diff options
Diffstat (limited to 'lib/Bitcode/Reader/BitcodeReader.cpp')
-rw-r--r-- | lib/Bitcode/Reader/BitcodeReader.cpp | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/lib/Bitcode/Reader/BitcodeReader.cpp b/lib/Bitcode/Reader/BitcodeReader.cpp index c12a95ecfe..672acd3dae 100644 --- a/lib/Bitcode/Reader/BitcodeReader.cpp +++ b/lib/Bitcode/Reader/BitcodeReader.cpp @@ -1121,6 +1121,65 @@ bool BitcodeReader::ParseConstants() { V = ConstantArray::get(ATy, Elts); break; } + case bitc::CST_CODE_DATA: {// DATA: [n x value] + if (Record.empty()) + return Error("Invalid CST_DATA record"); + + Type *EltTy = cast<SequentialType>(CurTy)->getElementType(); + unsigned Size = Record.size(); + + if (EltTy->isIntegerTy(8)) { + SmallVector<uint8_t, 16> Elts(Record.begin(), Record.end()); + if (isa<VectorType>(CurTy)) + V = ConstantDataVector::get(Context, Elts); + else + V = ConstantDataArray::get(Context, Elts); + } else if (EltTy->isIntegerTy(16)) { + SmallVector<uint16_t, 16> Elts(Record.begin(), Record.end()); + if (isa<VectorType>(CurTy)) + V = ConstantDataVector::get(Context, Elts); + else + V = ConstantDataArray::get(Context, Elts); + } else if (EltTy->isIntegerTy(32)) { + SmallVector<uint32_t, 16> Elts(Record.begin(), Record.end()); + if (isa<VectorType>(CurTy)) + V = ConstantDataVector::get(Context, Elts); + else + V = ConstantDataArray::get(Context, Elts); + } else if (EltTy->isIntegerTy(64)) { + SmallVector<uint64_t, 16> Elts(Record.begin(), Record.end()); + if (isa<VectorType>(CurTy)) + V = ConstantDataVector::get(Context, Elts); + else + V = ConstantDataArray::get(Context, Elts); + } else if (EltTy->isFloatTy()) { + SmallVector<float, 16> Elts; + for (unsigned i = 0; i != Size; ++i) { + union { uint32_t I; float F; }; + I = Record[i]; + Elts.push_back(F); + } + if (isa<VectorType>(CurTy)) + V = ConstantDataVector::get(Context, Elts); + else + V = ConstantDataArray::get(Context, Elts); + } else if (EltTy->isDoubleTy()) { + SmallVector<double, 16> Elts; + for (unsigned i = 0; i != Size; ++i) { + union { uint64_t I; double F; }; + I = Record[i]; + Elts.push_back(F); + } + if (isa<VectorType>(CurTy)) + V = ConstantDataVector::get(Context, Elts); + else + V = ConstantDataArray::get(Context, Elts); + } else { + return Error("Unknown element type in CE_DATA"); + } + break; + } + case bitc::CST_CODE_CE_BINOP: { // CE_BINOP: [opcode, opval, opval] if (Record.size() < 3) return Error("Invalid CE_BINOP record"); int Opc = GetDecodedBinaryOpcode(Record[0], CurTy); |