Import prebuilt clang toolchain for linux.
diff --git a/linux-x64/clang/include/llvm/CodeGen/PseudoSourceValue.h b/linux-x64/clang/include/llvm/CodeGen/PseudoSourceValue.h
new file mode 100644
index 0000000..bdf0bb7
--- /dev/null
+++ b/linux-x64/clang/include/llvm/CodeGen/PseudoSourceValue.h
@@ -0,0 +1,198 @@
+//===-- llvm/CodeGen/PseudoSourceValue.h ------------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file contains the declaration of the PseudoSourceValue class.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CODEGEN_PSEUDOSOURCEVALUE_H
+#define LLVM_CODEGEN_PSEUDOSOURCEVALUE_H
+
+#include "llvm/ADT/StringMap.h"
+#include "llvm/IR/GlobalValue.h"
+#include "llvm/IR/Value.h"
+#include "llvm/IR/ValueMap.h"
+#include <map>
+
+namespace llvm {
+
+class MachineFrameInfo;
+class MachineMemOperand;
+class raw_ostream;
+class TargetInstrInfo;
+
+raw_ostream &operator<<(raw_ostream &OS, const MachineMemOperand &MMO);
+class PseudoSourceValue;
+raw_ostream &operator<<(raw_ostream &OS, const PseudoSourceValue* PSV);
+
+/// Special value supplied for machine level alias analysis. It indicates that
+/// a memory access references the functions stack frame (e.g., a spill slot),
+/// below the stack frame (e.g., argument space), or constant pool.
+class PseudoSourceValue {
+public:
+ enum PSVKind {
+ Stack,
+ GOT,
+ JumpTable,
+ ConstantPool,
+ FixedStack,
+ GlobalValueCallEntry,
+ ExternalSymbolCallEntry,
+ TargetCustom
+ };
+
+private:
+ PSVKind Kind;
+ unsigned AddressSpace;
+ friend raw_ostream &llvm::operator<<(raw_ostream &OS,
+ const PseudoSourceValue* PSV);
+
+ friend class MachineMemOperand; // For printCustom().
+
+ /// Implement printing for PseudoSourceValue. This is called from
+ /// Value::print or Value's operator<<.
+ virtual void printCustom(raw_ostream &O) const;
+
+public:
+ explicit PseudoSourceValue(PSVKind Kind, const TargetInstrInfo &TII);
+
+ virtual ~PseudoSourceValue();
+
+ PSVKind kind() const { return Kind; }
+
+ bool isStack() const { return Kind == Stack; }
+ bool isGOT() const { return Kind == GOT; }
+ bool isConstantPool() const { return Kind == ConstantPool; }
+ bool isJumpTable() const { return Kind == JumpTable; }
+
+ unsigned getAddressSpace() const { return AddressSpace; }
+
+ unsigned getTargetCustom() const {
+ return (Kind >= TargetCustom) ? ((Kind+1) - TargetCustom) : 0;
+ }
+
+ /// Test whether the memory pointed to by this PseudoSourceValue has a
+ /// constant value.
+ virtual bool isConstant(const MachineFrameInfo *) const;
+
+ /// Test whether the memory pointed to by this PseudoSourceValue may also be
+ /// pointed to by an LLVM IR Value.
+ virtual bool isAliased(const MachineFrameInfo *) const;
+
+ /// Return true if the memory pointed to by this PseudoSourceValue can ever
+ /// alias an LLVM IR Value.
+ virtual bool mayAlias(const MachineFrameInfo *) const;
+};
+
+/// A specialized PseudoSourceValue for holding FixedStack values, which must
+/// include a frame index.
+class FixedStackPseudoSourceValue : public PseudoSourceValue {
+ const int FI;
+
+public:
+ explicit FixedStackPseudoSourceValue(int FI, const TargetInstrInfo &TII)
+ : PseudoSourceValue(FixedStack, TII), FI(FI) {}
+
+ static bool classof(const PseudoSourceValue *V) {
+ return V->kind() == FixedStack;
+ }
+
+ bool isConstant(const MachineFrameInfo *MFI) const override;
+
+ bool isAliased(const MachineFrameInfo *MFI) const override;
+
+ bool mayAlias(const MachineFrameInfo *) const override;
+
+ void printCustom(raw_ostream &OS) const override;
+
+ int getFrameIndex() const { return FI; }
+};
+
+class CallEntryPseudoSourceValue : public PseudoSourceValue {
+protected:
+ CallEntryPseudoSourceValue(PSVKind Kind, const TargetInstrInfo &TII);
+
+public:
+ bool isConstant(const MachineFrameInfo *) const override;
+ bool isAliased(const MachineFrameInfo *) const override;
+ bool mayAlias(const MachineFrameInfo *) const override;
+};
+
+/// A specialized pseudo soruce value for holding GlobalValue values.
+class GlobalValuePseudoSourceValue : public CallEntryPseudoSourceValue {
+ const GlobalValue *GV;
+
+public:
+ GlobalValuePseudoSourceValue(const GlobalValue *GV,
+ const TargetInstrInfo &TII);
+
+ static bool classof(const PseudoSourceValue *V) {
+ return V->kind() == GlobalValueCallEntry;
+ }
+
+ const GlobalValue *getValue() const { return GV; }
+};
+
+/// A specialized pseudo source value for holding external symbol values.
+class ExternalSymbolPseudoSourceValue : public CallEntryPseudoSourceValue {
+ const char *ES;
+
+public:
+ ExternalSymbolPseudoSourceValue(const char *ES, const TargetInstrInfo &TII);
+
+ static bool classof(const PseudoSourceValue *V) {
+ return V->kind() == ExternalSymbolCallEntry;
+ }
+
+ const char *getSymbol() const { return ES; }
+};
+
+/// Manages creation of pseudo source values.
+class PseudoSourceValueManager {
+ const TargetInstrInfo &TII;
+ const PseudoSourceValue StackPSV, GOTPSV, JumpTablePSV, ConstantPoolPSV;
+ std::map<int, std::unique_ptr<FixedStackPseudoSourceValue>> FSValues;
+ StringMap<std::unique_ptr<const ExternalSymbolPseudoSourceValue>>
+ ExternalCallEntries;
+ ValueMap<const GlobalValue *,
+ std::unique_ptr<const GlobalValuePseudoSourceValue>>
+ GlobalCallEntries;
+
+public:
+ PseudoSourceValueManager(const TargetInstrInfo &TII);
+
+ /// Return a pseudo source value referencing the area below the stack frame of
+ /// a function, e.g., the argument space.
+ const PseudoSourceValue *getStack();
+
+ /// Return a pseudo source value referencing the global offset table
+ /// (or something the like).
+ const PseudoSourceValue *getGOT();
+
+ /// Return a pseudo source value referencing the constant pool. Since constant
+ /// pools are constant, this doesn't need to identify a specific constant
+ /// pool entry.
+ const PseudoSourceValue *getConstantPool();
+
+ /// Return a pseudo source value referencing a jump table. Since jump tables
+ /// are constant, this doesn't need to identify a specific jump table.
+ const PseudoSourceValue *getJumpTable();
+
+ /// Return a pseudo source value referencing a fixed stack frame entry,
+ /// e.g., a spill slot.
+ const PseudoSourceValue *getFixedStack(int FI);
+
+ const PseudoSourceValue *getGlobalValueCallEntry(const GlobalValue *GV);
+
+ const PseudoSourceValue *getExternalSymbolCallEntry(const char *ES);
+};
+
+} // end namespace llvm
+
+#endif