Taints the non-acquire RMW's store address with the load part

[oota-llvm.git] / lib / Target / X86 / X86MachineFunctionInfo.h

diff --git a/lib/Target/X86/X86MachineFunctionInfo.h b/lib/Target/X86/X86MachineFunctionInfo.h
index 092f5b10d21ca48f8c5c92b26158e166d8842c8a..00515dde55682ddb7250570281c6146dd3b3e046 100644 (file)
--- a/lib/Target/X86/X86MachineFunctionInfo.h
+++ b/lib/Target/X86/X86MachineFunctionInfo.h
@@ -84,14 +84,18 @@ class X86MachineFunctionInfo : public MachineFunctionInfo {
   /// of pushes to pass function parameters.
   bool HasPushSequences = false;
 
-  /// True if the function uses llvm.x86.seh.restoreframe, and it needed a spill
-  /// slot for the frame pointer.
+  /// True if the function recovers from an SEH exception, and therefore needs
+  /// to spill and restore the frame pointer.
   bool HasSEHFramePtrSave = false;
 
   /// The frame index of a stack object containing the original frame pointer
   /// used to address arguments in a function using a base pointer.
   int SEHFramePtrSaveIndex = 0;
 
+  /// True if this function has a subset of CSRs that is handled explicitly via
+  /// copies.
+  bool IsSplitCSR = false;
+
 private:
   /// ForwardedMustTailRegParms - A list of virtual and physical registers
   /// that must be forwarded to every musttail call.
@@ -160,6 +164,9 @@ public:
   SmallVectorImpl<ForwardedRegister> &getForwardedMustTailRegParms() {
     return ForwardedMustTailRegParms;
   }
+
+  bool isSplitCSR() const { return IsSplitCSR; }
+  void setIsSplitCSR(bool s) { IsSplitCSR = s; }
 };
 
 } // End llvm namespace