//===-- Execution.cpp - Implement code to simulate the program ------------===//
-//
+//
// The LLVM Compiler Infrastructure
//
// This file was developed by the LLVM research group and is distributed under
// the University of Illinois Open Source License. See LICENSE.TXT for details.
-//
+//
//===----------------------------------------------------------------------===//
-//
+//
// This file contains the actual instruction interpreter.
//
//===----------------------------------------------------------------------===//
#include "llvm/Constants.h"
#include "llvm/DerivedTypes.h"
#include "llvm/Instructions.h"
-#include "llvm/IntrinsicLowering.h"
+#include "llvm/CodeGen/IntrinsicLowering.h"
#include "llvm/Support/GetElementPtrTypeIterator.h"
-#include "Support/Statistic.h"
-#include "Support/Debug.h"
-#include <cmath> // For fmod
+#include "llvm/ADT/Statistic.h"
+#include "llvm/Support/Debug.h"
+#include <cmath>
using namespace llvm;
-namespace {
- Statistic<> NumDynamicInsts("lli", "Number of dynamic instructions executed");
-
- Interpreter *TheEE = 0;
-}
+STATISTIC(NumDynamicInsts, "Number of dynamic instructions executed");
+static Interpreter *TheEE = 0;
//===----------------------------------------------------------------------===//
// Value Manipulation code
//===----------------------------------------------------------------------===//
-static GenericValue executeAddInst(GenericValue Src1, GenericValue Src2,
- const Type *Ty);
-static GenericValue executeSubInst(GenericValue Src1, GenericValue Src2,
- const Type *Ty);
-static GenericValue executeMulInst(GenericValue Src1, GenericValue Src2,
- const Type *Ty);
-static GenericValue executeRemInst(GenericValue Src1, GenericValue Src2,
- const Type *Ty);
-static GenericValue executeDivInst(GenericValue Src1, GenericValue Src2,
- const Type *Ty);
-static GenericValue executeAndInst(GenericValue Src1, GenericValue Src2,
- const Type *Ty);
-static GenericValue executeOrInst(GenericValue Src1, GenericValue Src2,
- const Type *Ty);
-static GenericValue executeXorInst(GenericValue Src1, GenericValue Src2,
- const Type *Ty);
-static GenericValue executeSetEQInst(GenericValue Src1, GenericValue Src2,
- const Type *Ty);
-static GenericValue executeSetNEInst(GenericValue Src1, GenericValue Src2,
- const Type *Ty);
-static GenericValue executeSetLTInst(GenericValue Src1, GenericValue Src2,
- const Type *Ty);
-static GenericValue executeSetGTInst(GenericValue Src1, GenericValue Src2,
- const Type *Ty);
-static GenericValue executeSetLEInst(GenericValue Src1, GenericValue Src2,
- const Type *Ty);
-static GenericValue executeSetGEInst(GenericValue Src1, GenericValue Src2,
- const Type *Ty);
-static GenericValue executeShlInst(GenericValue Src1, GenericValue Src2,
- const Type *Ty);
-static GenericValue executeShrInst(GenericValue Src1, GenericValue Src2,
- const Type *Ty);
-static GenericValue executeSelectInst(GenericValue Src1, GenericValue Src2,
+static GenericValue executeAddInst(GenericValue Src1, GenericValue Src2,
+ const Type *Ty);
+static GenericValue executeSubInst(GenericValue Src1, GenericValue Src2,
+ const Type *Ty);
+static GenericValue executeMulInst(GenericValue Src1, GenericValue Src2,
+ const Type *Ty);
+static GenericValue executeUDivInst(GenericValue Src1, GenericValue Src2,
+ const Type *Ty);
+static GenericValue executeSDivInst(GenericValue Src1, GenericValue Src2,
+ const Type *Ty);
+static GenericValue executeFDivInst(GenericValue Src1, GenericValue Src2,
+ const Type *Ty);
+static GenericValue executeURemInst(GenericValue Src1, GenericValue Src2,
+ const Type *Ty);
+static GenericValue executeSRemInst(GenericValue Src1, GenericValue Src2,
+ const Type *Ty);
+static GenericValue executeFRemInst(GenericValue Src1, GenericValue Src2,
+ const Type *Ty);
+static GenericValue executeAndInst(GenericValue Src1, GenericValue Src2,
+ const Type *Ty);
+static GenericValue executeOrInst(GenericValue Src1, GenericValue Src2,
+ const Type *Ty);
+static GenericValue executeXorInst(GenericValue Src1, GenericValue Src2,
+ const Type *Ty);
+static GenericValue executeCmpInst(unsigned predicate, GenericValue Src1,
+ GenericValue Src2, const Type *Ty);
+static GenericValue executeShlInst(GenericValue Src1, GenericValue Src2,
+ const Type *Ty);
+static GenericValue executeLShrInst(GenericValue Src1, GenericValue Src2,
+ const Type *Ty);
+static GenericValue executeAShrInst(GenericValue Src1, GenericValue Src2,
+ const Type *Ty);
+static GenericValue executeSelectInst(GenericValue Src1, GenericValue Src2,
GenericValue Src3);
GenericValue Interpreter::getConstantExprValue (ConstantExpr *CE,
ExecutionContext &SF) {
switch (CE->getOpcode()) {
- case Instruction::Cast:
- return executeCastOperation(CE->getOperand(0), CE->getType(), SF);
+ case Instruction::Trunc:
+ case Instruction::ZExt:
+ case Instruction::SExt:
+ case Instruction::FPTrunc:
+ case Instruction::FPExt:
+ case Instruction::UIToFP:
+ case Instruction::SIToFP:
+ case Instruction::FPToUI:
+ case Instruction::FPToSI:
+ case Instruction::PtrToInt:
+ case Instruction::IntToPtr:
+ case Instruction::BitCast:
+ return executeCastOperation(Instruction::CastOps(CE->getOpcode()),
+ CE->getOperand(0), CE->getType(), SF);
case Instruction::GetElementPtr:
return executeGEPOperation(CE->getOperand(0), gep_type_begin(CE),
gep_type_end(CE), SF);
return executeMulInst(getOperandValue(CE->getOperand(0), SF),
getOperandValue(CE->getOperand(1), SF),
CE->getOperand(0)->getType());
- case Instruction::Div:
- return executeDivInst(getOperandValue(CE->getOperand(0), SF),
+ case Instruction::SDiv:
+ return executeSDivInst(getOperandValue(CE->getOperand(0), SF),
+ getOperandValue(CE->getOperand(1), SF),
+ CE->getOperand(0)->getType());
+ case Instruction::UDiv:
+ return executeUDivInst(getOperandValue(CE->getOperand(0), SF),
+ getOperandValue(CE->getOperand(1), SF),
+ CE->getOperand(0)->getType());
+ case Instruction::FDiv:
+ return executeFDivInst(getOperandValue(CE->getOperand(0), SF),
+ getOperandValue(CE->getOperand(1), SF),
+ CE->getOperand(0)->getType());
+ case Instruction::URem:
+ return executeURemInst(getOperandValue(CE->getOperand(0), SF),
getOperandValue(CE->getOperand(1), SF),
CE->getOperand(0)->getType());
- case Instruction::Rem:
- return executeRemInst(getOperandValue(CE->getOperand(0), SF),
