diff options
Diffstat (limited to 'include/llvm/Target/TargetMachine.h')
| -rw-r--r-- | include/llvm/Target/TargetMachine.h | 45 |
1 files changed, 29 insertions, 16 deletions
diff --git a/include/llvm/Target/TargetMachine.h b/include/llvm/Target/TargetMachine.h index ba688b4..8afd71f 100644 --- a/include/llvm/Target/TargetMachine.h +++ b/include/llvm/Target/TargetMachine.h @@ -68,6 +68,19 @@ namespace FileModel { }; } +// Code generation optimization level. +namespace CodeGenOpt { + enum Level { + Default, + None, + One, + Two, + Size, + Aggressive, + LTO + }; +} + //===----------------------------------------------------------------------===// /// /// TargetMachine - Primary interface to the complete machine description for @@ -213,7 +226,7 @@ public: virtual FileModel::Model addPassesToEmitFile(PassManagerBase &, raw_ostream &, CodeGenFileType, - unsigned /* OptLevel */) { + CodeGenOpt::Level) { return FileModel::None; } @@ -223,7 +236,7 @@ public: /// virtual bool addPassesToEmitFileFinish(PassManagerBase &, MachineCodeEmitter *, - unsigned /* OptLevel */) { + CodeGenOpt::Level) { return true; } @@ -235,7 +248,7 @@ public: /// virtual bool addPassesToEmitMachineCode(PassManagerBase &, MachineCodeEmitter &, - unsigned /* OptLevel */) { + CodeGenOpt::Level) { return true; } @@ -245,7 +258,7 @@ public: virtual bool WantsWholeFile() const { return false; } virtual bool addPassesToEmitWholeFile(PassManager &, raw_ostream &, CodeGenFileType, - unsigned /* OptLevel */) { + CodeGenOpt::Level) { return true; } }; @@ -260,13 +273,13 @@ protected: // Can only create subclasses. /// addCommonCodeGenPasses - Add standard LLVM codegen passes used for /// both emitting to assembly files or machine code output. /// - bool addCommonCodeGenPasses(PassManagerBase &, unsigned /* OptLevel */); + bool addCommonCodeGenPasses(PassManagerBase &, CodeGenOpt::Level); 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 OptLevel is 0, the code generator should emit code as fast + /// generation. If OptLevel is None, the code generator should emit code as fast /// as possible, though the generated code may be less efficient. This method /// should return FileModel::Error if emission of this file type is not /// supported. @@ -278,7 +291,7 @@ public: virtual FileModel::Model addPassesToEmitFile(PassManagerBase &PM, raw_ostream &Out, CodeGenFileType FileType, - unsigned OptLevel); + CodeGenOpt::Level); /// addPassesToEmitFileFinish - If the passes to emit the specified file had /// to be split up (e.g., to add an object writer pass), this method can be @@ -286,7 +299,7 @@ public: /// virtual bool addPassesToEmitFileFinish(PassManagerBase &PM, MachineCodeEmitter *MCE, - unsigned OptLevel); + CodeGenOpt::Level); /// addPassesToEmitMachineCode - Add passes to the specified pass manager to /// get machine code emitted. This uses a MachineCodeEmitter object to handle @@ -296,21 +309,21 @@ public: /// virtual bool addPassesToEmitMachineCode(PassManagerBase &PM, MachineCodeEmitter &MCE, - unsigned OptLevel); + CodeGenOpt::Level); /// 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(PassManagerBase &, unsigned /* OptLevel */) { + virtual bool addInstSelector(PassManagerBase &, CodeGenOpt::Level) { return true; } /// addPreRegAllocPasses - This method may be implemented by targets that want /// to run passes immediately before register allocation. This should return /// true if -print-machineinstrs should print after these passes. - virtual bool addPreRegAlloc(PassManagerBase &, unsigned /* OptLevel */) { + virtual bool addPreRegAlloc(PassManagerBase &, CodeGenOpt::Level) { return false; } @@ -318,14 +331,14 @@ public: /// 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(PassManagerBase &, unsigned /* OptLevel */) { + virtual bool addPostRegAlloc(PassManagerBase &, CodeGenOpt::Level) { 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(PassManagerBase &, unsigned /* OptLevel */) { + virtual bool addPreEmitPass(PassManagerBase &, CodeGenOpt::Level) { return false; } @@ -333,7 +346,7 @@ public: /// 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(PassManagerBase &, unsigned /* OptLevel */, + virtual bool addAssemblyEmitter(PassManagerBase &, CodeGenOpt::Level, bool /* VerboseAsmDefault */, raw_ostream &) { return true; } @@ -341,7 +354,7 @@ public: /// 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. If DumpAsm is true, the generated assembly is printed to cerr. - virtual bool addCodeEmitter(PassManagerBase &, unsigned /* OptLevel */, + virtual bool addCodeEmitter(PassManagerBase &, CodeGenOpt::Level, bool /*DumpAsm*/, MachineCodeEmitter &) { return true; } @@ -350,7 +363,7 @@ public: /// a code emitter (without setting flags), if supported. If this is not /// supported, 'true' should be returned. If DumpAsm is true, the generated /// assembly is printed to cerr. - virtual bool addSimpleCodeEmitter(PassManagerBase &, unsigned /* OptLevel */, + virtual bool addSimpleCodeEmitter(PassManagerBase &, CodeGenOpt::Level, bool /*DumpAsm*/, MachineCodeEmitter &) { return true; } |