[ShrinkWrap] Add (a simplified version) of shrink-wrapping.

[oota-llvm.git] / lib / Target / X86 / X86SelectionDAGInfo.h

diff --git a/lib/Target/X86/X86SelectionDAGInfo.h b/lib/Target/X86/X86SelectionDAGInfo.h
index 0d5dc38ae898888ea6aabe0e70ab4489cf00ebf5..eb7e0ed9de6ce14fe96a6d3e3ad11ecddb30906f 100644 (file)
--- a/lib/Target/X86/X86SelectionDAGInfo.h
+++ b/lib/Target/X86/X86SelectionDAGInfo.h
@@ -11,8 +11,8 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef X86SELECTIONDAGINFO_H
-#define X86SELECTIONDAGINFO_H
+#ifndef LLVM_LIB_TARGET_X86_X86SELECTIONDAGINFO_H
+#define LLVM_LIB_TARGET_X86_X86SELECTIONDAGINFO_H
 
 #include "llvm/Target/TargetSelectionDAGInfo.h"
 
@@ -23,14 +23,13 @@ class X86TargetMachine;
 class X86Subtarget;
 
 class X86SelectionDAGInfo : public TargetSelectionDAGInfo {
-  /// Subtarget - Keep a pointer to the X86Subtarget around so that we can
-  /// make the right decision when generating code for different targets.
-  const X86Subtarget *Subtarget;
-
-  const X86TargetLowering &TLI;
+  /// Returns true if it is possible for the base register to conflict with the
+  /// given set of clobbers for a memory intrinsic.
+  bool isBaseRegConflictPossible(SelectionDAG &DAG,
+                                 ArrayRef<unsigned> ClobberSet) const;
 
 public:
-  explicit X86SelectionDAGInfo(const X86TargetMachine &TM);
+  explicit X86SelectionDAGInfo(const DataLayout &DL);
   ~X86SelectionDAGInfo();
 
   SDValue EmitTargetCodeForMemset(SelectionDAG &DAG, SDLoc dl,