Revert "[X86] Fix a variable name for r237977 so that it works with every compilers."

Revert "[X86] Refactor the prologue emission to prepare for shrink-wrapping."

This reverts commit 6b3b93fc8b68a2c806aa992ee4bd3d7f61898d4b.
This reverts commit ab0b15dff8539826283a59c2dd700a18a9680e0f.

llvm-svn: 238011

1 files changed, 0 insertions, 20 deletions

diff --git a/llvm/lib/Target/X86/X86FrameLowering.h b/llvm/lib/Target/X86/X86FrameLowering.h
index eeeda75d337..a23bce9745e 100644
--- a/llvm/lib/Target/X86/X86FrameLowering.h
+++ b/llvm/lib/Target/X86/X86FrameLowering.h
@@ -79,26 +79,6 @@ public:
                                  MachineBasicBlock &MBB,
                                  MachineBasicBlock::iterator MI) const override;
 
-  /// Check the instruction before/after the passed instruction. If
-  /// it is an ADD/SUB/LEA instruction it is deleted argument and the
-  /// stack adjustment is returned as a positive value for ADD/LEA and
-  /// a negative for SUB.
-  static int mergeSPUpdates(MachineBasicBlock &MBB,
-                            MachineBasicBlock::iterator &MBBI,
-                            unsigned StackPtr, bool doMergeWithPrevious);
-
-  /// Emit a series of instructions to increment / decrement the stack
-  /// pointer by a constant value.
-  static void emitSPUpdate(MachineBasicBlock &MBB,
-                           MachineBasicBlock::iterator &MBBI, unsigned StackPtr,
-                           int64_t NumBytes, bool Is64BitTarget,
-                           bool Is64BitStackPtr, bool UseLEA,
-                           const TargetInstrInfo &TII,
-                           const TargetRegisterInfo &TRI);
-
-  /// Check that LEA can be use on SP in a prologue sequence for \p MF.
-  bool useLEAForSPInProlog(const MachineFunction &MF) const;
-
 private:
   /// convertArgMovsToPushes - This method tries to convert a call sequence
   /// that uses sub and mov instructions to put the argument onto the stack