1 //===-- AMDGPUTargetMachine.h - AMDGPU TargetMachine Interface --*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
11 /// \brief The AMDGPU TargetMachine interface definition for hw codgen targets.
13 //===----------------------------------------------------------------------===//
15 #ifndef LLVM_LIB_TARGET_AMDGPU_AMDGPUTARGETMACHINE_H
16 #define LLVM_LIB_TARGET_AMDGPU_AMDGPUTARGETMACHINE_H
18 #include "AMDGPUIntrinsicInfo.h"
19 #include "AMDGPUSubtarget.h"
20 #include "llvm/ADT/Optional.h"
21 #include "llvm/ADT/StringMap.h"
22 #include "llvm/ADT/StringRef.h"
23 #include "llvm/Analysis/TargetTransformInfo.h"
24 #include "llvm/Support/CodeGen.h"
25 #include "llvm/Target/TargetMachine.h"
30 //===----------------------------------------------------------------------===//
31 // AMDGPU Target Machine (R600+)
32 //===----------------------------------------------------------------------===//
34 class AMDGPUTargetMachine : public LLVMTargetMachine {
36 std::unique_ptr<TargetLoweringObjectFile> TLOF;
37 AMDGPUIntrinsicInfo IntrinsicInfo;
40 StringRef getGPUName(const Function &F) const;
41 StringRef getFeatureString(const Function &F) const;
44 static bool EnableLateStructurizeCFG;
46 AMDGPUTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
47 StringRef FS, TargetOptions Options,
48 Optional<Reloc::Model> RM, Optional<CodeModel::Model> CM,
49 CodeGenOpt::Level OL);
50 ~AMDGPUTargetMachine() override;
52 const AMDGPUSubtarget *getSubtargetImpl() const;
53 const AMDGPUSubtarget *getSubtargetImpl(const Function &) const override = 0;
55 const AMDGPUIntrinsicInfo *getIntrinsicInfo() const override {
56 return &IntrinsicInfo;
58 TargetTransformInfo getTargetTransformInfo(const Function &F) override;
60 TargetLoweringObjectFile *getObjFileLowering() const override {
63 AMDGPUAS getAMDGPUAS() const {
67 void adjustPassManager(PassManagerBuilder &) override;
68 /// Get the integer value of a null pointer in the given address space.
69 uint64_t getNullPointerValue(unsigned AddrSpace) const {
70 if (AddrSpace == AS.LOCAL_ADDRESS || AddrSpace == AS.REGION_ADDRESS)
76 //===----------------------------------------------------------------------===//
77 // R600 Target Machine (R600 -> Cayman)
78 //===----------------------------------------------------------------------===//
80 class R600TargetMachine final : public AMDGPUTargetMachine {
82 mutable StringMap<std::unique_ptr<R600Subtarget>> SubtargetMap;
85 R600TargetMachine(const Target &T, const Triple &TT, StringRef CPU,
86 StringRef FS, TargetOptions Options,
87 Optional<Reloc::Model> RM, Optional<CodeModel::Model> CM,
88 CodeGenOpt::Level OL, bool JIT);
90 TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
92 const R600Subtarget *getSubtargetImpl(const Function &) const override;
94 bool isMachineVerifierClean() const override {
99 //===----------------------------------------------------------------------===//
100 // GCN Target Machine (SI+)
101 //===----------------------------------------------------------------------===//
103 class GCNTargetMachine final : public AMDGPUTargetMachine {
105 mutable StringMap<std::unique_ptr<SISubtarget>> SubtargetMap;
108 GCNTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
109 StringRef FS, TargetOptions Options,
110 Optional<Reloc::Model> RM, Optional<CodeModel::Model> CM,
111 CodeGenOpt::Level OL, bool JIT);
113 TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
115 const SISubtarget *getSubtargetImpl(const Function &) const override;
117 bool useIPRA() const override {
122 } // end namespace llvm
124 #endif // LLVM_LIB_TARGET_AMDGPU_AMDGPUTARGETMACHINE_H