//
//===----------------------------------------------------------------------===//
-#define DEBUG_TYPE "interpreter"
#include "Interpreter.h"
-#include "llvm/Constants.h"
-#include "llvm/DerivedTypes.h"
-#include "llvm/Instructions.h"
-#include "llvm/CodeGen/IntrinsicLowering.h"
-#include "llvm/Support/GetElementPtrTypeIterator.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/MathExtras.h"
#include <algorithm>
#include <cmath>
-#include <cstring>
using namespace llvm;
+#define DEBUG_TYPE "interpreter"
+
STATISTIC(NumDynamicInsts, "Number of dynamic instructions executed");
-static Interpreter *TheEE = 0;
static cl::opt<bool> PrintVolatile("interpreter-print-volatile", cl::Hidden,
cl::desc("make the interpreter print every volatile load and store"));
// Various Helper Functions
//===----------------------------------------------------------------------===//
-static inline uint64_t doSignExtension(uint64_t Val, const IntegerType* ITy) {
- // Determine if the value is signed or not
- bool isSigned = (Val & (1 << (ITy->getBitWidth()-1))) != 0;
- // If its signed, extend the sign bits
- if (isSigned)
- Val |= ~ITy->getBitMask();
- return Val;
-}
-
static void SetValue(Value *V, GenericValue Val, ExecutionContext &SF) {
SF.Values[V] = Val;
}
-void Interpreter::initializeExecutionEngine() {
- TheEE = this;
-}
-
//===----------------------------------------------------------------------===//
// Binary Instruction Implementations
//===----------------------------------------------------------------------===//
Dest.TY##Val = Src1.TY##Val OP Src2.TY##Val; \
break
-#define IMPLEMENT_INTEGER_BINOP1(OP, TY) \
- case Type::IntegerTyID: { \
- Dest.IntVal = Src1.IntVal OP Src2.IntVal; \
- break; \
- }
-
-
-static void executeAddInst(GenericValue &Dest, GenericValue Src1,
- GenericValue Src2, const Type *Ty) {
+static void executeFAddInst(GenericValue &Dest, GenericValue Src1,
+ GenericValue Src2, Type *Ty) {
switch (Ty->getTypeID()) {
- IMPLEMENT_INTEGER_BINOP1(+, Ty);
IMPLEMENT_BINARY_OPERATOR(+, Float);
IMPLEMENT_BINARY_OPERATOR(+, Double);
default:
- cerr << "Unhandled type for Add instruction: " << *Ty << "\n";
- abort();
+ dbgs() << "Unhandled type for FAdd instruction: " << *Ty << "\n";
+ llvm_unreachable(nullptr);
}
}
-static void executeSubInst(GenericValue &Dest, GenericValue Src1,
- GenericValue Src2, const Type *Ty) {
+static void executeFSubInst(GenericValue &Dest, GenericValue Src1,
+ GenericValue Src2, Type *Ty) {
switch (Ty->getTypeID()) {
- IMPLEMENT_INTEGER_BINOP1(-, Ty);
IMPLEMENT_BINARY_OPERATOR(-, Float);
IMPLEMENT_BINARY_OPERATOR(-, Double);
default:
- cerr << "Unhandled type for Sub instruction: " << *Ty << "\n";
- abort();
+ dbgs() << "Unhandled type for FSub instruction: " << *Ty << "\n";
+ llvm_unreachable(nullptr);
}
}
-static void executeMulInst(GenericValue &Dest, GenericValue Src1,
- GenericValue Src2, const Type *Ty) {
+static void executeFMulInst(GenericValue &Dest, GenericValue Src1,
+ GenericValue Src2, Type *Ty) {
switch (Ty->getTypeID()) {
- IMPLEMENT_INTEGER_BINOP1(*, Ty);
IMPLEMENT_BINARY_OPERATOR(*, Float);
IMPLEMENT_BINARY_OPERATOR(*, Double);
default:
- cerr << "Unhandled type for Mul instruction: " << *Ty << "\n";
- abort();
+ dbgs() << "Unhandled type for FMul instruction: " << *Ty << "\n";
+ llvm_unreachable(nullptr);
}
}
static void executeFDivInst(GenericValue &Dest, GenericValue Src1,
- GenericValue Src2, const Type *Ty) {
+ GenericValue Src2, Type *Ty) {
switch (Ty->getTypeID()) {
IMPLEMENT_BINARY_OPERATOR(/, Float);
IMPLEMENT_BINARY_OPERATOR(/, Double);
default:
- cerr << "Unhandled type for FDiv instruction: " << *Ty << "\n";
- abort();
+ dbgs() << "Unhandled type for FDiv instruction: " << *Ty << "\n";
+ llvm_unreachable(nullptr);
}
}
static void executeFRemInst(GenericValue &Dest, GenericValue Src1,
- GenericValue Src2, const Type *Ty) {
+ GenericValue Src2, Type *Ty) {
switch (Ty->getTypeID()) {
case Type::FloatTyID:
Dest.FloatVal = fmod(Src1.FloatVal, Src2.FloatVal);
Dest.DoubleVal = fmod(Src1.DoubleVal, Src2.DoubleVal);
break;
default:
- cerr << "Unhandled type for Rem instruction: " << *Ty << "\n";
- abort();
+ dbgs() << "Unhandled type for Rem instruction: " << *Ty << "\n";
+ llvm_unreachable(nullptr);
}
}
Dest.IntVal = APInt(1,Src1.IntVal.OP(Src2.IntVal)); \
break;
+#define IMPLEMENT_VECTOR_INTEGER_ICMP(OP, TY) \
+ case Type::VectorTyID: { \
+ assert(Src1.AggregateVal.size() == Src2.AggregateVal.size()); \
+ Dest.AggregateVal.resize( Src1.AggregateVal.size() ); \
+ for( uint32_t _i=0;_i<Src1.AggregateVal.size();_i++) \
+ Dest.AggregateVal[_i].IntVal = APInt(1, \
+ Src1.AggregateVal[_i].IntVal.OP(Src2.AggregateVal[_i].IntVal));\
+ } break;
+
// Handle pointers specially because they must be compared with only as much
// width as the host has. We _do not_ want to be comparing 64 bit values when
// running on a 32-bit target, otherwise the upper 32 bits might mess up
break;
static GenericValue executeICMP_EQ(GenericValue Src1, GenericValue Src2,
- const Type *Ty) {
+ Type *Ty) {
GenericValue Dest;
switch (Ty->getTypeID()) {
IMPLEMENT_INTEGER_ICMP(eq,Ty);
+ IMPLEMENT_VECTOR_INTEGER_ICMP(eq,Ty);
IMPLEMENT_POINTER_ICMP(==);
default:
- cerr << "Unhandled type for ICMP_EQ predicate: " << *Ty << "\n";
- abort();
+ dbgs() << "Unhandled type for ICMP_EQ predicate: " << *Ty << "\n";
+ llvm_unreachable(nullptr);
}
return Dest;
}
static GenericValue executeICMP_NE(GenericValue Src1, GenericValue Src2,
- const Type *Ty) {
+ Type *Ty) {
GenericValue Dest;
switch (Ty->getTypeID()) {
IMPLEMENT_INTEGER_ICMP(ne,Ty);
+ IMPLEMENT_VECTOR_INTEGER_ICMP(ne,Ty);
IMPLEMENT_POINTER_ICMP(!=);
default:
