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Add Subtarget support to PowerPC. Next up, using it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22644 91177308-0d34-0410-b5e6-96231b3b80d8
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54
lib/Target/PowerPC/PPCSubtarget.cpp
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54
lib/Target/PowerPC/PPCSubtarget.cpp
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//===- PowerPCSubtarget.cpp - PPC Subtarget Information ---------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file was developed by Nate Begeman and is distributed under the
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// University of Illinois Open Source License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements the PPC specific subclass of TargetSubtarget.
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//
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//===----------------------------------------------------------------------===//
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#include "PowerPCSubtarget.h"
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#include "llvm/Module.h"
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#if defined(__APPLE__)
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#include <mach/mach.h>
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#include <mach/mach_host.h>
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#include <mach/host_info.h>
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#include <mach/machine.h>
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static boolean_t IsGP() {
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host_basic_info_data_t hostInfo;
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mach_msg_type_number_t infoCount;
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infoCount = HOST_BASIC_INFO_COUNT;
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host_info(mach_host_self(), HOST_BASIC_INFO, (host_info_t)&hostInfo,
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&infoCount);
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return ((hostInfo.cpu_type == CPU_TYPE_POWERPC) &&
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(hostInfo.cpu_subtype == CPU_SUBTYPE_POWERPC_970));
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}
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#endif
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using namespace llvm;
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PPCSubtarget::PPCSubtarget(const Module &M)
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: TargetSubtarget(), stackAlignment(16), isGigaProcessor(false), isAIX(false),
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isDarwin(false) {
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// Set the boolean corresponding to the current target triple, or the default
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// if one cannot be determined, to true.
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const std::string& TT = M.getTargetTriple();
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if (TT.length() > 5) {
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isDarwin = TT.find("darwin") != std::string::npos;
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} else if (TT.empty()) {
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#if defined(_POWER)
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isAIX = true;
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#elif defined(__APPLE__)
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isDarwin = true;
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isGigaProcessor = IsGP();
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#endif
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}
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}
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48
lib/Target/PowerPC/PPCSubtarget.h
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lib/Target/PowerPC/PPCSubtarget.h
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//=====-- PowerPCSubtarget.h - Define Subtarget for the PPC ---*- C++ -*--====//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file was developed by Nate Begeman and is distributed under the
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// University of Illinois Open Source License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file declares the X86 specific subclass of TargetSubtarget.
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//
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//===----------------------------------------------------------------------===//
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#ifndef POWERPCSUBTARGET_H
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#define POWERPCSUBTARGET_H
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#include "llvm/Target/TargetSubtarget.h"
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namespace llvm {
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class Module;
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class PPCSubtarget : public TargetSubtarget {
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protected:
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/// stackAlignment - The minimum alignment known to hold of the stack frame on
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/// entry to the function and which must be maintained by every function.
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unsigned stackAlignment;
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/// Used by the ISel to turn in optimizations for POWER4-derived architectures
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bool isGigaProcessor;
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bool isAIX;
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bool isDarwin;
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public:
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/// This constructor initializes the data members to match that
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/// of the specified module.
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///
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PPCSubtarget(const Module &M);
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/// getStackAlignment - Returns the minimum alignment known to hold of the
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/// stack frame on entry to the function and which must be maintained by every
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/// function for this subtarget.
