//
//===----------------------------------------------------------------------===//
-#define DEBUG_TYPE "interpreter"
#include "Interpreter.h"
#include "llvm/ADT/APInt.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/CodeGen/IntrinsicLowering.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/DerivedTypes.h"
+#include "llvm/IR/GetElementPtrTypeIterator.h"
#include "llvm/IR/Instructions.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/GetElementPtrTypeIterator.h"
#include "llvm/Support/MathExtras.h"
#include <algorithm>
#include <cmath>
using namespace llvm;
+#define DEBUG_TYPE "interpreter"
+
STATISTIC(NumDynamicInsts, "Number of dynamic instructions executed");
static cl::opt<bool> PrintVolatile("interpreter-print-volatile", cl::Hidden,
IMPLEMENT_BINARY_OPERATOR(+, Double);
default:
dbgs() << "Unhandled type for FAdd instruction: " << *Ty << "\n";
- llvm_unreachable(0);
+ llvm_unreachable(nullptr);
}
}
IMPLEMENT_BINARY_OPERATOR(-, Double);
default:
dbgs() << "Unhandled type for FSub instruction: " << *Ty << "\n";
- llvm_unreachable(0);
+ llvm_unreachable(nullptr);
}
}
IMPLEMENT_BINARY_OPERATOR(*, Double);
default:
dbgs() << "Unhandled type for FMul instruction: " << *Ty << "\n";
- llvm_unreachable(0);
+ llvm_unreachable(nullptr);
}
}
IMPLEMENT_BINARY_OPERATOR(/, Double);
default:
dbgs() << "Unhandled type for FDiv instruction: " << *Ty << "\n";
- llvm_unreachable(0);
+ llvm_unreachable(nullptr);
}
}
break;
default:
dbgs() << "Unhandled type for Rem instruction: " << *Ty << "\n";
- llvm_unreachable(0);
+ llvm_unreachable(nullptr);
}
}
IMPLEMENT_POINTER_ICMP(==);
default:
dbgs() << "Unhandled type for ICMP_EQ predicate: " << *Ty << "\n";
- llvm_unreachable(0);
+ llvm_unreachable(nullptr);
}
return Dest;
}
IMPLEMENT_POINTER_ICMP(!=);
default:
dbgs() << "Unhandled type for ICMP_NE predicate: " << *Ty << "\n";
- llvm_unreachable(0);
+ llvm_unreachable(nullptr);
}
return Dest;
}
IMPLEMENT_POINTER_ICMP(<);
default:
dbgs() << "Unhandled type for ICMP_ULT predicate: " << *Ty << "\n";
- llvm_unreachable(0);
+ llvm_unreachable(nullptr);
}
return Dest;
}
IMPLEMENT_POINTER_ICMP(<);
default:
dbgs() << "Unhandled type for ICMP_SLT predicate: " << *Ty << "\n";
- llvm_unreachable(0);
+ llvm_unreachable(nullptr);
}
return Dest;
}
IMPLEMENT_POINTER_ICMP(>);
default:
dbgs() << "Unhandled type for ICMP_UGT predicate: " << *Ty << "\n";
- llvm_unreachable(0);
+ llvm_unreachable(nullptr);
}
return Dest;
}
IMPLEMENT_POINTER_ICMP(>);
default:
dbgs() << "Unhandled type for ICMP_SGT predicate: " << *Ty << "\n";
- llvm_unreachable(0);
+ llvm_unreachable(nullptr);
}
return Dest;
}
IMPLEMENT_POINTER_ICMP(<=);
default:
dbgs() << "Unhandled type for ICMP_ULE predicate: " << *Ty << "\n";
- llvm_unreachable(0);
+ llvm_unreachable(nullptr);
}
return Dest;
}
IMPLEMENT_POINTER_ICMP(<=);
default:
dbgs() << "Unhandled type for ICMP_SLE predicate: " << *Ty << "\n";
- llvm_unreachable(0);
+ llvm_unreachable(nullptr);
}
return Dest;
}
IMPLEMENT_POINTER_ICMP(>=);
default:
dbgs() << "Unhandled type for ICMP_UGE predicate: " << *Ty << "\n";
- llvm_unreachable(0);
+ llvm_unreachable(nullptr);
}
return Dest;
}
IMPLEMENT_POINTER_ICMP(>=);
default:
dbgs() << "Unhandled type for ICMP_SGE predicate: " << *Ty << "\n";
- llvm_unreachable(0);
+ llvm_unreachable(nullptr);
}
return Dest;
}
case ICmpInst::ICMP_SGE: R = executeICMP_SGE(Src1, Src2, Ty); break;
default:
dbgs() << "Don't know how to handle this ICmp predicate!\n-->" << I;
- llvm_unreachable(0);
+ llvm_unreachable(nullptr);
}
SetValue(&I, R, SF);
IMPLEMENT_VECTOR_FCMP(==);
default:
dbgs() << "Unhandled type for FCmp EQ instruction: " << *Ty << "\n";
- llvm_unreachable(0);
+ llvm_unreachable(nullptr);
}
return Dest;
}
IMPLEMENT_VECTOR_FCMP(!=);
default:
dbgs() << "Unhandled type for FCmp NE instruction: " << *Ty << "\n";
- llvm_unreachable(0);
+ llvm_unreachable(nullptr);
}
// in vector case mask out NaN elements
if (Ty->isVectorTy())
IMPLEMENT_VECTOR_FCMP(<=);
default:
dbgs() << "Unhandled type for FCmp LE instruction: " << *Ty << "\n";
- llvm_unreachable(0);
+ llvm_unreachable(nullptr);
}
return Dest;
}
IMPLEMENT_VECTOR_FCMP(>=);
default:
dbgs() << "Unhandled type for FCmp GE instruction: " << *Ty << "\n";
- llvm_unreachable(0);
+ llvm_unreachable(nullptr);
}
