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[C++11] More 'nullptr' conversion or in some cases just using a boolean check instead of comparing to nullptr.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205831 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Craig Topper
2014-04-09 06:08:46 +00:00
parent 8a0d1c8f06
commit ec0f0bc6af
80 changed files with 763 additions and 735 deletions
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6
include/llvm/Support/Casting.h
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@ -245,7 +245,7 @@ inline typename cast_retty<X, Y *>::ret_type cast(Y *Val) {
template <class X, class Y>
LLVM_ATTRIBUTE_UNUSED_RESULT inline typename cast_retty<X, Y *>::ret_type
cast_or_null(Y *Val) {
if (Val == 0) return 0;
if (!Val) return nullptr;
assert(isa<X>(Val) && "cast_or_null<Ty>() argument of incompatible type!");
return cast<X>(Val);
}
@ -263,13 +263,13 @@ template <class X, class Y>
LLVM_ATTRIBUTE_UNUSED_RESULT inline typename std::enable_if<
!is_simple_type<Y>::value, typename cast_retty<X, const Y>::ret_type>::type
dyn_cast(const Y &Val) {
return isa<X>(Val) ? cast<X>(Val) : 0;
return isa<X>(Val) ? cast<X>(Val) : nullptr;
}
template <class X, class Y>
LLVM_ATTRIBUTE_UNUSED_RESULT inline typename cast_retty<X, Y>::ret_type
dyn_cast(Y &Val) {
return isa<X>(Val) ? cast<X>(Val) : 0;
return isa<X>(Val) ? cast<X>(Val) : nullptr;
}
template <class X, class Y>