From c2798a18a779b7aa71dda714349ff41eb6679d9f Mon Sep 17 00:00:00 2001 From: Zhongxing Xu Date: Wed, 26 May 2010 08:10:02 +0000 Subject: [PATCH] SRetReturnReg was set in LowerFormalArguments(). So only assert it here. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104691 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Target/X86/X86ISelLowering.cpp | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp index c0813f323cb..b02c33d3f88 100644 --- a/lib/Target/X86/X86ISelLowering.cpp +++ b/lib/Target/X86/X86ISelLowering.cpp @@ -1259,10 +1259,8 @@ X86TargetLowering::LowerReturn(SDValue Chain, MachineFunction &MF = DAG.getMachineFunction(); X86MachineFunctionInfo *FuncInfo = MF.getInfo(); 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);