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dyn_cast_or_null should work just the same as dyn_cast does

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6394 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2003-05-29 15:07:48 +00:00
parent aa101c3147
commit 1ff1da7ac9
2 changed files with 6 additions and 6 deletions
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6
include/Support/Casting.h
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@ -207,7 +207,7 @@ inline typename cast_retty<X, Y*>::ret_type cast_or_null(Y *Val) {
// be used to test for a type as well as cast if successful. This should be
// used in the context of an if statement like this:
//
// if (const Instruction *I = dyn_cast<const Instruction>(myVal)) { ... }
// if (const Instruction *I = dyn_cast<Instruction>(myVal)) { ... }
//
template <class X, class Y>
@ -219,8 +219,8 @@ inline typename cast_retty<X, Y>::ret_type dyn_cast(Y Val) {
// value is accepted.
//
template <class X, class Y>
inline typename cast_retty<X, Y*>::ret_type dyn_cast_or_null(Y *Val) {
return (Val && isa<X>(Val)) ? cast<X, Y*>(Val) : 0;
inline typename cast_retty<X, Y>::ret_type dyn_cast_or_null(Y Val) {
return (Val && isa<X>(Val)) ? cast<X, Y>(Val) : 0;
}

6
include/llvm/Support/Casting.h
View File

@ -207,7 +207,7 @@ inline typename cast_retty<X, Y*>::ret_type cast_or_null(Y *Val) {
// be used to test for a type as well as cast if successful. This should be
// used in the context of an if statement like this:
//
// if (const Instruction *I = dyn_cast<const Instruction>(myVal)) { ... }
// if (const Instruction *I = dyn_cast<Instruction>(myVal)) { ... }
//
template <class X, class Y>
@ -219,8 +219,8 @@ inline typename cast_retty<X, Y>::ret_type dyn_cast(Y Val) {
// value is accepted.
//
template <class X, class Y>
inline typename cast_retty<X, Y*>::ret_type dyn_cast_or_null(Y *Val) {
return (Val && isa<X>(Val)) ? cast<X, Y*>(Val) : 0;
inline typename cast_retty<X, Y>::ret_type dyn_cast_or_null(Y Val) {
return (Val && isa<X>(Val)) ? cast<X, Y>(Val) : 0;
}