- cerr << "Unhandled type for ICMP_NE predicate: " << *Ty << "\n";
- abort();
+ dbgs() << "Unhandled type for ICMP_NE predicate: " << *Ty << "\n";
+ llvm_unreachable(nullptr);
}
return Dest;
}
static GenericValue executeICMP_ULT(GenericValue Src1, GenericValue Src2,
- const Type *Ty) {
+ Type *Ty) {
GenericValue Dest;
switch (Ty->getTypeID()) {
IMPLEMENT_INTEGER_ICMP(ult,Ty);
+ IMPLEMENT_VECTOR_INTEGER_ICMP(ult,Ty);
IMPLEMENT_POINTER_ICMP(<);
default:
- cerr << "Unhandled type for ICMP_ULT predicate: " << *Ty << "\n";
- abort();
+ dbgs() << "Unhandled type for ICMP_ULT predicate: " << *Ty << "\n";
+ llvm_unreachable(nullptr);
}
return Dest;
}
static GenericValue executeICMP_SLT(GenericValue Src1, GenericValue Src2,
- const Type *Ty) {
+ Type *Ty) {
GenericValue Dest;
switch (Ty->getTypeID()) {
IMPLEMENT_INTEGER_ICMP(slt,Ty);
+ IMPLEMENT_VECTOR_INTEGER_ICMP(slt,Ty);
IMPLEMENT_POINTER_ICMP(<);
default:
- cerr << "Unhandled type for ICMP_SLT predicate: " << *Ty << "\n";
- abort();
+ dbgs() << "Unhandled type for ICMP_SLT predicate: " << *Ty << "\n";
+ llvm_unreachable(nullptr);
}
return Dest;
}
static GenericValue executeICMP_UGT(GenericValue Src1, GenericValue Src2,
- const Type *Ty) {
+ Type *Ty) {
GenericValue Dest;
switch (Ty->getTypeID()) {
IMPLEMENT_INTEGER_ICMP(ugt,Ty);
+ IMPLEMENT_VECTOR_INTEGER_ICMP(ugt,Ty);
IMPLEMENT_POINTER_ICMP(>);
default:
- cerr << "Unhandled type for ICMP_UGT predicate: " << *Ty << "\n";
- abort();
+ dbgs() << "Unhandled type for ICMP_UGT predicate: " << *Ty << "\n";
+ llvm_unreachable(nullptr);
}
return Dest;
}
static GenericValue executeICMP_SGT(GenericValue Src1, GenericValue Src2,
- const Type *Ty) {
+ Type *Ty) {
GenericValue Dest;
switch (Ty->getTypeID()) {
IMPLEMENT_INTEGER_ICMP(sgt,Ty);
+ IMPLEMENT_VECTOR_INTEGER_ICMP(sgt,Ty);
IMPLEMENT_POINTER_ICMP(>);
default:
- cerr << "Unhandled type for ICMP_SGT predicate: " << *Ty << "\n";
- abort();
+ dbgs() << "Unhandled type for ICMP_SGT predicate: " << *Ty << "\n";
+ llvm_unreachable(nullptr);
}
return Dest;
}
static GenericValue executeICMP_ULE(GenericValue Src1, GenericValue Src2,
- const Type *Ty) {
+ Type *Ty) {
GenericValue Dest;
switch (Ty->getTypeID()) {
IMPLEMENT_INTEGER_ICMP(ule,Ty);
+ IMPLEMENT_VECTOR_INTEGER_ICMP(ule,Ty);
IMPLEMENT_POINTER_ICMP(<=);
default:
- cerr << "Unhandled type for ICMP_ULE predicate: " << *Ty << "\n";
- abort();
+ dbgs() << "Unhandled type for ICMP_ULE predicate: " << *Ty << "\n";
+ llvm_unreachable(nullptr);
}
return Dest;
}
static GenericValue executeICMP_SLE(GenericValue Src1, GenericValue Src2,
- const Type *Ty) {
+ Type *Ty) {
GenericValue Dest;
switch (Ty->getTypeID()) {
IMPLEMENT_INTEGER_ICMP(sle,Ty);
+ IMPLEMENT_VECTOR_INTEGER_ICMP(sle,Ty);
IMPLEMENT_POINTER_ICMP(<=);
default:
- cerr << "Unhandled type for ICMP_SLE predicate: " << *Ty << "\n";
- abort();
+ dbgs() << "Unhandled type for ICMP_SLE predicate: " << *Ty << "\n";
+ llvm_unreachable(nullptr);
}
return Dest;
}
static GenericValue executeICMP_UGE(GenericValue Src1, GenericValue Src2,
- const Type *Ty) {
+ Type *Ty) {
GenericValue Dest;
switch (Ty->getTypeID()) {
IMPLEMENT_INTEGER_ICMP(uge,Ty);
+ IMPLEMENT_VECTOR_INTEGER_ICMP(uge,Ty);
IMPLEMENT_POINTER_ICMP(>=);
default:
- cerr << "Unhandled type for ICMP_UGE predicate: " << *Ty << "\n";
- abort();
+ dbgs() << "Unhandled type for ICMP_UGE predicate: " << *Ty << "\n";
+ llvm_unreachable(nullptr);
}
return Dest;
}
static GenericValue executeICMP_SGE(GenericValue Src1, GenericValue Src2,
- const Type *Ty) {
+ Type *Ty) {
GenericValue Dest;
switch (Ty->getTypeID()) {
IMPLEMENT_INTEGER_ICMP(sge,Ty);
+ IMPLEMENT_VECTOR_INTEGER_ICMP(sge,Ty);
IMPLEMENT_POINTER_ICMP(>=);
default:
- cerr << "Unhandled type for ICMP_SGE predicate: " << *Ty << "\n";
- abort();
+ dbgs() << "Unhandled type for ICMP_SGE predicate: " << *Ty << "\n";
+ llvm_unreachable(nullptr);
}
return Dest;
}
void Interpreter::visitICmpInst(ICmpInst &I) {
ExecutionContext &SF = ECStack.back();
- const Type *Ty = I.getOperand(0)->getType();
+ Type *Ty = I.getOperand(0)->getType();
GenericValue Src1 = getOperandValue(I.getOperand(0), SF);
GenericValue Src2 = getOperandValue(I.getOperand(1), SF);
GenericValue R; // Result
case ICmpInst::ICMP_UGE: R = executeICMP_UGE(Src1, Src2, Ty); break;
case ICmpInst::ICMP_SGE: R = executeICMP_SGE(Src1, Src2, Ty); break;
default:
- cerr << "Don't know how to handle this ICmp predicate!\n-->" << I;
- abort();
+ dbgs() << "Don't know how to handle this ICmp predicate!\n-->" << I;
+ llvm_unreachable(nullptr);
}
SetValue(&I, R, SF);
Dest.IntVal = APInt(1,Src1.TY##Val OP Src2.TY##Val); \
break
+#define IMPLEMENT_VECTOR_FCMP_T(OP, TY) \
+ assert(Src1.AggregateVal.size() == Src2.AggregateVal.size()); \
+ Dest.AggregateVal.resize( Src1.AggregateVal.size() ); \
+ for( uint32_t _i=0;_i<Src1.AggregateVal.size();_i++) \
+ Dest.AggregateVal[_i].IntVal = APInt(1, \
+ Src1.AggregateVal[_i].TY##Val OP Src2.AggregateVal[_i].TY##Val);\
+ break;
+
+#define IMPLEMENT_VECTOR_FCMP(OP) \
+ case Type::VectorTyID: \
+ if(dyn_cast<VectorType>(Ty)->getElementType()->isFloatTy()) { \
+ IMPLEMENT_VECTOR_FCMP_T(OP, Float); \
+ } else { \
+ IMPLEMENT_VECTOR_FCMP_T(OP, Double); \
+ }
+
static GenericValue executeFCMP_OEQ(GenericValue Src1, GenericValue Src2,
- const Type *Ty) {
+ Type *Ty) {
GenericValue Dest;
switch (Ty->getTypeID()) {
IMPLEMENT_FCMP(==, Float);
IMPLEMENT_FCMP(==, Double);
+ IMPLEMENT_VECTOR_FCMP(==);
default:
- cerr << "Unhandled type for FCmp EQ instruction: " << *Ty << "\n";
- abort();
+ dbgs() << "Unhandled type for FCmp EQ instruction: " << *Ty << "\n";
+ llvm_unreachable(nullptr);
}
return Dest;
}
+#define IMPLEMENT_SCALAR_NANS(TY, X,Y) \
+ if (TY->isFloatTy()) { \
