From: Evan Cheng <evan.cheng@apple.com>
Date: Fri, 29 Jan 2010 23:05:56 +0000 (+0000)
Subject: PPC is not ready for sibcall optimization.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=6c2e8a9217ced50da49fb79c569317a50b101f90;p=oota-llvm.git

PPC is not ready for sibcall optimization.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94853 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/PowerPC/PPCISelLowering.cpp b/lib/Target/PowerPC/PPCISelLowering.cpp
index 5219cb73a02..2a4fb024bb6 100644
--- a/lib/Target/PowerPC/PPCISelLowering.cpp
+++ b/lib/Target/PowerPC/PPCISelLowering.cpp
@@ -2200,6 +2200,9 @@ PPCTargetLowering::IsEligibleForTailCallOptimization(SDValue Callee,
                                                      bool isVarArg,
                                       const SmallVectorImpl<ISD::InputArg> &Ins,
                                                      SelectionDAG& DAG) const {
+  if (!PerformTailCallOpt)
+    return false;
+
   // Variable argument functions are not supported.
   if (isVarArg)
     return false;