Constify functions

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189234 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Matt Arsenault 2013-08-26 17:56:38 +00:00
parent 1b00d91005
commit 6a804acc4a

View File

@ -278,7 +278,7 @@ private:
/// \returns the pointer to the vectorized value if \p VL is already
/// vectorized, or NULL. They may happen in cycles.
Value *alreadyVectorized(ArrayRef<Value *> VL);
Value *alreadyVectorized(ArrayRef<Value *> VL) const;
/// \brief Take the pointer operand from the Load/Store instruction.
/// \returns NULL if this is not a valid Load/Store instruction.
@ -319,7 +319,7 @@ private:
NeedToGather(0) {}
/// \returns true if the scalars in VL are equal to this entry.
bool isSame(ArrayRef<Value *> VL) {
bool isSame(ArrayRef<Value *> VL) const {
assert(VL.size() == Scalars.size() && "Invalid size");
for (int i = 0, e = VL.size(); i != e; ++i)
if (VL[i] != Scalars[i])
@ -1098,10 +1098,12 @@ Value *BoUpSLP::Gather(ArrayRef<Value *> VL, VectorType *Ty) {
return Vec;
}
Value *BoUpSLP::alreadyVectorized(ArrayRef<Value *> VL) {
if (ScalarToTreeEntry.count(VL[0])) {
int Idx = ScalarToTreeEntry[VL[0]];
TreeEntry *En = &VectorizableTree[Idx];
Value *BoUpSLP::alreadyVectorized(ArrayRef<Value *> VL) const {
SmallDenseMap<Value*, int>::const_iterator Entry
= ScalarToTreeEntry.find(VL[0]);
if (Entry != ScalarToTreeEntry.end()) {
int Idx = Entry->second;
const TreeEntry *En = &VectorizableTree[Idx];
if (En->isSame(VL) && En->VectorizedValue)
return En->VectorizedValue;
}