diff options
Diffstat (limited to 'include/llvm/CodeGen')
| -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 6c49eaf..363f206 100644 --- a/include/llvm/CodeGen/MachineFrameInfo.h +++ b/include/llvm/CodeGen/MachineFrameInfo.h @@ -118,6 +118,10 @@ class MachineFrameInfo { /// bool HasVarSizedObjects; + /// FrameAddressTaken - This boolean keeps track of whether there is a call + /// to builtin @llvm.frameaddress. + bool FrameAddressTaken; + /// 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 @@ -174,6 +178,7 @@ public: MachineFrameInfo(const TargetFrameInfo &tfi) : TFI(tfi) { StackSize = NumFixedObjects = OffsetAdjustment = MaxAlignment = 0; HasVarSizedObjects = false; + FrameAddressTaken = false; HasCalls = false; MaxCallFrameSize = 0; MMI = 0; @@ -190,6 +195,12 @@ public: /// bool hasVarSizedObjects() const { return HasVarSizedObjects; } + /// isFrameAddressTaken - This method may be called any time after instruction + /// selection is complete to determine if there is a call to + /// @llvm.frameaddress in this function. + bool isFrameAddressTaken() const { return FrameAddressTaken; } + void setFrameAddressIsTaken(bool T) { FrameAddressTaken = T; } + /// getObjectIndexBegin - Return the minimum frame object index... /// int getObjectIndexBegin() const { return -NumFixedObjects; } |