+ case Instruction::SRem:
+ return executeSRemInst(getOperandValue(CE->getOperand(0), SF),
getOperandValue(CE->getOperand(1), SF),
CE->getOperand(0)->getType());
+ case Instruction::FRem:
+ return executeFRemInst(getOperandValue(CE->getOperand(0), SF),
+ getOperandValue(CE->getOperand(1), SF),
+ CE->getOperand(0)->getType());
case Instruction::And:
return executeAndInst(getOperandValue(CE->getOperand(0), SF),
getOperandValue(CE->getOperand(1), SF),
return executeXorInst(getOperandValue(CE->getOperand(0), SF),
getOperandValue(CE->getOperand(1), SF),
CE->getOperand(0)->getType());
- case Instruction::SetEQ:
- return executeSetEQInst(getOperandValue(CE->getOperand(0), SF),
- getOperandValue(CE->getOperand(1), SF),
- CE->getOperand(0)->getType());
- case Instruction::SetNE:
- return executeSetNEInst(getOperandValue(CE->getOperand(0), SF),
- getOperandValue(CE->getOperand(1), SF),
- CE->getOperand(0)->getType());
- case Instruction::SetLE:
- return executeSetLEInst(getOperandValue(CE->getOperand(0), SF),
- getOperandValue(CE->getOperand(1), SF),
- CE->getOperand(0)->getType());
- case Instruction::SetGE:
- return executeSetGEInst(getOperandValue(CE->getOperand(0), SF),
- getOperandValue(CE->getOperand(1), SF),
- CE->getOperand(0)->getType());
- case Instruction::SetLT:
- return executeSetLTInst(getOperandValue(CE->getOperand(0), SF),
- getOperandValue(CE->getOperand(1), SF),
- CE->getOperand(0)->getType());
- case Instruction::SetGT:
- return executeSetGTInst(getOperandValue(CE->getOperand(0), SF),
- getOperandValue(CE->getOperand(1), SF),
- CE->getOperand(0)->getType());
- case Instruction::Shl:
- return executeShlInst(getOperandValue(CE->getOperand(0), SF),
+ case Instruction::FCmp:
+ case Instruction::ICmp:
+ return executeCmpInst(CE->getPredicate(),
+ getOperandValue(CE->getOperand(0), SF),
getOperandValue(CE->getOperand(1), SF),
CE->getOperand(0)->getType());
- case Instruction::Shr:
- return executeShrInst(getOperandValue(CE->getOperand(0), SF),
+ case Instruction::Shl:
+ return executeShlInst(getOperandValue(CE->getOperand(0), SF),
getOperandValue(CE->getOperand(1), SF),
CE->getOperand(0)->getType());
+ case Instruction::LShr:
+ return executeLShrInst(getOperandValue(CE->getOperand(0), SF),
+ getOperandValue(CE->getOperand(1), SF),
+ CE->getOperand(0)->getType());
+ case Instruction::AShr:
+ return executeAShrInst(getOperandValue(CE->getOperand(0), SF),
+ getOperandValue(CE->getOperand(1), SF),
+ CE->getOperand(0)->getType());
case Instruction::Select:
return executeSelectInst(getOperandValue(CE->getOperand(0), SF),
getOperandValue(CE->getOperand(1), SF),
getOperandValue(CE->getOperand(2), SF));
default:
- std::cerr << "Unhandled ConstantExpr: " << CE << "\n";
+ cerr << "Unhandled ConstantExpr: " << *CE << "\n";
abort();
return GenericValue();
}
#define IMPLEMENT_BINARY_OPERATOR(OP, TY) \
case Type::TY##TyID: Dest.TY##Val = Src1.TY##Val OP Src2.TY##Val; break
-static GenericValue executeAddInst(GenericValue Src1, GenericValue Src2,
- const Type *Ty) {
+static GenericValue executeAddInst(GenericValue Src1, GenericValue Src2,
+ const Type *Ty) {
GenericValue Dest;
- switch (Ty->getPrimitiveID()) {
- IMPLEMENT_BINARY_OPERATOR(+, UByte);
- IMPLEMENT_BINARY_OPERATOR(+, SByte);
- IMPLEMENT_BINARY_OPERATOR(+, UShort);
- IMPLEMENT_BINARY_OPERATOR(+, Short);
- IMPLEMENT_BINARY_OPERATOR(+, UInt);
- IMPLEMENT_BINARY_OPERATOR(+, Int);
- IMPLEMENT_BINARY_OPERATOR(+, ULong);
- IMPLEMENT_BINARY_OPERATOR(+, Long);
+ switch (Ty->getTypeID()) {
+ IMPLEMENT_BINARY_OPERATOR(+, Int8);
+ IMPLEMENT_BINARY_OPERATOR(+, Int16);
+ IMPLEMENT_BINARY_OPERATOR(+, Int32);
+ IMPLEMENT_BINARY_OPERATOR(+, Int64);
IMPLEMENT_BINARY_OPERATOR(+, Float);
IMPLEMENT_BINARY_OPERATOR(+, Double);
default:
- std::cout << "Unhandled type for Add instruction: " << *Ty << "\n";
+ cerr << "Unhandled type for Add instruction: " << *Ty << "\n";
abort();
}
return Dest;
}
-static GenericValue executeSubInst(GenericValue Src1, GenericValue Src2,
- const Type *Ty) {
+static GenericValue executeSubInst(GenericValue Src1, GenericValue Src2,
+ const Type *Ty) {
GenericValue Dest;
- switch (Ty->getPrimitiveID()) {
- IMPLEMENT_BINARY_OPERATOR(-, UByte);
- IMPLEMENT_BINARY_OPERATOR(-, SByte);
- IMPLEMENT_BINARY_OPERATOR(-, UShort);
- IMPLEMENT_BINARY_OPERATOR(-, Short);
- IMPLEMENT_BINARY_OPERATOR(-, UInt);
- IMPLEMENT_BINARY_OPERATOR(-, Int);
- IMPLEMENT_BINARY_OPERATOR(-, ULong);
- IMPLEMENT_BINARY_OPERATOR(-, Long);
+ switch (Ty->getTypeID()) {
+ IMPLEMENT_BINARY_OPERATOR(-, Int8);
+ IMPLEMENT_BINARY_OPERATOR(-, Int16);
+ IMPLEMENT_BINARY_OPERATOR(-, Int32);
+ IMPLEMENT_BINARY_OPERATOR(-, Int64);
IMPLEMENT_BINARY_OPERATOR(-, Float);
IMPLEMENT_BINARY_OPERATOR(-, Double);
default:
- std::cout << "Unhandled type for Sub instruction: " << *Ty << "\n";
+ cerr << "Unhandled type for Sub instruction: " << *Ty << "\n";
abort();
}
return Dest;
}
-static GenericValue executeMulInst(GenericValue Src1, GenericValue Src2,
- const Type *Ty) {
+static GenericValue executeMulInst(GenericValue Src1, GenericValue Src2,
+ const Type *Ty) {
GenericValue Dest;
- switch (Ty->getPrimitiveID()) {
- IMPLEMENT_BINARY_OPERATOR(*, UByte);
- IMPLEMENT_BINARY_OPERATOR(*, SByte);
- IMPLEMENT_BINARY_OPERATOR(*, UShort);
- IMPLEMENT_BINARY_OPERATOR(*, Short);
- IMPLEMENT_BINARY_OPERATOR(*, UInt);
- IMPLEMENT_BINARY_OPERATOR(*, Int);
- IMPLEMENT_BINARY_OPERATOR(*, ULong);
- IMPLEMENT_BINARY_OPERATOR(*, Long);
+ switch (Ty->getTypeID()) {
+ IMPLEMENT_BINARY_OPERATOR(*, Int8);
+ IMPLEMENT_BINARY_OPERATOR(*, Int16);
+ IMPLEMENT_BINARY_OPERATOR(*, Int32);
+ IMPLEMENT_BINARY_OPERATOR(*, Int64);
IMPLEMENT_BINARY_OPERATOR(*, Float);
IMPLEMENT_BINARY_OPERATOR(*, Double);
default:
- std::cout << "Unhandled type for Mul instruction: " << Ty << "\n";
+ cerr << "Unhandled type for Mul instruction: " << *Ty << "\n";
+ abort();
+ }
+ return Dest;
+}
+
+#define IMPLEMENT_SIGNLESS_BINOP(OP, TY, CAST) \
+ case Type::TY##TyID: Dest.TY##Val = \
+ ((CAST)Src1.TY##Val) OP ((CAST)Src2.TY##Val); break
+
+static GenericValue executeUDivInst(GenericValue Src1, GenericValue Src2,
+ const Type *Ty) {
+ GenericValue Dest;
+ switch (Ty->getTypeID()) {
+ IMPLEMENT_SIGNLESS_BINOP(/, Int8, uint8_t);
+ IMPLEMENT_SIGNLESS_BINOP(/, Int16, uint16_t);
+ IMPLEMENT_SIGNLESS_BINOP(/, Int32, uint32_t);
