commit ca2c87653cfd6831124d654617950d1e906cadb8
author Craig Topper <craig.topper@intel.com> Thu Jul 06 18:39:49 2017 +0000
committer Craig Topper <craig.topper@intel.com> Thu Jul 06 18:39:49 2017 +0000
tree 6bd0599a6233034c25ce9416094575c11c755387
parent 79ab643da842b03da893a0188426450525e6ada5

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

llvm-svn: 307293

llvm/lib/IR/ConstantFold.cpp

diff --git a/llvm/lib/IR/ConstantFold.cpp b/llvm/lib/IR/ConstantFold.cpp
index 464baad..23ccd8d 100644
--- a/llvm/lib/IR/ConstantFold.cpp
+++ b/llvm/lib/IR/ConstantFold.cpp
@@ -1015,28 +1015,28 @@
   if (ConstantInt *CI2 = dyn_cast<ConstantInt>(C2)) {
     switch (Opcode) {
     case Instruction::Add:
-      if (CI2->equalsInt(0)) return C1;                         // X + 0 == X
+      if (CI2->isZero()) return C1;                             // X + 0 == X
       break;
     case Instruction::Sub:
-      if (CI2->equalsInt(0)) return C1;                         // X - 0 == X
+      if (CI2->isZero()) return C1;                             // X - 0 == X
       break;
     case Instruction::Mul:
-      if (CI2->equalsInt(0)) return C2;                         // X * 0 == 0
-      if (CI2->equalsInt(1))
+      if (CI2->isZero()) return C2;                             // X * 0 == 0
+      if (CI2->isOne())
         return C1;                                              // X * 1 == X
       break;
     case Instruction::UDiv:
     case Instruction::SDiv:
-      if (CI2->equalsInt(1))
+      if (CI2->isOne())
         return C1;                                            // X / 1 == X
-      if (CI2->equalsInt(0))
+      if (CI2->isZero())
         return UndefValue::get(CI2->getType());               // X / 0 == undef
       break;
     case Instruction::URem:
     case Instruction::SRem:
-      if (CI2->equalsInt(1))
+      if (CI2->isOne())
         return Constant::getNullValue(CI2->getType());        // X % 1 == 0
-      if (CI2->equalsInt(0))
+      if (CI2->isZero())
         return UndefValue::get(CI2->getType());               // X % 0 == undef
       break;
     case Instruction::And:
@@ -1078,12 +1078,12 @@
       }
       break;
     case Instruction::Or:
-      if (CI2->equalsInt(0)) return C1;    // X | 0 == X
+      if (CI2->isZero()) return C1;        // X | 0 == X
       if (CI2->isMinusOne())
         return C2;                         // X | -1 == -1
       break;
     case Instruction::Xor:
-      if (CI2->equalsInt(0)) return C1;    // X ^ 0 == X
+      if (CI2->isZero()) return C1;        // X ^ 0 == X
 
       if (ConstantExpr *CE1 = dyn_cast<ConstantExpr>(C1)) {
         switch (CE1->getOpcode()) {
@@ -1091,7 +1091,7 @@
         case Instruction::ICmp:
         case Instruction::FCmp:
           // cmp pred ^ true -> cmp !pred
-          assert(CI2->equalsInt(1));
+          assert(CI2->isOne());
           CmpInst::Predicate pred = (CmpInst::Predicate)CE1->getPredicate();
           pred = CmpInst::getInversePredicate(pred);
           return ConstantExpr::getCompare(pred, CE1->getOperand(0),
@@ -1170,7 +1170,7 @@
     case Instruction::LShr:
     case Instruction::AShr:
     case Instruction::Shl:
-      if (CI1->equalsInt(0)) return C1;
+      if (CI1->isZero()) return C1;
       break;
     default:
       break;