Reference RegionPass to stop it being eliminated.

[oota-llvm.git] / include / llvm / CodeGen / RegisterCoalescer.h

diff --git a/include/llvm/CodeGen/RegisterCoalescer.h b/include/llvm/CodeGen/RegisterCoalescer.h
index 7aec10ccb38868aee678452422dbaa5b82a0c996..7644433a33a15d2b13404027517ca4749573f3da 100644 (file)
--- a/include/llvm/CodeGen/RegisterCoalescer.h
+++ b/include/llvm/CodeGen/RegisterCoalescer.h
@@ -165,9 +165,6 @@ namespace llvm {
     /// virtual register.
     unsigned subIdx_;
 
-    /// origDstReg_ - dstReg_ without subreg adjustments.
-    unsigned origDstReg_;
-
     /// partial_ - True when the original copy was a partial subregister copy.
     bool partial_;
 
@@ -192,8 +189,7 @@ namespace llvm {
   public:
     CoalescerPair(const TargetInstrInfo &tii, const TargetRegisterInfo &tri)
       : tii_(tii), tri_(tri), dstReg_(0), srcReg_(0), subIdx_(0),
-        origDstReg_(0), partial_(false), crossClass_(false), flipped_(false),
-        newRC_(0) {}
+        partial_(false), crossClass_(false), flipped_(false), newRC_(0) {}
 
     /// setRegisters - set registers to match the copy instruction MI. Return
     /// false if MI is not a coalescable copy instruction.
@@ -232,10 +228,6 @@ namespace llvm {
     /// coalesced into, or 0.
     unsigned getSubIdx() const { return subIdx_; }
 
-    /// getOrigDstReg - Return DstReg as it appeared in the original copy
-    /// instruction before any subreg adjustments.
-    unsigned getOrigDstReg() const { return isPhys() ? origDstReg_ : dstReg_; }
-
     /// getNewRC - Return the register class of the coalesced register.
     const TargetRegisterClass *getNewRC() const { return newRC_; }
   };