+ IMPLEMENT_SIGNLESS_BINOP(/, Int64, uint64_t);
+ default:
+ cerr << "Unhandled type for UDiv instruction: " << *Ty << "\n";
+ abort();
+ }
+ return Dest;
+}
+
+static GenericValue executeSDivInst(GenericValue Src1, GenericValue Src2,
+ const Type *Ty) {
+ GenericValue Dest;
+ switch (Ty->getTypeID()) {
+ IMPLEMENT_SIGNLESS_BINOP(/, Int8, int8_t);
+ IMPLEMENT_SIGNLESS_BINOP(/, Int16, int16_t);
+ IMPLEMENT_SIGNLESS_BINOP(/, Int32, int32_t);
+ IMPLEMENT_SIGNLESS_BINOP(/, Int64, int64_t);
+ default:
+ cerr << "Unhandled type for SDiv instruction: " << *Ty << "\n";
abort();
}
return Dest;
}
-static GenericValue executeDivInst(GenericValue Src1, GenericValue Src2,
- const Type *Ty) {
+static GenericValue executeFDivInst(GenericValue Src1, GenericValue Src2,
+ const Type *Ty) {
GenericValue Dest;
- switch (Ty->getPrimitiveID()) {
- IMPLEMENT_BINARY_OPERATOR(/, UByte);
- IMPLEMENT_BINARY_OPERATOR(/, SByte);
- IMPLEMENT_BINARY_OPERATOR(/, UShort);
- IMPLEMENT_BINARY_OPERATOR(/, Short);
- IMPLEMENT_BINARY_OPERATOR(/, UInt);
- IMPLEMENT_BINARY_OPERATOR(/, Int);
- IMPLEMENT_BINARY_OPERATOR(/, ULong);
- IMPLEMENT_BINARY_OPERATOR(/, Long);
+ switch (Ty->getTypeID()) {
IMPLEMENT_BINARY_OPERATOR(/, Float);
IMPLEMENT_BINARY_OPERATOR(/, Double);
default:
- std::cout << "Unhandled type for Div instruction: " << *Ty << "\n";
+ cerr << "Unhandled type for Div instruction: " << *Ty << "\n";
+ abort();
+ }
+ return Dest;
+}
+
+static GenericValue executeURemInst(GenericValue Src1, GenericValue Src2,
+ const Type *Ty) {
+ GenericValue Dest;
+ switch (Ty->getTypeID()) {
+ IMPLEMENT_SIGNLESS_BINOP(%, Int8, uint8_t);
+ IMPLEMENT_SIGNLESS_BINOP(%, Int16, uint16_t);
+ IMPLEMENT_SIGNLESS_BINOP(%, Int32, uint32_t);
+ IMPLEMENT_SIGNLESS_BINOP(%, Int64, uint64_t );
+ default:
+ cerr << "Unhandled type for URem instruction: " << *Ty << "\n";
+ abort();
+ }
+ return Dest;
+}
+
+static GenericValue executeSRemInst(GenericValue Src1, GenericValue Src2,
+ const Type *Ty) {
+ GenericValue Dest;
+ switch (Ty->getTypeID()) {
+ IMPLEMENT_SIGNLESS_BINOP(%, Int8, int8_t);
+ IMPLEMENT_SIGNLESS_BINOP(%, Int16, int16_t);
+ IMPLEMENT_SIGNLESS_BINOP(%, Int32, int32_t);
+ IMPLEMENT_SIGNLESS_BINOP(%, Int64, int64_t);
+ default:
+ cerr << "Unhandled type for Rem instruction: " << *Ty << "\n";
abort();
}
return Dest;
}
-static GenericValue executeRemInst(GenericValue Src1, GenericValue Src2,
- const Type *Ty) {
+static GenericValue executeFRemInst(GenericValue Src1, GenericValue Src2,
+ const Type *Ty) {
GenericValue Dest;
- switch (Ty->getPrimitiveID()) {
- IMPLEMENT_BINARY_OPERATOR(%, UByte);
- IMPLEMENT_BINARY_OPERATOR(%, SByte);
- IMPLEMENT_BINARY_OPERATOR(%, UShort);
- IMPLEMENT_BINARY_OPERATOR(%, Short);
- IMPLEMENT_BINARY_OPERATOR(%, UInt);
- IMPLEMENT_BINARY_OPERATOR(%, Int);
- IMPLEMENT_BINARY_OPERATOR(%, ULong);
- IMPLEMENT_BINARY_OPERATOR(%, Long);
+ switch (Ty->getTypeID()) {
case Type::FloatTyID:
Dest.FloatVal = fmod(Src1.FloatVal, Src2.FloatVal);
break;
Dest.DoubleVal = fmod(Src1.DoubleVal, Src2.DoubleVal);
break;
default:
- std::cout << "Unhandled type for Rem instruction: " << *Ty << "\n";
+ cerr << "Unhandled type for Rem instruction: " << *Ty << "\n";
abort();
}
return Dest;
}
-static GenericValue executeAndInst(GenericValue Src1, GenericValue Src2,
- const Type *Ty) {
+static GenericValue executeAndInst(GenericValue Src1, GenericValue Src2,
+ const Type *Ty) {
GenericValue Dest;
- switch (Ty->getPrimitiveID()) {
+ switch (Ty->getTypeID()) {
IMPLEMENT_BINARY_OPERATOR(&, Bool);
- IMPLEMENT_BINARY_OPERATOR(&, UByte);
- IMPLEMENT_BINARY_OPERATOR(&, SByte);
- IMPLEMENT_BINARY_OPERATOR(&, UShort);
- IMPLEMENT_BINARY_OPERATOR(&, Short);
- IMPLEMENT_BINARY_OPERATOR(&, UInt);
- IMPLEMENT_BINARY_OPERATOR(&, Int);
- IMPLEMENT_BINARY_OPERATOR(&, ULong);
- IMPLEMENT_BINARY_OPERATOR(&, Long);
+ IMPLEMENT_BINARY_OPERATOR(&, Int8);
+ IMPLEMENT_BINARY_OPERATOR(&, Int16);
+ IMPLEMENT_BINARY_OPERATOR(&, Int32);
+ IMPLEMENT_BINARY_OPERATOR(&, Int64);
default:
- std::cout << "Unhandled type for And instruction: " << *Ty << "\n";
+ cerr << "Unhandled type for And instruction: " << *Ty << "\n";
abort();
}
return Dest;
}
-static GenericValue executeOrInst(GenericValue Src1, GenericValue Src2,
+static GenericValue executeOrInst(GenericValue Src1, GenericValue Src2,
const Type *Ty) {
GenericValue Dest;
- switch (Ty->getPrimitiveID()) {
+ switch (Ty->getTypeID()) {
IMPLEMENT_BINARY_OPERATOR(|, Bool);
- IMPLEMENT_BINARY_OPERATOR(|, UByte);
- IMPLEMENT_BINARY_OPERATOR(|, SByte);
- IMPLEMENT_BINARY_OPERATOR(|, UShort);
- IMPLEMENT_BINARY_OPERATOR(|, Short);
- IMPLEMENT_BINARY_OPERATOR(|, UInt);
- IMPLEMENT_BINARY_OPERATOR(|, Int);
- IMPLEMENT_BINARY_OPERATOR(|, ULong);
- IMPLEMENT_BINARY_OPERATOR(|, Long);
+ IMPLEMENT_BINARY_OPERATOR(|, Int8);
+ IMPLEMENT_BINARY_OPERATOR(|, Int16);
+ IMPLEMENT_BINARY_OPERATOR(|, Int32);
+ IMPLEMENT_BINARY_OPERATOR(|, Int64);
default:
- std::cout << "Unhandled type for Or instruction: " << *Ty << "\n";
+ cerr << "Unhandled type for Or instruction: " << *Ty << "\n";
abort();
}
return Dest;
}
-static GenericValue executeXorInst(GenericValue Src1, GenericValue Src2,
+static GenericValue executeXorInst(GenericValue Src1, GenericValue Src2,
const Type *Ty) {
GenericValue Dest;
- switch (Ty->getPrimitiveID()) {
+ switch (Ty->getTypeID()) {
IMPLEMENT_BINARY_OPERATOR(^, Bool);
- IMPLEMENT_BINARY_OPERATOR(^, UByte);
- IMPLEMENT_BINARY_OPERATOR(^, SByte);
- IMPLEMENT_BINARY_OPERATOR(^, UShort);
- IMPLEMENT_BINARY_OPERATOR(^, Short);
- IMPLEMENT_BINARY_OPERATOR(^, UInt);
- IMPLEMENT_BINARY_OPERATOR(^, Int);
- IMPLEMENT_BINARY_OPERATOR(^, ULong);
- IMPLEMENT_BINARY_OPERATOR(^, Long);
+ IMPLEMENT_BINARY_OPERATOR(^, Int8);
+ IMPLEMENT_BINARY_OPERATOR(^, Int16);
+ IMPLEMENT_BINARY_OPERATOR(^, Int32);
+ IMPLEMENT_BINARY_OPERATOR(^, Int64);
default:
- std::cout << "Unhandled type for Xor instruction: " << *Ty << "\n";
+ cerr << "Unhandled type for Xor instruction: " << *Ty << "\n";
abort();
}
return Dest;
}
-#define IMPLEMENT_SETCC(OP, TY) \
- case Type::TY##TyID: Dest.BoolVal = Src1.TY##Val OP Src2.TY##Val; break
+#define IMPLEMENT_ICMP(OP, TY, CAST) \
+ case Type::TY##TyID: Dest.BoolVal = \
+ ((CAST)Src1.TY##Val) OP ((CAST)Src2.TY##Val); 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
// comparisons if they contain garbage.