+ if (X.FloatVal != X.FloatVal || Y.FloatVal != Y.FloatVal) { \
+ Dest.IntVal = APInt(1,false); \
+ return Dest; \
+ } \
+ } else { \
+ if (X.DoubleVal != X.DoubleVal || Y.DoubleVal != Y.DoubleVal) { \
+ Dest.IntVal = APInt(1,false); \
+ return Dest; \
+ } \
+ }
+
+#define MASK_VECTOR_NANS_T(X,Y, TZ, FLAG) \
+ assert(X.AggregateVal.size() == Y.AggregateVal.size()); \
+ Dest.AggregateVal.resize( X.AggregateVal.size() ); \
+ for( uint32_t _i=0;_i<X.AggregateVal.size();_i++) { \
+ if (X.AggregateVal[_i].TZ##Val != X.AggregateVal[_i].TZ##Val || \
+ Y.AggregateVal[_i].TZ##Val != Y.AggregateVal[_i].TZ##Val) \
+ Dest.AggregateVal[_i].IntVal = APInt(1,FLAG); \
+ else { \
+ Dest.AggregateVal[_i].IntVal = APInt(1,!FLAG); \
+ } \
+ }
+
+#define MASK_VECTOR_NANS(TY, X,Y, FLAG) \
+ if (TY->isVectorTy()) { \
+ if (dyn_cast<VectorType>(TY)->getElementType()->isFloatTy()) { \
+ MASK_VECTOR_NANS_T(X, Y, Float, FLAG) \
+ } else { \
+ MASK_VECTOR_NANS_T(X, Y, Double, FLAG) \
+ } \
+ } \
+
+
+
static GenericValue executeFCMP_ONE(GenericValue Src1, GenericValue Src2,
- const Type *Ty) {
+ Type *Ty)
+{
GenericValue Dest;
+ // if input is scalar value and Src1 or Src2 is NaN return false
+ IMPLEMENT_SCALAR_NANS(Ty, Src1, Src2)
+ // if vector input detect NaNs and fill mask
+ MASK_VECTOR_NANS(Ty, Src1, Src2, false)
+ GenericValue DestMask = Dest;
switch (Ty->getTypeID()) {
IMPLEMENT_FCMP(!=, Float);
IMPLEMENT_FCMP(!=, Double);
-
- default:
- cerr << "Unhandled type for FCmp NE instruction: " << *Ty << "\n";
- abort();
+ IMPLEMENT_VECTOR_FCMP(!=);
+ default:
+ dbgs() << "Unhandled type for FCmp NE instruction: " << *Ty << "\n";
+ llvm_unreachable(nullptr);
}
+ // in vector case mask out NaN elements
+ if (Ty->isVectorTy())
+ for( size_t _i=0; _i<Src1.AggregateVal.size(); _i++)
+ if (DestMask.AggregateVal[_i].IntVal == false)
+ Dest.AggregateVal[_i].IntVal = APInt(1,false);
+
return Dest;
}
static GenericValue executeFCMP_OLE(GenericValue Src1, GenericValue Src2,
- const Type *Ty) {
+ Type *Ty) {
GenericValue Dest;
switch (Ty->getTypeID()) {
IMPLEMENT_FCMP(<=, Float);
IMPLEMENT_FCMP(<=, Double);
+ IMPLEMENT_VECTOR_FCMP(<=);
default:
- cerr << "Unhandled type for FCmp LE instruction: " << *Ty << "\n";
- abort();
+ dbgs() << "Unhandled type for FCmp LE instruction: " << *Ty << "\n";
+ llvm_unreachable(nullptr);
}
return Dest;
}
static GenericValue executeFCMP_OGE(GenericValue Src1, GenericValue Src2,
- const Type *Ty) {
+ Type *Ty) {
GenericValue Dest;
switch (Ty->getTypeID()) {
IMPLEMENT_FCMP(>=, Float);
IMPLEMENT_FCMP(>=, Double);
+ IMPLEMENT_VECTOR_FCMP(>=);
default:
- cerr << "Unhandled type for FCmp GE instruction: " << *Ty << "\n";
- abort();
+ dbgs() << "Unhandled type for FCmp GE instruction: " << *Ty << "\n";
+ llvm_unreachable(nullptr);
}
return Dest;
}
static GenericValue executeFCMP_OLT(GenericValue Src1, GenericValue Src2,
- const Type *Ty) {
+ Type *Ty) {
GenericValue Dest;
switch (Ty->getTypeID()) {
IMPLEMENT_FCMP(<, Float);
IMPLEMENT_FCMP(<, Double);
+ IMPLEMENT_VECTOR_FCMP(<);
default:
- cerr << "Unhandled type for FCmp LT instruction: " << *Ty << "\n";
- abort();
+ dbgs() << "Unhandled type for FCmp LT instruction: " << *Ty << "\n";
+ llvm_unreachable(nullptr);
}
return Dest;
}
static GenericValue executeFCMP_OGT(GenericValue Src1, GenericValue Src2,
- const Type *Ty) {
+ Type *Ty) {
GenericValue Dest;
switch (Ty->getTypeID()) {
IMPLEMENT_FCMP(>, Float);
IMPLEMENT_FCMP(>, Double);
+ IMPLEMENT_VECTOR_FCMP(>);
default:
- cerr << "Unhandled type for FCmp GT instruction: " << *Ty << "\n";
- abort();
+ dbgs() << "Unhandled type for FCmp GT instruction: " << *Ty << "\n";
+ llvm_unreachable(nullptr);
}
return Dest;
}
#define IMPLEMENT_UNORDERED(TY, X,Y) \
- if (TY == Type::FloatTy) { \
+ if (TY->isFloatTy()) { \
if (X.FloatVal != X.FloatVal || Y.FloatVal != Y.FloatVal) { \
Dest.IntVal = APInt(1,true); \
return Dest; \
return Dest; \
}
+#define IMPLEMENT_VECTOR_UNORDERED(TY, X, Y, FUNC) \
+ if (TY->isVectorTy()) { \
+ GenericValue DestMask = Dest; \
+ Dest = FUNC(Src1, Src2, Ty); \
+ for (size_t _i = 0; _i < Src1.AggregateVal.size(); _i++) \
+ if (DestMask.AggregateVal[_i].IntVal == true) \
+ Dest.AggregateVal[_i].IntVal = APInt(1, true); \
+ return Dest; \
+ }
static GenericValue executeFCMP_UEQ(GenericValue Src1, GenericValue Src2,
- const Type *Ty) {
+ Type *Ty) {
GenericValue Dest;
IMPLEMENT_UNORDERED(Ty, Src1, Src2)
+ MASK_VECTOR_NANS(Ty, Src1, Src2, true)
+ IMPLEMENT_VECTOR_UNORDERED(Ty, Src1, Src2, executeFCMP_OEQ)
return executeFCMP_OEQ(Src1, Src2, Ty);
+
}
static GenericValue executeFCMP_UNE(GenericValue Src1, GenericValue Src2,
- const Type *Ty) {
+ Type *Ty) {
GenericValue Dest;
IMPLEMENT_UNORDERED(Ty, Src1, Src2)
+ MASK_VECTOR_NANS(Ty, Src1, Src2, true)
+ IMPLEMENT_VECTOR_UNORDERED(Ty, Src1, Src2, executeFCMP_ONE)
return executeFCMP_ONE(Src1, Src2, Ty);
}
static GenericValue executeFCMP_ULE(GenericValue Src1, GenericValue Src2,
- const Type *Ty) {
+ Type *Ty) {
GenericValue Dest;
IMPLEMENT_UNORDERED(Ty, Src1, Src2)
+ MASK_VECTOR_NANS(Ty, Src1, Src2, true)
+ IMPLEMENT_VECTOR_UNORDERED(Ty, Src1, Src2, executeFCMP_OLE)
return executeFCMP_OLE(Src1, Src2, Ty);
}
static GenericValue executeFCMP_UGE(GenericValue Src1, GenericValue Src2,
- const Type *Ty) {
+ Type *Ty) {
GenericValue Dest;
IMPLEMENT_UNORDERED(Ty, Src1, Src2)
+ MASK_VECTOR_NANS(Ty, Src1, Src2, true)
+ IMPLEMENT_VECTOR_UNORDERED(Ty, Src1, Src2, executeFCMP_OGE)
return executeFCMP_OGE(Src1, Src2, Ty);
}
static GenericValue executeFCMP_ULT(GenericValue Src1, GenericValue Src2,
- const Type *Ty) {
+ Type *Ty) {
GenericValue Dest;
IMPLEMENT_UNORDERED(Ty, Src1, Src2)
