[llvm-commits] CVS: llvm/lib/Target/X86/X86ISelPattern.cpp

[Chris Lattner]

Changes in directory llvm/lib/Target/X86:

X86ISelPattern.cpp updated: 1.177 -> 1.178
---
Log message:

This code is no longer needed, it is moved to the target-indep code


---
Diffs of the changes:  (+0 -25)

 X86ISelPattern.cpp |   25 -------------------------
 1 files changed, 25 deletions(-)


Index: llvm/lib/Target/X86/X86ISelPattern.cpp
diff -u llvm/lib/Target/X86/X86ISelPattern.cpp:1.177 llvm/lib/Target/X86/X86ISelPattern.cpp:1.178
--- llvm/lib/Target/X86/X86ISelPattern.cpp:1.177	Thu Sep  1 19:16:09 2005
+++ llvm/lib/Target/X86/X86ISelPattern.cpp	Tue Sep 13 14:31:44 2005
@@ -1156,31 +1156,6 @@
 }
 
 void ISel::EmitFunctionEntryCode(Function &Fn, MachineFunction &MF) {
-  // If this function has live-in values, emit the copies from pregs to vregs at
-  // the top of the function, before anything else.
-  MachineBasicBlock *BB = MF.begin();
-  if (MF.livein_begin() != MF.livein_end()) {
-    SSARegMap *RegMap = MF.getSSARegMap();
-    for (MachineFunction::livein_iterator LI = MF.livein_begin(),
-         E = MF.livein_end(); LI != E; ++LI) {
-      const TargetRegisterClass *RC = RegMap->getRegClass(LI->second);
-      if (RC == X86::R8RegisterClass) {
-        BuildMI(BB, X86::MOV8rr, 1, LI->second).addReg(LI->first);
-      } else if (RC == X86::R16RegisterClass) {
-        BuildMI(BB, X86::MOV16rr, 1, LI->second).addReg(LI->first);
-      } else if (RC == X86::R32RegisterClass) {
-        BuildMI(BB, X86::MOV32rr, 1, LI->second).addReg(LI->first);
-      } else if (RC == X86::RFPRegisterClass) {
-        BuildMI(BB, X86::FpMOV, 1, LI->second).addReg(LI->first);
-      } else if (RC == X86::RXMMRegisterClass) {
-        BuildMI(BB, X86::MOVAPDrr, 1, LI->second).addReg(LI->first);
-      } else {
-        assert(0 && "Unknown regclass!");
-      }
-    }
-  }
-
-
   // If this is main, emit special code for main.
   if (Fn.hasExternalLinkage() && Fn.getName() == "main")
     EmitSpecialCodeForMain(BB, MF.getFrameInfo());