Move constant-sized bitvector to the stack.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217600 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/X86/X86FloatingPoint.cpp b/lib/Target/X86/X86FloatingPoint.cpp
index 8fdf50325eab29d50a22ffb58c8e1c46e3e062bd..6c203aa586067bf95859f2af5ef7f6d335a4ff7e 100644 (file)
--- a/lib/Target/X86/X86FloatingPoint.cpp
+++ b/lib/Target/X86/X86FloatingPoint.cpp
@@ -25,7 +25,6 @@
 
 #include "X86.h"
 #include "X86InstrInfo.h"
-#include "llvm/ADT/BitVector.h"
 #include "llvm/ADT/DepthFirstIterator.h"
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/ADT/SmallPtrSet.h"
@@ -46,6 +45,7 @@
 #include "llvm/Target/TargetMachine.h"
 #include "llvm/Target/TargetSubtargetInfo.h"
 #include <algorithm>
+#include <bitset>
 using namespace llvm;
 
 #define DEBUG_TYPE "x86-codegen"
@@ -1655,7 +1655,7 @@ void FPS::setKillFlags(MachineBasicBlock &MBB) const {
     if (I->isDebugValue())
       continue;
 
-    BitVector Defs(8);
+    std::bitset<8> Defs;
     SmallVector<MachineOperand *, 2> Uses;
     MachineInstr &MI = *I;