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;
38 StringRef getGPUName(const Function &F) const;
39 StringRef getFeatureString(const Function &F) const;
42 static bool EnableLateStructurizeCFG;
43 static bool EnableFunctionCalls;
45 AMDGPUTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
46 StringRef FS, TargetOptions Options,
47 Optional<Reloc::Model> RM, Optional<CodeModel::Model> CM,
48 CodeGenOpt::Level OL);
49 ~AMDGPUTargetMachine() override;
51 const TargetSubtargetInfo *getSubtargetImpl() const;
52 const TargetSubtargetInfo *getSubtargetImpl(const Function &) const override = 0;
54 TargetLoweringObjectFile *getObjFileLowering() const override {
58 void adjustPassManager(PassManagerBuilder &) override;
60 /// Get the integer value of a null pointer in the given address space.
61 uint64_t getNullPointerValue(unsigned AddrSpace) const {
62 return (AddrSpace == AMDGPUAS::LOCAL_ADDRESS ||
63 AddrSpace == AMDGPUAS::REGION_ADDRESS) ? -1 : 0;
67 //===----------------------------------------------------------------------===//
68 // R600 Target Machine (R600 -> Cayman)
69 //===----------------------------------------------------------------------===//
71 class R600TargetMachine final : public AMDGPUTargetMachine {
73 mutable StringMap<std::unique_ptr<R600Subtarget>> SubtargetMap;
76 R600TargetMachine(const Target &T, const Triple &TT, StringRef CPU,
77 StringRef FS, TargetOptions Options,
78 Optional<Reloc::Model> RM, Optional<CodeModel::Model> CM,
79 CodeGenOpt::Level OL, bool JIT);
81 TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
83 const R600Subtarget *getSubtargetImpl(const Function &) const override;
85 TargetTransformInfo getTargetTransformInfo(const Function &F) override;
87 bool isMachineVerifierClean() const override {
92 //===----------------------------------------------------------------------===//
93 // GCN Target Machine (SI+)
94 //===----------------------------------------------------------------------===//
96 class GCNTargetMachine final : public AMDGPUTargetMachine {
98 AMDGPUIntrinsicInfo IntrinsicInfo;
99 mutable StringMap<std::unique_ptr<GCNSubtarget>> SubtargetMap;
102 GCNTargetMachine(const Target &T, const Triple &TT, StringRef CPU,
103 StringRef FS, TargetOptions Options,
104 Optional<Reloc::Model> RM, Optional<CodeModel::Model> CM,
105 CodeGenOpt::Level OL, bool JIT);
107 TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
109 const GCNSubtarget *getSubtargetImpl(const Function &) const override;
111 TargetTransformInfo getTargetTransformInfo(const Function &F) override;
113 const AMDGPUIntrinsicInfo *getIntrinsicInfo() const override {
114 return &IntrinsicInfo;
117 bool useIPRA() const override {
122 } // end namespace llvm
124 #endif // LLVM_LIB_TARGET_AMDGPU_AMDGPUTARGETMACHINE_H