-#define IMPLEMENT_POINTERSETCC(OP) \
+#define IMPLEMENT_POINTERCMP(OP) \
case Type::PointerTyID: \
Dest.BoolVal = (void*)(intptr_t)Src1.PointerVal OP \
(void*)(intptr_t)Src2.PointerVal; break
-static GenericValue executeSetEQInst(GenericValue Src1, GenericValue Src2,
- const Type *Ty) {
+static GenericValue executeICMP_EQ(GenericValue Src1, GenericValue Src2,
+ const Type *Ty) {
+ GenericValue Dest;
+ switch (Ty->getTypeID()) {
+ IMPLEMENT_ICMP(==, Int8, uint8_t);
+ IMPLEMENT_ICMP(==, Int16, uint16_t);
+ IMPLEMENT_ICMP(==, Int32, uint32_t);
+ IMPLEMENT_ICMP(==, Int64, uint64_t);
+ IMPLEMENT_POINTERCMP(==);
+ default:
+ cerr << "Unhandled type for ICMP_EQ predicate: " << *Ty << "\n";
+ abort();
+ }
+ return Dest;
+}
+
+static GenericValue executeICMP_NE(GenericValue Src1, GenericValue Src2,
+ const Type *Ty) {
+ GenericValue Dest;
+ switch (Ty->getTypeID()) {
+ IMPLEMENT_ICMP(!=, Int8, uint8_t);
+ IMPLEMENT_ICMP(!=, Int16, uint16_t);
+ IMPLEMENT_ICMP(!=, Int32, uint32_t);
+ IMPLEMENT_ICMP(!=, Int64, uint64_t);
+ IMPLEMENT_POINTERCMP(!=);
+ default:
+ cerr << "Unhandled type for ICMP_NE predicate: " << *Ty << "\n";
+ abort();
+ }
+ return Dest;
+}
+
+static GenericValue executeICMP_ULT(GenericValue Src1, GenericValue Src2,
+ const Type *Ty) {
+ GenericValue Dest;
+ switch (Ty->getTypeID()) {
+ IMPLEMENT_ICMP(<, Int8, uint8_t);
+ IMPLEMENT_ICMP(<, Int16, uint16_t);
+ IMPLEMENT_ICMP(<, Int32, uint32_t);
+ IMPLEMENT_ICMP(<, Int64, uint64_t);
+ IMPLEMENT_POINTERCMP(<);
+ default:
+ cerr << "Unhandled type for ICMP_ULT predicate: " << *Ty << "\n";
+ abort();
+ }
+ return Dest;
+}
+
+static GenericValue executeICMP_SLT(GenericValue Src1, GenericValue Src2,
+ const Type *Ty) {
+ GenericValue Dest;
+ switch (Ty->getTypeID()) {
+ IMPLEMENT_ICMP(<, Int8, int8_t);
+ IMPLEMENT_ICMP(<, Int16, int16_t);
+ IMPLEMENT_ICMP(<, Int32, int32_t);
+ IMPLEMENT_ICMP(<, Int64, int64_t);
+ IMPLEMENT_POINTERCMP(<);
+ default:
+ cerr << "Unhandled type for ICMP_SLT predicate: " << *Ty << "\n";
+ abort();
+ }
+ return Dest;
+}
+
+static GenericValue executeICMP_UGT(GenericValue Src1, GenericValue Src2,
+ const Type *Ty) {
+ GenericValue Dest;
+ switch (Ty->getTypeID()) {
+ IMPLEMENT_ICMP(>, Int8, uint8_t);
+ IMPLEMENT_ICMP(>, Int16, uint16_t);
+ IMPLEMENT_ICMP(>, Int32, uint32_t);
+ IMPLEMENT_ICMP(>, Int64, uint64_t);
+ IMPLEMENT_POINTERCMP(>);
+ default:
+ cerr << "Unhandled type for ICMP_UGT predicate: " << *Ty << "\n";
+ abort();
+ }
+ return Dest;
+}
+
+static GenericValue executeICMP_SGT(GenericValue Src1, GenericValue Src2,
+ const Type *Ty) {
GenericValue Dest;
- switch (Ty->getPrimitiveID()) {
- IMPLEMENT_SETCC(==, UByte);
- IMPLEMENT_SETCC(==, SByte);
- IMPLEMENT_SETCC(==, UShort);
- IMPLEMENT_SETCC(==, Short);
- IMPLEMENT_SETCC(==, UInt);
- IMPLEMENT_SETCC(==, Int);
- IMPLEMENT_SETCC(==, ULong);
- IMPLEMENT_SETCC(==, Long);
- IMPLEMENT_SETCC(==, Float);
- IMPLEMENT_SETCC(==, Double);
- IMPLEMENT_POINTERSETCC(==);
+ switch (Ty->getTypeID()) {
+ IMPLEMENT_ICMP(>, Int8, int8_t);
+ IMPLEMENT_ICMP(>, Int16, int16_t);
+ IMPLEMENT_ICMP(>, Int32, int32_t);
+ IMPLEMENT_ICMP(>, Int64, int64_t);
+ IMPLEMENT_POINTERCMP(>);
default:
- std::cout << "Unhandled type for SetEQ instruction: " << *Ty << "\n";
+ cerr << "Unhandled type for ICMP_SGT predicate: " << *Ty << "\n";
abort();
}
return Dest;
}
-static GenericValue executeSetNEInst(GenericValue Src1, GenericValue Src2,
- const Type *Ty) {
+static GenericValue executeICMP_ULE(GenericValue Src1, GenericValue Src2,
+ const Type *Ty) {
GenericValue Dest;
- switch (Ty->getPrimitiveID()) {
- IMPLEMENT_SETCC(!=, UByte);
- IMPLEMENT_SETCC(!=, SByte);
- IMPLEMENT_SETCC(!=, UShort);
- IMPLEMENT_SETCC(!=, Short);
- IMPLEMENT_SETCC(!=, UInt);
- IMPLEMENT_SETCC(!=, Int);
- IMPLEMENT_SETCC(!=, ULong);
- IMPLEMENT_SETCC(!=, Long);
- IMPLEMENT_SETCC(!=, Float);
- IMPLEMENT_SETCC(!=, Double);
- IMPLEMENT_POINTERSETCC(!=);
+ switch (Ty->getTypeID()) {
+ IMPLEMENT_ICMP(<=, Int8, uint8_t);
+ IMPLEMENT_ICMP(<=, Int16, uint16_t);
+ IMPLEMENT_ICMP(<=, Int32, uint32_t);
+ IMPLEMENT_ICMP(<=, Int64, uint64_t);
+ IMPLEMENT_POINTERCMP(<=);
+ default:
+ cerr << "Unhandled type for ICMP_ULE predicate: " << *Ty << "\n";
+ abort();
+ }
+ return Dest;
+}
+static GenericValue executeICMP_SLE(GenericValue Src1, GenericValue Src2,
+ const Type *Ty) {
+ GenericValue Dest;
+ switch (Ty->getTypeID()) {
+ IMPLEMENT_ICMP(<=, Int8, int8_t);
+ IMPLEMENT_ICMP(<=, Int16, int16_t);
+ IMPLEMENT_ICMP(<=, Int32, int32_t);
+ IMPLEMENT_ICMP(<=, Int64, int64_t);
+ IMPLEMENT_POINTERCMP(<=);
default:
- std::cout << "Unhandled type for SetNE instruction: " << *Ty << "\n";
+ cerr << "Unhandled type for ICMP_SLE predicate: " << *Ty << "\n";
abort();
}
return Dest;
}
-static GenericValue executeSetLEInst(GenericValue Src1, GenericValue Src2,
- const Type *Ty) {
+static GenericValue executeICMP_UGE(GenericValue Src1, GenericValue Src2,
+ const Type *Ty) {
GenericValue Dest;
- switch (Ty->getPrimitiveID()) {
- IMPLEMENT_SETCC(<=, UByte);
- IMPLEMENT_SETCC(<=, SByte);
- IMPLEMENT_SETCC(<=, UShort);
- IMPLEMENT_SETCC(<=, Short);
- IMPLEMENT_SETCC(<=, UInt);
- IMPLEMENT_SETCC(<=, Int);
- IMPLEMENT_SETCC(<=, ULong);
- IMPLEMENT_SETCC(<=, Long);
- IMPLEMENT_SETCC(<=, Float);
- IMPLEMENT_SETCC(<=, Double);
- IMPLEMENT_POINTERSETCC(<=);
+ switch (Ty->getTypeID()) {
+ IMPLEMENT_ICMP(>=, Int8, uint8_t);
+ IMPLEMENT_ICMP(>=, Int16, uint16_t);
+ IMPLEMENT_ICMP(>=, Int32, uint32_t);
+ IMPLEMENT_ICMP(>=, Int64, uint64_t);
+ IMPLEMENT_POINTERCMP(>=);
default:
- std::cout << "Unhandled type for SetLE instruction: " << Ty << "\n";
+ cerr << "Unhandled type for ICMP_UGE predicate: " << *Ty << "\n";
abort();
}
return Dest;
}
-static GenericValue executeSetGEInst(GenericValue Src1, GenericValue Src2,
- const Type *Ty) {
+static GenericValue executeICMP_SGE(GenericValue Src1, GenericValue Src2,
+ const Type *Ty) {
GenericValue Dest;
- switch (Ty->getPrimitiveID()) {
- IMPLEMENT_SETCC(>=, UByte);
- IMPLEMENT_SETCC(>=, SByte);
- IMPLEMENT_SETCC(>=, UShort);
- IMPLEMENT_SETCC(>=, Short);
- IMPLEMENT_SETCC(>=, UInt);
- IMPLEMENT_SETCC(>=, Int);
- IMPLEMENT_SETCC(>=, ULong);
- IMPLEMENT_SETCC(>=, Long);
- IMPLEMENT_SETCC(>=, Float);
- IMPLEMENT_SETCC(>=, Double);
- IMPLEMENT_POINTERSETCC(>=);
+ switch (Ty->getTypeID()) {
+ IMPLEMENT_ICMP(>=, Int8, int8_t);
+ IMPLEMENT_ICMP(>=, Int16, int16_t);
+ IMPLEMENT_ICMP(>=, Int32, int32_t);
+ IMPLEMENT_ICMP(>=, Int64, int64_t);
+ IMPLEMENT_POINTERCMP(>=);
default:
- std::cout << "Unhandled type for SetGE instruction: " << *Ty << "\n";
+ cerr << "Unhandled type for ICMP_SGE predicate: " << *Ty << "\n";
abort();
}
return Dest;
}
-static GenericValue executeSetLTInst(GenericValue Src1, GenericValue Src2,
- const Type *Ty) {
+void Interpreter::visitICmpInst(ICmpInst &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 R; // Result
+
+ switch (I.getPredicate()) {
+ case ICmpInst::ICMP_EQ: R = executeICMP_EQ(Src1, Src2, Ty); break;
+ case ICmpInst::ICMP_NE: R = executeICMP_NE(Src1, Src2, Ty); break;
+ case ICmpInst::ICMP_ULT: R = executeICMP_ULT(Src1, Src2, Ty); break;
+ case ICmpInst::ICMP_SLT: R = executeICMP_SLT(Src1, Src2, Ty); break;
+ case ICmpInst::ICMP_UGT: R = executeICMP_UGT(Src1, Src2, Ty); break;
+ case ICmpInst::ICMP_SGT: R = executeICMP_SGT(Src1, Src2, Ty); break;
+ case ICmpInst::ICMP_ULE: R = executeICMP_ULE(Src1, Src2, Ty); break;
+ case ICmpInst::ICMP_SLE: R = executeICMP_SLE(Src1, Src2, Ty); break;
+ 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();
+ }
+
+ SetValue(&I, R, SF);
+}
+
+#define IMPLEMENT_FCMP(OP, TY) \
