fix the comments

Author: LiqinWeng

llvm/lib/Target/AArch64/AArch64ISelLowering.cpp

@@ -17934,8 +17934,8 @@ AArch64TargetLowering::isDesirableToCommuteWithShift(const SDNode *N,
   if (!ShiftLHS->hasOneUse())
     return false;
 
-  if ((ShiftLHS.getOpcode() == ISD::SIGN_EXTEND &&
-       !ShiftLHS.getOperand(0)->hasOneUse()))
+  if (ShiftLHS.getOpcode() == ISD::SIGN_EXTEND &&
+      !ShiftLHS.getOperand(0)->hasOneUse())
     return false;
 
   // If ShiftLHS is unsigned bit extraction: ((x >> C) & mask), then do not

llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp

@@ -1077,8 +1077,8 @@ bool AMDGPUTargetLowering::isDesirableToCommuteWithShift(
   if (!ShiftLHS->hasOneUse())
     return false;
 
-  if ((ShiftLHS.getOpcode() == ISD::SIGN_EXTEND &&
-       !ShiftLHS.getOperand(0)->hasOneUse()))
+  if (ShiftLHS.getOpcode() == ISD::SIGN_EXTEND &&
+      !ShiftLHS.getOperand(0)->hasOneUse())
     return false;
 
   // Always commute pre-type legalization and right shifts.

llvm/lib/Target/ARM/ARMISelLowering.cpp

@@ -13884,8 +13884,8 @@ ARMTargetLowering::isDesirableToCommuteWithShift(const SDNode *N,
   if (!ShiftLHS->hasOneUse())
     return false;
 
-  if ((ShiftLHS.getOpcode() == ISD::SIGN_EXTEND &&
-       !ShiftLHS.getOperand(0)->hasOneUse()))
+  if (ShiftLHS.getOpcode() == ISD::SIGN_EXTEND &&
+      !ShiftLHS.getOperand(0)->hasOneUse())
     return false;
 
   if (Level == BeforeLegalizeTypes)

llvm/lib/Target/Hexagon/HexagonISelLowering.cpp

@@ -2163,8 +2163,8 @@ bool HexagonTargetLowering::isDesirableToCommuteWithShift(
   if (!ShiftLHS->hasOneUse())
     return false;
 
-  if ((ShiftLHS.getOpcode() == ISD::SIGN_EXTEND &&
-       !ShiftLHS.getOperand(0)->hasOneUse()))
+  if (ShiftLHS.getOpcode() == ISD::SIGN_EXTEND &&
+      !ShiftLHS.getOperand(0)->hasOneUse())
     return false;
 
   return true;

llvm/lib/Target/PowerPC/PPCISelLowering.cpp

@@ -19177,8 +19177,8 @@ bool PPCTargetLowering::isDesirableToCommuteWithShift(
   if (!ShiftLHS->hasOneUse())
     return false;
 
-  if ((ShiftLHS.getOpcode() == ISD::SIGN_EXTEND &&
-       !ShiftLHS.getOperand(0)->hasOneUse()))
+  if (ShiftLHS.getOpcode() == ISD::SIGN_EXTEND &&
+      !ShiftLHS.getOperand(0)->hasOneUse())
     return false;
 
   return true;

llvm/lib/Target/X86/X86ISelLowering.cpp

@@ -60684,8 +60684,8 @@ bool X86TargetLowering::isDesirableToCommuteWithShift(
   if (!ShiftLHS->hasOneUse())
     return false;
 
-  if ((ShiftLHS.getOpcode() == ISD::SIGN_EXTEND &&
-       !ShiftLHS.getOperand(0)->hasOneUse()))
+  if (ShiftLHS.getOpcode() == ISD::SIGN_EXTEND &&
+      !ShiftLHS.getOperand(0)->hasOneUse())
     return false;
 
   return true;