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Remove dead infrastructure for building DenseMaps with a SlotIndex as

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the key -- they are now stored in an IntervalMap.

I noticed this while looking into PR12652.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159745 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chandler Carruth 2012-07-05 11:40:23 +00:00
parent d862d697d2
commit 39c2a3d219
1 changed files with 0 additions and 31 deletions
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31
include/llvm/CodeGen/SlotIndexes.h
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@ -76,7 +76,6 @@ namespace llvm {
/// SlotIndex - An opaque wrapper around machine indexes.
class SlotIndex {
friend class SlotIndexes;
friend struct DenseMapInfo<SlotIndex>;
enum Slot {
/// Basic block boundary. Used for live ranges entering and leaving a
@ -121,11 +120,6 @@ namespace llvm {
return static_cast<Slot>(lie.getInt());
}
static inline unsigned getHashValue(const SlotIndex &v) {
void *ptrVal = v.lie.getOpaqueValue();
return (unsigned((intptr_t)ptrVal)) ^ (unsigned((intptr_t)ptrVal) >> 9);
}
public:
enum {
/// The default distance between instructions as returned by distance().
@ -133,14 +127,6 @@ namespace llvm {
InstrDist = 4 * Slot_Count
};
static inline SlotIndex getEmptyKey() {
return SlotIndex(0, 1);
}
static inline SlotIndex getTombstoneKey() {
return SlotIndex(0, 2);
}
/// Construct an invalid index.
SlotIndex() : lie(0, 0) {}
@ -293,23 +279,6 @@ namespace llvm {
};
/// DenseMapInfo specialization for SlotIndex.
template <>
struct DenseMapInfo<SlotIndex> {
static inline SlotIndex getEmptyKey() {
return SlotIndex::getEmptyKey();
}
static inline SlotIndex getTombstoneKey() {
return SlotIndex::getTombstoneKey();
}
static inline unsigned getHashValue(const SlotIndex &v) {
return SlotIndex::getHashValue(v);
}
static inline bool isEqual(const SlotIndex &LHS, const SlotIndex &RHS) {
return (LHS == RHS);
}
};
template <> struct isPodLike<SlotIndex> { static const bool value = true; };