return Dest;
}
IMPLEMENT_VECTOR_FCMP(<);
default:
dbgs() << "Unhandled type for FCmp LT instruction: " << *Ty << "\n";
- llvm_unreachable(0);
+ llvm_unreachable(nullptr);
}
return Dest;
}
IMPLEMENT_VECTOR_FCMP(>);
default:
dbgs() << "Unhandled type for FCmp GT instruction: " << *Ty << "\n";
- llvm_unreachable(0);
+ llvm_unreachable(nullptr);
}
return Dest;
}
switch (I.getPredicate()) {
default:
dbgs() << "Don't know how to handle this FCmp predicate!\n-->" << I;
- llvm_unreachable(0);
+ llvm_unreachable(nullptr);
break;
case FCmpInst::FCMP_FALSE: R = executeFCMP_BOOL(Src1, Src2, Ty, false);
break;
case FCmpInst::FCMP_TRUE: return executeFCMP_BOOL(Src1, Src2, Ty, true);
default:
dbgs() << "Unhandled Cmp predicate\n";
- llvm_unreachable(0);
+ llvm_unreachable(nullptr);
}
}
switch(I.getOpcode()){
default:
dbgs() << "Don't know how to handle this binary operator!\n-->" << I;
- llvm_unreachable(0);
+ llvm_unreachable(nullptr);
break;
case Instruction::Add: INTEGER_VECTOR_OPERATION(+) break;
case Instruction::Sub: INTEGER_VECTOR_OPERATION(-) break;
fmod(Src1.AggregateVal[i].DoubleVal, Src2.AggregateVal[i].DoubleVal);
else {
dbgs() << "Unhandled type for Rem instruction: " << *Ty << "\n";
- llvm_unreachable(0);
+ llvm_unreachable(nullptr);
}
}
break;
switch (I.getOpcode()) {
default:
dbgs() << "Don't know how to handle this binary operator!\n-->" << I;
- llvm_unreachable(0);
+ llvm_unreachable(nullptr);
break;
case Instruction::Add: R.IntVal = Src1.IntVal + Src2.IntVal; break;
case Instruction::Sub: R.IntVal = Src1.IntVal - Src2.IntVal; break;
}
static GenericValue executeSelectInst(GenericValue Src1, GenericValue Src2,
- GenericValue Src3) {
- return Src1.IntVal == 0 ? Src3 : Src2;
+ GenericValue Src3, const Type *Ty) {
+ GenericValue Dest;
+ if(Ty->isVectorTy()) {
+ assert(Src1.AggregateVal.size() == Src2.AggregateVal.size());
+ assert(Src2.AggregateVal.size() == Src3.AggregateVal.size());
+ Dest.AggregateVal.resize( Src1.AggregateVal.size() );
+ for (size_t i = 0; i < Src1.AggregateVal.size(); ++i)
+ Dest.AggregateVal[i] = (Src1.AggregateVal[i].IntVal == 0) ?
+ Src3.AggregateVal[i] : Src2.AggregateVal[i];
+ } else {
+ Dest = (Src1.IntVal == 0) ? Src3 : Src2;
+ }
+ return Dest;
}
void Interpreter::visitSelectInst(SelectInst &I) {
ExecutionContext &SF = ECStack.back();
+ const Type * Ty = I.getOperand(0)->getType();
GenericValue Src1 = getOperandValue(I.getOperand(0), SF);
GenericValue Src2 = getOperandValue(I.getOperand(1), SF);
GenericValue Src3 = getOperandValue(I.getOperand(2), SF);
- GenericValue R = executeSelectInst(Src1, Src2, Src3);
+ GenericValue R = executeSelectInst(Src1, Src2, Src3, Ty);
SetValue(&I, R, SF);
}
-
//===----------------------------------------------------------------------===//
// Terminator Instruction Implementations
//===----------------------------------------------------------------------===//
GenericValue CondVal = getOperandValue(Cond, SF);
// Check to see if any of the cases match...
- BasicBlock *Dest = 0;
+ BasicBlock *Dest = nullptr;
for (SwitchInst::CaseIt i = I.case_begin(), e = I.case_end(); i != e; ++i) {
- IntegersSubset& Case = i.getCaseValueEx();
- if (Case.isSingleNumber()) {
- // FIXME: Currently work with ConstantInt based numbers.
- const ConstantInt *CI = Case.getSingleNumber(0).toConstantInt();
- GenericValue Val = getOperandValue(const_cast<ConstantInt*>(CI), SF);
- if (executeICMP_EQ(Val, CondVal, ElTy).IntVal != 0) {
- Dest = cast<BasicBlock>(i.getCaseSuccessor());
- break;
- }
+ GenericValue CaseVal = getOperandValue(i.getCaseValue(), SF);
+ if (executeICMP_EQ(CondVal, CaseVal, ElTy).IntVal != 0) {
+ Dest = cast<BasicBlock>(i.getCaseSuccessor());
+ break;
}
- if (Case.isSingleNumbersOnly()) {
- for (unsigned n = 0, en = Case.getNumItems(); n != en; ++n) {
- // FIXME: Currently work with ConstantInt based numbers.
- const ConstantInt *CI = Case.getSingleNumber(n).toConstantInt();
- GenericValue Val = getOperandValue(const_cast<ConstantInt*>(CI), SF);
- if (executeICMP_EQ(Val, CondVal, ElTy).IntVal != 0) {
- Dest = cast<BasicBlock>(i.getCaseSuccessor());
- break;
- }
- }
- } else
- for (unsigned n = 0, en = Case.getNumItems(); n != en; ++n) {
- IntegersSubset::Range r = Case.getItem(n);
- // FIXME: Currently work with ConstantInt based numbers.
