From: Fangrui Song <maskray@google.com>
Date: Thu, 26 Jul 2018 01:11:36 +0000 (+0000)
Subject: [LoadStoreVectorizer] Use const reference
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=77618f2a51733f0db0ec9db3700005abc70360b4;p=llvm

[LoadStoreVectorizer] Use const reference

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@337992 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Transforms/Vectorize/LoadStoreVectorizer.cpp b/lib/Transforms/Vectorize/LoadStoreVectorizer.cpp
index 719df55347a..5f3d127202a 100644
--- a/lib/Transforms/Vectorize/LoadStoreVectorizer.cpp
+++ b/lib/Transforms/Vectorize/LoadStoreVectorizer.cpp
@@ -147,11 +147,11 @@ private:
   static const unsigned MaxDepth = 3;
 
   bool isConsecutiveAccess(Value *A, Value *B);
-  bool areConsecutivePointers(Value *PtrA, Value *PtrB, APInt PtrDelta,
+  bool areConsecutivePointers(Value *PtrA, Value *PtrB, const APInt &PtrDelta,
                               unsigned Depth = 0) const;
   bool lookThroughComplexAddresses(Value *PtrA, Value *PtrB, APInt PtrDelta,
                                    unsigned Depth) const;
-  bool lookThroughSelects(Value *PtrA, Value *PtrB, APInt PtrDelta,
+  bool lookThroughSelects(Value *PtrA, Value *PtrB, const APInt &PtrDelta,
                           unsigned Depth) const;
 
   /// After vectorization, reorder the instructions that I depends on
@@ -319,7 +319,8 @@ bool Vectorizer::isConsecutiveAccess(Value *A, Value *B) {
 }
 
 bool Vectorizer::areConsecutivePointers(Value *PtrA, Value *PtrB,
-                                        APInt PtrDelta, unsigned Depth) const {
+                                        const APInt &PtrDelta,
+                                        unsigned Depth) const {
   unsigned PtrBitWidth = DL.getPointerTypeSizeInBits(PtrA->getType());
   APInt OffsetA(PtrBitWidth, 0);
   APInt OffsetB(PtrBitWidth, 0);
@@ -450,7 +451,8 @@ bool Vectorizer::lookThroughComplexAddresses(Value *PtrA, Value *PtrB,
   return X == OffsetSCEVB;
 }
 
-bool Vectorizer::lookThroughSelects(Value *PtrA, Value *PtrB, APInt PtrDelta,
+bool Vectorizer::lookThroughSelects(Value *PtrA, Value *PtrB,
+                                    const APInt &PtrDelta,
                                     unsigned Depth) const {
   if (Depth++ == MaxDepth)
     return false;