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-rw-r--r--include/llvm/Support/CallSite.h23
1 files changed, 22 insertions, 1 deletions
diff --git a/include/llvm/Support/CallSite.h b/include/llvm/Support/CallSite.h
index faf6d0d278..c30f00c9b9 100644
--- a/include/llvm/Support/CallSite.h
+++ b/include/llvm/Support/CallSite.h
@@ -22,6 +22,21 @@ public:
CallSite(const CallSite &CS) : I(CS.I) {}
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
///
Instruction *getInstruction() const { return I; }
@@ -37,6 +52,12 @@ public:
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
/// arguments at this call site...
typedef User::op_iterator arg_iterator;
@@ -50,7 +71,7 @@ public:
else
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