diff options
Diffstat (limited to 'include/llvm/CodeGen/MachineFrameInfo.h')
| -rw-r--r-- | include/llvm/CodeGen/MachineFrameInfo.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/llvm/CodeGen/MachineFrameInfo.h b/include/llvm/CodeGen/MachineFrameInfo.h index 25622c65df..fe2c2986b5 100644 --- a/include/llvm/CodeGen/MachineFrameInfo.h +++ b/include/llvm/CodeGen/MachineFrameInfo.h @@ -125,6 +125,10 @@ class MachineFrameInfo { /// to builtin \@llvm.frameaddress. bool FrameAddressTaken; + /// ReturnAddressTaken - This boolean keeps track of whether there is a call + /// to builtin \@llvm.returnaddress. + bool ReturnAddressTaken; + /// StackSize - The prolog/epilog code inserter calculates the final stack /// offsets for all of the fixed size objects, updating the Objects list /// above. It then updates StackSize to contain the number of bytes that need @@ -193,6 +197,7 @@ public: StackSize = NumFixedObjects = OffsetAdjustment = MaxAlignment = 0; HasVarSizedObjects = false; FrameAddressTaken = false; + ReturnAddressTaken = false; AdjustsStack = false; HasCalls = false; StackProtectorIdx = -1; @@ -223,6 +228,12 @@ public: bool isFrameAddressTaken() const { return FrameAddressTaken; } void setFrameAddressIsTaken(bool T) { FrameAddressTaken = T; } + /// isReturnAddressTaken - This method may be called any time after instruction + /// selection is complete to determine if there is a call to + /// \@llvm.returnaddress in this function. + bool isReturnAddressTaken() const { return ReturnAddressTaken; } + void setReturnAddressIsTaken(bool s) { ReturnAddressTaken = s; } + /// getObjectIndexBegin - Return the minimum frame object index. /// int getObjectIndexBegin() const { return -NumFixedObjects; } |