diff options
Diffstat (limited to 'llvm/lib/Target/ARM/ARMSubtarget.h')
| -rw-r--r-- | llvm/lib/Target/ARM/ARMSubtarget.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/llvm/lib/Target/ARM/ARMSubtarget.h b/llvm/lib/Target/ARM/ARMSubtarget.h index d51a888c951f..e61b90af31b0 100644 --- a/llvm/lib/Target/ARM/ARMSubtarget.h +++ b/llvm/lib/Target/ARM/ARMSubtarget.h @@ -18,6 +18,7 @@ #include "ARMConstantPoolValue.h" #include "ARMFrameLowering.h" #include "ARMISelLowering.h" +#include "ARMMachineFunctionInfo.h" #include "ARMSelectionDAGInfo.h" #include "llvm/ADT/Triple.h" #include "llvm/Analysis/TargetTransformInfo.h" @@ -534,6 +535,10 @@ protected: /// Selected instruction itineraries (one entry per itinerary class.) InstrItineraryData InstrItins; + /// NoBTIAtReturnTwice - Don't place a BTI instruction after + /// return-twice constructs (setjmp) + bool NoBTIAtReturnTwice = false; + /// Options passed via command line that could influence the target const TargetOptions &Options; @@ -840,6 +845,8 @@ public: /// to lr. This is always required on Thumb1-only targets, as the push and /// pop instructions can't access the high registers. bool splitFramePushPop(const MachineFunction &MF) const { + if (MF.getInfo<ARMFunctionInfo>()->shouldSignReturnAddress()) + return true; return (getFramePointerReg() == ARM::R7 && MF.getTarget().Options.DisableFramePointerElim(MF)) || isThumb1Only(); @@ -948,6 +955,8 @@ public: bool hardenSlsRetBr() const { return HardenSlsRetBr; } bool hardenSlsBlr() const { return HardenSlsBlr; } bool hardenSlsNoComdat() const { return HardenSlsNoComdat; } + + bool getNoBTIAtReturnTwice() const { return NoBTIAtReturnTwice; } }; } // end namespace llvm |