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Shrink the size of CodeGenInstruction a little bit by using bitfields. 32 bools seemed excessive.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200829 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Craig Topper 2014-02-05 09:10:40 +00:00
parent 49d687d58f
commit 51dd765139
2 changed files with 39 additions and 36 deletions
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11
utils/TableGen/CodeGenInstruction.cpp
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@ -315,10 +315,13 @@ CodeGenInstruction::CodeGenInstruction(Record *R)
hasCtrlDep = R->getValueAsBit("hasCtrlDep");
isNotDuplicable = R->getValueAsBit("isNotDuplicable");
mayLoad = R->getValueAsBitOrUnset("mayLoad", mayLoad_Unset);
mayStore = R->getValueAsBitOrUnset("mayStore", mayStore_Unset);
hasSideEffects = R->getValueAsBitOrUnset("hasSideEffects",
hasSideEffects_Unset);
bool Unset;
mayLoad = R->getValueAsBitOrUnset("mayLoad", Unset);
mayLoad_Unset = Unset;
mayStore = R->getValueAsBitOrUnset("mayStore", Unset);
mayStore_Unset = Unset;
hasSideEffects = R->getValueAsBitOrUnset("hasSideEffects", Unset);
hasSideEffects_Unset = Unset;
neverHasSideEffects = R->getValueAsBit("neverHasSideEffects");
isAsCheapAsAMove = R->getValueAsBit("isAsCheapAsAMove");

64
utils/TableGen/CodeGenInstruction.h
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@ -215,38 +215,38 @@ namespace llvm {
std::vector<Record*> ImplicitDefs, ImplicitUses;
// Various boolean values we track for the instruction.
bool isReturn;
bool isBranch;
bool isIndirectBranch;
bool isCompare;
bool isMoveImm;
bool isBitcast;
bool isSelect;
bool isBarrier;
bool isCall;
bool canFoldAsLoad;
bool mayLoad;
bool mayLoad_Unset;
bool mayStore;
bool mayStore_Unset;
bool isPredicable;
bool isConvertibleToThreeAddress;
bool isCommutable;
bool isTerminator;
bool isReMaterializable;
bool hasDelaySlot;
bool usesCustomInserter;
bool hasPostISelHook;
bool hasCtrlDep;
bool isNotDuplicable;
bool hasSideEffects;
bool hasSideEffects_Unset;
bool neverHasSideEffects;
bool isAsCheapAsAMove;
bool hasExtraSrcRegAllocReq;
bool hasExtraDefRegAllocReq;
bool isCodeGenOnly;
bool isPseudo;
bool isReturn : 1;
bool isBranch : 1;
bool isIndirectBranch : 1;
bool isCompare : 1;
bool isMoveImm : 1;
bool isBitcast : 1;
bool isSelect : 1;
bool isBarrier : 1;
bool isCall : 1;
bool canFoldAsLoad : 1;
bool mayLoad : 1;
bool mayLoad_Unset : 1;
bool mayStore : 1;
bool mayStore_Unset : 1;
bool isPredicable : 1;
bool isConvertibleToThreeAddress : 1;
bool isCommutable : 1;
bool isTerminator : 1;
bool isReMaterializable : 1;
bool hasDelaySlot : 1;
bool usesCustomInserter : 1;
bool hasPostISelHook : 1;
bool hasCtrlDep : 1;
bool isNotDuplicable : 1;
bool hasSideEffects : 1;
bool hasSideEffects_Unset : 1;
bool neverHasSideEffects : 1;
bool isAsCheapAsAMove : 1;
bool hasExtraSrcRegAllocReq : 1;
bool hasExtraDefRegAllocReq : 1;
bool isCodeGenOnly : 1;
bool isPseudo : 1;
std::string DeprecatedReason;
bool HasComplexDeprecationPredicate;