- const ConstantInt *LowCI = r.getLow().toConstantInt();
- const ConstantInt *HighCI = r.getHigh().toConstantInt();
- GenericValue Low = getOperandValue(const_cast<ConstantInt*>(LowCI), SF);
- GenericValue High = getOperandValue(const_cast<ConstantInt*>(HighCI), SF);
- if (executeICMP_ULE(Low, CondVal, ElTy).IntVal != 0 &&
- executeICMP_ULE(CondVal, High, ElTy).IntVal != 0) {
- Dest = cast<BasicBlock>(i.getCaseSuccessor());
- break;
- }
- }
}
if (!Dest) Dest = I.getDefaultDest(); // No cases matched: use default
SwitchToNewBasicBlock(Dest, SF);
<< uintptr_t(Memory) << '\n');
GenericValue Result = PTOGV(Memory);
- assert(Result.PointerVal != 0 && "Null pointer returned by malloc!");
+ assert(Result.PointerVal && "Null pointer returned by malloc!");
SetValue(&I, Result, SF);
if (I.getOpcode() == Instruction::Alloca)
callFunction((Function*)GVTOP(SRC), ArgVals);
}
+// auxiliary function for shift operations
+static unsigned getShiftAmount(uint64_t orgShiftAmount,
+ llvm::APInt valueToShift) {
+ unsigned valueWidth = valueToShift.getBitWidth();
+ if (orgShiftAmount < (uint64_t)valueWidth)
+ return orgShiftAmount;
+ // according to the llvm documentation, if orgShiftAmount > valueWidth,
+ // the result is undfeined. but we do shift by this rule:
+ return (NextPowerOf2(valueWidth-1) - 1) & orgShiftAmount;
+}
+
+
void Interpreter::visitShl(BinaryOperator &I) {
ExecutionContext &SF = ECStack.back();
GenericValue Src1 = getOperandValue(I.getOperand(0), SF);
GenericValue Src2 = getOperandValue(I.getOperand(1), SF);
GenericValue Dest;
- if (Src2.IntVal.getZExtValue() < Src1.IntVal.getBitWidth())
- Dest.IntVal = Src1.IntVal.shl(Src2.IntVal.getZExtValue());
- else
- Dest.IntVal = Src1.IntVal;
-
+ const Type *Ty = I.getType();
+
+ if (Ty->isVectorTy()) {
+ uint32_t src1Size = uint32_t(Src1.AggregateVal.size());
+ assert(src1Size == Src2.AggregateVal.size());
+ for (unsigned i = 0; i < src1Size; i++) {
+ GenericValue Result;
+ uint64_t shiftAmount = Src2.AggregateVal[i].IntVal.getZExtValue();
+ llvm::APInt valueToShift = Src1.AggregateVal[i].IntVal;
+ Result.IntVal = valueToShift.shl(getShiftAmount(shiftAmount, valueToShift));
+ Dest.AggregateVal.push_back(Result);
+ }
+ } else {
+ // scalar
+ uint64_t shiftAmount = Src2.IntVal.getZExtValue();
+ llvm::APInt valueToShift = Src1.IntVal;
+ Dest.IntVal = valueToShift.shl(getShiftAmount(shiftAmount, valueToShift));
+ }
+
SetValue(&I, Dest, SF);
}
GenericValue Src1 = getOperandValue(I.getOperand(0), SF);
GenericValue Src2 = getOperandValue(I.getOperand(1), SF);
GenericValue Dest;
- if (Src2.IntVal.getZExtValue() < Src1.IntVal.getBitWidth())
- Dest.IntVal = Src1.IntVal.lshr(Src2.IntVal.getZExtValue());
- else
- Dest.IntVal = Src1.IntVal;
-
+ const Type *Ty = I.getType();
+
+ if (Ty->isVectorTy()) {
+ uint32_t src1Size = uint32_t(Src1.AggregateVal.size());
+ assert(src1Size == Src2.AggregateVal.size());
+ for (unsigned i = 0; i < src1Size; i++) {
+ GenericValue Result;
+ uint64_t shiftAmount = Src2.AggregateVal[i].IntVal.getZExtValue();
+ llvm::APInt valueToShift = Src1.AggregateVal[i].IntVal;
+ Result.IntVal = valueToShift.lshr(getShiftAmount(shiftAmount, valueToShift));
+ Dest.AggregateVal.push_back(Result);
+ }
+ } else {
+ // scalar
+ uint64_t shiftAmount = Src2.IntVal.getZExtValue();
+ llvm::APInt valueToShift = Src1.IntVal;
+ Dest.IntVal = valueToShift.lshr(getShiftAmount(shiftAmount, valueToShift));
+ }
+
SetValue(&I, Dest, SF);
}
GenericValue Src1 = getOperandValue(I.getOperand(0), SF);
GenericValue Src2 = getOperandValue(I.getOperand(1), SF);
GenericValue Dest;
- if (Src2.IntVal.getZExtValue() < Src1.IntVal.getBitWidth())
- Dest.IntVal = Src1.IntVal.ashr(Src2.IntVal.getZExtValue());
- else
- Dest.IntVal = Src1.IntVal;
-
+ const Type *Ty = I.getType();
+
+ if (Ty->isVectorTy()) {
+ size_t src1Size = Src1.AggregateVal.size();
+ assert(src1Size == Src2.AggregateVal.size());
+ for (unsigned i = 0; i < src1Size; i++) {
+ GenericValue Result;
+ uint64_t shiftAmount = Src2.AggregateVal[i].IntVal.getZExtValue();
+ llvm::APInt valueToShift = Src1.AggregateVal[i].IntVal;
+ Result.IntVal = valueToShift.ashr(getShiftAmount(shiftAmount, valueToShift));
+ Dest.AggregateVal.push_back(Result);
+ }
+ } else {
+ // scalar
+ uint64_t shiftAmount = Src2.IntVal.getZExtValue();
+ llvm::APInt valueToShift = Src1.IntVal;
+ Dest.IntVal = valueToShift.ashr(getShiftAmount(shiftAmount, valueToShift));
+ }
+
SetValue(&I, Dest, SF);
}
GenericValue Interpreter::executeTruncInst(Value *SrcVal, Type *DstTy,
ExecutionContext &SF) {
GenericValue Dest, Src = getOperandValue(SrcVal, SF);
- IntegerType *DITy = cast<IntegerType>(DstTy);
- unsigned DBitWidth = DITy->getBitWidth();
- Dest.IntVal = Src.IntVal.trunc(DBitWidth);
+ Type *SrcTy = SrcVal->getType();
+ if (SrcTy->isVectorTy()) {
+ Type *DstVecTy = DstTy->getScalarType();
+ unsigned DBitWidth = cast<IntegerType>(DstVecTy)->getBitWidth();
+ unsigned NumElts = Src.AggregateVal.size();
+ // the sizes of src and dst vectors must be equal
+ Dest.AggregateVal.resize(NumElts);
+ for (unsigned i = 0; i < NumElts; i++)
+ Dest.AggregateVal[i].IntVal = Src.AggregateVal[i].IntVal.trunc(DBitWidth);
+ } else {
+ IntegerType *DITy = cast<IntegerType>(DstTy);
+ unsigned DBitWidth = DITy->getBitWidth();
+ Dest.IntVal = Src.IntVal.trunc(DBitWidth);
+ }
return Dest;
}
GenericValue Interpreter::executeSExtInst(Value *SrcVal, Type *DstTy,
ExecutionContext &SF) {
+ const Type *SrcTy = SrcVal->getType();
GenericValue Dest, Src = getOperandValue(SrcVal, SF);
- IntegerType *DITy = cast<IntegerType>(DstTy);
- unsigned DBitWidth = DITy->getBitWidth();
- Dest.IntVal = Src.IntVal.sext(DBitWidth);
+ if (SrcTy->isVectorTy()) {
+ const Type *DstVecTy = DstTy->getScalarType();
+ unsigned DBitWidth = cast<IntegerType>(DstVecTy)->getBitWidth();
+ unsigned size = Src.AggregateVal.size();
+ // the sizes of src and dst vectors must be equal.
