { - // If force is not specified, make sure not to overwrite a file! - std::cerr << argv[0] << ": error opening '" << OutputFilename - << "': file exists!\n" - << "Use -f command line argument to force output\n"; - return 1; - } - - Out = new std::ofstream(OutputFilename.c_str()); - if (!Out->good()) { - std::cerr << argv[0] << ": error opening " << OutputFilename << "!\n"; - delete Out; - return 1; - } - - // Make sure that the Out file gets unlinked from the disk if we get a - // SIGINT - sys::RemoveFileOnSignal(sys::Path(OutputFilename)); + // Build up all of the passes that we want to do to the module. + FunctionPassManager Passes(new ExistingModuleProvider(M.get())); + Passes.add(new TargetData(*Target.getTargetData())); + +#ifndef NDEBUG + if (!NoVerify) + Passes.add(createVerifierPass()); +#endif + + // Ask the target to add backend passes as necessary. + if (Target.addPassesToEmitFile(Passes, *Out, FileType, Fast)) { + std::cerr << argv[0] << ": target does not support generation of this" + << " file type!\n"; + if (Out != &std::cout) delete Out; + // And the Out file is empty and useless, so remove it now. + sys::Path(OutputFilename).eraseFromDisk(); + return 1; } - } - - // Ask the target to add backend passes as necessary. - if (Target.addPassesToEmitFile(Passes, *Out, FileType, Fast)) { - std::cerr << argv[0] << ": target does not support generation of this" - << " file type!\n"; - if (Out != &std::cout) delete Out; - // And the Out file is empty and useless, so remove it now. - sys::Path(OutputFilename).eraseFromDisk(); - return 1; - } else { + + Passes.doInitialization(); + // Run our queue of passes all at once now, efficiently. - Passes.run(*M.get()); + // TODO: this could lazily stream functions out of the module. + for (Module::iterator I = mod.begin(), E = mod.end(); I != E; ++I) + if (!I->isExternal()) + Passes.run(*I); + + Passes.doFinalization(); } - + // Delete the ostream if it's not a stdout stream if (Out != &std::cout) delete Out; -- 2.34.1