+ case Type::TY##TyID: Dest.BoolVal = Src1.TY##Val OP Src2.TY##Val; break
+
+static GenericValue executeFCMP_EQ(GenericValue Src1, GenericValue Src2,
+ const Type *Ty) {
GenericValue Dest;
- switch (Ty->getPrimitiveID()) {
- IMPLEMENT_SETCC(<, UByte);
- IMPLEMENT_SETCC(<, SByte);
- IMPLEMENT_SETCC(<, UShort);
- IMPLEMENT_SETCC(<, Short);
- IMPLEMENT_SETCC(<, UInt);
- IMPLEMENT_SETCC(<, Int);
- IMPLEMENT_SETCC(<, ULong);
- IMPLEMENT_SETCC(<, Long);
- IMPLEMENT_SETCC(<, Float);
- IMPLEMENT_SETCC(<, Double);
- IMPLEMENT_POINTERSETCC(<);
+ switch (Ty->getTypeID()) {
+ IMPLEMENT_FCMP(==, Float);
+ IMPLEMENT_FCMP(==, Double);
default:
- std::cout << "Unhandled type for SetLT instruction: " << *Ty << "\n";
+ cerr << "Unhandled type for SetEQ instruction: " << *Ty << "\n";
abort();
}
return Dest;
}
-static GenericValue executeSetGTInst(GenericValue Src1, GenericValue Src2,
- const Type *Ty) {
+static GenericValue executeFCMP_NE(GenericValue Src1, GenericValue Src2,
+ const Type *Ty) {
GenericValue Dest;
- switch (Ty->getPrimitiveID()) {
- IMPLEMENT_SETCC(>, UByte);
- IMPLEMENT_SETCC(>, SByte);
- IMPLEMENT_SETCC(>, UShort);
- IMPLEMENT_SETCC(>, Short);
- IMPLEMENT_SETCC(>, UInt);
- IMPLEMENT_SETCC(>, Int);
- IMPLEMENT_SETCC(>, ULong);
- IMPLEMENT_SETCC(>, Long);
- IMPLEMENT_SETCC(>, Float);
- IMPLEMENT_SETCC(>, Double);
- IMPLEMENT_POINTERSETCC(>);
+ switch (Ty->getTypeID()) {
+ IMPLEMENT_FCMP(!=, Float);
+ IMPLEMENT_FCMP(!=, Double);
+
default:
- std::cout << "Unhandled type for SetGT instruction: " << *Ty << "\n";
+ cerr << "Unhandled type for SetNE instruction: " << *Ty << "\n";
abort();
}
return Dest;
}
+static GenericValue executeFCMP_LE(GenericValue Src1, GenericValue Src2,
+ const Type *Ty) {
+ GenericValue Dest;
+ switch (Ty->getTypeID()) {
+ IMPLEMENT_FCMP(<=, Float);
+ IMPLEMENT_FCMP(<=, Double);
+ default:
+ cerr << "Unhandled type for SetLE instruction: " << *Ty << "\n";
+ abort();
+ }
+ return Dest;
+}
+
+static GenericValue executeFCMP_GE(GenericValue Src1, GenericValue Src2,
+ const Type *Ty) {
+ GenericValue Dest;
+ switch (Ty->getTypeID()) {
+ IMPLEMENT_FCMP(>=, Float);
+ IMPLEMENT_FCMP(>=, Double);
+ default:
+ cerr << "Unhandled type for SetGE instruction: " << *Ty << "\n";
+ abort();
+ }
+ return Dest;
+}
+
+static GenericValue executeFCMP_LT(GenericValue Src1, GenericValue Src2,
+ const Type *Ty) {
+ GenericValue Dest;
+ switch (Ty->getTypeID()) {
+ IMPLEMENT_FCMP(<, Float);
+ IMPLEMENT_FCMP(<, Double);
+ default:
+ cerr << "Unhandled type for SetLT instruction: " << *Ty << "\n";
+ abort();
+ }
+ return Dest;
+}
+
+static GenericValue executeFCMP_GT(GenericValue Src1, GenericValue Src2,
+ const Type *Ty) {
+ GenericValue Dest;
+ switch (Ty->getTypeID()) {
+ IMPLEMENT_FCMP(>, Float);
+ IMPLEMENT_FCMP(>, Double);
+ default:
+ cerr << "Unhandled type for SetGT instruction: " << *Ty << "\n";
+ abort();
+ }
+ return Dest;
+}
+
+void Interpreter::visitFCmpInst(FCmpInst &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 R; // Result
+
+ switch (I.getPredicate()) {
+ case FCmpInst::FCMP_FALSE: R.BoolVal = false;
+ case FCmpInst::FCMP_ORD: R = executeFCMP_EQ(Src1, Src2, Ty); break; ///???
+ case FCmpInst::FCMP_UNO: R = executeFCMP_NE(Src1, Src2, Ty); break; ///???
+ case FCmpInst::FCMP_OEQ:
+ case FCmpInst::FCMP_UEQ: R = executeFCMP_EQ(Src1, Src2, Ty); break;
+ case FCmpInst::FCMP_ONE:
+ case FCmpInst::FCMP_UNE: R = executeFCMP_NE(Src1, Src2, Ty); break;
+ case FCmpInst::FCMP_OLT:
+ case FCmpInst::FCMP_ULT: R = executeFCMP_LT(Src1, Src2, Ty); break;
+ case FCmpInst::FCMP_OGT:
+ case FCmpInst::FCMP_UGT: R = executeFCMP_GT(Src1, Src2, Ty); break;
+ case FCmpInst::FCMP_OLE:
+ case FCmpInst::FCMP_ULE: R = executeFCMP_LE(Src1, Src2, Ty); break;
+ case FCmpInst::FCMP_OGE:
+ case FCmpInst::FCMP_UGE: R = executeFCMP_GE(Src1, Src2, Ty); break;
+ case FCmpInst::FCMP_TRUE: R.BoolVal = true;
+ 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 Result;
+ switch (predicate) {
+ case ICmpInst::ICMP_EQ: return executeICMP_EQ(Src1, Src2, Ty);
+ case ICmpInst::ICMP_NE: return executeICMP_NE(Src1, Src2, Ty);
+ case ICmpInst::ICMP_UGT: return executeICMP_UGT(Src1, Src2, Ty);
+ case ICmpInst::ICMP_SGT: return executeICMP_SGT(Src1, Src2, Ty);
+ case ICmpInst::ICMP_ULT: return executeICMP_ULT(Src1, Src2, Ty);
+ case ICmpInst::ICMP_SLT: return executeICMP_SLT(Src1, Src2, Ty);
+ case ICmpInst::ICMP_UGE: return executeICMP_UGE(Src1, Src2, Ty);
+ case ICmpInst::ICMP_SGE: return executeICMP_SGE(Src1, Src2, Ty);
+ case ICmpInst::ICMP_ULE: return executeICMP_ULE(Src1, Src2, Ty);
+ case ICmpInst::ICMP_SLE: return executeICMP_SLE(Src1, Src2, Ty);
+ case FCmpInst::FCMP_ORD: return executeFCMP_EQ(Src1, Src2, Ty); break;
+ case FCmpInst::FCMP_UNO: return executeFCMP_NE(Src1, Src2, Ty); break;
+ case FCmpInst::FCMP_OEQ:
+ case FCmpInst::FCMP_UEQ: return executeFCMP_EQ(Src1, Src2, Ty); break;
+ case FCmpInst::FCMP_ONE:
+ case FCmpInst::FCMP_UNE: return executeFCMP_NE(Src1, Src2, Ty); break;
+ case FCmpInst::FCMP_OLT:
+ case FCmpInst::FCMP_ULT: return executeFCMP_LT(Src1, Src2, Ty); break;
+ case FCmpInst::FCMP_OGT:
+ case FCmpInst::FCMP_UGT: return executeFCMP_GT(Src1, Src2, Ty); break;
+ case FCmpInst::FCMP_OLE:
+ case FCmpInst::FCMP_ULE: return executeFCMP_LE(Src1, Src2, Ty); break;
+ case FCmpInst::FCMP_OGE:
+ case FCmpInst::FCMP_UGE: return executeFCMP_GE(Src1, Src2, Ty); break;
+ case FCmpInst::FCMP_FALSE: {
+ GenericValue Result;
+ Result.BoolVal = false;
+ return Result;
+ }
+ case FCmpInst::FCMP_TRUE: {
+ GenericValue Result;
+ Result.BoolVal = true;
+ return Result;
+ }
+ default:
+ cerr << "Unhandled Cmp predicate\n";
+ abort();
+ }
+}
+
void Interpreter::visitBinaryOperator(BinaryOperator &I) {
ExecutionContext &SF = ECStack.back();
const Type *Ty = I.getOperand(0)->getType();
case Instruction::Add: R = executeAddInst (Src1, Src2, Ty); break;
case Instruction::Sub: R = executeSubInst (Src1, Src2, Ty); break;
case Instruction::Mul: R = executeMulInst (Src1, Src2, Ty); break;
- case Instruction::Div: R = executeDivInst (Src1, Src2, Ty); break;
- case Instruction::Rem: R = executeRemInst (Src1, Src2, Ty); break;
+ case Instruction::UDiv: R = executeUDivInst (Src1, Src2, Ty); break;
+ case Instruction::SDiv: R = executeSDivInst (Src1, Src2, Ty); break;
+ case Instruction::FDiv: R = executeFDivInst (Src1, Src2, Ty); break;
+ case Instruction::URem: R = executeURemInst (Src1, Src2, Ty); break;
+ case Instruction::SRem: R = executeSRemInst (Src1, Src2, Ty); break;
+ case Instruction::FRem: R = executeFRemInst (Src1, Src2, Ty); break;
case Instruction::And: R = executeAndInst (Src1, Src2, Ty); break;
case Instruction::Or: R = executeOrInst (Src1, Src2, Ty); break;
case Instruction::Xor: R = executeXorInst (Src1, Src2, Ty); break;
- case Instruction::SetEQ: R = executeSetEQInst(Src1, Src2, Ty); break;
- case Instruction::SetNE: R = executeSetNEInst(Src1, Src2, Ty); break;
- case Instruction::SetLE: R = executeSetLEInst(Src1, Src2, Ty); break;
- case Instruction::SetGE: R = executeSetGEInst(Src1, Src2, Ty); break;
- case Instruction::SetLT: R = executeSetLTInst(Src1, Src2, Ty); break;
- case Instruction::SetGT: R = executeSetGTInst(Src1, Src2, Ty); break;
default:
- std::cout << "Don't know how to handle this binary operator!\n-->" << I;
+ cerr << "Don't know how to handle this binary operator!\n-->" << I;
abort();
}
SetValue(&I, R, SF);
}
-static GenericValue executeSelectInst(GenericValue Src1, GenericValue Src2,
+static GenericValue executeSelectInst(GenericValue Src1, GenericValue Src2,
GenericValue Src3) {
return Src1.BoolVal ? Src2 : Src3;
}
// the stack before interpreting atexit handlers.