+ Dest.AggregateVal.resize(size);
+ for (unsigned i = 0; i < size; i++)
+ Dest.AggregateVal[i].IntVal = Src.AggregateVal[i].IntVal.sext(DBitWidth);
+ } else {
+ const IntegerType *DITy = cast<IntegerType>(DstTy);
+ unsigned DBitWidth = DITy->getBitWidth();
+ Dest.IntVal = Src.IntVal.sext(DBitWidth);
+ }
return Dest;
}
GenericValue Interpreter::executeZExtInst(Value *SrcVal, Type *DstTy,
ExecutionContext &SF) {
+ const Type *SrcTy = SrcVal->getType();
GenericValue Dest, Src = getOperandValue(SrcVal, SF);
- IntegerType *DITy = cast<IntegerType>(DstTy);
- unsigned DBitWidth = DITy->getBitWidth();
- Dest.IntVal = Src.IntVal.zext(DBitWidth);
+ if (SrcTy->isVectorTy()) {
+ const Type *DstVecTy = DstTy->getScalarType();
+ unsigned DBitWidth = cast<IntegerType>(DstVecTy)->getBitWidth();
+
+ unsigned size = Src.AggregateVal.size();
+ // the sizes of src and dst vectors must be equal.
+ Dest.AggregateVal.resize(size);
+ for (unsigned i = 0; i < size; i++)
+ Dest.AggregateVal[i].IntVal = Src.AggregateVal[i].IntVal.zext(DBitWidth);
+ } else {
+ const IntegerType *DITy = cast<IntegerType>(DstTy);
+ unsigned DBitWidth = DITy->getBitWidth();
+ Dest.IntVal = Src.IntVal.zext(DBitWidth);
+ }
return Dest;
}
GenericValue Interpreter::executeFPTruncInst(Value *SrcVal, Type *DstTy,
ExecutionContext &SF) {
GenericValue Dest, Src = getOperandValue(SrcVal, SF);
- assert(SrcVal->getType()->isDoubleTy() && DstTy->isFloatTy() &&
- "Invalid FPTrunc instruction");
- Dest.FloatVal = (float) Src.DoubleVal;
+
+ if (SrcVal->getType()->getTypeID() == Type::VectorTyID) {
+ assert(SrcVal->getType()->getScalarType()->isDoubleTy() &&
+ DstTy->getScalarType()->isFloatTy() &&
+ "Invalid FPTrunc instruction");
+
+ unsigned size = Src.AggregateVal.size();
+ // the sizes of src and dst vectors must be equal.
+ Dest.AggregateVal.resize(size);
+ for (unsigned i = 0; i < size; i++)
+ Dest.AggregateVal[i].FloatVal = (float)Src.AggregateVal[i].DoubleVal;
+ } else {
+ assert(SrcVal->getType()->isDoubleTy() && DstTy->isFloatTy() &&
+ "Invalid FPTrunc instruction");
+ Dest.FloatVal = (float)Src.DoubleVal;
+ }
+
return Dest;
}
GenericValue Interpreter::executeFPExtInst(Value *SrcVal, Type *DstTy,
ExecutionContext &SF) {
GenericValue Dest, Src = getOperandValue(SrcVal, SF);
- assert(SrcVal->getType()->isFloatTy() && DstTy->isDoubleTy() &&
- "Invalid FPTrunc instruction");
- Dest.DoubleVal = (double) Src.FloatVal;
+
+ if (SrcVal->getType()->getTypeID() == Type::VectorTyID) {
+ assert(SrcVal->getType()->getScalarType()->isFloatTy() &&
+ DstTy->getScalarType()->isDoubleTy() && "Invalid FPExt instruction");
+
+ unsigned size = Src.AggregateVal.size();
+ // the sizes of src and dst vectors must be equal.
+ Dest.AggregateVal.resize(size);
+ for (unsigned i = 0; i < size; i++)
+ Dest.AggregateVal[i].DoubleVal = (double)Src.AggregateVal[i].FloatVal;
+ } else {
+ assert(SrcVal->getType()->isFloatTy() && DstTy->isDoubleTy() &&
+ "Invalid FPExt instruction");
+ Dest.DoubleVal = (double)Src.FloatVal;
+ }
+
return Dest;
}
GenericValue Interpreter::executeFPToUIInst(Value *SrcVal, Type *DstTy,
ExecutionContext &SF) {
Type *SrcTy = SrcVal->getType();
- uint32_t DBitWidth = cast<IntegerType>(DstTy)->getBitWidth();
GenericValue Dest, Src = getOperandValue(SrcVal, SF);
- assert(SrcTy->isFloatingPointTy() && "Invalid FPToUI instruction");
- if (SrcTy->getTypeID() == Type::FloatTyID)
- Dest.IntVal = APIntOps::RoundFloatToAPInt(Src.FloatVal, DBitWidth);
- else
- Dest.IntVal = APIntOps::RoundDoubleToAPInt(Src.DoubleVal, DBitWidth);
+ if (SrcTy->getTypeID() == Type::VectorTyID) {
+ const Type *DstVecTy = DstTy->getScalarType();
+ const Type *SrcVecTy = SrcTy->getScalarType();
+ uint32_t DBitWidth = cast<IntegerType>(DstVecTy)->getBitWidth();
+ unsigned size = Src.AggregateVal.size();
+ // the sizes of src and dst vectors must be equal.
