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
diff --git a/lib/Bitcode/Writer/BitcodeWriter.cpp b/lib/Bitcode/Writer/BitcodeWriter.cpp
index 9954400..4aae121 100644
--- a/lib/Bitcode/Writer/BitcodeWriter.cpp
+++ b/lib/Bitcode/Writer/BitcodeWriter.cpp
@@ -1175,19 +1175,34 @@
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;