ECStack.clear ();
runAtExitHandlers ();
- exit (GV.IntVal);
+ exit (GV.Int32Val);
}
/// Pop the last stack frame off of ECStack and then copy the result
/// back into the result variable if we are not returning void. The
-/// result variable may be the ExitCode, or the Value of the calling
+/// result variable may be the ExitValue, or the Value of the calling
/// CallInst if there was a previous stack frame. This method may
/// invalidate any ECStack iterators you have. This method also takes
/// care of switching to the normal destination BB, if we are returning
// Pop the current stack frame.
ECStack.pop_back();
- if (ECStack.empty()) { // Finished main. Put result into exit code...
- if (RetTy && RetTy->isIntegral()) { // Nonvoid return type?
- ExitCode = Result.IntVal; // Capture the exit code of the program
- } else {
- ExitCode = 0;
- }
- } else {
- // If we have a previous stack frame, and we have a previous call,
- // fill in the return value...
+ if (ECStack.empty()) { // Finished main. Put result into exit code...
+ if (RetTy && RetTy->isIntegral()) { // Nonvoid return type?
+ ExitValue = Result; // Capture the exit value of the program
+ } else {
+ memset(&ExitValue, 0, sizeof(ExitValue));
+ }
+ } else {
+ // If we have a previous stack frame, and we have a previous call,
+ // fill in the return value...
ExecutionContext &CallingSF = ECStack.back();
if (Instruction *I = CallingSF.Caller.getInstruction()) {
if (CallingSF.Caller.getType() != Type::VoidTy) // Save result...
SwitchToNewBasicBlock(cast<InvokeInst>(Inst)->getUnwindDest(), InvokingSF);
}
+void Interpreter::visitUnreachableInst(UnreachableInst &I) {
+ cerr << "ERROR: Program executed an 'unreachable' instruction!\n";
+ abort();
+}
+
void Interpreter::visitBranchInst(BranchInst &I) {
ExecutionContext &SF = ECStack.back();
BasicBlock *Dest;
if (!I.isUnconditional()) {
Value *Cond = I.getCondition();
if (getOperandValue(Cond, SF).BoolVal == 0) // If false cond...
- Dest = I.getSuccessor(1);
+ Dest = I.getSuccessor(1);
}
SwitchToNewBasicBlock(Dest, 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 (executeSetEQInst(CondVal,
- getOperandValue(I.getOperand(i), SF), ElTy).BoolVal) {
+ if (executeICMP_EQ(CondVal,
+ getOperandValue(I.getOperand(i), SF), ElTy).BoolVal) {
Dest = cast<BasicBlock>(I.getOperand(i+1));
break;
}
-
+
if (!Dest) Dest = I.getDefaultDest(); // No cases matched: use default
SwitchToNewBasicBlock(Dest, SF);
}
int i = PN->getBasicBlockIndex(PrevBB);
assert(i != -1 && "PHINode doesn't contain entry for predecessor??");
Value *IncomingValue = PN->getIncomingValue(i);
-
+
// Save the incoming value for this PHI node...
ResultValues.push_back(getOperandValue(IncomingValue, SF));
}
// Now loop over all of the PHI nodes setting their values...
SF.CurInst = SF.CurBB->begin();
- for (unsigned i = 0; PHINode *PN = dyn_cast<PHINode>(SF.CurInst);
- ++SF.CurInst, ++i)
+ for (unsigned i = 0; isa<PHINode>(SF.CurInst); ++SF.CurInst, ++i) {
+ PHINode *PN = cast<PHINode>(SF.CurInst);
SetValue(PN, ResultValues[i], SF);
+ }
}
//===----------------------------------------------------------------------===//
const 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).UIntVal;
+ unsigned NumElements = getOperandValue(I.getOperand(0), SF).Int32Val;
// Allocate enough memory to hold the type...
- void *Memory = malloc(NumElements * TD.getTypeSize(Ty));
+ void *Memory = malloc(NumElements * (size_t)TD.getTypeSize(Ty));
GenericValue Result = PTOGV(Memory);
assert(Result.PointerVal != 0 && "Null pointer returned by malloc!");
// getElementOffset - The workhorse for getelementptr.
//
GenericValue Interpreter::executeGEPOperation(Value *Ptr, gep_type_iterator I,
- gep_type_iterator E,
- ExecutionContext &SF) {
+ gep_type_iterator E,
+ ExecutionContext &SF) {
assert(isa<PointerType>(Ptr->getType()) &&
"Cannot getElementOffset of a nonpointer type!");
for (; I != E; ++I) {
if (const StructType *STy = dyn_cast<StructType>(*I)) {
const StructLayout *SLO = TD.getStructLayout(STy);
-
- const ConstantUInt *CPU = cast<ConstantUInt>(I.getOperand());
- unsigned Index = CPU->getValue();
-
- Total += SLO->MemberOffsets[Index];
+
+ const ConstantInt *CPU = cast<ConstantInt>(I.getOperand());
+ unsigned Index = unsigned(CPU->getZExtValue());
+
+ Total += (PointerTy)SLO->MemberOffsets[Index];
} else {
const SequentialType *ST = cast<SequentialType>(*I);
// Get the index number for the array... which must be long type...
GenericValue IdxGV = getOperandValue(I.getOperand(), SF);
uint64_t Idx;
- switch (I.getOperand()->getType()->getPrimitiveID()) {
+ switch (I.getOperand()->getType()->getTypeID()) {
default: assert(0 && "Illegal getelementptr index for sequential type!");
- case Type::SByteTyID: Idx = IdxGV.SByteVal; break;
- case Type::ShortTyID: Idx = IdxGV.ShortVal; break;
- case Type::IntTyID: Idx = IdxGV.IntVal; break;
- case Type::LongTyID: Idx = IdxGV.LongVal; break;
- case Type::UByteTyID: Idx = IdxGV.UByteVal; break;
- case Type::UShortTyID: Idx = IdxGV.UShortVal; break;
- case Type::UIntTyID: Idx = IdxGV.UIntVal; break;
- case Type::ULongTyID: Idx = IdxGV.ULongVal; break;
+ case Type::Int8TyID: Idx = IdxGV.Int8Val; break;
+ case Type::Int16TyID: Idx = IdxGV.Int16Val; break;
+ case Type::Int32TyID: Idx = IdxGV.Int32Val; break;
+ case Type::Int64TyID: Idx = IdxGV.Int64Val; break;
}
- Total += TD.getTypeSize(ST->getElementType())*Idx;
+ Total += PointerTy(TD.getTypeSize(ST->getElementType())*Idx);
}
}
// source type.
const Type *Ty = V->getType();
if (Ty->isIntegral() && Ty->getPrimitiveSize() < 4) {
- if (Ty == Type::ShortTy)
- ArgVals.back().IntVal = ArgVals.back().ShortVal;
- else if (Ty == Type::UShortTy)
- ArgVals.back().UIntVal = ArgVals.back().UShortVal;
- else if (Ty == Type::SByteTy)
- ArgVals.back().IntVal = ArgVals.back().SByteVal;
- else if (Ty == Type::UByteTy)
- ArgVals.back().UIntVal = ArgVals.back().UByteVal;
+ if (Ty == Type::Int16Ty)
+ ArgVals.back().Int32Val = ArgVals.back().Int16Val;
+ else if (Ty == Type::Int8Ty)
+ ArgVals.back().Int32Val = ArgVals.back().Int8Val;
else if (Ty == Type::BoolTy)
- ArgVals.back().UIntVal = ArgVals.back().BoolVal;
+ ArgVals.back().Int32Val = ArgVals.back().BoolVal;
else
- assert(0 && "Unknown type!");
+ assert(0 && "Unknown type!");
}
}
- // To handle indirect calls, we must get the pointer value from the argument
+ // To handle indirect calls, we must get the pointer value from the argument
// and treat it as a function pointer.
