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| author | Eli Friedman <eli.friedman@gmail.com> | 2011-08-09 23:02:53 +0000 |
|---|---|---|
| committer | Eli Friedman <eli.friedman@gmail.com> | 2011-08-09 23:02:53 +0000 |
| commit | 21006d40ac9ec7715bca2095451075a83773dc52 (patch) | |
| tree | a3015838890edfbb23387b5a3dcacb28a51b6e96 /lib/Bitcode/Writer/BitcodeWriter.cpp | |
| parent | 51c9805c4bcca635bc6a854e4a246ebd4258f512 (diff) | |
Representation of 'atomic load' and 'atomic store' in IR.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137170 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Bitcode/Writer/BitcodeWriter.cpp')
| -rw-r--r-- | lib/Bitcode/Writer/BitcodeWriter.cpp | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/lib/Bitcode/Writer/BitcodeWriter.cpp b/lib/Bitcode/Writer/BitcodeWriter.cpp index 9954400e5e..4aae121da5 100644 --- a/lib/Bitcode/Writer/BitcodeWriter.cpp +++ b/lib/Bitcode/Writer/BitcodeWriter.cpp @@ -1175,19 +1175,34 @@ static void WriteInstruction(const Instruction &I, unsigned InstID, break; case Instruction::Load: - Code = bitc::FUNC_CODE_INST_LOAD; - if (!PushValueAndType(I.getOperand(0), InstID, Vals, VE)) // ptr - AbbrevToUse = FUNCTION_INST_LOAD_ABBREV; - + if (cast<LoadInst>(I).isAtomic()) { + Code = bitc::FUNC_CODE_INST_LOADATOMIC; + PushValueAndType(I.getOperand(0), InstID, Vals, VE); + } else { + Code = bitc::FUNC_CODE_INST_LOAD; + if (!PushValueAndType(I.getOperand(0), InstID, Vals, VE)) // ptr + AbbrevToUse = FUNCTION_INST_LOAD_ABBREV; + } Vals.push_back(Log2_32(cast<LoadInst>(I).getAlignment())+1); Vals.push_back(cast<LoadInst>(I).isVolatile()); + if (cast<LoadInst>(I).isAtomic()) { + Vals.push_back(GetEncodedOrdering(cast<LoadInst>(I).getOrdering())); + Vals.push_back(GetEncodedSynchScope(cast<LoadInst>(I).getSynchScope())); + } break; case Instruction::Store: - Code = bitc::FUNC_CODE_INST_STORE; + if (cast<StoreInst>(I).isAtomic()) + Code = bitc::FUNC_CODE_INST_STOREATOMIC; + else + Code = bitc::FUNC_CODE_INST_STORE; PushValueAndType(I.getOperand(1), InstID, Vals, VE); // ptrty + ptr Vals.push_back(VE.getValueID(I.getOperand(0))); // val. Vals.push_back(Log2_32(cast<StoreInst>(I).getAlignment())+1); Vals.push_back(cast<StoreInst>(I).isVolatile()); + if (cast<StoreInst>(I).isAtomic()) { + Vals.push_back(GetEncodedOrdering(cast<StoreInst>(I).getOrdering())); + Vals.push_back(GetEncodedSynchScope(cast<StoreInst>(I).getSynchScope())); + } break; case Instruction::AtomicCmpXchg: Code = bitc::FUNC_CODE_INST_CMPXCHG; |