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unsigned getStackAlignment() const { return stackAlignment; }
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bool IsAIX() const { return isAIX; }
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bool IsDarwin() const { return isDarwin; }
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};
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} // End llvm namespace
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#endif
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@ -59,10 +59,10 @@ namespace {
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PowerPCTargetMachine::PowerPCTargetMachine(const std::string &name,
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PowerPCTargetMachine::PowerPCTargetMachine(const std::string &name,
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IntrinsicLowering *IL,
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IntrinsicLowering *IL,
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const Module &M,
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const TargetData &TD,
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const TargetData &TD,
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const PowerPCFrameInfo &TFI)
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const PowerPCFrameInfo &TFI)
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: TargetMachine(name, IL, TD), FrameInfo(TFI)
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: TargetMachine(name, IL, TD), FrameInfo(TFI), Subtarget(M) {}
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{}
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unsigned PPC32TargetMachine::getJITMatchQuality() {
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unsigned PPC32TargetMachine::getJITMatchQuality() {
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#if defined(__POWERPC__) || defined (__ppc__) || defined(_POWER)
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#if defined(__POWERPC__) || defined (__ppc__) || defined(_POWER)
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@ -177,14 +177,14 @@ void PowerPCJITInfo::addPassesToJITCompile(FunctionPassManager &PM) {
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/// PowerPCTargetMachine ctor - Create an ILP32 architecture model
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/// PowerPCTargetMachine ctor - Create an ILP32 architecture model
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///
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///
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PPC32TargetMachine::PPC32TargetMachine(const Module &M, IntrinsicLowering *IL)
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PPC32TargetMachine::PPC32TargetMachine(const Module &M, IntrinsicLowering *IL)
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: PowerPCTargetMachine(PPC32ID, IL,
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: PowerPCTargetMachine(PPC32ID, IL, M,
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TargetData(PPC32ID,false,4,4,4,4,4,4,2,1,1),
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TargetData(PPC32ID,false,4,4,4,4,4,4,2,1,1),
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PowerPCFrameInfo(*this, false)), JITInfo(*this) {}
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PowerPCFrameInfo(*this, false)), JITInfo(*this) {}
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/// PPC64TargetMachine ctor - Create a LP64 architecture model
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/// PPC64TargetMachine ctor - Create a LP64 architecture model
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///
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///
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PPC64TargetMachine::PPC64TargetMachine(const Module &M, IntrinsicLowering *IL)
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PPC64TargetMachine::PPC64TargetMachine(const Module &M, IntrinsicLowering *IL)
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: PowerPCTargetMachine(PPC64ID, IL,
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: PowerPCTargetMachine(PPC64ID, IL, M,
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TargetData(PPC64ID,false,8,4,4,4,4,4,2,1,1),
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TargetData(PPC64ID,false,8,4,4,4,4,4,2,1,1),
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PowerPCFrameInfo(*this, true)) {}
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PowerPCFrameInfo(*this, true)) {}
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#ifndef POWERPC_TARGETMACHINE_H
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#ifndef POWERPC_TARGETMACHINE_H
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#define POWERPC_TARGETMACHINE_H
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#define POWERPC_TARGETMACHINE_H
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#include "PowerPCFrameInfo.h"
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#include "llvm/Target/TargetMachine.h"
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#include "llvm/Target/TargetMachine.h"
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#include "llvm/Target/TargetFrameInfo.h"
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#include "llvm/PassManager.h"
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#include "llvm/PassManager.h"
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#include "PowerPCFrameInfo.h"
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#include "PowerPCSubtarget.h"
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namespace llvm {
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namespace llvm {
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@ -24,13 +26,15 @@ class GlobalValue;
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class IntrinsicLowering;
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class IntrinsicLowering;
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class PowerPCTargetMachine : public TargetMachine {
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class PowerPCTargetMachine : public TargetMachine {
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PowerPCFrameInfo FrameInfo;
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PowerPCFrameInfo FrameInfo;
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PPCSubtarget Subtarget;
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protected:
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protected:
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PowerPCTargetMachine(const std::string &name, IntrinsicLowering *IL,
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PowerPCTargetMachine(const std::string &name, IntrinsicLowering *IL,
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const TargetData &TD, const PowerPCFrameInfo &TFI);
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const Module &M, const TargetData &TD,
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const PowerPCFrameInfo &TFI);
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public:
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public:
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virtual const TargetFrameInfo *getFrameInfo() const { return &FrameInfo; }
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virtual const TargetFrameInfo *getFrameInfo() const { return &FrameInfo; }
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virtual const TargetSubtarget *getSubtargetImpl() const{ return &Subtarget; }
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virtual bool addPassesToEmitFile(PassManager &PM, std::ostream &Out,
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virtual bool addPassesToEmitFile(PassManager &PM, std::ostream &Out,
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CodeGenFileType FileType);
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CodeGenFileType FileType);
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//===- X86Subtarget.cpp - X86 Instruction Information -----------*- C++ -*-===//
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//===-- X86Subtarget.cpp - X86 Subtarget Information ------------*- C++ -*-===//
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//
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//
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// The LLVM Compiler Infrastructure
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// The LLVM Compiler Infrastructure
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//
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//
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//=====-- X86Subtarget.h - Define TargetMachine for the X86 ---*- C++ -*--====//
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//=====---- X86Subtarget.h - Define Subtarget for the X86 -----*- C++ -*--====//
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//
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//
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// The LLVM Compiler Infrastructure
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// The LLVM Compiler Infrastructure
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//
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//
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