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Diffstat (limited to 'include/llvm/Support/Casting.h')
-rw-r--r--include/llvm/Support/Casting.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/include/llvm/Support/Casting.h b/include/llvm/Support/Casting.h
index 3a68817ce9..61b91343cb 100644
--- a/include/llvm/Support/Casting.h
+++ b/include/llvm/Support/Casting.h
@@ -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;
}