diff options
Diffstat (limited to 'include/llvm/Target/TargetRegisterInfo.h')
-rw-r--r-- | include/llvm/Target/TargetRegisterInfo.h | 69 |
1 files changed, 40 insertions, 29 deletions
diff --git a/include/llvm/Target/TargetRegisterInfo.h b/include/llvm/Target/TargetRegisterInfo.h index 3f5daea63ab5..4ce6d2ff5e26 100644 --- a/include/llvm/Target/TargetRegisterInfo.h +++ b/include/llvm/Target/TargetRegisterInfo.h @@ -40,13 +40,12 @@ class TargetRegisterClass { public: typedef const MCPhysReg* iterator; typedef const MCPhysReg* const_iterator; - typedef const MVT::SimpleValueType* vt_iterator; typedef const TargetRegisterClass* const * sc_iterator; // Instance variables filled by tablegen, do not use! const MCRegisterClass *MC; const uint16_t SpillSize, SpillAlignment; - const vt_iterator VTs; + const MVT::SimpleValueType *VTs; const uint32_t *SubClassMask; const uint16_t *SuperRegIndices; const LaneBitmask LaneMask; @@ -93,13 +92,6 @@ public: return MC->contains(Reg1, Reg2); } - /// Return the size of the register in bytes, which is also the size - /// of a stack slot allocated to hold a spilled copy of this register. - unsigned getSize() const { return SpillSize; } - - /// Return the minimum required alignment for a register of this class. - unsigned getAlignment() const { return SpillAlignment; } - /// Return the cost of copying a value between two registers in this class. /// A negative number means the register class is very expensive /// to copy e.g. status flag register classes. @@ -109,26 +101,6 @@ public: /// registers. bool isAllocatable() const { return MC->isAllocatable(); } - /// Return true if this TargetRegisterClass has the ValueType vt. - bool hasType(MVT vt) const { - for(int i = 0; VTs[i] != MVT::Other; ++i) - if (MVT(VTs[i]) == vt) - return true; - return false; - } - - /// vt_begin / vt_end - Loop over all of the value types that can be - /// represented by values in this register class. - vt_iterator vt_begin() const { - return VTs; - } - - vt_iterator vt_end() const { - vt_iterator I = VTs; - while (*I != MVT::Other) ++I; - return I; - } - /// Return true if the specified TargetRegisterClass /// is a proper sub-class of this TargetRegisterClass. bool hasSubClass(const TargetRegisterClass *RC) const { @@ -246,6 +218,7 @@ struct RegClassWeight { class TargetRegisterInfo : public MCRegisterInfo { public: typedef const TargetRegisterClass * const * regclass_iterator; + typedef const MVT::SimpleValueType* vt_iterator; private: const TargetRegisterInfoDesc *InfoDesc; // Extra desc array for codegen const char *const *SubRegIndexNames; // Names of subreg indexes. @@ -327,6 +300,44 @@ public: return Index | (1u << 31); } + /// Return the size in bits of a register from class RC. + unsigned getRegSizeInBits(const TargetRegisterClass &RC) const { + return RC.SpillSize * 8; + } + + /// Return the size in bytes of the stack slot allocated to hold a spilled + /// copy of a register from class RC. + unsigned getSpillSize(const TargetRegisterClass &RC) const { + return RC.SpillSize; + } + + /// Return the minimum required alignment for a spill slot for a register + /// of this class. + unsigned getSpillAlignment(const TargetRegisterClass &RC) const { + return RC.SpillAlignment; + } + + /// Return true if the given TargetRegisterClass has the ValueType T. + bool isTypeLegalForClass(const TargetRegisterClass &RC, MVT T) const { + for (int i = 0; RC.VTs[i] != MVT::Other; ++i) + if (MVT(RC.VTs[i]) == T) + return true; + return false; + } + + /// Loop over all of the value types that can be represented by values + // in the given register class. + vt_iterator legalclasstypes_begin(const TargetRegisterClass &RC) const { + return RC.VTs; + } + + vt_iterator legalclasstypes_end(const TargetRegisterClass &RC) const { + vt_iterator I = RC.VTs; + while (*I != MVT::Other) + ++I; + return I; + } + /// Returns the Register Class of a physical register of the given type, /// picking the most sub register class of the right type that contains this /// physreg. |