diff options
Diffstat (limited to 'lib/Bitcode/Writer/BitcodeWriter.cpp')
| -rw-r--r-- | lib/Bitcode/Writer/BitcodeWriter.cpp | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/lib/Bitcode/Writer/BitcodeWriter.cpp b/lib/Bitcode/Writer/BitcodeWriter.cpp index 4dfa0ba4df..9df3c17bf4 100644 --- a/lib/Bitcode/Writer/BitcodeWriter.cpp +++ b/lib/Bitcode/Writer/BitcodeWriter.cpp @@ -101,6 +101,27 @@ static unsigned GetEncodedBinaryOpcode(unsigned Opcode) { } } +static unsigned GetEncodedOrdering(AtomicOrdering Ordering) { + switch (Ordering) { + default: llvm_unreachable("Unknown atomic ordering"); + case NotAtomic: return bitc::ORDERING_NOTATOMIC; + case Unordered: return bitc::ORDERING_UNORDERED; + case Monotonic: return bitc::ORDERING_MONOTONIC; + case Acquire: return bitc::ORDERING_ACQUIRE; + case Release: return bitc::ORDERING_RELEASE; + case AcquireRelease: return bitc::ORDERING_ACQREL; + case SequentiallyConsistent: return bitc::ORDERING_SEQCST; + } +} + +static unsigned GetEncodedSynchScope(SynchronizationScope SynchScope) { + switch (SynchScope) { + default: llvm_unreachable("Unknown synchronization scope"); + case SingleThread: return bitc::SYNCHSCOPE_SINGLETHREAD; + case CrossThread: return bitc::SYNCHSCOPE_CROSSTHREAD; + } +} + static void WriteStringRecord(unsigned Code, StringRef Str, unsigned AbbrevToUse, BitstreamWriter &Stream) { SmallVector<unsigned, 64> Vals; @@ -1147,6 +1168,11 @@ static void WriteInstruction(const Instruction &I, unsigned InstID, Vals.push_back(Log2_32(cast<StoreInst>(I).getAlignment())+1); Vals.push_back(cast<StoreInst>(I).isVolatile()); break; + case Instruction::Fence: + Code = bitc::FUNC_CODE_INST_FENCE; + Vals.push_back(GetEncodedOrdering(cast<FenceInst>(I).getOrdering())); + Vals.push_back(GetEncodedSynchScope(cast<FenceInst>(I).getSynchScope())); + break; case Instruction::Call: { const CallInst &CI = cast<CallInst>(I); PointerType *PTy = cast<PointerType>(CI.getCalledValue()->getType()); |