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| author | Chad Rosier <mcrosier@apple.com> | 2011-11-03 00:14:01 +0000 |
|---|---|---|
| committer | Chad Rosier <mcrosier@apple.com> | 2011-11-03 00:14:01 +0000 |
| commit | 9589872af9e1a88799d43b1bd403db7d338ba5f0 (patch) | |
| tree | 97ce29c934e744b4fea9c89ce72617d90ed08bc1 /llvm/lib/Bitcode/Reader/BitcodeReader.cpp | |
| parent | 756ce7f9ab55c531a6cfcd3fdba6cb784e7b67a3 (diff) | |
| download | bcm5719-llvm-9589872af9e1a88799d43b1bd403db7d338ba5f0.tar.gz bcm5719-llvm-9589872af9e1a88799d43b1bd403db7d338ba5f0.zip | |
Remove some cruft from the BitcodeWriter, while still maintaining backward
compatibility in the BitcodeReader.
llvm-svn: 143598
Diffstat (limited to 'llvm/lib/Bitcode/Reader/BitcodeReader.cpp')
| -rw-r--r-- | llvm/lib/Bitcode/Reader/BitcodeReader.cpp | 40 |
1 files changed, 38 insertions, 2 deletions
diff --git a/llvm/lib/Bitcode/Reader/BitcodeReader.cpp b/llvm/lib/Bitcode/Reader/BitcodeReader.cpp index 46565f36af1..6ecdbaeff45 100644 --- a/llvm/lib/Bitcode/Reader/BitcodeReader.cpp +++ b/llvm/lib/Bitcode/Reader/BitcodeReader.cpp @@ -615,7 +615,7 @@ bool BitcodeReader::ParseTypeTableBody() { ResultTy = PointerType::get(ResultTy, AddressSpace); break; } - case bitc::TYPE_CODE_FUNCTION: { + case bitc::TYPE_CODE_FUNCTION_OLD: { // FIXME: attrid is dead, remove it in LLVM 3.0 // FUNCTION: [vararg, attrid, retty, paramty x N] if (Record.size() < 3) @@ -635,6 +635,25 @@ bool BitcodeReader::ParseTypeTableBody() { ResultTy = FunctionType::get(ResultTy, ArgTys, Record[0]); break; } + case bitc::TYPE_CODE_FUNCTION: { + // FUNCTION: [vararg, retty, paramty x N] + if (Record.size() < 2) + return Error("Invalid FUNCTION type record"); + std::vector<Type*> ArgTys; + for (unsigned i = 2, e = Record.size(); i != e; ++i) { + if (Type *T = getTypeByID(Record[i])) + ArgTys.push_back(T); + else + break; + } + + ResultTy = getTypeByID(Record[1]); + if (ResultTy == 0 || ArgTys.size() < Record.size()-2) + return Error("invalid type in function type"); + + ResultTy = FunctionType::get(ResultTy, ArgTys, Record[0]); + break; + } case bitc::TYPE_CODE_STRUCT_ANON: { // STRUCT: [ispacked, eltty x N] if (Record.size() < 1) return Error("Invalid STRUCT type record"); @@ -871,7 +890,7 @@ RestartScan: ResultTy = PointerType::get(ResultTy, AddressSpace); break; } - case bitc::TYPE_CODE_FUNCTION: { + case bitc::TYPE_CODE_FUNCTION_OLD: { // FIXME: attrid is dead, remove it in LLVM 3.0 // FUNCTION: [vararg, attrid, retty, paramty x N] if (Record.size() < 3) @@ -889,6 +908,23 @@ RestartScan: ResultTy = FunctionType::get(ResultTy, ArgTys, Record[0]); break; } + case bitc::TYPE_CODE_FUNCTION: { + // FUNCTION: [vararg, retty, paramty x N] + if (Record.size() < 2) + return Error("Invalid FUNCTION type record"); + std::vector<Type*> ArgTys; + for (unsigned i = 2, e = Record.size(); i != e; ++i) { + if (Type *Elt = getTypeByIDOrNull(Record[i])) + ArgTys.push_back(Elt); + else + break; + } + if (ArgTys.size()+2 != Record.size()) + break; // Something was null. + if ((ResultTy = getTypeByIDOrNull(Record[1]))) + ResultTy = FunctionType::get(ResultTy, ArgTys, Record[0]); + break; + } case bitc::TYPE_CODE_ARRAY: // ARRAY: [numelts, eltty] if (Record.size() < 2) return Error("Invalid ARRAY type record"); |
