commit 54bf84c1b8dcf48083ec4d403d79e57f94346372
author Evan Cheng <evan.cheng@apple.com> Fri Jan 29 23:05:56 2010 +0000
committer Evan Cheng <evan.cheng@apple.com> Fri Jan 29 23:05:56 2010 +0000
tree 8f4ef2e2f4437f3976a0c85b9fd9d4a944f6d489
parent a2440259c7bc10102f92e318329d1d101107862d

PPC is not ready for sibcall optimization.

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

lib/Target/PowerPC/PPCISelLowering.cpp

diff --git a/lib/Target/PowerPC/PPCISelLowering.cpp b/lib/Target/PowerPC/PPCISelLowering.cpp
index 5219cb7..2a4fb02 100644
--- a/lib/Target/PowerPC/PPCISelLowering.cpp
+++ b/lib/Target/PowerPC/PPCISelLowering.cpp
@@ -2200,6 +2200,9 @@
                                                      bool isVarArg,
                                       const SmallVectorImpl<ISD::InputArg> &Ins,
                                                      SelectionDAG& DAG) const {
+  if (!PerformTailCallOpt)
+    return false;
+
   // Variable argument functions are not supported.
   if (isVarArg)
     return false;