+ Dest.AggregateVal.resize(size);
+
+ if (SrcVecTy->getTypeID() == Type::FloatTyID) {
+ assert(SrcVecTy->isFloatingPointTy() && "Invalid FPToUI instruction");
+ for (unsigned i = 0; i < size; i++)
+ Dest.AggregateVal[i].IntVal = APIntOps::RoundFloatToAPInt(
+ Src.AggregateVal[i].FloatVal, DBitWidth);
+ } else {
+ for (unsigned i = 0; i < size; i++)
+ Dest.AggregateVal[i].IntVal = APIntOps::RoundDoubleToAPInt(
+ Src.AggregateVal[i].DoubleVal, DBitWidth);
+ }
+ } else {
+ // scalar
+ uint32_t DBitWidth = cast<IntegerType>(DstTy)->getBitWidth();
+ assert(SrcTy->isFloatingPointTy() && "Invalid FPToUI instruction");
+
+ if (SrcTy->getTypeID() == Type::FloatTyID)
+ Dest.IntVal = APIntOps::RoundFloatToAPInt(Src.FloatVal, DBitWidth);
+ else {
+ Dest.IntVal = APIntOps::RoundDoubleToAPInt(Src.DoubleVal, DBitWidth);
+ }
+ }
+
return Dest;
}
GenericValue Interpreter::executeFPToSIInst(Value *SrcVal, Type *DstTy,
ExecutionContext &SF) {
Type *SrcTy = SrcVal->getType();
- uint32_t DBitWidth = cast<IntegerType>(DstTy)->getBitWidth();
GenericValue Dest, Src = getOperandValue(SrcVal, SF);
- assert(SrcTy->isFloatingPointTy() && "Invalid FPToSI instruction");
- if (SrcTy->getTypeID() == Type::FloatTyID)
- Dest.IntVal = APIntOps::RoundFloatToAPInt(Src.FloatVal, DBitWidth);
- else
- Dest.IntVal = APIntOps::RoundDoubleToAPInt(Src.DoubleVal, DBitWidth);
+ if (SrcTy->getTypeID() == Type::VectorTyID) {
+ const Type *DstVecTy = DstTy->getScalarType();
+ const Type *SrcVecTy = SrcTy->getScalarType();
+ uint32_t DBitWidth = cast<IntegerType>(DstVecTy)->getBitWidth();
+ unsigned size = Src.AggregateVal.size();
+ // the sizes of src and dst vectors must be equal
+ Dest.AggregateVal.resize(size);
+
+ if (SrcVecTy->getTypeID() == Type::FloatTyID) {
+ assert(SrcVecTy->isFloatingPointTy() && "Invalid FPToSI instruction");
+ for (unsigned i = 0; i < size; i++)
+ Dest.AggregateVal[i].IntVal = APIntOps::RoundFloatToAPInt(
+ Src.AggregateVal[i].FloatVal, DBitWidth);
+ } else {
+ for (unsigned i = 0; i < size; i++)
+ Dest.AggregateVal[i].IntVal = APIntOps::RoundDoubleToAPInt(
+ Src.AggregateVal[i].DoubleVal, DBitWidth);
+ }
+ } else {
+ // scalar
+ unsigned DBitWidth = cast<IntegerType>(DstTy)->getBitWidth();
+ assert(SrcTy->isFloatingPointTy() && "Invalid FPToSI instruction");
+
+ if (SrcTy->getTypeID() == Type::FloatTyID)
+ Dest.IntVal = APIntOps::RoundFloatToAPInt(Src.FloatVal, DBitWidth);
+ else {
+ Dest.IntVal = APIntOps::RoundDoubleToAPInt(Src.DoubleVal, DBitWidth);
+ }
+ }
return Dest;
}
GenericValue Interpreter::executeUIToFPInst(Value *SrcVal, Type *DstTy,
ExecutionContext &SF) {
GenericValue Dest, Src = getOperandValue(SrcVal, SF);
- assert(DstTy->isFloatingPointTy() && "Invalid UIToFP instruction");
- if (DstTy->getTypeID() == Type::FloatTyID)
- Dest.FloatVal = APIntOps::RoundAPIntToFloat(Src.IntVal);
- else
- Dest.DoubleVal = APIntOps::RoundAPIntToDouble(Src.IntVal);
+ if (SrcVal->getType()->getTypeID() == Type::VectorTyID) {
+ const Type *DstVecTy = DstTy->getScalarType();
+ unsigned size = Src.AggregateVal.size();
+ // the sizes of src and dst vectors must be equal
+ Dest.AggregateVal.resize(size);
+
+ if (DstVecTy->getTypeID() == Type::FloatTyID) {
+ assert(DstVecTy->isFloatingPointTy() && "Invalid UIToFP instruction");
+ for (unsigned i = 0; i < size; i++)
+ Dest.AggregateVal[i].FloatVal =
+ APIntOps::RoundAPIntToFloat(Src.AggregateVal[i].IntVal);
+ } else {
+ for (unsigned i = 0; i < size; i++)
+ Dest.AggregateVal[i].DoubleVal =
+ APIntOps::RoundAPIntToDouble(Src.AggregateVal[i].IntVal);
+ }
+ } else {
+ // scalar
+ assert(DstTy->isFloatingPointTy() && "Invalid UIToFP instruction");
+ if (DstTy->getTypeID() == Type::FloatTyID)
+ Dest.FloatVal = APIntOps::RoundAPIntToFloat(Src.IntVal);
+ else {
+ Dest.DoubleVal = APIntOps::RoundAPIntToDouble(Src.IntVal);
+ }
+ }
return Dest;
}
GenericValue Interpreter::executeSIToFPInst(Value *SrcVal, Type *DstTy,
ExecutionContext &SF) {
GenericValue Dest, Src = getOperandValue(SrcVal, SF);
- assert(DstTy->isFloatingPointTy() && "Invalid SIToFP instruction");
- if (DstTy->getTypeID() == Type::FloatTyID)
- Dest.FloatVal = APIntOps::RoundSignedAPIntToFloat(Src.IntVal);
- else
- Dest.DoubleVal = APIntOps::RoundSignedAPIntToDouble(Src.IntVal);
- return Dest;
+ if (SrcVal->getType()->getTypeID() == Type::VectorTyID) {
+ const Type *DstVecTy = DstTy->getScalarType();
+ unsigned size = Src.AggregateVal.size();
+ // the sizes of src and dst vectors must be equal
+ Dest.AggregateVal.resize(size);
+