+ MASK_VECTOR_NANS(Ty, Src1, Src2, true)
+ IMPLEMENT_VECTOR_UNORDERED(Ty, Src1, Src2, executeFCMP_OLT)
return executeFCMP_OLT(Src1, Src2, Ty);
}
static GenericValue executeFCMP_UGT(GenericValue Src1, GenericValue Src2,
- const Type *Ty) {
+ Type *Ty) {
GenericValue Dest;
IMPLEMENT_UNORDERED(Ty, Src1, Src2)
+ MASK_VECTOR_NANS(Ty, Src1, Src2, true)
+ IMPLEMENT_VECTOR_UNORDERED(Ty, Src1, Src2, executeFCMP_OGT)
return executeFCMP_OGT(Src1, Src2, Ty);
}
static GenericValue executeFCMP_ORD(GenericValue Src1, GenericValue Src2,
- const Type *Ty) {
+ Type *Ty) {
GenericValue Dest;
- if (Ty == Type::FloatTy)
+ if(Ty->isVectorTy()) {
+ assert(Src1.AggregateVal.size() == Src2.AggregateVal.size());
+ Dest.AggregateVal.resize( Src1.AggregateVal.size() );
+ if(dyn_cast<VectorType>(Ty)->getElementType()->isFloatTy()) {
+ for( size_t _i=0;_i<Src1.AggregateVal.size();_i++)
+ Dest.AggregateVal[_i].IntVal = APInt(1,
+ ( (Src1.AggregateVal[_i].FloatVal ==
+ Src1.AggregateVal[_i].FloatVal) &&
+ (Src2.AggregateVal[_i].FloatVal ==
+ Src2.AggregateVal[_i].FloatVal)));
+ } else {
+ for( size_t _i=0;_i<Src1.AggregateVal.size();_i++)
+ Dest.AggregateVal[_i].IntVal = APInt(1,
+ ( (Src1.AggregateVal[_i].DoubleVal ==
+ Src1.AggregateVal[_i].DoubleVal) &&
+ (Src2.AggregateVal[_i].DoubleVal ==
+ Src2.AggregateVal[_i].DoubleVal)));
+ }
+ } else if (Ty->isFloatTy())
Dest.IntVal = APInt(1,(Src1.FloatVal == Src1.FloatVal &&
Src2.FloatVal == Src2.FloatVal));
- else
+ else {
Dest.IntVal = APInt(1,(Src1.DoubleVal == Src1.DoubleVal &&
Src2.DoubleVal == Src2.DoubleVal));
+ }
return Dest;
}
static GenericValue executeFCMP_UNO(GenericValue Src1, GenericValue Src2,
- const Type *Ty) {
+ Type *Ty) {
GenericValue Dest;
- if (Ty == Type::FloatTy)
+ if(Ty->isVectorTy()) {
+ assert(Src1.AggregateVal.size() == Src2.AggregateVal.size());
+ Dest.AggregateVal.resize( Src1.AggregateVal.size() );
+ if(dyn_cast<VectorType>(Ty)->getElementType()->isFloatTy()) {
+ for( size_t _i=0;_i<Src1.AggregateVal.size();_i++)
+ Dest.AggregateVal[_i].IntVal = APInt(1,
+ ( (Src1.AggregateVal[_i].FloatVal !=
+ Src1.AggregateVal[_i].FloatVal) ||
+ (Src2.AggregateVal[_i].FloatVal !=
+ Src2.AggregateVal[_i].FloatVal)));
+ } else {
+ for( size_t _i=0;_i<Src1.AggregateVal.size();_i++)
+ Dest.AggregateVal[_i].IntVal = APInt(1,
+ ( (Src1.AggregateVal[_i].DoubleVal !=
+ Src1.AggregateVal[_i].DoubleVal) ||
+ (Src2.AggregateVal[_i].DoubleVal !=
+ Src2.AggregateVal[_i].DoubleVal)));
+ }
+ } else if (Ty->isFloatTy())
Dest.IntVal = APInt(1,(Src1.FloatVal != Src1.FloatVal ||
Src2.FloatVal != Src2.FloatVal));
- else
+ else {
Dest.IntVal = APInt(1,(Src1.DoubleVal != Src1.DoubleVal ||
Src2.DoubleVal != Src2.DoubleVal));
+ }
return Dest;
}
+static GenericValue executeFCMP_BOOL(GenericValue Src1, GenericValue Src2,
+ const Type *Ty, const bool val) {
+ GenericValue Dest;
+ if(Ty->isVectorTy()) {
+ assert(Src1.AggregateVal.size() == Src2.AggregateVal.size());
+ Dest.AggregateVal.resize( Src1.AggregateVal.size() );
+ for( size_t _i=0; _i<Src1.AggregateVal.size(); _i++)
+ Dest.AggregateVal[_i].IntVal = APInt(1,val);
+ } else {
+ Dest.IntVal = APInt(1, val);
+ }
+
+ return Dest;
+}
+
void Interpreter::visitFCmpInst(FCmpInst &I) {
ExecutionContext &SF = ECStack.back();
- const Type *Ty = I.getOperand(0)->getType();
+ Type *Ty = I.getOperand(0)->getType();
GenericValue Src1 = getOperandValue(I.getOperand(0), SF);
GenericValue Src2 = getOperandValue(I.getOperand(1), SF);
GenericValue R; // Result
switch (I.getPredicate()) {
- case FCmpInst::FCMP_FALSE: R.IntVal = APInt(1,false); break;
- case FCmpInst::FCMP_TRUE: R.IntVal = APInt(1,true); break;
+ default:
+ dbgs() << "Don't know how to handle this FCmp predicate!\n-->" << I;
+ llvm_unreachable(nullptr);
+ break;
+ case FCmpInst::FCMP_FALSE: R = executeFCMP_BOOL(Src1, Src2, Ty, false);
+ break;
+ case FCmpInst::FCMP_TRUE: R = executeFCMP_BOOL(Src1, Src2, Ty, true);
+ break;
case FCmpInst::FCMP_ORD: R = executeFCMP_ORD(Src1, Src2, Ty); break;
case FCmpInst::FCMP_UNO: R = executeFCMP_UNO(Src1, Src2, Ty); break;
case FCmpInst::FCMP_UEQ: R = executeFCMP_UEQ(Src1, Src2, Ty); break;
case FCmpInst::FCMP_OLE: R = executeFCMP_OLE(Src1, Src2, Ty); break;
case FCmpInst::FCMP_UGE: R = executeFCMP_UGE(Src1, Src2, Ty); break;
case FCmpInst::FCMP_OGE: R = executeFCMP_OGE(Src1, Src2, Ty); break;
- default:
- cerr << "Don't know how to handle this FCmp predicate!\n-->" << I;
- abort();
}
SetValue(&I, R, SF);
}
static GenericValue executeCmpInst(unsigned predicate, GenericValue Src1,
- GenericValue Src2, const Type *Ty) {
+ GenericValue Src2, Type *Ty) {
GenericValue Result;
switch (predicate) {
case ICmpInst::ICMP_EQ: return executeICMP_EQ(Src1, Src2, Ty);
case FCmpInst::FCMP_ULE: return executeFCMP_ULE(Src1, Src2, Ty);
case FCmpInst::FCMP_OGE: return executeFCMP_OGE(Src1, Src2, Ty);
case FCmpInst::FCMP_UGE: return executeFCMP_UGE(Src1, Src2, Ty);
- case FCmpInst::FCMP_FALSE: {
- GenericValue Result;
- Result.IntVal = APInt(1, false);
- return Result;
- }
- case FCmpInst::FCMP_TRUE: {
- GenericValue Result;
- Result.IntVal = APInt(1, true);
- return Result;
- }
+ case FCmpInst::FCMP_FALSE: return executeFCMP_BOOL(Src1, Src2, Ty, false);
+ case FCmpInst::FCMP_TRUE: return executeFCMP_BOOL(Src1, Src2, Ty, true);
default:
- cerr << "Unhandled Cmp predicate\n";
- abort();
+ dbgs() << "Unhandled Cmp predicate\n";
+ llvm_unreachable(nullptr);
}
}
void Interpreter::visitBinaryOperator(BinaryOperator &I) {
ExecutionContext &SF = ECStack.back();
- const Type *Ty = I.getOperand(0)->getType();
+ Type *Ty = I.getOperand(0)->getType();
GenericValue Src1 = getOperandValue(I.getOperand(0), SF);
GenericValue Src2 = getOperandValue(I.getOperand(1), SF);
