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[cleanup] Run clang-format over the Use code. It was *really*

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inconsistent both with itself and with LLVM at large with formatting.
The *s were on the wrong side, the indent was off, etc etc. This is much
cleaner.

Also, go clang-format laying out the array of tags in nice columns.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@202799 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chandler Carruth 2014-03-04 08:53:41 +00:00
parent 0a6057117e
commit 2bfe24c418
2 changed files with 55 additions and 71 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
include/llvm/IR/Use.h
View File

@ -37,12 +37,10 @@ namespace llvm {
class Value;
class User;
class Use;
template<typename>
struct simplify_type;
template <typename> struct simplify_type;
// Use** is only 4-byte aligned.
template<>
class PointerLikeTypeTraits<Use**> {
template <> class PointerLikeTypeTraits<Use **> {
public:
static inline void *getAsVoidPointer(Use **P) { return P; }
static inline Use **getFromVoidPointer(void *P) {
@ -83,18 +81,14 @@ private:
/// Destructor - Only for zap()
~Use() {
if (Val) removeFromList();
if (Val)
removeFromList();
}
enum PrevPtrTag { zeroDigitTag
, oneDigitTag
, stopTag
, fullStopTag };
enum PrevPtrTag { zeroDigitTag, oneDigitTag, stopTag, fullStopTag };
/// Constructor
Use(PrevPtrTag tag) : Val(0) {
Prev.setInt(tag);
}
Use(PrevPtrTag tag) : Val(0) { Prev.setInt(tag); }
public:
operator Value *() const { return Val; }
@ -139,19 +133,19 @@ private:
Use *Next;
PointerIntPair<Use **, 2, PrevPtrTag> Prev;
void setPrev(Use **NewPrev) {
Prev.setPointer(NewPrev);
}
void setPrev(Use **NewPrev) { Prev.setPointer(NewPrev); }
void addToList(Use **List) {
Next = *List;
if (Next) Next->setPrev(&Next);
if (Next)
Next->setPrev(&Next);
setPrev(List);
*List = this;
}
void removeFromList() {
Use **StrippedPrev = Prev.getPointer();
*StrippedPrev = Next;
if (Next) Next->setPrev(StrippedPrev);
if (Next)
Next->setPrev(StrippedPrev);
}
friend class Value;
@ -161,19 +155,13 @@ private:
/// casting operators.
template <> struct simplify_type<Use> {
typedef Value *SimpleType;
static SimpleType getSimplifiedValue(Use &Val) {
return Val.get();
}
static SimpleType getSimplifiedValue(Use &Val) { return Val.get(); }
};
template <> struct simplify_type<const Use> {
typedef /*const*/ Value *SimpleType;
static SimpleType getSimplifiedValue(const Use &Val) {
return Val.get();
}
static SimpleType getSimplifiedValue(const Use &Val) { return Val.get(); }
};
template<typename UserTy> // UserTy == 'User' or 'const User'
class value_use_iterator : public std::iterator<std::forward_iterator_tag,
UserTy*, ptrdiff_t> {

16
lib/IR/Use.cpp
View File

@ -41,8 +41,7 @@ void Use::swap(Use &RHS) {
User *Use::getUser() const {
const Use *End = getImpliedUser();
const UserRef *ref = reinterpret_cast<const UserRef *>(End);
return ref->getInt()
? ref->getPointer()
return ref->getInt() ? ref->getPointer()
: reinterpret_cast<User *>(const_cast<Use *>(End));
}
@ -56,14 +55,11 @@ Use *Use::initTags(Use * const Start, Use *Stop) {
while (Done < 20) {
if (Start == Stop--)
return Start;
static const PrevPtrTag tags[20] = { fullStopTag, oneDigitTag, stopTag,
oneDigitTag, oneDigitTag, stopTag,
zeroDigitTag, oneDigitTag, oneDigitTag,
stopTag, zeroDigitTag, oneDigitTag,
zeroDigitTag, oneDigitTag, stopTag,
oneDigitTag, oneDigitTag, oneDigitTag,
oneDigitTag, stopTag
};
static const PrevPtrTag tags[20] = {
fullStopTag, oneDigitTag, stopTag, oneDigitTag, oneDigitTag,
stopTag, zeroDigitTag, oneDigitTag, oneDigitTag, stopTag,
zeroDigitTag, oneDigitTag, zeroDigitTag, oneDigitTag, stopTag,
oneDigitTag, oneDigitTag, oneDigitTag, oneDigitTag, stopTag};
new (Stop) Use(tags[Done++]);
}