From f16ae5889140e42aa9092016e99aa706221e11ed Mon Sep 17 00:00:00 2001 From: Chad Rosier Date: Wed, 5 Sep 2012 00:56:20 +0000 Subject: [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 --- lib/Bitcode/Reader/BitcodeReader.cpp | 27 ++++++++++++++++++++++++++- 1 file changed, 26 insertions(+), 1 deletion(-) (limited to 'lib/Bitcode/Reader/BitcodeReader.cpp') diff --git a/lib/Bitcode/Reader/BitcodeReader.cpp b/lib/Bitcode/Reader/BitcodeReader.cpp index 65fd52e6d2..a3b65a22d1 100644 --- a/lib/Bitcode/Reader/BitcodeReader.cpp +++ b/lib/Bitcode/Reader/BitcodeReader.cpp @@ -1245,7 +1245,8 @@ bool BitcodeReader::ParseConstants() { V = ConstantExpr::getICmp(Record[3], Op0, Op1); break; } - case bitc::CST_CODE_INLINEASM: { + // This maintains backward compatibility, pre-'nsdialect'. + case bitc::CST_CODE_INLINEASM_OLD: { if (Record.size() < 2) return Error("Invalid INLINEASM record"); std::string AsmStr, ConstrStr; bool HasSideEffects = Record[0] & 1; @@ -1266,6 +1267,30 @@ bool BitcodeReader::ParseConstants() { AsmStr, ConstrStr, HasSideEffects, IsAlignStack); break; } + // This version adds support for the 'nsdialect' keyword. + case bitc::CST_CODE_INLINEASM: { + if (Record.size() < 2) return Error("Invalid INLINEASM record"); + std::string AsmStr, ConstrStr; + bool HasSideEffects = Record[0] & 1; + bool IsAlignStack = (Record[0] >> 1) & 1; + unsigned AsmDialect = Record[0] >> 2; + unsigned AsmStrSize = Record[1]; + if (2+AsmStrSize >= Record.size()) + return Error("Invalid INLINEASM record"); + unsigned ConstStrSize = Record[2+AsmStrSize]; + if (3+AsmStrSize+ConstStrSize > Record.size()) + return Error("Invalid INLINEASM record"); + + for (unsigned i = 0; i != AsmStrSize; ++i) + AsmStr += (char)Record[2+i]; + for (unsigned i = 0; i != ConstStrSize; ++i) + ConstrStr += (char)Record[3+AsmStrSize+i]; + PointerType *PTy = cast(CurTy); + V = InlineAsm::get(cast(PTy->getElementType()), + AsmStr, ConstrStr, HasSideEffects, IsAlignStack, + AsmDialect); + break; + } case bitc::CST_CODE_BLOCKADDRESS:{ if (Record.size() < 3) return Error("Invalid CE_BLOCKADDRESS record"); Type *FnTy = getTypeByID(Record[0]); -- cgit v1.2.3-18-g5258