[PATCH] D23989: Fix -Wunused-but-set-variable warning.

[Haojian Wu via cfe-commits]

hokein created this revision.
hokein added a reviewer: bkramer.
hokein added a subscriber: cfe-commits.

A follow-up fix on r279958.

https://reviews.llvm.org/D23989

Files:
  lib/Target/X86/X86ISelLowering.cpp

Index: lib/Target/X86/X86ISelLowering.cpp
===================================================================
--- lib/Target/X86/X86ISelLowering.cpp
+++ lib/Target/X86/X86ISelLowering.cpp
@@ -14617,25 +14617,21 @@
 
   MVT LogicVT;
   MVT EltVT;
-  unsigned NumElts;
 
   if (VT.isVector()) {
     LogicVT = VT;
     EltVT = VT.getVectorElementType();
-    NumElts = VT.getVectorNumElements();
   } else if (IsF128) {
     // SSE instructions are used for optimized f128 logical operations.
     LogicVT = MVT::f128;
     EltVT = VT;
-    NumElts = 1;
   } else {
     // There are no scalar bitwise logical SSE/AVX instructions, so we
     // generate a 16-byte vector constant and logic op even for the scalar case.
     // Using a 16-byte mask allows folding the load of the mask with
     // the logic op, so it can save (~4 bytes) on code size.
     LogicVT = (VT == MVT::f64) ? MVT::v2f64 : MVT::v4f32;
     EltVT = VT;
-    NumElts = (VT == MVT::f64) ? 2 : 4;
   }
 
   unsigned EltBits = EltVT.getSizeInBits();


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