diff options
| -rw-r--r-- | include/llvm/Instructions.h | 23 |
1 files changed, 11 insertions, 12 deletions
diff --git a/include/llvm/Instructions.h b/include/llvm/Instructions.h index 9d0e02faf9..eb4188b384 100644 --- a/include/llvm/Instructions.h +++ b/include/llvm/Instructions.h @@ -167,14 +167,14 @@ public: // LoadInst Class //===----------------------------------------------------------------------===// -/// LoadInst - an instruction for reading from memory +/// LoadInst - an instruction for reading from memory. This uses the +/// SubclassData field in Value to store whether or not the load is volatile. /// class LoadInst : public UnaryInstruction { - bool Volatile; // True if this is a volatile load - LoadInst(const LoadInst &LI) - : UnaryInstruction(LI.getType(), Load, LI.getOperand(0)), - Volatile(LI.isVolatile()) { + : UnaryInstruction(LI.getType(), Load, LI.getOperand(0)) { + setVolatile(LI.isVolatile()); + #ifndef NDEBUG AssertOK(); #endif @@ -191,11 +191,11 @@ public: /// isVolatile - Return true if this is a load from a volatile memory /// location. /// - bool isVolatile() const { return Volatile; } + bool isVolatile() const { return SubclassData; } /// setVolatile - Specify whether this is a volatile load or not. /// - void setVolatile(bool V) { Volatile = V; } + void setVolatile(bool V) { SubclassData = V; } virtual LoadInst *clone() const; @@ -224,11 +224,10 @@ public: /// class StoreInst : public Instruction { Use Ops[2]; - bool Volatile; // True if this is a volatile store - StoreInst(const StoreInst &SI) : Instruction(SI.getType(), Store, Ops, 2), - Volatile(SI.isVolatile()) { + StoreInst(const StoreInst &SI) : Instruction(SI.getType(), Store, Ops, 2) { Ops[0].init(SI.Ops[0], this); Ops[1].init(SI.Ops[1], this); + setVolatile(SI.isVolatile()); #ifndef NDEBUG AssertOK(); #endif @@ -245,11 +244,11 @@ public: /// isVolatile - Return true if this is a load from a volatile memory /// location. /// - bool isVolatile() const { return Volatile; } + bool isVolatile() const { return SubclassData; } /// setVolatile - Specify whether this is a volatile load or not. /// - void setVolatile(bool V) { Volatile = V; } + void setVolatile(bool V) { SubclassData = V; } /// Transparently provide more efficient getOperand methods. Value *getOperand(unsigned i) const { |