remove command line option debugging hook.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126441 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index a8bb4ef27827be8f2b4aa0f445bc2f9c50054279..bbd3a230e37f3f0e6f73e7150bb4cde98627993c 100644 (file)
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -45,7 +45,6 @@
 #include "llvm/ADT/Statistic.h"
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/ADT/VectorExtras.h"
-#include "llvm/Support/CommandLine.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/Dwarf.h"
 #include "llvm/Support/ErrorHandling.h"
@@ -56,10 +55,6 @@ using namespace dwarf;
 
 STATISTIC(NumTailCalls, "Number of tail calls");
 
-static cl::opt<bool>
-Disable256Bit("disable-256bit", cl::Hidden,
-              cl::desc("Disable use of 256-bit vectors"));
-
 // Forward declarations.
 static SDValue getMOVL(SelectionDAG &DAG, DebugLoc dl, EVT VT, SDValue V1,
                        SDValue V2);
@@ -4337,7 +4332,6 @@ X86TargetLowering::LowerBUILD_VECTOR(SDValue Op, SelectionDAG &DAG) const {
   // use shuffles to put them in place.
   if (VT.getSizeInBits() > 256 && 
       Subtarget->hasAVX() && 
-      !Disable256Bit &&
       !ISD::isBuildVectorAllZeros(Op.getNode())) {
     SmallVector<SDValue, 8> V;
     V.resize(NumElems);