GenericValue R; // Result
- switch (I.getOpcode()) {
- case Instruction::Add: executeAddInst (R, Src1, Src2, Ty); break;
- case Instruction::Sub: executeSubInst (R, Src1, Src2, Ty); break;
- case Instruction::Mul: executeMulInst (R, Src1, Src2, Ty); break;
- case Instruction::FDiv: executeFDivInst (R, Src1, Src2, Ty); break;
- case Instruction::FRem: executeFRemInst (R, Src1, Src2, Ty); break;
- case Instruction::UDiv: R.IntVal = Src1.IntVal.udiv(Src2.IntVal); break;
- case Instruction::SDiv: R.IntVal = Src1.IntVal.sdiv(Src2.IntVal); break;
- case Instruction::URem: R.IntVal = Src1.IntVal.urem(Src2.IntVal); break;
- case Instruction::SRem: R.IntVal = Src1.IntVal.srem(Src2.IntVal); break;
- case Instruction::And: R.IntVal = Src1.IntVal & Src2.IntVal; break;
- case Instruction::Or: R.IntVal = Src1.IntVal | Src2.IntVal; break;
- case Instruction::Xor: R.IntVal = Src1.IntVal ^ Src2.IntVal; break;
- default:
- cerr << "Don't know how to handle this binary operator!\n-->" << I;
- abort();
+ // First process vector operation
+ if (Ty->isVectorTy()) {
+ assert(Src1.AggregateVal.size() == Src2.AggregateVal.size());
+ R.AggregateVal.resize(Src1.AggregateVal.size());
+
+ // Macros to execute binary operation 'OP' over integer vectors
+#define INTEGER_VECTOR_OPERATION(OP) \
+ for (unsigned i = 0; i < R.AggregateVal.size(); ++i) \
+ R.AggregateVal[i].IntVal = \
+ Src1.AggregateVal[i].IntVal OP Src2.AggregateVal[i].IntVal;
+
+ // Additional macros to execute binary operations udiv/sdiv/urem/srem since
+ // they have different notation.
+#define INTEGER_VECTOR_FUNCTION(OP) \
+ for (unsigned i = 0; i < R.AggregateVal.size(); ++i) \
+ R.AggregateVal[i].IntVal = \
+ Src1.AggregateVal[i].IntVal.OP(Src2.AggregateVal[i].IntVal);
+
+ // Macros to execute binary operation 'OP' over floating point type TY
+ // (float or double) vectors
+#define FLOAT_VECTOR_FUNCTION(OP, TY) \
+ for (unsigned i = 0; i < R.AggregateVal.size(); ++i) \
+ R.AggregateVal[i].TY = \
+ Src1.AggregateVal[i].TY OP Src2.AggregateVal[i].TY;
+
+ // Macros to choose appropriate TY: float or double and run operation
+ // execution
+#define FLOAT_VECTOR_OP(OP) { \
+ if (dyn_cast<VectorType>(Ty)->getElementType()->isFloatTy()) \
+ FLOAT_VECTOR_FUNCTION(OP, FloatVal) \
+ else { \
+ if (dyn_cast<VectorType>(Ty)->getElementType()->isDoubleTy()) \
+ FLOAT_VECTOR_FUNCTION(OP, DoubleVal) \
+ else { \
+ dbgs() << "Unhandled type for OP instruction: " << *Ty << "\n"; \
+ llvm_unreachable(0); \
+ } \
+ } \
+}
+
+ switch(I.getOpcode()){
+ default:
+ dbgs() << "Don't know how to handle this binary operator!\n-->" << I;
+ llvm_unreachable(nullptr);
+ break;
+ case Instruction::Add: INTEGER_VECTOR_OPERATION(+) break;
+ case Instruction::Sub: INTEGER_VECTOR_OPERATION(-) break;
+ case Instruction::Mul: INTEGER_VECTOR_OPERATION(*) break;
+ case Instruction::UDiv: INTEGER_VECTOR_FUNCTION(udiv) break;
+ case Instruction::SDiv: INTEGER_VECTOR_FUNCTION(sdiv) break;
+ case Instruction::URem: INTEGER_VECTOR_FUNCTION(urem) break;
+ case Instruction::SRem: INTEGER_VECTOR_FUNCTION(srem) break;
+ case Instruction::And: INTEGER_VECTOR_OPERATION(&) break;
+ case Instruction::Or: INTEGER_VECTOR_OPERATION(|) break;
+ case Instruction::Xor: INTEGER_VECTOR_OPERATION(^) break;
+ case Instruction::FAdd: FLOAT_VECTOR_OP(+) break;
+ case Instruction::FSub: FLOAT_VECTOR_OP(-) break;
+ case Instruction::FMul: FLOAT_VECTOR_OP(*) break;
+ case Instruction::FDiv: FLOAT_VECTOR_OP(/) break;
+ case Instruction::FRem:
+ if (dyn_cast<VectorType>(Ty)->getElementType()->isFloatTy())
+ for (unsigned i = 0; i < R.AggregateVal.size(); ++i)
+ R.AggregateVal[i].FloatVal =
+ fmod(Src1.AggregateVal[i].FloatVal, Src2.AggregateVal[i].FloatVal);
+ else {
+ if (dyn_cast<VectorType>(Ty)->getElementType()->isDoubleTy())
+ for (unsigned i = 0; i < R.AggregateVal.size(); ++i)
+ R.AggregateVal[i].DoubleVal =
+ fmod(Src1.AggregateVal[i].DoubleVal, Src2.AggregateVal[i].DoubleVal);
+ else {
+ dbgs() << "Unhandled type for Rem instruction: " << *Ty << "\n";
+ llvm_unreachable(nullptr);
+ }
+ }
+ break;
+ }
+ } else {
+ switch (I.getOpcode()) {
+ default:
+ dbgs() << "Don't know how to handle this binary operator!\n-->" << I;
+ llvm_unreachable(nullptr);
+ break;
+ case Instruction::Add: R.IntVal = Src1.IntVal + Src2.IntVal; break;
+ case Instruction::Sub: R.IntVal = Src1.IntVal - Src2.IntVal; break;
+ case Instruction::Mul: R.IntVal = Src1.IntVal * Src2.IntVal; break;
+ case Instruction::FAdd: executeFAddInst(R, Src1, Src2, Ty); break;
+ case Instruction::FSub: executeFSubInst(R, Src1, Src2, Ty); break;
+ case Instruction::FMul: executeFMulInst(R, Src1, Src2, Ty); break;
+ case Instruction::FDiv: executeFDivInst(R, Src1, Src2, Ty); break;
+ case Instruction::FRem: executeFRemInst(R, Src1, Src2, Ty); break;
+ case Instruction::UDiv: R.IntVal = Src1.IntVal.udiv(Src2.IntVal); break;
+ case Instruction::SDiv: R.IntVal = Src1.IntVal.sdiv(Src2.IntVal); break;
+ case Instruction::URem: R.IntVal = Src1.IntVal.urem(Src2.IntVal); break;
+ case Instruction::SRem: R.IntVal = Src1.IntVal.srem(Src2.IntVal); break;
+ case Instruction::And: R.IntVal = Src1.IntVal & Src2.IntVal; break;
+ case Instruction::Or: R.IntVal = Src1.IntVal | Src2.IntVal; break;
+ case Instruction::Xor: R.IntVal = Src1.IntVal ^ Src2.IntVal; break;
+ }
}
-
SetValue(&I, R, SF);
}
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
//===----------------------------------------------------------------------===//
// runAtExitHandlers() assumes there are no stack frames, but
// if exit() was called, then it had a stack frame. Blow away
// the stack before interpreting atexit handlers.
