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Add some comments to Intrinsic::getDeclaration to clarify how to

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get declarations for overloaded intrinsics.

llvm-svn: 47353
This commit is contained in:
Dan Gohman 2008-02-20 01:07:51 +00:00
parent 7eccf11cfb
commit 28b341cbf5
1 changed files with 6 additions and 0 deletions
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6
include/llvm/Intrinsics.h
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@ -53,6 +53,12 @@ namespace Intrinsic {
/// Intrinsic::getDeclaration(M, ID) - Create or insert an LLVM Function /// Intrinsic::getDeclaration(M, ID) - Create or insert an LLVM Function
/// declaration for an intrinsic, and return it. /// declaration for an intrinsic, and return it.
///
/// The Tys and numTys parameters are for intrinsics with overloaded types
/// (i.e., those using iAny or fAny). For a declaration for an overloaded
/// intrinsic, Tys should point to an array of numTys pointers to Type,
/// and must provide exactly one type for each overloaded type in the
/// intrinsic.
Function *getDeclaration(Module *M, ID id, const Type **Tys = 0, Function *getDeclaration(Module *M, ID id, const Type **Tys = 0,
unsigned numTys = 0); unsigned numTys = 0);