[llvm-commits] [llvm] r104691 - /llvm/trunk/lib/Target/X86/X86ISelLowering.cpp

[Zhongxing Xu]

Author: zhongxingxu
Date: Wed May 26 03:10:02 2010
New Revision: 104691

URL: http://llvm.org/viewvc/llvm-project?rev=104691&view=rev
Log:
SRetReturnReg was set in LowerFormalArguments(). So only assert it here.

Modified:
    llvm/trunk/lib/Target/X86/X86ISelLowering.cpp

Modified: llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86ISelLowering.cpp?rev=104691&r1=104690&r2=104691&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86ISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86ISelLowering.cpp Wed May 26 03:10:02 2010
@@ -1259,10 +1259,8 @@
     MachineFunction &MF = DAG.getMachineFunction();
     X86MachineFunctionInfo *FuncInfo = MF.getInfo<X86MachineFunctionInfo>();
     unsigned Reg = FuncInfo->getSRetReturnReg();
-    if (!Reg) {
-      Reg = MRI.createVirtualRegister(getRegClassFor(MVT::i64));
-      FuncInfo->setSRetReturnReg(Reg);
-    }
+    assert(Reg && 
+           "SRetReturnReg should have been set in LowerFormalArguments().");
     SDValue Val = DAG.getCopyFromReg(Chain, dl, Reg, getPointerTy());
 
     Chain = DAG.getCopyToReg(Chain, dl, X86::RAX, Val, Flag);