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Move getSubRegIndex out of generated code into MCRegisterInfo, devirtualize it.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151821 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Benjamin Kramer
2012-03-01 18:16:35 +00:00
parent b5372769eb
commit 4b1212b4bf
3 changed files with 10 additions and 16 deletions
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10
include/llvm/MC/MCRegisterInfo.h
View File

@@ -248,6 +248,16 @@ public:
return *(SubRegIndices + (Reg - 1) * NumSubRegIndices + Idx - 1);
}
/// getSubRegIndex - For a given register pair, return the sub-register index
/// if the second register is a sub-register of the first. Return zero
/// otherwise.
unsigned getSubRegIndex(unsigned RegNo, unsigned SubRegNo) const {
for (unsigned I = 1; I <= NumSubRegIndices; ++I)
if (getSubReg(RegNo, I) == SubRegNo)
return I;
return 0;
}
/// getSuperRegisters - Return the list of registers that are super-registers
/// of the specified register, or a null list of there are none. The list
/// returned is zero terminated and sorted according to super-sub register

5
include/llvm/Target/TargetRegisterInfo.h
View File

@@ -383,11 +383,6 @@ public:
/// used by register scavenger to determine what registers are free.
virtual BitVector getReservedRegs(const MachineFunction &MF) const = 0;
/// getSubRegIndex - For a given register pair, return the sub-register index
/// if the second register is a sub-register of the first. Return zero
/// otherwise.
virtual unsigned getSubRegIndex(unsigned RegNo, unsigned SubRegNo) const = 0;
/// getMatchingSuperReg - Return a super-register of the specified register
/// Reg so its sub-register of index SubIdx is Reg.
unsigned getMatchingSuperReg(unsigned Reg, unsigned SubIdx,