//
//===----------------------------------------------------------------------===//
+#include "llvm/Type.h"
#include "llvm/Instructions.h"
+#include "llvm/IntrinsicInst.h" // FIXME: remove
#include "llvm/Function.h"
-#include "llvm/SymbolTable.h"
-#include "llvm/Type.h"
+#include "llvm/Support/CallSite.h"
#include "llvm/Support/LeakDetector.h"
using namespace llvm;
Instruction::Instruction(const Type *ty, unsigned it, Use *Ops, unsigned NumOps,
- const std::string &Name, Instruction *InsertBefore)
- : User(ty, Value::InstructionVal + it, Ops, NumOps, Name), Parent(0) {
+ Instruction *InsertBefore)
+ : User(ty, Value::InstructionVal + it, Ops, NumOps), Parent(0) {
// Make sure that we get added to a basicblock
LeakDetector::addGarbageObject(this);
}
Instruction::Instruction(const Type *ty, unsigned it, Use *Ops, unsigned NumOps,
- const std::string &Name, BasicBlock *InsertAtEnd)
- : User(ty, Value::InstructionVal + it, Ops, NumOps, Name), Parent(0) {
+ BasicBlock *InsertAtEnd)
+ : User(ty, Value::InstructionVal + it, Ops, NumOps), Parent(0) {
// Make sure that we get added to a basicblock
LeakDetector::addGarbageObject(this);
InsertAtEnd->getInstList().push_back(this);
}
-void Instruction::setOpcode(unsigned opc) {
- setValueType(Value::InstructionVal + opc);
+
+// Out of line virtual method, so the vtable, etc has a home.
+Instruction::~Instruction() {
+ assert(Parent == 0 && "Instruction still linked in the program!");
}
+
void Instruction::setParent(BasicBlock *P) {
if (getParent()) {
if (!P) LeakDetector::addGarbageObject(this);
case Add: return "add";
case Sub: return "sub";
case Mul: return "mul";
- case Div: return "div";
- case Rem: return "rem";
+ case UDiv: return "udiv";
+ case SDiv: return "sdiv";
+ case FDiv: return "fdiv";
+ case URem: return "urem";
+ case SRem: return "srem";
+ case FRem: return "frem";
// Logical operators...
case And: return "and";
case Or : return "or";
case Xor: return "xor";
- // SetCC operators...
- case SetLE: return "setle";
- case SetGE: return "setge";
- case SetLT: return "setlt";
- case SetGT: return "setgt";
- case SetEQ: return "seteq";
- case SetNE: return "setne";
-
// Memory instructions...
case Malloc: return "malloc";
case Free: return "free";
case Store: return "store";
case GetElementPtr: return "getelementptr";
+ // Convert instructions...
+ case Trunc: return "trunc";
+ case ZExt: return "zext";
+ case SExt: return "sext";
+ case FPTrunc: return "fptrunc";
+ case FPExt: return "fpext";
+ case FPToUI: return "fptoui";
+ case FPToSI: return "fptosi";
+ case UIToFP: return "uitofp";
+ case SIToFP: return "sitofp";
+ case IntToPtr: return "inttoptr";
+ case PtrToInt: return "ptrtoint";
+ case BitCast: return "bitcast";
+
// Other instructions...
