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| author | Anton Korobeynikov <asl@math.spbu.ru> | 2009-07-16 14:11:40 +0000 |
|---|---|---|
| committer | Anton Korobeynikov <asl@math.spbu.ru> | 2009-07-16 14:11:40 +0000 |
| commit | 66f1b378bc6d7c52ed4398e0d26cc3c0e9865310 (patch) | |
| tree | 3100eeea1f86c74f1442942e518e65eb3a4b3a42 | |
| parent | c94fdf76dd6dc88ef696f4a33b43c8b3131a0931 (diff) | |
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
| -rw-r--r-- | lib/Target/SystemZ/SystemZRegisterInfo.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/Target/SystemZ/SystemZRegisterInfo.cpp b/lib/Target/SystemZ/SystemZRegisterInfo.cpp index dc1561fb1a..6e8982d94a 100644 --- a/lib/Target/SystemZ/SystemZRegisterInfo.cpp +++ b/lib/Target/SystemZ/SystemZRegisterInfo.cpp @@ -149,7 +149,8 @@ SystemZRegisterInfo::processFunctionBeforeCalleeSavedScan(MachineFunction &MF, /* 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); |