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Implement loading and storing of APInt values from memory.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34874 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -425,7 +425,7 @@ GenericValue ExecutionEngine::getConstantValue(const Constant *C) {
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else if (BitWidth <= 64)
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Result.Int64Val = (uint64_t )cast<ConstantInt>(C)->getZExtValue();
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else
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assert(0 && "Integers with > 64-bits not implemented");
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Result.APIntVal = const_cast<APInt*>(&cast<ConstantInt>(C)->getValue());
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break;
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}
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@ -481,8 +481,12 @@ void ExecutionEngine::StoreValueToMemory(GenericValue Val, GenericValue *Ptr,
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Ptr->Untyped[5] = (unsigned char)(TmpVal.Int64Val >> 40);
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Ptr->Untyped[6] = (unsigned char)(TmpVal.Int64Val >> 48);
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Ptr->Untyped[7] = (unsigned char)(TmpVal.Int64Val >> 56);
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} else
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assert(0 && "Integer types > 64 bits not supported");
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} else {
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uint64_t *Dest = (uint64_t*)Ptr;
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const uint64_t *Src = Val.APIntVal->getRawData();
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for (uint32_t i = 0; i < Val.APIntVal->getNumWords(); ++i)
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Dest[i] = Src[i];
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}
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break;
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}
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Store4BytesLittleEndian:
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@ -537,8 +541,12 @@ Store4BytesLittleEndian:
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Ptr->Untyped[2] = (unsigned char)(TmpVal.Int64Val >> 40);
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Ptr->Untyped[1] = (unsigned char)(TmpVal.Int64Val >> 48);
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Ptr->Untyped[0] = (unsigned char)(TmpVal.Int64Val >> 56);
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} else
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assert(0 && "Integer types > 64 bits not supported");
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} else {
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uint64_t *Dest = (uint64_t*)Ptr;
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const uint64_t *Src = Val.APIntVal->getRawData();
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for (uint32_t i = 0; i < Val.APIntVal->getNumWords(); ++i)
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Dest[i] = Src[i];
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}
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break;
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}
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Store4BytesBigEndian:
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@ -597,7 +605,7 @@ GenericValue ExecutionEngine::LoadValueFromMemory(GenericValue *Ptr,
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((uint64_t)Ptr->Untyped[6] << 48) |
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((uint64_t)Ptr->Untyped[7] << 56);
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} else
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assert(0 && "Integer types > 64 bits not supported");
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Result.APIntVal = new APInt(BitWidth, BitWidth/64, (uint64_t*)Ptr);
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break;
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}
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Load4BytesLittleEndian:
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@ -628,7 +636,7 @@ GenericValue ExecutionEngine::LoadValueFromMemory(GenericValue *Ptr,
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} else {
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switch (Ty->getTypeID()) {
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case Type::IntegerTyID: {
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unsigned BitWidth = cast<IntegerType>(Ty)->getBitWidth();
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uint32_t BitWidth = cast<IntegerType>(Ty)->getBitWidth();
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if (BitWidth <= 8)
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Result.Int8Val = Ptr->Untyped[0];
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else if (BitWidth <= 16) {
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@ -649,7 +657,7 @@ GenericValue ExecutionEngine::LoadValueFromMemory(GenericValue *Ptr,
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((uint64_t)Ptr->Untyped[1] << 48) |
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((uint64_t)Ptr->Untyped[0] << 56);
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} else
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assert(0 && "Integer types > 64 bits not supported");
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Result.APIntVal = new APInt(BitWidth, BitWidth/64, (uint64_t*)Ptr);
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break;
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}
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Load4BytesBigEndian:
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