Revert "Liveness Analysis Pass"

This reverts commit r197254.

This was an accidental merge of Juergen's patch. It will be checked in
shortly, but wasn't meant to go in quite yet.

Conflicts:
	include/llvm/CodeGen/StackMaps.h
	lib/CodeGen/StackMaps.cpp
	test/CodeGen/X86/stackmap-liveness.ll

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@197260 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 3 insertions, 27 deletions

diff --git a/include/llvm/CodeGen/StackMaps.h b/include/llvm/CodeGen/StackMaps.h
index 1bf5b5e80d..c61ba59eeb 100644
--- a/include/llvm/CodeGen/StackMaps.h
+++ b/include/llvm/CodeGen/StackMaps.h
@@ -93,20 +93,6 @@ public:
       : LocType(LocType), Size(Size), Reg(Reg), Offset(Offset) {}
   };
 
-  struct LiveOutReg {
-    unsigned short Reg;
-    unsigned short RegNo;
-    unsigned short Size;
-
-    LiveOutReg() : Reg(0), RegNo(0), Size(0) {}
-    LiveOutReg(unsigned short Reg, unsigned short RegNo, unsigned short Size)
-      : Reg(Reg), RegNo(RegNo), Size(Size) {}
-
-    // Only sort by the dwarf register number.
-    bool operator< (const LiveOutReg &LO) const { return RegNo < LO.RegNo; }
-    static bool isInvalid(const LiveOutReg &LO) { return LO.Reg == 0; }
-  };
-
   // OpTypes are used to encode information about the following logical
   // operand (which may consist of several MachineOperands) for the
   // OpParser.
@@ -129,18 +115,15 @@ public:
 
 private:
   typedef SmallVector<Location, 8> LocationVec;
-  typedef SmallVector<LiveOutReg, 8> LiveOutVec;
 
   struct CallsiteInfo {
     const MCExpr *CSOffsetExpr;
     uint64_t ID;
     LocationVec Locations;
-    LiveOutVec LiveOuts;
     CallsiteInfo() : CSOffsetExpr(0), ID(0) {}
     CallsiteInfo(const MCExpr *CSOffsetExpr, uint64_t ID,
-                 LocationVec &Locations, LiveOutVec &LiveOuts)
-      : CSOffsetExpr(CSOffsetExpr), ID(ID), Locations(Locations),
-        LiveOuts(LiveOuts) {}
+                 LocationVec Locations)
+      : CSOffsetExpr(CSOffsetExpr), ID(ID), Locations(Locations) {}
   };
 
   typedef std::vector<CallsiteInfo> CallsiteInfoList;
@@ -171,15 +154,8 @@ private:
 
   std::pair<Location, MachineInstr::const_mop_iterator>
   parseOperand(MachineInstr::const_mop_iterator MOI,
-               MachineInstr::const_mop_iterator MOE) const;
-
-  /// \brief Create a live-out register record for the given register @p Reg.
-  LiveOutReg createLiveOutReg(unsigned Reg, const MCRegisterInfo &MCRI,
-                              const TargetRegisterInfo *TRI) const;
+               MachineInstr::const_mop_iterator MOE);
 
-  /// \brief Parse the register live-out mask and return a vector of live-out
-  /// registers that need to be recorded in the stackmap.
-  LiveOutVec parseRegisterLiveOutMask(const uint32_t *Mask) const;
 
   /// This should be called by the MC lowering code _immediately_ before
   /// lowering the MI to an MCInst. It records where the operands for the