[IROutliner][NFC] Fix typo in doc of findOrCreatePHIInBlock

[hkmatsumoto]

Ping

[hkmatsumoto]

Remove trailing space as well

[AndrewLitteken]

LGTM

[hkmatsumoto]

Since I don't have commit access, can you land this patch for me?

[AndrewLitteken]

In D121627#3396435, @hkmatsumoto wrote:

Since I don't have commit access, can you land this patch for me?

Yes, I will

llvm/lib/Transforms/IPO/IROutliner.cpp

static void findCanonNumsForPHI(
   }
 }
 
 /// Find, or add PHINode \p PN to the combined PHINode Block \p OverallPHIBlock
 /// in order to condense the number of instructions added to the outlined
 /// function.
 ///
 /// \param PN [in] - The PHINode that we are finding the canonical numbers for.
-/// \param Region [in] - The OutlinableRegion containing \p PN. 
+/// \param Region [in] - The OutlinableRegion containing \p PN.
 /// \param OverallPhiBlock [in] - The overall PHIBlock we are trying to find
 /// \p PN in.
 /// \param OutputMappings [in] - The mapping of output values from outlined
 /// region to their original values.
-/// \param UsedPhis [in, out] - The PHINodes in the block that have already been
+/// \param UsedPHIs [in, out] - The PHINodes in the block that have already been
 /// matched.
 /// \return the newly found or created PHINode in \p OverallPhiBlock.
 static PHINode*
 findOrCreatePHIInBlock(PHINode &PN, OutlinableRegion &Region,
                        BasicBlock *OverallPhiBlock,
                        const DenseMap<Value *, Value *> &OutputMappings,
                        DenseSet<PHINode *> &UsedPHIs) {
   OutlinableGroup &Group = *Region.Parent;