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Add some functionality to the IntrinsicInst class and some comments

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llvm-svn: 25289
This commit is contained in:
Chris Lattner 2006-01-13 19:49:02 +00:00
parent 67a0c03bb4
commit 731f17c9bd
1 changed files with 20 additions and 0 deletions
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20
include/llvm/IntrinsicInst.h
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@ -30,6 +30,9 @@
#include "llvm/Intrinsics.h"
namespace llvm {
/// IntrinsicInst - A useful wrapper class for inspecting calls to intrinsic
/// functions. This allows the standard isa/dyncast/cast functionality to
/// work with calls to intrinsic functions.
class IntrinsicInst : public CallInst {
IntrinsicInst(); // DO NOT IMPLEMENT
IntrinsicInst(const IntrinsicInst&); // DO NOT IMPLEMENT
@ -40,6 +43,23 @@ namespace llvm {
/// casts from the specified value, returning the original uncasted value.
/// Note that the returned value is guaranteed to have pointer type.
static Value *StripPointerCasts(Value *Ptr);
/// getIntrinsicID - Return the intrinsic ID of this intrinsic.
///
Intrinsic::ID getIntrinsicID() const {
return (Intrinsic::ID)getCalledFunction()->getIntrinsicID();
}
// Methods for support type inquiry through isa, cast, and dyn_cast:
static inline bool classof(const IntrinsicInst *) { return true; }
static inline bool classof(const CallInst *I) {
if (const Function *CF = I->getCalledFunction())
return CF->getIntrinsicID() != 0;
return false;
}
static inline bool classof(const Value *V) {
return isa<CallInst>(V) && classof(cast<CallInst>(V));
}
};
/// DbgInfoIntrinsic - This is the common base class for debug info intrinsics