[Constants] Replace calls to ConstantInt::equalsInt(0)/equalsInt(1) with isZero and isOne. NFCI

llvm-svn: 307293
diff --git a/llvm/lib/Analysis/ScalarEvolution.cpp b/llvm/lib/Analysis/ScalarEvolution.cpp
index fadf6f7..3fb1ab9 100644
--- a/llvm/lib/Analysis/ScalarEvolution.cpp
+++ b/llvm/lib/Analysis/ScalarEvolution.cpp
@@ -2743,7 +2743,7 @@
     }
 
     // If we are left with a constant one being multiplied, strip it off.
-    if (cast<SCEVConstant>(Ops[0])->getValue()->equalsInt(1)) {
+    if (cast<SCEVConstant>(Ops[0])->getValue()->isOne()) {
       Ops.erase(Ops.begin());
       --Idx;
     } else if (cast<SCEVConstant>(Ops[0])->getValue()->isZero()) {
@@ -2939,7 +2939,7 @@
          "SCEVUDivExpr operand types don't match!");
 
   if (const SCEVConstant *RHSC = dyn_cast<SCEVConstant>(RHS)) {
-    if (RHSC->getValue()->equalsInt(1))
+    if (RHSC->getValue()->isOne())
       return LHS;                               // X udiv 1 --> x
     // If the denominator is zero, the result of the udiv is undefined. Don't
     // try to analyze it, because the resolution chosen here may differ from
@@ -7626,7 +7626,7 @@
   // to 0, it must be counting down to equal 0. Consequently, N = Start / -Step.
   // We have not yet seen any such cases.
   const SCEVConstant *StepC = dyn_cast<SCEVConstant>(Step);
-  if (!StepC || StepC->getValue()->equalsInt(0))
+  if (!StepC || StepC->getValue()->isZero())
     return getCouldNotCompute();
 
   // For positive steps (counting up until unsigned overflow):