5 files changed, 9 insertions, 14 deletions
diff --git a/llvm/lib/Analysis/DependenceAnalysis.cpp b/llvm/lib/Analysis/DependenceAnalysis.cpp
index 3342bdffa39..796c872f014 100644
--- a/llvm/lib/Analysis/DependenceAnalysis.cpp
+++ b/llvm/lib/Analysis/DependenceAnalysis.cpp
@@ -1326,9 +1326,8 @@ bool DependenceInfo::weakCrossingSIVtest(
 // Computes the GCD of AM and BM.
 // Also finds a solution to the equation ax - by = gcd(a, b).
 // Returns true if dependence disproved; i.e., gcd does not divide Delta.
-static
-bool findGCD(unsigned Bits, APInt AM, APInt BM, APInt Delta,
-             APInt &G, APInt &X, APInt &Y) {
+static bool findGCD(unsigned Bits, const APInt &AM, const APInt &BM,
+                    const APInt &Delta, APInt &G, APInt &X, APInt &Y) {
   APInt A0(Bits, 1, true), A1(Bits, 0, true);
   APInt B0(Bits, 0, true), B1(Bits, 1, true);
   APInt G0 = AM.abs();
@@ -1357,9 +1356,7 @@ bool findGCD(unsigned Bits, APInt AM, APInt BM, APInt Delta,
   return false;
 }
 
-
-static
-APInt floorOfQuotient(APInt A, APInt B) {
+static APInt floorOfQuotient(const APInt &A, const APInt &B) {
   APInt Q = A; // these need to be initialized
   APInt R = A;
   APInt::sdivrem(A, B, Q, R);
@@ -1372,9 +1369,7 @@ APInt floorOfQuotient(APInt A, APInt B) {
     return Q - 1;
 }
 
-
-static
-APInt ceilingOfQuotient(APInt A, APInt B) {
+static APInt ceilingOfQuotient(const APInt &A, const APInt &B) {
   APInt Q = A; // these need to be initialized
   APInt R = A;
   APInt::sdivrem(A, B, Q, R);
diff --git a/llvm/lib/Analysis/LazyValueInfo.cpp b/llvm/lib/Analysis/LazyValueInfo.cpp
index 041481411a4..c8568452d5a 100644
--- a/llvm/lib/Analysis/LazyValueInfo.cpp
+++ b/llvm/lib/Analysis/LazyValueInfo.cpp
@@ -297,7 +297,7 @@ raw_ostream &operator<<(raw_ostream &OS, const LVILatticeVal &Val) {
 /// Returns true if this lattice value represents at most one possible value.
 /// This is as precise as any lattice value can get while still representing
 /// reachable code.
-static bool hasSingleValue(LVILatticeVal Val) {
+static bool hasSingleValue(const LVILatticeVal &Val) {
   if (Val.isConstantRange() &&
       Val.getConstantRange().isSingleElement())
     // Integer constants are single element ranges
diff --git a/llvm/lib/Analysis/Loads.cpp b/llvm/lib/Analysis/Loads.cpp
index a687eccf3e9..dce243ca673 100644
--- a/llvm/lib/Analysis/Loads.cpp
+++ b/llvm/lib/Analysis/Loads.cpp
@@ -25,7 +25,7 @@
 
 using namespace llvm;
 
-static bool isAligned(const Value *Base, APInt Offset, unsigned Align,
+static bool isAligned(const Value *Base, const APInt &Offset, unsigned Align,
                       const DataLayout &DL) {
   APInt BaseAlign(Offset.getBitWidth(), Base->getPointerAlignment(DL));
 
@@ -52,7 +52,7 @@ static bool isAligned(const Value *Base, unsigned Align, const DataLayout &DL) {
 /// Test if V is always a pointer to allocated and suitably aligned memory for
 /// a simple load or store.
 static bool isDereferenceableAndAlignedPointer(
-    const Value *V, unsigned Align, APInt Size, const DataLayout &DL,
+    const Value *V, unsigned Align, const APInt &Size, const DataLayout &DL,
     const Instruction *CtxI, const DominatorTree *DT,
     const TargetLibraryInfo *TLI, SmallPtrSetImpl<const Value *> &Visited) {
   // Note that it is not safe to speculate into a malloc'd region because
diff --git a/llvm/lib/Analysis/ScalarEvolution.cpp b/llvm/lib/Analysis/ScalarEvolution.cpp
index b3d98d8ff55..7a6bc3a7637 100644
--- a/llvm/lib/Analysis/ScalarEvolution.cpp
+++ b/llvm/lib/Analysis/ScalarEvolution.cpp
@@ -8811,7 +8811,7 @@ ScalarEvolution::howManyGreaterThans(const SCEV *LHS, const SCEV *RHS,
   return ExitLimit(BECount, MaxBECount, P);
 }
 
-const SCEV *SCEVAddRecExpr::getNumIterationsInRange(ConstantRange Range,
+const SCEV *SCEVAddRecExpr::getNumIterationsInRange(const ConstantRange &Range,
                                                     ScalarEvolution &SE) const {
   if (Range.isFullSet())  // Infinite loop.
     return SE.getCouldNotCompute();
diff --git a/llvm/lib/Analysis/TargetLibraryInfo.cpp b/llvm/lib/Analysis/TargetLibraryInfo.cpp
index 925e7ce2d0d..68b0764c62d 100644
--- a/llvm/lib/Analysis/TargetLibraryInfo.cpp
+++ b/llvm/lib/Analysis/TargetLibraryInfo.cpp
@@ -1133,7 +1133,7 @@ TargetLibraryInfo TargetLibraryAnalysis::run(Function &F) {
       lookupInfoImpl(Triple(F.getParent()->getTargetTriple())));
 }
 
-TargetLibraryInfoImpl &TargetLibraryAnalysis::lookupInfoImpl(Triple T) {
+TargetLibraryInfoImpl &TargetLibraryAnalysis::lookupInfoImpl(const Triple &T) {
   std::unique_ptr<TargetLibraryInfoImpl> &Impl =
       Impls[T.normalize()];
   if (!Impl)