Refactor: Simplify boolean conditional return statements in lib/Targe…

…t/PowerPC

Summary: Use clang-tidy to simplify boolean conditional return statements

Reviewers: uweigand, rafael, wschmidt

Subscribers: craig.topper, llvm-commits

Patch by Richard Thomson!

Differential Revision: http://reviews.llvm.org/D9984

llvm-svn: 256493

llvm/lib/Target/PowerPC/PPCFastISel.cpp

@@ -293,10 +293,7 @@ bool PPCFastISel::isValueAvailable(const Value *V) const {
     return true;
 
   const auto *I = cast<Instruction>(V);
-  if (FuncInfo.MBBMap[I->getParent()] == FuncInfo.MBB)
-    return true;
-
-  return false;
+  return FuncInfo.MBBMap[I->getParent()] == FuncInfo.MBB;
 }
 
 // Given a value Obj, create an Address object Addr that represents its

llvm/lib/Target/PowerPC/PPCISelDAGToDAG.cpp

@@ -1612,10 +1612,7 @@ class BitPermutationSelector {
           return false;
         }
 
-        if (VRI.RLAmt != EffRLAmt)
-          return false;
-
-        return true;
+        return VRI.RLAmt == EffRLAmt;
       };
 
       for (auto &BG : BitGroups) {

llvm/lib/Target/PowerPC/PPCISelLowering.cpp

@@ -11434,9 +11434,7 @@ bool PPCTargetLowering::shouldConvertConstantLoadToIntImm(const APInt &Imm,
   assert(Ty->isIntegerTy());
 
   unsigned BitSize = Ty->getPrimitiveSizeInBits();
-  if (BitSize == 0 || BitSize > 64)
-    return false;
-  return true;
+  return !(BitSize == 0 || BitSize > 64);
 }
 
 bool PPCTargetLowering::isTruncateFree(Type *Ty1, Type *Ty2) const {

llvm/lib/Target/PowerPC/PPCVSXSwapRemoval.cpp

@@ -164,9 +164,7 @@ struct PPCVSXSwapRemoval : public MachineFunctionPass {
   bool isRegInClass(unsigned Reg, const TargetRegisterClass *RC) {
     if (TargetRegisterInfo::isVirtualRegister(Reg))
       return RC->hasSubClassEq(MRI->getRegClass(Reg));
-    if (RC->contains(Reg))
-      return true;
-    return false;
+    return RC->contains(Reg);
   }
 
   // Return true iff the given register is a full vector register.