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 /// 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;
39 StringRef getGPUName(const Function &F) const;
40 StringRef getFeatureString(const Function &F) const;
43 static bool EnableLateStructurizeCFG;
44 static bool EnableFunctionCalls;
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 TargetSubtargetInfo *getSubtargetImpl() const;
53 const TargetSubtargetInfo *getSubtargetImpl(const Function &) const override = 0;
55 TargetLoweringObjectFile *getObjFileLowering() const override {
58 AMDGPUAS getAMDGPUAS() const {
62 void adjustPassManager(PassManagerBuilder &) override;
63 /// Get the integer value of a null pointer in the given address space.
64 uint64_t getNullPointerValue(unsigned AddrSpace) const {
65 if (AddrSpace == AS.LOCAL_ADDRESS || AddrSpace == AS.REGION_ADDRESS)
71 //===----------------------------------------------------------------------===//
72 // R600 Target Machine (R600 -> Cayman)
73 //===----------------------------------------------------------------------===//
75 class R600TargetMachine final : public AMDGPUTargetMachine {
77 mutable StringMap<std::unique_ptr<R600Subtarget>> SubtargetMap;
80 R600TargetMachine(const Target &T, const Triple &TT, StringRef CPU,
81 StringRef FS, TargetOptions Options,
82 Optional<Reloc::Model> RM, Optional<CodeModel::Model> CM,
83 CodeGenOpt::Level OL, bool JIT);
85 TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
87 const R600Subtarget *getSubtargetImpl(const Function &) const override;
89 TargetTransformInfo getTargetTransformInfo(const Function &F) override;
91 bool isMachineVerifierClean() const override {
96 //===----------------------------------------------------------------------===//
97 // GCN Target Machine (SI+)
98 //===----------------------------------------------------------------------===//
100 class GCNTargetMachine final : public AMDGPUTargetMachine {
102 AMDGPUIntrinsicInfo IntrinsicInfo;
103 mutable StringMap<std::unique_ptr<GCNSubtarget>> SubtargetMap;
106 GCNTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
107 StringRef FS, TargetOptions Options,
108 Optional<Reloc::Model> RM, Optional<CodeModel::Model> CM,
109 CodeGenOpt::Level OL, bool JIT);
111 TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
113 const GCNSubtarget *getSubtargetImpl(const Function &) const override;
115 TargetTransformInfo getTargetTransformInfo(const Function &F) override;
117 const AMDGPUIntrinsicInfo *getIntrinsicInfo() const override {
118 return &IntrinsicInfo;
121 bool useIPRA() const override {
126 } // end namespace llvm
128 #endif // LLVM_LIB_TARGET_AMDGPU_AMDGPUTARGETMACHINE_H