-//===-- Instruction.cpp - Implement the Instruction class --------*- C++ -*--=//
+//===-- Instruction.cpp - Implement the Instruction class -----------------===//
+//
+// 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 implements the Instruction class for the VMCore library.
//
#include "llvm/SymbolTable.h"
#include "llvm/Type.h"
#include "Support/LeakDetector.h"
+using namespace llvm;
Instruction::Instruction(const Type *ty, unsigned it, const std::string &Name,
Instruction *InsertBefore)
void Instruction::setName(const std::string &name, SymbolTable *ST) {
BasicBlock *P = 0; Function *PP = 0;
assert((ST == 0 || !getParent() || !getParent()->getParent() ||
- ST == getParent()->getParent()->getSymbolTable()) &&
+ ST == &getParent()->getParent()->getSymbolTable()) &&
"Invalid symtab argument!");
if ((P = getParent()) && (PP = P->getParent()) && hasName())
- PP->getSymbolTable()->remove(this);
+ PP->getSymbolTable().remove(this);
Value::setName(name);
- if (PP && hasName()) PP->getSymbolTableSure()->insert(this);
+ if (PP && hasName()) PP->getSymbolTable().insert(this);
}
case Br: return "br";
case Switch: return "switch";
case Invoke: return "invoke";
+ case Unwind: return "unwind";
// Standard binary operators...
case Add: return "add";
case GetElementPtr: return "getelementptr";
// Other instructions...
- case PHINode: return "phi";
+ case PHI: return "phi";
case Cast: return "cast";
case Call: return "call";
case Shl: return "shl";
case Shr: return "shr";
-
+ case VANext: return "vanext";
+ case VAArg: return "vaarg";
+
default: return "<Invalid operator> ";
}
/// isCommutative - Return true if the instruction is commutative:
///
-/// Commutative operators satistify: (x op y) === (y op x)
+/// Commutative operators satisfy: (x op y) === (y op x)
///
/// In LLVM, these are the associative operators, plus SetEQ and SetNE, when
/// applied to any type.
return false;
}
}
+
+
+/// isTrappingInstruction - Return true if the instruction may trap.
+///
+bool Instruction::isTrapping(unsigned op) {
+ switch(op) {
+ case Div:
+ case Rem:
+ case Load:
+ case Store:
+ case Call:
+ case Invoke:
+ return true;
+ default:
+ return false;
+ }
+}