#include "llvm/Target/TargetFrameLowering.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineFunction.h"
+#include "llvm/IR/Function.h"
#include "llvm/Target/TargetRegisterInfo.h"
#include "llvm/Target/TargetSubtargetInfo.h"
#include <cstdlib>
TargetFrameLowering::~TargetFrameLowering() {
}
+/// The default implementation just looks at attribute "no-frame-pointer-elim".
+bool TargetFrameLowering::noFramePointerElim(const MachineFunction &MF) const {
+ auto Attr = MF.getFunction()->getFnAttribute("no-frame-pointer-elim");
+ return Attr.getValueAsString() == "true";
+}
+
/// getFrameIndexOffset - Returns the displacement from the frame register to
/// the stack frame of the specified index. This is the default implementation
/// which is overridden for some targets.