+ if (DstVecTy->getTypeID() == Type::FloatTyID) {
+ assert(DstVecTy->isFloatingPointTy() && "Invalid SIToFP instruction");
+ for (unsigned i = 0; i < size; i++)
+ Dest.AggregateVal[i].FloatVal =
+ APIntOps::RoundSignedAPIntToFloat(Src.AggregateVal[i].IntVal);
+ } else {
+ for (unsigned i = 0; i < size; i++)
+ Dest.AggregateVal[i].DoubleVal =
+ APIntOps::RoundSignedAPIntToDouble(Src.AggregateVal[i].IntVal);
+ }
+ } else {
+ // scalar
+ assert(DstTy->isFloatingPointTy() && "Invalid SIToFP instruction");
+ if (DstTy->getTypeID() == Type::FloatTyID)
+ Dest.FloatVal = APIntOps::RoundSignedAPIntToFloat(Src.IntVal);
+ else {
+ Dest.DoubleVal = APIntOps::RoundSignedAPIntToDouble(Src.IntVal);
+ }
+ }
+
+ return Dest;
}
GenericValue Interpreter::executePtrToIntInst(Value *SrcVal, Type *DstTy,
GenericValue Interpreter::executeBitCastInst(Value *SrcVal, Type *DstTy,
ExecutionContext &SF) {
-
+
+ // This instruction supports bitwise conversion of vectors to integers and
+ // to vectors of other types (as long as they have the same size)
Type *SrcTy = SrcVal->getType();
GenericValue Dest, Src = getOperandValue(SrcVal, SF);
- if (DstTy->isPointerTy()) {
- assert(SrcTy->isPointerTy() && "Invalid BitCast");
- Dest.PointerVal = Src.PointerVal;
- } else if (DstTy->isIntegerTy()) {
- if (SrcTy->isFloatTy()) {
- Dest.IntVal = APInt::floatToBits(Src.FloatVal);
- } else if (SrcTy->isDoubleTy()) {
- Dest.IntVal = APInt::doubleToBits(Src.DoubleVal);
- } else if (SrcTy->isIntegerTy()) {
- Dest.IntVal = Src.IntVal;
- } else
+
+ if ((SrcTy->getTypeID() == Type::VectorTyID) ||
+ (DstTy->getTypeID() == Type::VectorTyID)) {
+ // vector src bitcast to vector dst or vector src bitcast to scalar dst or
+ // scalar src bitcast to vector dst
+ bool isLittleEndian = TD.isLittleEndian();
+ GenericValue TempDst, TempSrc, SrcVec;
+ const Type *SrcElemTy;
+ const Type *DstElemTy;
+ unsigned SrcBitSize;
+ unsigned DstBitSize;
+ unsigned SrcNum;
+ unsigned DstNum;
+
+ if (SrcTy->getTypeID() == Type::VectorTyID) {
+ SrcElemTy = SrcTy->getScalarType();
+ SrcBitSize = SrcTy->getScalarSizeInBits();
+ SrcNum = Src.AggregateVal.size();
+ SrcVec = Src;
+ } else {
+ // if src is scalar value, make it vector <1 x type>
+ SrcElemTy = SrcTy;
+ SrcBitSize = SrcTy->getPrimitiveSizeInBits();
+ SrcNum = 1;
+ SrcVec.AggregateVal.push_back(Src);
+ }
+
+ if (DstTy->getTypeID() == Type::VectorTyID) {
+ DstElemTy = DstTy->getScalarType();
+ DstBitSize = DstTy->getScalarSizeInBits();
+ DstNum = (SrcNum * SrcBitSize) / DstBitSize;
+ } else {
+ DstElemTy = DstTy;
+ DstBitSize = DstTy->getPrimitiveSizeInBits();
+ DstNum = 1;
+ }
+
+ if (SrcNum * SrcBitSize != DstNum * DstBitSize)
llvm_unreachable("Invalid BitCast");
- } else if (DstTy->isFloatTy()) {
- if (SrcTy->isIntegerTy())
- Dest.FloatVal = Src.IntVal.bitsToFloat();
- else
- Dest.FloatVal = Src.FloatVal;
- } else if (DstTy->isDoubleTy()) {
- if (SrcTy->isIntegerTy())
- Dest.DoubleVal = Src.IntVal.bitsToDouble();
- else
- Dest.DoubleVal = Src.DoubleVal;
- } else
- llvm_unreachable("Invalid Bitcast");
+
+ // If src is floating point, cast to integer first.
+ TempSrc.AggregateVal.resize(SrcNum);
+ if (SrcElemTy->isFloatTy()) {
+ for (unsigned i = 0; i < SrcNum; i++)
+ TempSrc.AggregateVal[i].IntVal =
+ APInt::floatToBits(SrcVec.AggregateVal[i].FloatVal);
+
+ } else if (SrcElemTy->isDoubleTy()) {
+ for (unsigned i = 0; i < SrcNum; i++)
+ TempSrc.AggregateVal[i].IntVal =
+ APInt::doubleToBits(SrcVec.AggregateVal[i].DoubleVal);
+ } else if (SrcElemTy->isIntegerTy()) {
+ for (unsigned i = 0; i < SrcNum; i++)
+ TempSrc.AggregateVal[i].IntVal = SrcVec.AggregateVal[i].IntVal;
+ } else {
+ // Pointers are not allowed as the element type of vector.
+ llvm_unreachable("Invalid Bitcast");
+ }
+
+ // now TempSrc is integer type vector
+ if (DstNum < SrcNum) {
+ // Example: bitcast <4 x i32> <i32 0, i32 1, i32 2, i32 3> to <2 x i64>
+ unsigned Ratio = SrcNum / DstNum;
+ unsigned SrcElt = 0;
+ for (unsigned i = 0; i < DstNum; i++) {
+ GenericValue Elt;
+ Elt.IntVal = 0;
+ Elt.IntVal = Elt.IntVal.zext(DstBitSize);
+ unsigned ShiftAmt = isLittleEndian ? 0 : SrcBitSize * (Ratio - 1);
+ for (unsigned j = 0; j < Ratio; j++) {
+ APInt Tmp;
+ Tmp = Tmp.zext(SrcBitSize);
+ Tmp = TempSrc.AggregateVal[SrcElt++].IntVal;
+ Tmp = Tmp.zext(DstBitSize);
+ Tmp = Tmp.shl(ShiftAmt);
+ ShiftAmt += isLittleEndian ? SrcBitSize : -SrcBitSize;
+ Elt.IntVal |= Tmp;
+ }
+ TempDst.AggregateVal.push_back(Elt);
+ }
+ } else {
+ // Example: bitcast <2 x i64> <i64 0, i64 1> to <4 x i32>