- ECStack.clear ();
- runAtExitHandlers ();
- exit (GV.IntVal.zextOrTrunc(32).getZExtValue());
+ ECStack.clear();
+ runAtExitHandlers();
+ exit(GV.IntVal.zextOrTrunc(32).getZExtValue());
}
/// Pop the last stack frame off of ECStack and then copy the result
/// care of switching to the normal destination BB, if we are returning
/// from an invoke.
///
-void Interpreter::popStackAndReturnValueToCaller (const Type *RetTy,
- GenericValue Result) {
+void Interpreter::popStackAndReturnValueToCaller(Type *RetTy,
+ GenericValue Result) {
// Pop the current stack frame.
ECStack.pop_back();
if (ECStack.empty()) { // Finished main. Put result into exit code...
- if (RetTy && RetTy->isInteger()) { // Nonvoid return type?
+ if (RetTy && !RetTy->isVoidTy()) { // Nonvoid return type?
ExitValue = Result; // Capture the exit value of the program
} else {
memset(&ExitValue.Untyped, 0, sizeof(ExitValue.Untyped));
// fill in the return value...
ExecutionContext &CallingSF = ECStack.back();
if (Instruction *I = CallingSF.Caller.getInstruction()) {
- if (CallingSF.Caller.getType() != Type::VoidTy) // Save result...
+ // Save result...
+ if (!CallingSF.Caller.getType()->isVoidTy())
SetValue(I, Result, CallingSF);
if (InvokeInst *II = dyn_cast<InvokeInst> (I))
SwitchToNewBasicBlock (II->getNormalDest (), CallingSF);
void Interpreter::visitReturnInst(ReturnInst &I) {
ExecutionContext &SF = ECStack.back();
- const Type *RetTy = Type::VoidTy;
+ Type *RetTy = Type::getVoidTy(I.getContext());
GenericValue Result;
// Save away the return value... (if we are not 'ret void')
popStackAndReturnValueToCaller(RetTy, Result);
}
-void Interpreter::visitUnwindInst(UnwindInst &I) {
- // Unwind stack
- Instruction *Inst;
- do {
- ECStack.pop_back ();
- if (ECStack.empty ())
- abort ();
- Inst = ECStack.back ().Caller.getInstruction ();
- } while (!(Inst && isa<InvokeInst> (Inst)));
-
- // Return from invoke
- ExecutionContext &InvokingSF = ECStack.back ();
- InvokingSF.Caller = CallSite ();
-
- // Go to exceptional destination BB of invoke instruction
- SwitchToNewBasicBlock(cast<InvokeInst>(Inst)->getUnwindDest(), InvokingSF);
-}
-
void Interpreter::visitUnreachableInst(UnreachableInst &I) {
- cerr << "ERROR: Program executed an 'unreachable' instruction!\n";
- abort();
+ report_fatal_error("Program executed an 'unreachable' instruction!");
}
void Interpreter::visitBranchInst(BranchInst &I) {
void Interpreter::visitSwitchInst(SwitchInst &I) {
ExecutionContext &SF = ECStack.back();
- GenericValue CondVal = getOperandValue(I.getOperand(0), SF);
- const Type *ElTy = I.getOperand(0)->getType();
+ Value* Cond = I.getCondition();
+ Type *ElTy = Cond->getType();
+ GenericValue CondVal = getOperandValue(Cond, SF);
// Check to see if any of the cases match...
- BasicBlock *Dest = 0;
- for (unsigned i = 2, e = I.getNumOperands(); i != e; i += 2)
- if (executeICMP_EQ(CondVal, getOperandValue(I.getOperand(i), SF), ElTy)
- .IntVal != 0) {
- Dest = cast<BasicBlock>(I.getOperand(i+1));
+ BasicBlock *Dest = nullptr;
+ for (SwitchInst::CaseIt i = I.case_begin(), e = I.case_end(); i != e; ++i) {
+ GenericValue CaseVal = getOperandValue(i.getCaseValue(), SF);
+ if (executeICMP_EQ(CondVal, CaseVal, ElTy).IntVal != 0) {
+ Dest = cast<BasicBlock>(i.getCaseSuccessor());
break;
}
-
+ }
if (!Dest) Dest = I.getDefaultDest(); // No cases matched: use default
SwitchToNewBasicBlock(Dest, SF);
}
+void Interpreter::visitIndirectBrInst(IndirectBrInst &I) {
+ ExecutionContext &SF = ECStack.back();
+ void *Dest = GVTOP(getOperandValue(I.getAddress(), SF));
+ SwitchToNewBasicBlock((BasicBlock*)Dest, SF);
+}
+
+
// SwitchToNewBasicBlock - This method is used to jump to a new basic block.
// This function handles the actual updating of block and instruction iterators
// as well as execution of all of the PHI nodes in the destination block.
// Memory Instruction Implementations
//===----------------------------------------------------------------------===//
-void Interpreter::visitAllocationInst(AllocationInst &I) {
+void Interpreter::visitAllocaInst(AllocaInst &I) {
ExecutionContext &SF = ECStack.back();
- const Type *Ty = I.getType()->getElementType(); // Type to be allocated
+ Type *Ty = I.getType()->getElementType(); // Type to be allocated
// Get the number of elements being allocated by the array...
unsigned NumElements =
getOperandValue(I.getOperand(0), SF).IntVal.getZExtValue();
- unsigned TypeSize = (size_t)TD.getTypePaddedSize(Ty);
+ unsigned TypeSize = (size_t)TD.getTypeAllocSize(Ty);
// Avoid malloc-ing zero bytes, use max()...
unsigned MemToAlloc = std::max(1U, NumElements * TypeSize);
// Allocate enough memory to hold the type...
void *Memory = malloc(MemToAlloc);
- DOUT << "Allocated Type: " << *Ty << " (" << TypeSize << " bytes) x "
- << NumElements << " (Total: " << MemToAlloc << ") at "
- << uintptr_t(Memory) << '\n';
+ DEBUG(dbgs() << "Allocated Type: " << *Ty << " (" << TypeSize << " bytes) x "
+ << NumElements << " (Total: " << MemToAlloc << ") at "
+ << 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)
ECStack.back().Allocas.add(Memory);
}
-void Interpreter::visitFreeInst(FreeInst &I) {
- ExecutionContext &SF = ECStack.back();
- assert(isa<PointerType>(I.getOperand(0)->getType()) && "Freeing nonptr?");
- GenericValue Value = getOperandValue(I.getOperand(0), SF);
- // TODO: Check to make sure memory is allocated
- free(GVTOP(Value)); // Free memory
-}
-
// getElementOffset - The workhorse for getelementptr.
//
GenericValue Interpreter::executeGEPOperation(Value *Ptr, gep_type_iterator I,
gep_type_iterator E,
ExecutionContext &SF) {
- assert(isa<PointerType>(Ptr->getType()) &&
+ assert(Ptr->getType()->isPointerTy() &&
"Cannot getElementOffset of a nonpointer type!");
uint64_t Total = 0;
for (; I != E; ++I) {
- if (const StructType *STy = dyn_cast<StructType>(*I)) {
+ if (StructType *STy = dyn_cast<StructType>(*I)) {
const StructLayout *SLO = TD.getStructLayout(STy);
const ConstantInt *CPU = cast<ConstantInt>(I.getOperand());
Total += SLO->getElementOffset(Index);
} else {
- const SequentialType *ST = cast<SequentialType>(*I);
+ SequentialType *ST = cast<SequentialType>(*I);
// Get the index number for the array... which must be long type...
