diff options
Diffstat (limited to 'lib/Target/PowerPC/PPCMachineFunctionInfo.h')
-rw-r--r-- | lib/Target/PowerPC/PPCMachineFunctionInfo.h | 30 |
1 files changed, 28 insertions, 2 deletions
diff --git a/lib/Target/PowerPC/PPCMachineFunctionInfo.h b/lib/Target/PowerPC/PPCMachineFunctionInfo.h index 5478455..230ea0b 100644 --- a/lib/Target/PowerPC/PPCMachineFunctionInfo.h +++ b/lib/Target/PowerPC/PPCMachineFunctionInfo.h @@ -43,19 +43,42 @@ private: /// requires that the code generator produce a store of LR to the stack on /// entry, even though LR may otherwise apparently not be used. bool LRStoreRequired; + + /// MinReservedArea - This is the frame size that is at least reserved in a + /// potential caller (parameter+linkage area). + unsigned MinReservedArea; + + /// TailCallSPDelta - Stack pointer delta used when tail calling. Maximum + /// amount the stack pointer is adjusted to make the frame bigger for tail + /// calls. Used for creating an area before the register spill area. + int TailCallSPDelta; + + /// HasFastCall - Does this function contain a fast call. Used to determine + /// how the caller's stack pointer should be calculated (epilog/dynamicalloc). + bool HasFastCall; + public: PPCFunctionInfo(MachineFunction &MF) : FramePointerSaveIndex(0), ReturnAddrSaveIndex(0), SpillsCR(false), - LRStoreRequired(false) {} + LRStoreRequired(false), + MinReservedArea(0), + TailCallSPDelta(0), + HasFastCall(false) {} int getFramePointerSaveIndex() const { return FramePointerSaveIndex; } void setFramePointerSaveIndex(int Idx) { FramePointerSaveIndex = Idx; } int getReturnAddrSaveIndex() const { return ReturnAddrSaveIndex; } void setReturnAddrSaveIndex(int idx) { ReturnAddrSaveIndex = idx; } - + + unsigned getMinReservedArea() const { return MinReservedArea; } + void setMinReservedArea(unsigned size) { MinReservedArea = size; } + + int getTailCallSPDelta() const { return TailCallSPDelta; } + void setTailCallSPDelta(int size) { TailCallSPDelta = size; } + /// UsesLR - This is set when the prolog/epilog inserter does its initial scan /// of the function, it is true if the LR/LR8 register is ever explicitly /// accessed/clobbered in the machine function (e.g. by calls and movpctolr, @@ -68,6 +91,9 @@ public: void setLRStoreRequired() { LRStoreRequired = true; } bool isLRStoreRequired() const { return LRStoreRequired; } + + void setHasFastCall() { HasFastCall = true; } + bool hasFastCall() const { return HasFastCall;} }; } // end of namespace llvm |