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Simplify more DenseMap.find users.

llvm-svn: 147550
This commit is contained in:
Benjamin Kramer 2012-01-04 21:41:24 +00:00
parent 15f1af87d2
commit dfab20fd0c
2 changed files with 4 additions and 8 deletions

View File

@ -655,9 +655,7 @@ public:
/// block is in no loop (for example the entry node), null is returned.
///
LoopT *getLoopFor(const BlockT *BB) const {
typename DenseMap<BlockT *, LoopT *>::const_iterator I=
BBMap.find(const_cast<BlockT*>(BB));
return I != BBMap.end() ? I->second : 0;
return BBMap.lookup(const_cast<BlockT*>(BB));
}
/// operator[] - same as getLoopFor...
@ -696,9 +694,7 @@ public:
/// the loop hierarchy tree.
void changeLoopFor(BlockT *BB, LoopT *L) {
if (!L) {
typename DenseMap<BlockT *, LoopT *>::iterator I = BBMap.find(BB);
if (I != BBMap.end())
BBMap.erase(I);
BBMap.erase(BB);
return;
}
BBMap[BB] = L;
@ -755,7 +751,7 @@ public:
}
LoopT *ConsiderForLoop(BlockT *BB, DominatorTreeBase<BlockT> &DT) {
if (BBMap.find(BB) != BBMap.end()) return 0;// Haven't processed this node?
if (BBMap.count(BB)) return 0; // Haven't processed this node?
std::vector<BlockT *> TodoStack;

View File

@ -488,7 +488,7 @@ namespace llvm {
/// Returns true if the given machine instr is mapped to an index,
/// otherwise returns false.
bool hasIndex(const MachineInstr *instr) const {
return (mi2iMap.find(instr) != mi2iMap.end());
return mi2iMap.count(instr);
}
/// Returns the base index for the given instruction.