Remember if LR register has been spilled in this function.

[oota-llvm.git] / lib / Target / ARM / ARMMachineFunctionInfo.h

diff --git a/lib/Target/ARM/ARMMachineFunctionInfo.h b/lib/Target/ARM/ARMMachineFunctionInfo.h
index 05dc0dccdeb2e49a8cf37072500f90ec46e90557..6ce4d532ff0ec790651997b01007b22554cc561b 100644 (file)
--- a/lib/Target/ARM/ARMMachineFunctionInfo.h
+++ b/lib/Target/ARM/ARMMachineFunctionInfo.h
@@ -36,6 +36,10 @@ class ARMFunctionInfo : public MachineFunctionInfo {
   /// processFunctionBeforeCalleeSavedScan().
   bool HasStackFrame;
 
+  /// LRSpilled - True if the LR register has been spilled.
+  ///
+  bool LRSpilled;
+
   /// FramePtrSpillOffset - If HasStackFrame, this records the frame pointer
   /// spill stack offset.
   unsigned FramePtrSpillOffset;
@@ -71,14 +75,14 @@ class ARMFunctionInfo : public MachineFunctionInfo {
 public:
   ARMFunctionInfo() :
     isThumb(false),
-    VarArgsRegSaveSize(0), HasStackFrame(false), FramePtrSpillOffset(0),
-    GPRCS1Offset(0), GPRCS2Offset(0), DPRCSOffset(0),
+    VarArgsRegSaveSize(0), HasStackFrame(false), LRSpilled(false),
+    FramePtrSpillOffset(0), GPRCS1Offset(0), GPRCS2Offset(0), DPRCSOffset(0),
     GPRCS1Size(0), GPRCS2Size(0), DPRCSSize(0), JumpTableUId(0) {}
 
   ARMFunctionInfo(MachineFunction &MF) :
     isThumb(MF.getTarget().getSubtarget<ARMSubtarget>().isThumb()),
-    VarArgsRegSaveSize(0), HasStackFrame(false), FramePtrSpillOffset(0),
-    GPRCS1Offset(0), GPRCS2Offset(0), DPRCSOffset(0),
+    VarArgsRegSaveSize(0), HasStackFrame(false), LRSpilled(false),
+    FramePtrSpillOffset(0), GPRCS1Offset(0), GPRCS2Offset(0), DPRCSOffset(0),
     GPRCS1Size(0), GPRCS2Size(0), DPRCSSize(0), JumpTableUId(0) {}
 
   bool isThumbFunction() const { return isThumb; }
@@ -88,6 +92,10 @@ public:
 
   bool hasStackFrame() const { return HasStackFrame; }
   void setHasStackFrame(bool s) { HasStackFrame = s; }
+
+  bool isLRSpilled() const { return LRSpilled; }
+  void setLRIsSpilled(bool s) { LRSpilled = s; }
+
   unsigned getFramePtrSpillOffset() const { return FramePtrSpillOffset; }
   void setFramePtrSpillOffset(unsigned o) { FramePtrSpillOffset = o; }