Add shufflevector reading support
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27509 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Bytecode/Reader/Reader.cpp b/lib/Bytecode/Reader/Reader.cpp
index 9f06446..d2acda0 100644
--- a/lib/Bytecode/Reader/Reader.cpp
+++ b/lib/Bytecode/Reader/Reader.cpp
@@ -734,6 +734,20 @@
getValue(Type::UIntTyID, Oprnds[2]));
break;
}
+ case Instruction::ShuffleVector: {
+ const PackedType *PackedTy = dyn_cast<PackedType>(InstTy);
+ if (!PackedTy || Oprnds.size() != 3)
+ throw std::string("Invalid shufflevector instruction!");
+ Value *V1 = getValue(iType, Oprnds[0]);
+ Value *V2 = getValue(iType, Oprnds[1]);
+ const PackedType *EltTy =
+ PackedType::get(Type::UIntTy, PackedTy->getNumElements());
+ Value *V3 = getValue(getTypeSlot(EltTy), Oprnds[2]);
+ if (!ShuffleVectorInst::isValidOperands(V1, V2, V3))
+ throw std::string("Invalid shufflevector instruction!");
+ Result = new ShuffleVectorInst(V1, V2, V3);
+ break;
+ }
case Instruction::Cast:
Result = new CastInst(getValue(iType, Oprnds[0]),
getSanitizedType(Oprnds[1]));
@@ -1493,6 +1507,14 @@
ConstantExpr::getInsertElement(ArgVec[0], ArgVec[1], ArgVec[2]);
if (Handler) Handler->handleConstantExpression(Opcode, ArgVec, Result);
return Result;
+ } else if (Opcode == Instruction::ShuffleVector) {
+ if (ArgVec.size() != 3 ||
+ !ShuffleVectorInst::isValidOperands(ArgVec[0], ArgVec[1], ArgVec[2]))
+ error("shufflevector constant expr must have three arguments.");
+ Constant *Result =
+ ConstantExpr::getShuffleVector(ArgVec[0], ArgVec[1], ArgVec[2]);
+ if (Handler) Handler->handleConstantExpression(Opcode, ArgVec, Result);
+ return Result;
} else { // All other 2-operand expressions
Constant* Result = ConstantExpr::get(Opcode, ArgVec[0], ArgVec[1]);
if (Handler) Handler->handleConstantExpression(Opcode, ArgVec, Result);