+ unsigned Ratio = DstNum / SrcNum;
+ for (unsigned i = 0; i < SrcNum; i++) {
+ unsigned ShiftAmt = isLittleEndian ? 0 : DstBitSize * (Ratio - 1);
+ for (unsigned j = 0; j < Ratio; j++) {
+ GenericValue Elt;
+ Elt.IntVal = Elt.IntVal.zext(SrcBitSize);
+ Elt.IntVal = TempSrc.AggregateVal[i].IntVal;
+ Elt.IntVal = Elt.IntVal.lshr(ShiftAmt);
+ // it could be DstBitSize == SrcBitSize, so check it
+ if (DstBitSize < SrcBitSize)
+ Elt.IntVal = Elt.IntVal.trunc(DstBitSize);
+ ShiftAmt += isLittleEndian ? DstBitSize : -DstBitSize;
+ TempDst.AggregateVal.push_back(Elt);
+ }
+ }
+ }
+
+ // convert result from integer to specified type
+ if (DstTy->getTypeID() == Type::VectorTyID) {
+ if (DstElemTy->isDoubleTy()) {
+ Dest.AggregateVal.resize(DstNum);
+ for (unsigned i = 0; i < DstNum; i++)
+ Dest.AggregateVal[i].DoubleVal =
+ TempDst.AggregateVal[i].IntVal.bitsToDouble();
+ } else if (DstElemTy->isFloatTy()) {
+ Dest.AggregateVal.resize(DstNum);
+ for (unsigned i = 0; i < DstNum; i++)
+ Dest.AggregateVal[i].FloatVal =
+ TempDst.AggregateVal[i].IntVal.bitsToFloat();
+ } else {
+ Dest = TempDst;
+ }
+ } else {
+ if (DstElemTy->isDoubleTy())
+ Dest.DoubleVal = TempDst.AggregateVal[0].IntVal.bitsToDouble();
+ else if (DstElemTy->isFloatTy()) {
+ Dest.FloatVal = TempDst.AggregateVal[0].IntVal.bitsToFloat();
+ } else {
+ Dest.IntVal = TempDst.AggregateVal[0].IntVal;
+ }
+ }
+ } else { // if ((SrcTy->getTypeID() == Type::VectorTyID) ||
+ // (DstTy->getTypeID() == Type::VectorTyID))
+
+ // scalar src bitcast to scalar dst
+ if (DstTy->isPointerTy()) {
+ assert(SrcTy->isPointerTy() && "Invalid BitCast");
+ Dest.PointerVal = Src.PointerVal;
+ } else if (DstTy->isIntegerTy()) {
+ if (SrcTy->isFloatTy())
+ Dest.IntVal = APInt::floatToBits(Src.FloatVal);
+ else if (SrcTy->isDoubleTy()) {
+ Dest.IntVal = APInt::doubleToBits(Src.DoubleVal);
+ } else if (SrcTy->isIntegerTy()) {
+ Dest.IntVal = Src.IntVal;
+ } else {
+ llvm_unreachable("Invalid BitCast");
+ }
+ } else if (DstTy->isFloatTy()) {
+ if (SrcTy->isIntegerTy())
+ Dest.FloatVal = Src.IntVal.bitsToFloat();
+ else {
+ Dest.FloatVal = Src.FloatVal;
+ }
+ } else if (DstTy->isDoubleTy()) {
+ if (SrcTy->isIntegerTy())
+ Dest.DoubleVal = Src.IntVal.bitsToDouble();
+ else {
+ Dest.DoubleVal = Src.DoubleVal;
+ }
+ } else {
+ llvm_unreachable("Invalid Bitcast");
+ }
+ }
return Dest;
}
IMPLEMENT_VAARG(Double);
default:
dbgs() << "Unhandled dest type for vaarg instruction: " << *Ty << "\n";
- llvm_unreachable(0);
+ llvm_unreachable(nullptr);
}
// Set the Value of this Instruction.
default:
dbgs() << "Unhandled destination type for extractelement instruction: "
<< *Ty << "\n";
- llvm_unreachable(0);
+ llvm_unreachable(nullptr);
break;
case Type::IntegerTyID:
Dest.IntVal = Src1.AggregateVal[indx].IntVal;
SetValue(&I, Dest, SF);
}
+void Interpreter::visitInsertElementInst(InsertElementInst &I) {
+ ExecutionContext &SF = ECStack.back();
+ Type *Ty = I.getType();
+
+ if(!(Ty->isVectorTy()) )
+ llvm_unreachable("Unhandled dest type for insertelement instruction");
+
+ GenericValue Src1 = getOperandValue(I.getOperand(0), SF);
+ GenericValue Src2 = getOperandValue(I.getOperand(1), SF);
+ GenericValue Src3 = getOperandValue(I.getOperand(2), SF);
+ GenericValue Dest;
+
+ Type *TyContained = Ty->getContainedType(0);
+
+ const unsigned indx = unsigned(Src3.IntVal.getZExtValue());
+ Dest.AggregateVal = Src1.AggregateVal;
+
+ if(Src1.AggregateVal.size() <= indx)
+ llvm_unreachable("Invalid index in insertelement instruction");
+ switch (TyContained->getTypeID()) {
+ default:
+ llvm_unreachable("Unhandled dest type for insertelement instruction");
+ case Type::IntegerTyID:
+ Dest.AggregateVal[indx].IntVal = Src2.IntVal;
+ break;
+ case Type::FloatTyID:
+ Dest.AggregateVal[indx].FloatVal = Src2.FloatVal;
+ break;
+ case Type::DoubleTyID:
+ Dest.AggregateVal[indx].DoubleVal = Src2.DoubleVal;
+ break;
+ }
+ SetValue(&I, Dest, SF);
+}
+
+void Interpreter::visitShuffleVectorInst(ShuffleVectorInst &I){
+ ExecutionContext &SF = ECStack.back();
+
+ Type *Ty = I.getType();
+ if(!(Ty->isVectorTy()))
+ llvm_unreachable("Unhandled dest type for shufflevector instruction");
+
+ GenericValue Src1 = getOperandValue(I.getOperand(0), SF);
+ GenericValue Src2 = getOperandValue(I.getOperand(1), SF);
+ GenericValue Src3 = getOperandValue(I.getOperand(2), SF);
+ GenericValue Dest;
+
+ // There is no need to check types of src1 and src2, because the compiled
+ // bytecode can't contain different types for src1 and src2 for a
+ // shufflevector instruction.
