[llvm-commits] CVS: llvm/lib/CodeGen/LiveVariables.cpp

[Chris Lattner]

Changes in directory llvm/lib/CodeGen:

LiveVariables.cpp updated: 1.4 -> 1.5

---
Log message:

Re-add gross hack, it's still necessary.  :(


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Diffs of the changes:

Index: llvm/lib/CodeGen/LiveVariables.cpp
diff -u llvm/lib/CodeGen/LiveVariables.cpp:1.4 llvm/lib/CodeGen/LiveVariables.cpp:1.5
--- llvm/lib/CodeGen/LiveVariables.cpp:1.4	Tue May  6 16:32:39 2003
+++ llvm/lib/CodeGen/LiveVariables.cpp	Tue May  6 16:44:54 2003
@@ -165,7 +165,12 @@
 	  if (MO.isVirtualRegister() && !MO.getVRegValueOrNull()) {
 	    unsigned RegIdx = MO.getReg()-MRegisterInfo::FirstVirtualRegister;
 	    HandleVirtRegUse(getVarInfo(RegIdx), MBB, MI);
-	  } else if (MO.isPhysicalRegister() && MO.getReg() != 0) {
+	  } else if (MO.isPhysicalRegister() && MO.getReg() != 0
+		   /// FIXME: This is a gross hack, due to us not being able to
+		   /// say that some registers are defined on entry to the
+		   /// function.  5 = ESP
+&& MO.getReg() != 5
+) {
 	    HandlePhysRegUse(MO.getReg(), MI);
 	  }
 	}
@@ -188,7 +193,12 @@
 	    VRInfo.DefBlock = MBB;                           // Created here...
 	    VRInfo.DefInst = MI;
 	    VRInfo.Kills.push_back(std::make_pair(MBB, MI)); // Defaults to dead
-	  } else if (MO.isPhysicalRegister() && MO.getReg() != 0) {
+	  } else if (MO.isPhysicalRegister() && MO.getReg() != 0
+		   /// FIXME: This is a gross hack, due to us not being able to
+		   /// say that some registers are defined on entry to the
+		   /// function.  5 = ESP
+&& MO.getReg() != 5
+) {
 	    HandlePhysRegDef(MO.getReg(), MI);
 	  }
 	}