LLVM Interpreter: implementation of "insertvalue" and "extractvalue";
undef constatnt for structure and test for these functions.
done by Yuri Veselov (mailto:Yuri.Veselov@intel.com)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190599 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/ExecutionEngine/ExecutionEngine.cpp b/lib/ExecutionEngine/ExecutionEngine.cpp
index c463e9f..95d5fcb 100644
--- a/lib/ExecutionEngine/ExecutionEngine.cpp
+++ b/lib/ExecutionEngine/ExecutionEngine.cpp
@@ -556,6 +556,24 @@
// with the correct bit width.
Result.IntVal = APInt(C->getType()->getPrimitiveSizeInBits(), 0);
break;
+ case Type::StructTyID: {
+ // if the whole struct is 'undef' just reserve memory for the value.
+ if(StructType *STy = dyn_cast<StructType>(C->getType())) {
+ unsigned int elemNum = STy->getNumElements();
+ Result.AggregateVal.resize(elemNum);
+ for (unsigned int i = 0; i < elemNum; ++i) {
+ Type *ElemTy = STy->getElementType(i);
+ if (ElemTy->isIntegerTy())
+ Result.AggregateVal[i].IntVal =
+ APInt(ElemTy->getPrimitiveSizeInBits(), 0);
+ else if (ElemTy->isAggregateType()) {
+ const Constant *ElemUndef = UndefValue::get(ElemTy);
+ Result.AggregateVal[i] = getConstantValue(ElemUndef);
+ }
+ }
+ }
+ }
+ break;
case Type::VectorTyID:
// if the whole vector is 'undef' just reserve memory for the value.
const VectorType* VTy = dyn_cast<VectorType>(C->getType());
@@ -564,7 +582,7 @@
Result.AggregateVal.resize(elemNum);
if (ElemTy->isIntegerTy())
for (unsigned int i = 0; i < elemNum; ++i)
- Result.AggregateVal[i].IntVal =
+ Result.AggregateVal[i].IntVal =
APInt(ElemTy->getPrimitiveSizeInBits(), 0);
break;
}