- GenericValue SRC = getOperandValue(SF.Caller.getCalledValue(), SF);
+ GenericValue SRC = getOperandValue(SF.Caller.getCalledValue(), SF);
callFunction((Function*)GVTOP(SRC), ArgVals);
}
#define IMPLEMENT_SHIFT(OP, TY) \
- case Type::TY##TyID: Dest.TY##Val = Src1.TY##Val OP Src2.UByteVal; break
+ case Type::TY##TyID: Dest.TY##Val = Src1.TY##Val OP Src2.Int8Val; break
+
+#define IMPLEMENT_SIGNLESS_SHIFT(OP, TY, CAST) \
+ case Type::TY##TyID: Dest.TY##Val = ((CAST)Src1.TY##Val) OP Src2.Int8Val; \
+ break
static GenericValue executeShlInst(GenericValue Src1, GenericValue Src2,
const Type *Ty) {
GenericValue Dest;
- switch (Ty->getPrimitiveID()) {
- IMPLEMENT_SHIFT(<<, UByte);
- IMPLEMENT_SHIFT(<<, SByte);
- IMPLEMENT_SHIFT(<<, UShort);
- IMPLEMENT_SHIFT(<<, Short);
- IMPLEMENT_SHIFT(<<, UInt);
- IMPLEMENT_SHIFT(<<, Int);
- IMPLEMENT_SHIFT(<<, ULong);
- IMPLEMENT_SHIFT(<<, Long);
+ switch (Ty->getTypeID()) {
+ IMPLEMENT_SHIFT(<<, Int8);
+ IMPLEMENT_SHIFT(<<, Int16);
+ IMPLEMENT_SHIFT(<<, Int32);
+ IMPLEMENT_SHIFT(<<, Int64);
default:
- std::cout << "Unhandled type for Shl instruction: " << *Ty << "\n";
+ cerr << "Unhandled type for Shl instruction: " << *Ty << "\n";
}
return Dest;
}
-static GenericValue executeShrInst(GenericValue Src1, GenericValue Src2,
- const Type *Ty) {
+static GenericValue executeLShrInst(GenericValue Src1, GenericValue Src2,
+ const Type *Ty) {
+ GenericValue Dest;
+ switch (Ty->getTypeID()) {
+ IMPLEMENT_SIGNLESS_SHIFT(>>, Int8, uint8_t);
+ IMPLEMENT_SIGNLESS_SHIFT(>>, Int16, uint16_t);
+ IMPLEMENT_SIGNLESS_SHIFT(>>, Int32, uint32_t);
+ IMPLEMENT_SIGNLESS_SHIFT(>>, Int64, uint64_t);
+ default:
+ cerr << "Unhandled type for LShr instruction: " << *Ty << "\n";
+ abort();
+ }
+ return Dest;
+}
+
+static GenericValue executeAShrInst(GenericValue Src1, GenericValue Src2,
+ const Type *Ty) {
GenericValue Dest;
- switch (Ty->getPrimitiveID()) {
- IMPLEMENT_SHIFT(>>, UByte);
- IMPLEMENT_SHIFT(>>, SByte);
- IMPLEMENT_SHIFT(>>, UShort);
- IMPLEMENT_SHIFT(>>, Short);
- IMPLEMENT_SHIFT(>>, UInt);
- IMPLEMENT_SHIFT(>>, Int);
- IMPLEMENT_SHIFT(>>, ULong);
- IMPLEMENT_SHIFT(>>, Long);
+ switch (Ty->getTypeID()) {
+ IMPLEMENT_SIGNLESS_SHIFT(>>, Int8, int8_t);
+ IMPLEMENT_SIGNLESS_SHIFT(>>, Int16, int16_t);
+ IMPLEMENT_SIGNLESS_SHIFT(>>, Int32, int32_t);
+ IMPLEMENT_SIGNLESS_SHIFT(>>, Int64, int64_t);
default:
- std::cout << "Unhandled type for Shr instruction: " << *Ty << "\n";
+ cerr << "Unhandled type for AShr instruction: " << *Ty << "\n";
abort();
}
return Dest;
SetValue(&I, Dest, SF);
}
-void Interpreter::visitShr(ShiftInst &I) {
+void Interpreter::visitLShr(ShiftInst &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 Dest;
+ Dest = executeLShrInst (Src1, Src2, Ty);
+ SetValue(&I, Dest, SF);
+}
+
+void Interpreter::visitAShr(ShiftInst &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 Dest;
- Dest = executeShrInst (Src1, Src2, Ty);
+ Dest = executeAShrInst (Src1, Src2, Ty);
SetValue(&I, Dest, SF);
}
-#define IMPLEMENT_CAST(DTY, DCTY, STY) \
- case Type::STY##TyID: Dest.DTY##Val = DCTY Src.STY##Val; break;
-
-#define IMPLEMENT_CAST_CASE_START(DESTTY, DESTCTY) \
- case Type::DESTTY##TyID: \
- switch (SrcTy->getPrimitiveID()) { \
- IMPLEMENT_CAST(DESTTY, DESTCTY, Bool); \
- IMPLEMENT_CAST(DESTTY, DESTCTY, UByte); \
- IMPLEMENT_CAST(DESTTY, DESTCTY, SByte); \
- IMPLEMENT_CAST(DESTTY, DESTCTY, UShort); \
- IMPLEMENT_CAST(DESTTY, DESTCTY, Short); \
- IMPLEMENT_CAST(DESTTY, DESTCTY, UInt); \
- IMPLEMENT_CAST(DESTTY, DESTCTY, Int); \
- IMPLEMENT_CAST(DESTTY, DESTCTY, ULong); \
- IMPLEMENT_CAST(DESTTY, DESTCTY, Long); \
- IMPLEMENT_CAST(DESTTY, DESTCTY, Pointer);
-
-#define IMPLEMENT_CAST_CASE_FP_IMP(DESTTY, DESTCTY) \
- IMPLEMENT_CAST(DESTTY, DESTCTY, Float); \
- IMPLEMENT_CAST(DESTTY, DESTCTY, Double)
-
-#define IMPLEMENT_CAST_CASE_END() \
- default: std::cout << "Unhandled cast: " << SrcTy << " to " << Ty << "\n"; \
+#define IMPLEMENT_CAST_START \
+ switch (DstTy->getTypeID()) {
+
+#define IMPLEMENT_CAST(STY, DTY, CAST) \
+ case Type::STY##TyID: Dest.DTY##Val = (CAST(Src.STY##Val)); break;
+
+#define IMPLEMENT_CAST_CASE(DTY, CAST) \
+ case Type::DTY##TyID: \
+ switch (SrcTy->getTypeID()) { \
+ IMPLEMENT_CAST(Bool, DTY, CAST); \
+ IMPLEMENT_CAST(Int8, DTY, CAST); \
+ IMPLEMENT_CAST(Int16, DTY, CAST); \
+ IMPLEMENT_CAST(Int32, DTY, CAST); \
+ IMPLEMENT_CAST(Int64, DTY, CAST); \
+ IMPLEMENT_CAST(Pointer,DTY, CAST); \
+ IMPLEMENT_CAST(Float, DTY, CAST); \
+ IMPLEMENT_CAST(Double, DTY, CAST); \
+ default: \
+ cerr << "Unhandled cast: " \
+ << *SrcTy << " to " << *DstTy << "\n"; \
abort(); \
} \
break
-#define IMPLEMENT_CAST_CASE(DESTTY, DESTCTY) \
- IMPLEMENT_CAST_CASE_START(DESTTY, DESTCTY); \
- IMPLEMENT_CAST_CASE_FP_IMP(DESTTY, DESTCTY); \
- IMPLEMENT_CAST_CASE_END()
+#define IMPLEMENT_CAST_END \
+ default: cerr \
+ << "Unhandled dest type for cast instruction: " \
+ << *DstTy << "\n"; \
+ abort(); \
+ }
-GenericValue Interpreter::executeCastOperation(Value *SrcVal, const Type *Ty,
- ExecutionContext &SF) {
+GenericValue Interpreter::executeCastOperation(Instruction::CastOps opcode,
+ Value *SrcVal, const Type *DstTy,
+ ExecutionContext &SF) {
const Type *SrcTy = SrcVal->getType();
GenericValue Dest, Src = getOperandValue(SrcVal, SF);
- switch (Ty->getPrimitiveID()) {
- IMPLEMENT_CAST_CASE(UByte , (unsigned char));
- IMPLEMENT_CAST_CASE(SByte , ( signed char));
- IMPLEMENT_CAST_CASE(UShort , (unsigned short));
- IMPLEMENT_CAST_CASE(Short , ( signed short));
- IMPLEMENT_CAST_CASE(UInt , (unsigned int ));
- IMPLEMENT_CAST_CASE(Int , ( signed int ));
- IMPLEMENT_CAST_CASE(ULong , (uint64_t));
- IMPLEMENT_CAST_CASE(Long , ( int64_t));
- IMPLEMENT_CAST_CASE(Pointer, (PointerTy));
- IMPLEMENT_CAST_CASE(Float , (float));
- IMPLEMENT_CAST_CASE(Double , (double));
- IMPLEMENT_CAST_CASE(Bool , (bool));
- default:
- std::cout << "Unhandled dest type for cast instruction: " << *Ty << "\n";
- abort();
+ if (opcode == Instruction::Trunc && DstTy->getTypeID() == Type::BoolTyID) {
+ // For truncations to bool, we must clear the high order bits of the source
+ switch (SrcTy->getTypeID()) {
+ case Type::BoolTyID: Src.BoolVal &= 1; break;
+ case Type::Int8TyID: Src.Int8Val &= 1; break;
+ case Type::Int16TyID: Src.Int16Val &= 1; break;
+ case Type::Int32TyID: Src.Int32Val &= 1; break;
+ case Type::Int64TyID: Src.Int64Val &= 1; break;
+ default:
+ assert(0 && "Can't trunc a non-integer!");
+ break;
+ }
+ } else if (opcode == Instruction::SExt &&
+ SrcTy->getTypeID() == Type::BoolTyID) {
+ // For sign extension from bool, we must extend the source bits.
