Remove some unused forward declarations.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@227812 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/X86/X86FrameLowering.h b/lib/Target/X86/X86FrameLowering.h
index 448a365142467ea1580aaafb18e66ce4ac7c5fa2..542bbbc79ae404ae70a97cd550a0a3a5df270ba3 100644 (file)
--- a/lib/Target/X86/X86FrameLowering.h
+++ b/lib/Target/X86/X86FrameLowering.h
@@ -18,10 +18,6 @@
 
 namespace llvm {
 
-class MCSymbol;
-class X86TargetMachine;
-class X86Subtarget;
-
 class X86FrameLowering : public TargetFrameLowering {
 public:
   explicit X86FrameLowering(StackDirection D, unsigned StackAl, int LAO)