Revert "[AVR] Enable the frame pointer for all functions"
This reverts commit 358ad02d999e88853d2cfc954bd2f668308a51f7.
llvm-svn: 302014
diff --git a/llvm/lib/Target/AVR/AVRFrameLowering.cpp b/llvm/lib/Target/AVR/AVRFrameLowering.cpp
index 25232d2..c297865 100644
--- a/llvm/lib/Target/AVR/AVRFrameLowering.cpp
+++ b/llvm/lib/Target/AVR/AVRFrameLowering.cpp
@@ -228,9 +228,8 @@
bool AVRFrameLowering::hasFP(const MachineFunction &MF) const {
const AVRMachineFunctionInfo *FuncInfo = MF.getInfo<AVRMachineFunctionInfo>();
- // TODO: We do not always need a frame pointer.
- // This can be optimised.
- return true;
+ return (FuncInfo->getHasSpills() || FuncInfo->getHasAllocas() ||
+ FuncInfo->getHasStackArgs());
}
bool AVRFrameLowering::spillCalleeSavedRegisters(