GenericValue IdxGV = getOperandValue(I.getOperand(), SF);
assert(BitWidth == 64 && "Invalid index type for getelementptr");
Idx = (int64_t)IdxGV.IntVal.getZExtValue();
}
- Total += TD.getTypePaddedSize(ST->getElementType())*Idx;
+ Total += TD.getTypeAllocSize(ST->getElementType())*Idx;
}
}
GenericValue Result;
Result.PointerVal = ((char*)getOperandValue(Ptr, SF).PointerVal) + Total;
- DOUT << "GEP Index " << Total << " bytes.\n";
+ DEBUG(dbgs() << "GEP Index " << Total << " bytes.\n");
return Result;
}
void Interpreter::visitGetElementPtrInst(GetElementPtrInst &I) {
ExecutionContext &SF = ECStack.back();
- SetValue(&I, TheEE->executeGEPOperation(I.getPointerOperand(),
+ SetValue(&I, executeGEPOperation(I.getPointerOperand(),
gep_type_begin(I), gep_type_end(I), SF), SF);
}
LoadValueFromMemory(Result, Ptr, I.getType());
SetValue(&I, Result, SF);
if (I.isVolatile() && PrintVolatile)
- cerr << "Volatile load " << I;
+ dbgs() << "Volatile load " << I;
}
void Interpreter::visitStoreInst(StoreInst &I) {
StoreValueToMemory(Val, (GenericValue *)GVTOP(SRC),
I.getOperand(0)->getType());
if (I.isVolatile() && PrintVolatile)
- cerr << "Volatile store: " << I;
+ dbgs() << "Volatile store: " << I;
}
//===----------------------------------------------------------------------===//
// Check to see if this is an intrinsic function call...
Function *F = CS.getCalledFunction();
- if (F && F->isDeclaration ())
+ if (F && F->isDeclaration())
switch (F->getIntrinsicID()) {
case Intrinsic::not_intrinsic:
break;
e = SF.Caller.arg_end(); i != e; ++i, ++pNum) {
Value *V = *i;
ArgVals.push_back(getOperandValue(V, SF));
- // Promote all integral types whose size is < sizeof(i32) into i32.
- // We do this by zero or sign extending the value as appropriate
- // according to the parameter attributes
- const Type *Ty = V->getType();
- if (Ty->isInteger() && (ArgVals.back().IntVal.getBitWidth() < 32)) {
- if (CS.paramHasAttr(pNum, Attribute::ZExt))
- ArgVals.back().IntVal = ArgVals.back().IntVal.zext(32);
- else if (CS.paramHasAttr(pNum, Attribute::SExt))
- ArgVals.back().IntVal = ArgVals.back().IntVal.sext(32);
- }
}
// To handle indirect calls, we must get the pointer value from the argument
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, const Type *DstTy,
+GenericValue Interpreter::executeTruncInst(Value *SrcVal, Type *DstTy,
ExecutionContext &SF) {
GenericValue Dest, Src = getOperandValue(SrcVal, SF);
- const 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, const Type *DstTy,
+GenericValue Interpreter::executeSExtInst(Value *SrcVal, Type *DstTy,
ExecutionContext &SF) {
+ const Type *SrcTy = SrcVal->getType();
GenericValue Dest, Src = getOperandValue(SrcVal, SF);
- const 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, const Type *DstTy,
+GenericValue Interpreter::executeZExtInst(Value *SrcVal, Type *DstTy,
ExecutionContext &SF) {
+ const Type *SrcTy = SrcVal->getType();
GenericValue Dest, Src = getOperandValue(SrcVal, SF);
- const 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, const Type *DstTy,
+GenericValue Interpreter::executeFPTruncInst(Value *SrcVal, Type *DstTy,
ExecutionContext &SF) {
GenericValue Dest, Src = getOperandValue(SrcVal, SF);
- assert(SrcVal->getType() == Type::DoubleTy && DstTy == Type::FloatTy &&
- "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, const Type *DstTy,
+GenericValue Interpreter::executeFPExtInst(Value *SrcVal, Type *DstTy,
ExecutionContext &SF) {
GenericValue Dest, Src = getOperandValue(SrcVal, SF);
- assert(SrcVal->getType() == Type::FloatTy && DstTy == Type::DoubleTy &&
- "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, const Type *DstTy,
+GenericValue Interpreter::executeFPToUIInst(Value *SrcVal, Type *DstTy,
ExecutionContext &SF) {
- const Type *SrcTy = SrcVal->getType();
- uint32_t DBitWidth = cast<IntegerType>(DstTy)->getBitWidth();
+ Type *SrcTy = SrcVal->getType();
GenericValue Dest, Src = getOperandValue(SrcVal, SF);
- assert(SrcTy->isFloatingPoint() && "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, const Type *DstTy,
+GenericValue Interpreter::executeFPToSIInst(Value *SrcVal, Type *DstTy,
ExecutionContext &SF) {
- const Type *SrcTy = SrcVal->getType();
- uint32_t DBitWidth = cast<IntegerType>(DstTy)->getBitWidth();
+ Type *SrcTy = SrcVal->getType();
GenericValue Dest, Src = getOperandValue(SrcVal, SF);
- assert(SrcTy->isFloatingPoint() && "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, const Type *DstTy,
+GenericValue Interpreter::executeUIToFPInst(Value *SrcVal, Type *DstTy,
ExecutionContext &SF) {
GenericValue Dest, Src = getOperandValue(SrcVal, SF);
- assert(DstTy->isFloatingPoint() && "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, const Type *DstTy,
+GenericValue Interpreter::executeSIToFPInst(Value *SrcVal, Type *DstTy,
ExecutionContext &SF) {
GenericValue Dest, Src = getOperandValue(SrcVal, SF);
- assert(DstTy->isFloatingPoint() && "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, const Type *DstTy,
+GenericValue Interpreter::executePtrToIntInst(Value *SrcVal, Type *DstTy,
ExecutionContext &SF) {
uint32_t DBitWidth = cast<IntegerType>(DstTy)->getBitWidth();
GenericValue Dest, Src = getOperandValue(SrcVal, SF);
- assert(isa<PointerType>(SrcVal->getType()) && "Invalid PtrToInt instruction");
+ assert(SrcVal->getType()->isPointerTy() && "Invalid PtrToInt instruction");
Dest.IntVal = APInt(DBitWidth, (intptr_t) Src.PointerVal);
return Dest;
}
-GenericValue Interpreter::executeIntToPtrInst(Value *SrcVal, const Type *DstTy,
+GenericValue Interpreter::executeIntToPtrInst(Value *SrcVal, Type *DstTy,
ExecutionContext &SF) {
GenericValue Dest, Src = getOperandValue(SrcVal, SF);
- assert(isa<PointerType>(DstTy) && "Invalid PtrToInt instruction");
+ assert(DstTy->isPointerTy() && "Invalid PtrToInt instruction");
uint32_t PtrSize = TD.getPointerSizeInBits();
if (PtrSize != Src.IntVal.getBitWidth())
return Dest;
}
-GenericValue Interpreter::executeBitCastInst(Value *SrcVal, const Type *DstTy,
+GenericValue Interpreter::executeBitCastInst(Value *SrcVal, Type *DstTy,
ExecutionContext &SF) {
-
- const Type *SrcTy = SrcVal->getType();
+
+ // 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 (isa<PointerType>(DstTy)) {
- assert(isa<PointerType>(SrcTy) && "Invalid BitCast");
- Dest.PointerVal = Src.PointerVal;
- } else if (DstTy->isInteger()) {
- if (SrcTy == Type::FloatTy) {
- Dest.IntVal.zext(sizeof(Src.FloatVal) * 8);
- Dest.IntVal.floatToBits(Src.FloatVal);
- } else if (SrcTy == Type::DoubleTy) {
- Dest.IntVal.zext(sizeof(Src.DoubleVal) * 8);
- Dest.IntVal.doubleToBits(Src.DoubleVal);
- } else if (SrcTy->isInteger()) {
- Dest.IntVal = Src.IntVal;
- } else
- assert(0 && "Invalid BitCast");
- } else if (DstTy == Type::FloatTy) {
- if (SrcTy->isInteger())
- Dest.FloatVal = Src.IntVal.bitsToFloat();
- else
- Dest.FloatVal = Src.FloatVal;
- } else if (DstTy == Type::DoubleTy) {
- if (SrcTy->isInteger())
- Dest.DoubleVal = Src.IntVal.bitsToDouble();
- else
- Dest.DoubleVal = Src.DoubleVal;
- } else
- assert(0 && "Invalid Bitcast");
+
+ 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");
+
+ // 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;
}
GenericValue Dest;
GenericValue Src = ECStack[VAList.UIntPairVal.first]
.VarArgs[VAList.UIntPairVal.second];
- const Type *Ty = I.getType();
+ Type *Ty = I.getType();
switch (Ty->getTypeID()) {
- case Type::IntegerTyID: Dest.IntVal = Src.IntVal;
- IMPLEMENT_VAARG(Pointer);
- IMPLEMENT_VAARG(Float);
- IMPLEMENT_VAARG(Double);
+ case Type::IntegerTyID:
+ Dest.IntVal = Src.IntVal;
+ break;
+ IMPLEMENT_VAARG(Pointer);
+ IMPLEMENT_VAARG(Float);
+ IMPLEMENT_VAARG(Double);
default:
- cerr << "Unhandled dest type for vaarg instruction: " << *Ty << "\n";
- abort();
+ dbgs() << "Unhandled dest type for vaarg instruction: " << *Ty << "\n";
+ llvm_unreachable(nullptr);
}
// Set the Value of this Instruction.
