commit 66f1b378bc6d7c52ed4398e0d26cc3c0e9865310
author Anton Korobeynikov <asl@math.spbu.ru> Thu Jul 16 14:11:40 2009 +0000
committer Anton Korobeynikov <asl@math.spbu.ru> Thu Jul 16 14:11:40 2009 +0000
tree 3100eeea1f86c74f1442942e518e65eb3a4b3a42
parent c94fdf76dd6dc88ef696f4a33b43c8b3131a0931

Do not forget to save R15 when we allocate stack frame

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75995 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/SystemZ/SystemZRegisterInfo.cpp

diff --git a/lib/Target/SystemZ/SystemZRegisterInfo.cpp b/lib/Target/SystemZ/SystemZRegisterInfo.cpp
index dc1561f..6e8982d 100644
--- a/lib/Target/SystemZ/SystemZRegisterInfo.cpp
+++ b/lib/Target/SystemZ/SystemZRegisterInfo.cpp
@@ -149,7 +149,8 @@
       /* FIXME: function calls eh_return */)
     MF.getRegInfo().setPhysRegUsed(SystemZ::R14D);
 
-  if (FFI->getObjectIndexEnd() != 0 || // Contains automatic variables
+  if (FFI->hasCalls() ||
+      FFI->getObjectIndexEnd() != 0 || // Contains automatic variables
       FFI->hasVarSizedObjects() // Function calls dynamic alloca's
       /* FIXME: function is varargs */)
     MF.getRegInfo().setPhysRegUsed(SystemZ::R15D);