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[ms-inline asm] Add support for the nsdialect keyword in the Bitcode
Reader/Writer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163185 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -161,11 +161,14 @@ namespace bitc {
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CST_CODE_CE_INSERTELT = 15, // CE_INSERTELT: [opval, opval, opval]
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CST_CODE_CE_SHUFFLEVEC = 16, // CE_SHUFFLEVEC: [opval, opval, opval]
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CST_CODE_CE_CMP = 17, // CE_CMP: [opty, opval, opval, pred]
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CST_CODE_INLINEASM = 18, // INLINEASM: [sideeffect,asmstr,conststr]
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CST_CODE_INLINEASM_OLD = 18, // INLINEASM: [sideeffect|alignstack,
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// asmstr,conststr]
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CST_CODE_CE_SHUFVEC_EX = 19, // SHUFVEC_EX: [opty, opval, opval, opval]
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CST_CODE_CE_INBOUNDS_GEP = 20,// INBOUNDS_GEP: [n x operands]
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CST_CODE_BLOCKADDRESS = 21, // CST_CODE_BLOCKADDRESS [fnty, fnval, bb#]
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CST_CODE_DATA = 22 // DATA: [n x elements]
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CST_CODE_DATA = 22, // DATA: [n x elements]
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CST_CODE_INLINEASM = 23 // INLINEASM: [sideeffect|alignstack|
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// nsdialect,asmstr,conststr]
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};
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/// CastOpcodes - These are values used in the bitcode files to encode which
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@ -1245,7 +1245,8 @@ bool BitcodeReader::ParseConstants() {
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V = ConstantExpr::getICmp(Record[3], Op0, Op1);
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break;
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}
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case bitc::CST_CODE_INLINEASM: {
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// This maintains backward compatibility, pre-'nsdialect'.
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case bitc::CST_CODE_INLINEASM_OLD: {
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if (Record.size() < 2) return Error("Invalid INLINEASM record");
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std::string AsmStr, ConstrStr;
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bool HasSideEffects = Record[0] & 1;
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@ -1266,6 +1267,30 @@ bool BitcodeReader::ParseConstants() {
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AsmStr, ConstrStr, HasSideEffects, IsAlignStack);
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break;
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}
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// This version adds support for the 'nsdialect' keyword.
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case bitc::CST_CODE_INLINEASM: {
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if (Record.size() < 2) return Error("Invalid INLINEASM record");
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std::string AsmStr, ConstrStr;
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bool HasSideEffects = Record[0] & 1;
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bool IsAlignStack = (Record[0] >> 1) & 1;
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unsigned AsmDialect = Record[0] >> 2;
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unsigned AsmStrSize = Record[1];
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if (2+AsmStrSize >= Record.size())
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return Error("Invalid INLINEASM record");
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unsigned ConstStrSize = Record[2+AsmStrSize];
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if (3+AsmStrSize+ConstStrSize > Record.size())
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return Error("Invalid INLINEASM record");
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for (unsigned i = 0; i != AsmStrSize; ++i)
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AsmStr += (char)Record[2+i];
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for (unsigned i = 0; i != ConstStrSize; ++i)
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ConstrStr += (char)Record[3+AsmStrSize+i];
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PointerType *PTy = cast<PointerType>(CurTy);
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V = InlineAsm::get(cast<FunctionType>(PTy->getElementType()),
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AsmStr, ConstrStr, HasSideEffects, IsAlignStack,
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AsmDialect);
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break;
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}
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case bitc::CST_CODE_BLOCKADDRESS:{
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if (Record.size() < 3) return Error("Invalid CE_BLOCKADDRESS record");
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Type *FnTy = getTypeByID(Record[0]);
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@ -814,7 +814,8 @@ static void WriteConstants(unsigned FirstVal, unsigned LastVal,
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if (const InlineAsm *IA = dyn_cast<InlineAsm>(V)) {
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Record.push_back(unsigned(IA->hasSideEffects()) |
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unsigned(IA->isAlignStack()) << 1);
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unsigned(IA->isAlignStack()) << 1 |
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unsigned(IA->getDialect()&1) << 2);
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// Add the asm string.
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const std::string &AsmStr = IA->getAsmString();
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