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* Add new CallSite::get factory method

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* add new setCalledFunction method
* FIX arg_end method which was horribly broken!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6758 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2003-06-17 22:16:59 +00:00
parent a599f871af
commit 697a00fbf0
1 changed files with 22 additions and 1 deletions
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23
include/llvm/Support/CallSite.h
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@ -22,6 +22,21 @@ public:
CallSite(const CallSite &CS) : I(CS.I) {} CallSite(const CallSite &CS) : I(CS.I) {}
CallSite &operator=(const CallSite &CS) { I = CS.I; return *this; } CallSite &operator=(const CallSite &CS) { I = CS.I; return *this; }
/// CallSite::get - This static method is sort of like a constructor. It will
/// create an appropriate call site for a Call or Invoke instruction, but it
/// can also create a null initialized CallSite object for something which is
/// NOT a call site.
///
static CallSite get(Value *V) {
if (Instruction *I = dyn_cast<Instruction>(V)) {
if (I->getOpcode() == Instruction::Call)
return CallSite((CallInst*)I);
else if (I->getOpcode() == Instruction::Invoke)
return CallSite((InvokeInst*)I);
}
return CallSite();
}
/// getInstruction - Return the instruction this call site corresponds to /// getInstruction - Return the instruction this call site corresponds to
/// ///
Instruction *getInstruction() const { return I; } Instruction *getInstruction() const { return I; }
@ -37,6 +52,12 @@ public:
return dyn_cast<Function>(getCalledValue()); return dyn_cast<Function>(getCalledValue());
} }
/// setCalledFunction - Set the callee to the specied value...
///
void setCalledFunction(Value *V) {
I->setOperand(0, V);
}
/// arg_iterator - The type of iterator to use when looping over actual /// arg_iterator - The type of iterator to use when looping over actual
/// arguments at this call site... /// arguments at this call site...
typedef User::op_iterator arg_iterator; typedef User::op_iterator arg_iterator;
@ -50,7 +71,7 @@ public:
else else
return I->op_begin()+3; // Skip Function, BB, BB return I->op_begin()+3; // Skip Function, BB, BB
} }
arg_iterator arg_end() const { return I->op_begin(); } arg_iterator arg_end() const { return I->op_end(); }
}; };
#endif #endif