++VAList.UIntPairVal.second;
}
+void Interpreter::visitExtractElementInst(ExtractElementInst &I) {
+ ExecutionContext &SF = ECStack.back();
+ GenericValue Src1 = getOperandValue(I.getOperand(0), SF);
+ GenericValue Src2 = getOperandValue(I.getOperand(1), SF);
+ GenericValue Dest;
+
+ Type *Ty = I.getType();
+ const unsigned indx = unsigned(Src2.IntVal.getZExtValue());
+
+ if(Src1.AggregateVal.size() > indx) {
+ switch (Ty->getTypeID()) {
+ default:
+ dbgs() << "Unhandled destination type for extractelement instruction: "
+ << *Ty << "\n";
+ llvm_unreachable(nullptr);
+ break;
+ case Type::IntegerTyID:
+ Dest.IntVal = Src1.AggregateVal[indx].IntVal;
+ break;
+ case Type::FloatTyID:
+ Dest.FloatVal = Src1.AggregateVal[indx].FloatVal;
+ break;
+ case Type::DoubleTyID:
+ Dest.DoubleVal = Src1.AggregateVal[indx].DoubleVal;
+ break;
+ }
+ } else {
+ dbgs() << "Invalid index in extractelement instruction\n";
+ }
+
+ 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;
}
GenericValue Op0 = getOperandValue(CE->getOperand(0), SF);
GenericValue Op1 = getOperandValue(CE->getOperand(1), SF);
GenericValue Dest;
- const Type * Ty = CE->getOperand(0)->getType();
+ Type * Ty = CE->getOperand(0)->getType();
switch (CE->getOpcode()) {
- case Instruction::Add: executeAddInst (Dest, Op0, Op1, Ty); break;
- case Instruction::Sub: executeSubInst (Dest, Op0, Op1, Ty); break;
- case Instruction::Mul: executeMulInst (Dest, Op0, Op1, Ty); break;
+ case Instruction::Add: Dest.IntVal = Op0.IntVal + Op1.IntVal; break;
+ case Instruction::Sub: Dest.IntVal = Op0.IntVal - Op1.IntVal; break;
+ case Instruction::Mul: Dest.IntVal = Op0.IntVal * Op1.IntVal; break;
+ case Instruction::FAdd: executeFAddInst(Dest, Op0, Op1, Ty); break;
+ case Instruction::FSub: executeFSubInst(Dest, Op0, Op1, Ty); break;
+ case Instruction::FMul: executeFMulInst(Dest, Op0, Op1, Ty); break;
case Instruction::FDiv: executeFDivInst(Dest, Op0, Op1, Ty); break;
case Instruction::FRem: executeFRemInst(Dest, Op0, Op1, Ty); break;
case Instruction::SDiv: Dest.IntVal = Op0.IntVal.sdiv(Op1.IntVal); break;
case Instruction::UDiv: Dest.IntVal = Op0.IntVal.udiv(Op1.IntVal); break;
case Instruction::URem: Dest.IntVal = Op0.IntVal.urem(Op1.IntVal); break;
case Instruction::SRem: Dest.IntVal = Op0.IntVal.srem(Op1.IntVal); break;
- case Instruction::And: Dest.IntVal = Op0.IntVal.And(Op1.IntVal); break;
- case Instruction::Or: Dest.IntVal = Op0.IntVal.Or(Op1.IntVal); break;
- case Instruction::Xor: Dest.IntVal = Op0.IntVal.Xor(Op1.IntVal); break;
+ case Instruction::And: Dest.IntVal = Op0.IntVal & Op1.IntVal; break;
+ case Instruction::Or: Dest.IntVal = Op0.IntVal | Op1.IntVal; break;
+ case Instruction::Xor: Dest.IntVal = Op0.IntVal ^ Op1.IntVal; break;
case Instruction::Shl:
Dest.IntVal = Op0.IntVal.shl(Op1.IntVal.getZExtValue());
break;
Dest.IntVal = Op0.IntVal.ashr(Op1.IntVal.getZExtValue());
break;
default:
- cerr << "Unhandled ConstantExpr: " << *CE << "\n";
- abort();
- return GenericValue();
+ dbgs() << "Unhandled ConstantExpr: " << *CE << "\n";
+ llvm_unreachable("Unhandled ConstantExpr");
}
return Dest;
}
//
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.
// Track the number of dynamic instructions executed.
++NumDynamicInsts;
- DOUT << "About to interpret: " << I;
+ DEBUG(dbgs() << "About to interpret: " << I);
visit(I); // Dispatch to one of the visit* methods...
#if 0
// This is not safe, as visiting the instruction could lower it and free I.
-#ifndef NDEBUG
+DEBUG(
if (!isa<CallInst>(I) && !isa<InvokeInst>(I) &&
I.getType() != Type::VoidTy) {
- DOUT << " --> ";
+ dbgs() << " --> ";
const GenericValue &Val = SF.Values[&I];
switch (I.getType()->getTypeID()) {
- default: assert(0 && "Invalid GenericValue Type");
- case Type::VoidTyID: DOUT << "void"; break;
- case Type::FloatTyID: DOUT << "float " << Val.FloatVal; break;
- case Type::DoubleTyID: DOUT << "double " << Val.DoubleVal; break;
- case Type::PointerTyID: DOUT << "void* " << intptr_t(Val.PointerVal);
+ default: llvm_unreachable("Invalid GenericValue Type");
+ case Type::VoidTyID: dbgs() << "void"; break;
+ case Type::FloatTyID: dbgs() << "float " << Val.FloatVal; break;
+ case Type::DoubleTyID: dbgs() << "double " << Val.DoubleVal; break;
+ case Type::PointerTyID: dbgs() << "void* " << intptr_t(Val.PointerVal);
break;
case Type::IntegerTyID:
- DOUT << "i" << Val.IntVal.getBitWidth() << " "
- << Val.IntVal.toStringUnsigned(10)
- << " (0x" << Val.IntVal.toStringUnsigned(16) << ")\n";
+ dbgs() << "i" << Val.IntVal.getBitWidth() << " "
+ << Val.IntVal.toStringUnsigned(10)
+ << " (0x" << Val.IntVal.toStringUnsigned(16) << ")\n";
break;
}
- }
-#endif
+ });
#endif
}
}
projects / oota-llvm.git / blobdiff