+ SrcTy = Type::Int64Ty;
+ Src.Int64Val = 0 - Src.BoolVal;
}
+ switch (opcode) {
+ case Instruction::Trunc: // src integer, dest integral (can't be long)
+ IMPLEMENT_CAST_START
+ IMPLEMENT_CAST_CASE(Bool , (bool));
+ IMPLEMENT_CAST_CASE(Int8 , (uint8_t));
+ IMPLEMENT_CAST_CASE(Int16, (uint16_t));
+ IMPLEMENT_CAST_CASE(Int32, (uint32_t));
+ IMPLEMENT_CAST_CASE(Int64, (uint64_t));
+ IMPLEMENT_CAST_END
+ break;
+ case Instruction::ZExt: // src integral (can't be long), dest integer
+ IMPLEMENT_CAST_START
+ IMPLEMENT_CAST_CASE(Int8 , (uint8_t));
+ IMPLEMENT_CAST_CASE(Int16, (uint16_t));
+ IMPLEMENT_CAST_CASE(Int32, (uint32_t));
+ IMPLEMENT_CAST_CASE(Int64, (uint64_t));
+ IMPLEMENT_CAST_END
+ break;
+ case Instruction::SExt: // src integral (can't be long), dest integer
+ IMPLEMENT_CAST_START
+ IMPLEMENT_CAST_CASE(Int8 , (uint8_t)(int8_t));
+ IMPLEMENT_CAST_CASE(Int16, (uint16_t)(int16_t));
+ IMPLEMENT_CAST_CASE(Int32, (uint32_t)(int32_t));
+ IMPLEMENT_CAST_CASE(Int64, (uint64_t)(int64_t));
+ IMPLEMENT_CAST_END
+ break;
+ case Instruction::FPTrunc: // src double, dest float
+ IMPLEMENT_CAST_START
+ IMPLEMENT_CAST_CASE(Float , (float));
+ IMPLEMENT_CAST_END
+ break;
+ case Instruction::FPExt: // src float, dest double
+ IMPLEMENT_CAST_START
+ IMPLEMENT_CAST_CASE(Double , (double));
+ IMPLEMENT_CAST_END
+ break;
+ case Instruction::UIToFP: // src integral, dest floating
+ IMPLEMENT_CAST_START
+ IMPLEMENT_CAST_CASE(Float , (float)(uint64_t));
+ IMPLEMENT_CAST_CASE(Double , (double)(uint64_t));
+ IMPLEMENT_CAST_END
+ break;
+ case Instruction::SIToFP: // src integeral, dest floating
+ IMPLEMENT_CAST_START
+ IMPLEMENT_CAST_CASE(Float , (float)(int64_t));
+ IMPLEMENT_CAST_CASE(Double , (double)(int64_t));
+ IMPLEMENT_CAST_END
+ break;
+ case Instruction::FPToUI: // src floating, dest integral
+ IMPLEMENT_CAST_START
+ IMPLEMENT_CAST_CASE(Bool , (bool));
+ IMPLEMENT_CAST_CASE(Int8 , (uint8_t));
+ IMPLEMENT_CAST_CASE(Int16, (uint16_t));
+ IMPLEMENT_CAST_CASE(Int32, (uint32_t ));
+ IMPLEMENT_CAST_CASE(Int64, (uint64_t));
+ IMPLEMENT_CAST_END
+ break;
+ case Instruction::FPToSI: // src floating, dest integral
+ IMPLEMENT_CAST_START
+ IMPLEMENT_CAST_CASE(Bool , (bool));
+ IMPLEMENT_CAST_CASE(Int8 , (uint8_t) (int8_t));
+ IMPLEMENT_CAST_CASE(Int16, (uint16_t)(int16_t));
+ IMPLEMENT_CAST_CASE(Int32, (uint32_t)(int32_t));
+ IMPLEMENT_CAST_CASE(Int64, (uint64_t)(int64_t));
+ IMPLEMENT_CAST_END
+ break;
+ case Instruction::PtrToInt: // src pointer, dest integral
+ IMPLEMENT_CAST_START
+ IMPLEMENT_CAST_CASE(Bool , (bool));
+ IMPLEMENT_CAST_CASE(Int8 , (uint8_t));
+ IMPLEMENT_CAST_CASE(Int16, (uint16_t));
+ IMPLEMENT_CAST_CASE(Int32, (uint32_t));
+ IMPLEMENT_CAST_CASE(Int64, (uint64_t));
+ IMPLEMENT_CAST_END
+ break;
+ case Instruction::IntToPtr: // src integral, dest pointer
+ IMPLEMENT_CAST_START
+ IMPLEMENT_CAST_CASE(Pointer, (PointerTy));
+ IMPLEMENT_CAST_END
+ break;
+ case Instruction::BitCast: // src any, dest any (same size)
+ IMPLEMENT_CAST_START
+ IMPLEMENT_CAST_CASE(Bool , (bool));
+ IMPLEMENT_CAST_CASE(Int8 , (uint8_t));
+ IMPLEMENT_CAST_CASE(Int16 , (uint16_t));
+ IMPLEMENT_CAST_CASE(Int32 , (uint32_t));
+ IMPLEMENT_CAST_CASE(Int64 , (uint64_t));
+ IMPLEMENT_CAST_CASE(Pointer, (PointerTy));
+ IMPLEMENT_CAST_CASE(Float , (float));
+ IMPLEMENT_CAST_CASE(Double , (double));
+ IMPLEMENT_CAST_END
+ break;
+ default:
+ cerr << "Invalid cast opcode for cast instruction: " << opcode << "\n";
+ abort();
+ }
return Dest;
}
void Interpreter::visitCastInst(CastInst &I) {
ExecutionContext &SF = ECStack.back();
- SetValue(&I, executeCastOperation(I.getOperand(0), I.getType(), SF), SF);
-}
-
-void Interpreter::visitVANextInst(VANextInst &I) {
- ExecutionContext &SF = ECStack.back();
-
- // Get the incoming valist parameter. LLI treats the valist as a
- // (ec-stack-depth var-arg-index) pair.
- GenericValue VAList = getOperandValue(I.getOperand(0), SF);
-
- // Move the pointer to the next vararg.
- ++VAList.UIntPairVal.second;
- SetValue(&I, VAList, SF);
+ SetValue(&I, executeCastOperation(I.getOpcode(), I.getOperand(0),
+ I.getType(), SF), SF);
}
#define IMPLEMENT_VAARG(TY) \
GenericValue VAList = getOperandValue(I.getOperand(0), SF);
GenericValue Dest;
GenericValue Src = ECStack[VAList.UIntPairVal.first]
- .VarArgs[VAList.UIntPairVal.second];
+ .VarArgs[VAList.UIntPairVal.second];
const Type *Ty = I.getType();
- switch (Ty->getPrimitiveID()) {
- IMPLEMENT_VAARG(UByte);
- IMPLEMENT_VAARG(SByte);
- IMPLEMENT_VAARG(UShort);
- IMPLEMENT_VAARG(Short);
- IMPLEMENT_VAARG(UInt);
- IMPLEMENT_VAARG(Int);
- IMPLEMENT_VAARG(ULong);
- IMPLEMENT_VAARG(Long);
+ switch (Ty->getTypeID()) {
+ IMPLEMENT_VAARG(Int8);
+ IMPLEMENT_VAARG(Int16);
+ IMPLEMENT_VAARG(Int32);
+ IMPLEMENT_VAARG(Int64);
IMPLEMENT_VAARG(Pointer);
IMPLEMENT_VAARG(Float);
IMPLEMENT_VAARG(Double);
IMPLEMENT_VAARG(Bool);
default:
- std::cout << "Unhandled dest type for vaarg instruction: " << *Ty << "\n";
+ cerr << "Unhandled dest type for vaarg instruction: " << *Ty << "\n";
abort();
}
-
+
// Set the Value of this Instruction.
SetValue(&I, Dest, SF);
+
+ // Move the pointer to the next vararg.
+ ++VAList.UIntPairVal.second;
}
//===----------------------------------------------------------------------===//
//
void Interpreter::callFunction(Function *F,
const std::vector<GenericValue> &ArgVals) {
- assert((ECStack.empty() || ECStack.back().Caller.getInstruction() == 0 ||
- ECStack.back().Caller.arg_size() == ArgVals.size()) &&
- "Incorrect number of arguments passed into function call!");
+ assert((ECStack.empty() || ECStack.back().Caller.getInstruction() == 0 ||
+ ECStack.back().Caller.arg_size() == ArgVals.size()) &&
+ "Incorrect number of arguments passed into function call!");
// Make a new stack frame... and fill it in.
ECStack.push_back(ExecutionContext());
ExecutionContext &StackFrame = ECStack.back();
StackFrame.CurInst = StackFrame.CurBB->begin();
// Run through the function arguments and initialize their values...
- assert((ArgVals.size() == F->asize() ||
- (ArgVals.size() > F->asize() && F->getFunctionType()->isVarArg())) &&
+ assert((ArgVals.size() == F->arg_size() ||
+ (ArgVals.size() > F->arg_size() && F->getFunctionType()->isVarArg()))&&
"Invalid number of values passed to function invocation!");
// Handle non-varargs arguments...
unsigned i = 0;
- for (Function::aiterator AI = F->abegin(), E = F->aend(); AI != E; ++AI, ++i)
+ for (Function::arg_iterator AI = F->arg_begin(), E = F->arg_end(); AI != E; ++AI, ++i)
SetValue(AI, ArgVals[i], StackFrame);
// Handle varargs arguments...
// Interpret a single instruction & increment the "PC".
ExecutionContext &SF = ECStack.back(); // Current stack frame
Instruction &I = *SF.CurInst++; // Increment before execute
-
+
// Track the number of dynamic instructions executed.
++NumDynamicInsts;
- DEBUG(std::cerr << "About to interpret: " << I);
+ DOUT << "About to interpret: " << I;
visit(I); // Dispatch to one of the visit* methods...
}
}
projects / oota-llvm.git / blobdiff