[llvm] r256451 - [X86] Fold some variable declarations and initializations into if statements. NFC

[Craig Topper via llvm-commits]

Author: ctopper
Date: Sat Dec 26 13:48:37 2015
New Revision: 256451

URL: http://llvm.org/viewvc/llvm-project?rev=256451&view=rev
Log:
[X86] Fold some variable declarations and initializations into if statements. NFC

Modified:
    llvm/trunk/lib/Target/X86/X86ISelLowering.cpp

Modified: llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86ISelLowering.cpp?rev=256451&r1=256450&r2=256451&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86ISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86ISelLowering.cpp Sat Dec 26 13:48:37 2015
@@ -4922,8 +4922,7 @@ static bool getTargetShuffleMask(SDNode
     if (MaskNode->getOpcode() == X86ISD::VBROADCAST) {
       unsigned NumEltsInMask = MaskNode->getNumOperands();
       MaskNode = MaskNode->getOperand(0);
-      auto *CN = dyn_cast<ConstantSDNode>(MaskNode);
-      if (CN) {
+      if (auto *CN = dyn_cast<ConstantSDNode>(MaskNode)) {
         APInt MaskEltValue = CN->getAPIntValue();
         for (unsigned i = 0; i < NumEltsInMask; ++i)
           RawMask.push_back(MaskEltValue.getLoBits(MaskLoBits).getZExtValue());
@@ -4946,8 +4945,7 @@ static bool getTargetShuffleMask(SDNode
     if (!MaskCP || MaskCP->isMachineConstantPoolEntry())
       return false;
 
-    auto *C = dyn_cast<Constant>(MaskCP->getConstVal());
-    if (C) {
+    if (auto *C = dyn_cast<Constant>(MaskCP->getConstVal())) {
       DecodeVPERMVMask(C, VT, Mask);
       if (Mask.empty())
         return false;
@@ -4999,8 +4997,7 @@ static bool getTargetShuffleMask(SDNode
     if (!MaskCP || MaskCP->isMachineConstantPoolEntry())
       return false;
 
-    auto *C = dyn_cast<Constant>(MaskCP->getConstVal());
-    if (C) {
+    if (auto *C = dyn_cast<Constant>(MaskCP->getConstVal())) {
       DecodeVPERMV3Mask(C, VT, Mask);
       if (Mask.empty())
         return false;