From b3a58ad7f1462e8e88225cc71c03d678c0d4d23f Mon Sep 17 00:00:00 2001
From: Sanjoy Das <sanjoy@playingwithpointers.com>
Date: Tue, 15 Sep 2015 23:45:31 +0000
Subject: [PATCH] [SCEVExpander] Fix comment formatting; NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247747 91177308-0d34-0410-b5e6-96231b3b80d8
---
.../llvm/Analysis/ScalarEvolutionExpander.h | 21 +++++++++++--------
1 file changed, 12 insertions(+), 9 deletions(-)
diff --git a/include/llvm/Analysis/ScalarEvolutionExpander.h b/include/llvm/Analysis/ScalarEvolutionExpander.h
index e5647860db5..6bddb8a8132 100644
--- a/include/llvm/Analysis/ScalarEvolutionExpander.h
+++ b/include/llvm/Analysis/ScalarEvolutionExpander.h
@@ -117,9 +117,10 @@ namespace llvm {
/// \brief Return true for expressions that may incur non-trivial cost to
/// evaluate at runtime.
- /// 'At' is an optional parameter which specifies point in code where user
- /// is going to expand this expression. Sometimes this knowledge can lead to
- /// a more accurate cost estimation.
+ ///
+ /// At is an optional parameter which specifies point in code where user is
+ /// going to expand this expression. Sometimes this knowledge can lead to a
+ /// more accurate cost estimation.
bool isHighCostExpansion(const SCEV *Expr, Loop *L,
const Instruction *At = nullptr) {
SmallPtrSet<const SCEV *, 8> Processed;
@@ -197,12 +198,14 @@ namespace llvm {
void setChainedPhi(PHINode *PN) { ChainedPhis.insert(PN); }
- /// \brief Try to find LLVM IR value for 'S' available at the point 'At'.
- // 'L' is a hint which tells in which loop to look for the suitable value.
- // On success return value which is equivalent to the expanded 'S' at point
- // 'At'. Return nullptr if value was not found.
- // Note that this function does not perform exhaustive search. I.e if it
- // didn't find any value it does not mean that there is no such value.
+ /// \brief Try to find LLVM IR value for S available at the point At.
+ ///
+ /// L is a hint which tells in which loop to look for the suitable value.
+ /// On success return value which is equivalent to the expanded S at point
+ /// At. Return nullptr if value was not found.
+ ///
+ /// Note that this function does not perform an exhaustive search. I.e if it
+ /// didn't find any value it does not mean that there is no such value.
Value *findExistingExpansion(const SCEV *S, const Instruction *At, Loop *L);
private:
--
2.34.1