- case PHI: return "phi";
- case Cast: return "cast";
- case Select: return "select";
- case Call: return "call";
- case Shl: return "shl";
- case Shr: return "shr";
- case VAArg: return "va_arg";
+ case ICmp: return "icmp";
+ case FCmp: return "fcmp";
+ case PHI: return "phi";
+ case Select: return "select";
+ case Call: return "call";
+ case Shl: return "shl";
+ case LShr: return "lshr";
+ case AShr: return "ashr";
+ case VAArg: return "va_arg";
case ExtractElement: return "extractelement";
- case InsertElement: return "insertelement";
+ case InsertElement: return "insertelement";
+ case ShuffleVector: return "shufflevector";
default: return "<Invalid operator> ";
}
return LI->isVolatile() == cast<LoadInst>(I)->isVolatile();
if (const StoreInst *SI = dyn_cast<StoreInst>(this))
return SI->isVolatile() == cast<StoreInst>(I)->isVolatile();
+ if (const CmpInst *CI = dyn_cast<CmpInst>(this))
+ return CI->getPredicate() == cast<CmpInst>(I)->getPredicate();
+ if (const CallInst *CI = dyn_cast<CallInst>(this))
+ return CI->isTailCall() == cast<CallInst>(I)->isTailCall();
+ return true;
+}
+
+// isSameOperationAs
+bool Instruction::isSameOperationAs(Instruction *I) const {
+ if (getOpcode() != I->getOpcode() || getType() != I->getType() ||
+ getNumOperands() != I->getNumOperands())
+ return false;
+
+ // We have two instructions of identical opcode and #operands. Check to see
+ // if all operands are the same type
+ for (unsigned i = 0, e = getNumOperands(); i != e; ++i)
+ if (getOperand(i)->getType() != I->getOperand(i)->getType())
+ return false;
+
+ // Check special state that is a part of some instructions.
+ if (const LoadInst *LI = dyn_cast<LoadInst>(this))
+ return LI->isVolatile() == cast<LoadInst>(I)->isVolatile();
+ if (const StoreInst *SI = dyn_cast<StoreInst>(this))
+ return SI->isVolatile() == cast<StoreInst>(I)->isVolatile();
+ if (const CmpInst *CI = dyn_cast<CmpInst>(this))
+ return CI->getPredicate() == cast<CmpInst>(I)->getPredicate();
if (const CallInst *CI = dyn_cast<CallInst>(this))
return CI->isTailCall() == cast<CallInst>(I)->isTailCall();
+
return true;
}
+/// mayWriteToMemory - Return true if this instruction may modify memory.
+///
+bool Instruction::mayWriteToMemory() const {
+ switch (getOpcode()) {
+ default: return false;
+ case Instruction::Free:
+ case Instruction::Invoke:
+ case Instruction::Store:
+ case Instruction::VAArg:
+ return true;
+ case Instruction::Call:
+ if (!isa<IntrinsicInst>(this))
+ return true; // FIXME: workaround gcc bootstrap breakage
+ return !cast<CallInst>(this)->onlyReadsMemory();
+ case Instruction::Load:
+ return cast<LoadInst>(this)->isVolatile();
+ }
+}
/// isAssociative - Return true if the instruction is associative:
///
/// applied to floating point types.
///
bool Instruction::isAssociative(unsigned Opcode, const Type *Ty) {
- if (Opcode == Add || Opcode == Mul ||
- Opcode == And || Opcode == Or || Opcode == Xor) {
- // Floating point operations do not associate!
- return !Ty->isFloatingPoint();
- }
+ if (Opcode == And || Opcode == Or || Opcode == Xor)
+ return true;
+
+ // Add/Mul reassociate unless they are FP or FP vectors.
+ if (Opcode == Add || Opcode == Mul)
+ return !Ty->isFPOrFPVector();
return 0;
}
case And:
case Or:
case Xor:
- case SetEQ:
- case SetNE:
return true;
default:
return false;
}
}
-/// isRelational - Return true if the instruction is a Set* instruction:
-///
-bool Instruction::isRelational(unsigned op) {
- switch (op) {
- case SetEQ:
- case SetNE:
- case SetLT:
- case SetGT:
- case SetLE:
- case SetGE:
- return true;
- }
- return false;
-}
-
-
-
/// isTrappingInstruction - Return true if the instruction may trap.
///
bool Instruction::isTrapping(unsigned op) {
switch(op) {
- case Div:
- case Rem:
+ case UDiv:
+ case SDiv:
+ case FDiv:
+ case URem:
+ case SRem:
+ case FRem:
case Load:
case Store:
case Call:
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