[ConstantInt] Use ConstantInt::getValue instead of Constant::getUniqueInteger in a few places where we obviously have a ConstantInt. NFC

getUniqueInteger will ultimately call ConstantInt::getValue, but calling ConstantInt::getValue should be inlined.

llvm-svn: 310069
diff --git a/llvm/lib/Analysis/BranchProbabilityInfo.cpp b/llvm/lib/Analysis/BranchProbabilityInfo.cpp
index 3748c65..6008c35 100644
--- a/llvm/lib/Analysis/BranchProbabilityInfo.cpp
+++ b/llvm/lib/Analysis/BranchProbabilityInfo.cpp
@@ -496,7 +496,7 @@
   if (Instruction *LHS = dyn_cast<Instruction>(CI->getOperand(0)))
     if (LHS->getOpcode() == Instruction::And)
       if (ConstantInt *AndRHS = dyn_cast<ConstantInt>(LHS->getOperand(1)))
-        if (AndRHS->getUniqueInteger().isPowerOf2())
+        if (AndRHS->getValue().isPowerOf2())
           return false;
 
   // Check if the LHS is the return value of a library function
diff --git a/llvm/lib/Analysis/LazyValueInfo.cpp b/llvm/lib/Analysis/LazyValueInfo.cpp
index e6b013f..e72eede 100644
--- a/llvm/lib/Analysis/LazyValueInfo.cpp
+++ b/llvm/lib/Analysis/LazyValueInfo.cpp
@@ -151,7 +151,7 @@
 
   Optional<APInt> asConstantInteger() const {
     if (isConstant() && isa<ConstantInt>(Val)) {
-      return Val->getUniqueInteger();
+      return cast<ConstantInt>(Val)->getValue();
     } else if (isConstantRange() && Range.isSingleElement()) {
       return *Range.getSingleElement();
     }
@@ -1384,7 +1384,7 @@
     if (auto *C = dyn_cast_or_null<ConstantInt>(
             SimplifyCastInst(CI->getOpcode(), OpConst,
                              CI->getDestTy(), DL))) {
-      return LVILatticeVal::getRange(ConstantRange(C->getUniqueInteger()));
+      return LVILatticeVal::getRange(ConstantRange(C->getValue()));
     }
   } else if (auto *BO = dyn_cast<BinaryOperator>(Val)) {
     bool Op0Match = BO->getOperand(0) == Op;
@@ -1395,7 +1395,7 @@
     Value *RHS = Op1Match ? OpConst : BO->getOperand(1);
     if (auto *C = dyn_cast_or_null<ConstantInt>(
             SimplifyBinOp(BO->getOpcode(), LHS, RHS, DL))) {
-      return LVILatticeVal::getRange(ConstantRange(C->getUniqueInteger()));
+      return LVILatticeVal::getRange(ConstantRange(C->getValue()));
     }
   }
   return LVILatticeVal::getOverdefined();
diff --git a/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp b/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
index b1a2e36..784cdd9c7 100644
--- a/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
+++ b/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
@@ -10762,7 +10762,7 @@
   ConstantInt* Mask = dyn_cast<ConstantInt>(AndI.getOperand(1));
   if (!Mask)
     return false;
-  return Mask->getUniqueInteger().isPowerOf2();
+  return Mask->getValue().isPowerOf2();
 }
 
 void AArch64TargetLowering::initializeSplitCSR(MachineBasicBlock *Entry) const {