+
+ Type *TyContained = Ty->getContainedType(0);
+ unsigned src1Size = (unsigned)Src1.AggregateVal.size();
+ unsigned src2Size = (unsigned)Src2.AggregateVal.size();
+ unsigned src3Size = (unsigned)Src3.AggregateVal.size();
+
+ Dest.AggregateVal.resize(src3Size);
+
+ switch (TyContained->getTypeID()) {
+ default:
+ llvm_unreachable("Unhandled dest type for insertelement instruction");
+ break;
+ case Type::IntegerTyID:
+ for( unsigned i=0; i<src3Size; i++) {
+ unsigned j = Src3.AggregateVal[i].IntVal.getZExtValue();
+ if(j < src1Size)
+ Dest.AggregateVal[i].IntVal = Src1.AggregateVal[j].IntVal;
+ else if(j < src1Size + src2Size)
+ Dest.AggregateVal[i].IntVal = Src2.AggregateVal[j-src1Size].IntVal;
+ else
+ // The selector may not be greater than sum of lengths of first and
+ // second operands and llasm should not allow situation like
+ // %tmp = shufflevector <2 x i32> <i32 3, i32 4>, <2 x i32> undef,
+ // <2 x i32> < i32 0, i32 5 >,
+ // where i32 5 is invalid, but let it be additional check here:
+ llvm_unreachable("Invalid mask in shufflevector instruction");
+ }
+ break;
+ case Type::FloatTyID:
+ for( unsigned i=0; i<src3Size; i++) {
+ unsigned j = Src3.AggregateVal[i].IntVal.getZExtValue();
+ if(j < src1Size)
+ Dest.AggregateVal[i].FloatVal = Src1.AggregateVal[j].FloatVal;
+ else if(j < src1Size + src2Size)
+ Dest.AggregateVal[i].FloatVal = Src2.AggregateVal[j-src1Size].FloatVal;
+ else
+ llvm_unreachable("Invalid mask in shufflevector instruction");
+ }
+ break;
+ case Type::DoubleTyID:
+ for( unsigned i=0; i<src3Size; i++) {
+ unsigned j = Src3.AggregateVal[i].IntVal.getZExtValue();
+ if(j < src1Size)
+ Dest.AggregateVal[i].DoubleVal = Src1.AggregateVal[j].DoubleVal;
+ else if(j < src1Size + src2Size)
+ Dest.AggregateVal[i].DoubleVal =
+ Src2.AggregateVal[j-src1Size].DoubleVal;
+ else
+ llvm_unreachable("Invalid mask in shufflevector instruction");
+ }
+ break;
+ }
+ SetValue(&I, Dest, SF);
+}
+
+void Interpreter::visitExtractValueInst(ExtractValueInst &I) {
+ ExecutionContext &SF = ECStack.back();
+ Value *Agg = I.getAggregateOperand();
+ GenericValue Dest;
+ GenericValue Src = getOperandValue(Agg, SF);
+
+ ExtractValueInst::idx_iterator IdxBegin = I.idx_begin();
+ unsigned Num = I.getNumIndices();
+ GenericValue *pSrc = &Src;
+
+ for (unsigned i = 0 ; i < Num; ++i) {
+ pSrc = &pSrc->AggregateVal[*IdxBegin];
+ ++IdxBegin;
+ }
+
+ Type *IndexedType = ExtractValueInst::getIndexedType(Agg->getType(), I.getIndices());
+ switch (IndexedType->getTypeID()) {
+ default:
+ llvm_unreachable("Unhandled dest type for extractelement instruction");
+ break;
+ case Type::IntegerTyID:
+ Dest.IntVal = pSrc->IntVal;
+ break;
+ case Type::FloatTyID:
+ Dest.FloatVal = pSrc->FloatVal;
+ break;
+ case Type::DoubleTyID:
+ Dest.DoubleVal = pSrc->DoubleVal;
+ break;
+ case Type::ArrayTyID:
+ case Type::StructTyID:
+ case Type::VectorTyID:
+ Dest.AggregateVal = pSrc->AggregateVal;
+ break;
+ case Type::PointerTyID:
+ Dest.PointerVal = pSrc->PointerVal;
+ break;
+ }
+
+ SetValue(&I, Dest, SF);
+}
+
+void Interpreter::visitInsertValueInst(InsertValueInst &I) {
+
+ ExecutionContext &SF = ECStack.back();
+ Value *Agg = I.getAggregateOperand();
+
+ GenericValue Src1 = getOperandValue(Agg, SF);
+ GenericValue Src2 = getOperandValue(I.getOperand(1), SF);
+ GenericValue Dest = Src1; // Dest is a slightly changed Src1
+
+ ExtractValueInst::idx_iterator IdxBegin = I.idx_begin();
+ unsigned Num = I.getNumIndices();
+
+ GenericValue *pDest = &Dest;
+ for (unsigned i = 0 ; i < Num; ++i) {
+ pDest = &pDest->AggregateVal[*IdxBegin];
+ ++IdxBegin;
+ }
+ // pDest points to the target value in the Dest now
+
+ Type *IndexedType = ExtractValueInst::getIndexedType(Agg->getType(), I.getIndices());
+
+ switch (IndexedType->getTypeID()) {
+ default:
+ llvm_unreachable("Unhandled dest type for insertelement instruction");
+ break;
+ case Type::IntegerTyID:
+ pDest->IntVal = Src2.IntVal;
+ break;
+ case Type::FloatTyID:
+ pDest->FloatVal = Src2.FloatVal;
+ break;
+ case Type::DoubleTyID:
+ pDest->DoubleVal = Src2.DoubleVal;
+ break;
+ case Type::ArrayTyID:
+ case Type::StructTyID:
+ case Type::VectorTyID:
+ pDest->AggregateVal = Src2.AggregateVal;
+ break;
+ case Type::PointerTyID:
+ pDest->PointerVal = Src2.PointerVal;
+ break;
+ }
+
+ SetValue(&I, Dest, SF);
+}
+
GenericValue Interpreter::getConstantExprValue (ConstantExpr *CE,
ExecutionContext &SF) {
switch (CE->getOpcode()) {
- case Instruction::Trunc:
+ case Instruction::Trunc:
return executeTruncInst(CE->getOperand(0), CE->getType(), SF);
case Instruction::ZExt:
return executeZExtInst(CE->getOperand(0), CE->getType(), SF);
case Instruction::Select:
return executeSelectInst(getOperandValue(CE->getOperand(0), SF),
getOperandValue(CE->getOperand(1), SF),
- getOperandValue(CE->getOperand(2), SF));
+ getOperandValue(CE->getOperand(2), SF),
+ CE->getOperand(0)->getType());
default :
break;
}
//
void Interpreter::callFunction(Function *F,
const std::vector<GenericValue> &ArgVals) {
- assert((ECStack.empty() || ECStack.back().Caller.getInstruction() == 0 ||
+ assert((ECStack.empty() || !ECStack.back().Caller.getInstruction() ||
ECStack.back().Caller.arg_size() == ArgVals.size()) &&
"Incorrect number of arguments passed into function call!");
// Make a new stack frame... and fill it in.