6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-04-06 09:44:39 +00:00
Code Issues Projects Releases Wiki Activity

merge of r49785 (from branches/ggreif/use-diet): pass V to dyn_cast by const reference, this avoids copy-constructing and destructing all the time. especially important if these constructors are not accessible

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49787 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Gabor Greif 2008-04-16 11:43:47 +00:00
parent 0d4bdde327
commit 917365bef1
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
include/llvm/Support/Casting.h
View File

@ -221,7 +221,7 @@ inline typename cast_retty<X, Y*>::ret_type cast_or_null(Y *Val) {
//
template <class X, class Y>
inline typename cast_retty<X, Y>::ret_type dyn_cast(Y Val) {
inline typename cast_retty<X, Y>::ret_type dyn_cast(const Y &Val) {
return isa<X>(Val) ? cast<X, Y>(Val) : 0;
}
@ -229,7 +229,7 @@ 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) {
inline typename cast_retty<X, Y>::ret_type dyn_cast_or_null(const Y &Val) {
return (Val && isa<X>(Val)) ? cast<X, Y>(Val) : 0;
}