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[CodeGenPrepare] Compress a pair. No functional change.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243759 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Benjamin Kramer 2015-07-31 17:00:39 +00:00
parent 8ae0800ae1
commit 3973e4b71b
1 changed files with 3 additions and 7 deletions
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10
lib/CodeGen/CodeGenPrepare.cpp
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@ -109,11 +109,7 @@ static cl::opt<bool> StressExtLdPromotion(
namespace {
typedef SmallPtrSet<Instruction *, 16> SetOfInstrs;
struct TypeIsSExt {
Type *Ty;
bool IsSExt;
TypeIsSExt(Type *Ty, bool IsSExt) : Ty(Ty), IsSExt(IsSExt) {}
};
typedef PointerIntPair<Type *, 1, bool> TypeIsSExt;
typedef DenseMap<Instruction *, TypeIsSExt> InstrToOrigTy;
class TypePromotionTransaction;
@ -2433,8 +2429,8 @@ bool TypePromotionHelper::canGetThrough(const Instruction *Inst,
// #1 get the type of the operand and check the kind of the extended bits.
const Type *OpndType;
InstrToOrigTy::const_iterator It = PromotedInsts.find(Opnd);
if (It != PromotedInsts.end() && It->second.IsSExt == IsSExt)
OpndType = It->second.Ty;
if (It != PromotedInsts.end() && It->second.getInt() == IsSExt)
OpndType = It->second.getPointer();
else if ((IsSExt && isa<SExtInst>(Opnd)) || (!IsSExt && isa<ZExtInst>(Opnd)))
OpndType = Opnd->getOperand(0)->getType();
else