[ARM][Debug Info] Restore emitting of .cfi_def_cfa_offset for functions without stack...

[oota-llvm.git] / lib / Target / ARM / ARMISelLowering.h

diff --git a/lib/Target/ARM/ARMISelLowering.h b/lib/Target/ARM/ARMISelLowering.h
index 38ba39bbe5a368cab3fbb60c1094f736fd35cc03..dd4c954e937c76792a7fe0e9f280ba55c74ef2e3 100644 (file)
--- a/lib/Target/ARM/ARMISelLowering.h
+++ b/lib/Target/ARM/ARMISelLowering.h
@@ -65,11 +65,6 @@ namespace llvm {
 
       RBIT,         // ARM bitreverse instruction
 
-      FTOSI,        // FP to sint within a FP register.
-      FTOUI,        // FP to uint within a FP register.
-      SITOF,        // sint to FP within a FP register.
-      UITOF,        // uint to FP within a FP register.
-
       SRL_FLAG,     // V,Flag = srl_flag X -> srl X, 1 + save carry out.
       SRA_FLAG,     // V,Flag = sra_flag X -> sra X, 1 + save carry out.
       RRX,          // V = RRX X, Flag     -> srl X, 1 + shift in carry flag.
@@ -232,7 +227,8 @@ namespace llvm {
 
   class ARMTargetLowering : public TargetLowering {
   public:
-    explicit ARMTargetLowering(TargetMachine &TM);
+    explicit ARMTargetLowering(const TargetMachine &TM,
+                               const ARMSubtarget &STI);
 
     unsigned getJumpTableEncoding() const override;
 
@@ -282,6 +278,8 @@ namespace llvm {
     using TargetLowering::isZExtFree;
     bool isZExtFree(SDValue Val, EVT VT2) const override;
 
+    bool isVectorLoadExtDesirable(SDValue ExtVal) const override;
+
     bool allowTruncateForTailCall(Type *Ty1, Type *Ty2) const override;
 
 
@@ -332,9 +330,10 @@ namespace llvm {
     ConstraintWeight getSingleConstraintMatchWeight(
       AsmOperandInfo &info, const char *constraint) const override;
 
-    std::pair<unsigned, const TargetRegisterClass*>
-      getRegForInlineAsmConstraint(const std::string &Constraint,
-                                   MVT VT) const override;
+    std::pair<unsigned, const TargetRegisterClass *>
+    getRegForInlineAsmConstraint(const TargetRegisterInfo *TRI,
+                                 const std::string &Constraint,
+                                 MVT VT) const override;
 
     /// LowerAsmOperandForConstraint - Lower the specified operand into the Ops
     /// vector.  If it is invalid, don't add anything to Ops. If hasMemory is
@@ -344,6 +343,12 @@ namespace llvm {
                                       std::vector<SDValue> &Ops,
                                       SelectionDAG &DAG) const override;
 
+    unsigned getInlineAsmMemConstraint(
+        const std::string &ConstraintCode) const override {
+      // FIXME: Map different constraints differently.
+      return InlineAsm::Constraint_m;
+    }
+
     const ARMSubtarget* getSubtarget() const {
       return Subtarget;
     }
@@ -352,16 +357,15 @@ namespace llvm {
     /// specified value type.
     const TargetRegisterClass *getRegClassFor(MVT VT) const override;
 
-    /// getMaximalGlobalOffset - Returns the maximal possible offset which can
-    /// be used for loads / stores from the global.
-    unsigned getMaximalGlobalOffset() const override;
-
     /// Returns true if a cast between SrcAS and DestAS is a noop.
     bool isNoopAddrSpaceCast(unsigned SrcAS, unsigned DestAS) const override {
       // Addrspacecasts are always noops.
       return true;
     }
 
+    bool shouldAlignPointerArgs(CallInst *CI, unsigned &MinSize,
+                                unsigned &PrefAlign) const override;
+
     /// createFastISel - This method returns a target specific FastISel object,
     /// or null if the target does not support "fast" ISel.
     FastISel *createFastISel(FunctionLoweringInfo &funcInfo,
@@ -392,25 +396,32 @@ namespace llvm {
     bool functionArgumentNeedsConsecutiveRegisters(
         Type *Ty, CallingConv::ID CallConv, bool isVarArg) const override;
 
+    bool hasLoadLinkedStoreConditional() const override;
+    Instruction *makeDMB(IRBuilder<> &Builder, ARM_MB::MemBOpt Domain) const;
     Value *emitLoadLinked(IRBuilder<> &Builder, Value *Addr,
                           AtomicOrdering Ord) const override;
     Value *emitStoreConditional(IRBuilder<> &Builder, Value *Val,
                                 Value *Addr, AtomicOrdering Ord) const override;
 
-    void emitLeadingFence(IRBuilder<> &Builder, AtomicOrdering Ord,
+    Instruction* emitLeadingFence(IRBuilder<> &Builder, AtomicOrdering Ord,
                           bool IsStore, bool IsLoad) const override;
-    void emitTrailingFence(IRBuilder<> &Builder, AtomicOrdering Ord,
+    Instruction* emitTrailingFence(IRBuilder<> &Builder, AtomicOrdering Ord,
                            bool IsStore, bool IsLoad) const override;
 
     bool shouldExpandAtomicLoadInIR(LoadInst *LI) const override;
     bool shouldExpandAtomicStoreInIR(StoreInst *SI) const override;
-    bool shouldExpandAtomicRMWInIR(AtomicRMWInst *AI) const override;
+    TargetLoweringBase::AtomicRMWExpansionKind
+    shouldExpandAtomicRMWInIR(AtomicRMWInst *AI) const override;
 
     bool useLoadStackGuardNode() const override;
 
+    bool canCombineStoreAndExtract(Type *VectorTy, Value *Idx,
+                                   unsigned &Cost) const override;
+
   protected:
-    std::pair<const TargetRegisterClass*, uint8_t>
-    findRepresentativeClass(MVT VT) const override;
+    std::pair<const TargetRegisterClass *, uint8_t>
+    findRepresentativeClass(const TargetRegisterInfo *TRI,
+                            MVT VT) const override;
 
   private:
     /// Subtarget - Keep a pointer to the ARMSubtarget around so that we can
@@ -521,12 +532,8 @@ namespace llvm {
                        SDLoc dl, SDValue &Chain,
                        const Value *OrigArg,
                        unsigned InRegsParamRecordIdx,
-                       unsigned OffsetFromOrigArg,
-                       unsigned ArgOffset,
-                       unsigned ArgSize,
-                       bool ForceMutable,
-                       unsigned ByValStoreOffset,
-                       unsigned TotalArgRegsSaveSize) const;
+                       int ArgOffset,
+                       unsigned ArgSize) const;
 
     void VarArgStyleRegisters(CCState &CCInfo, SelectionDAG &DAG,
                               SDLoc dl, SDValue &Chain,
@@ -534,12 +541,6 @@ namespace llvm {
                               unsigned TotalArgRegsSaveSize,
                               bool ForceMutable = false) const;
 
-    void computeRegArea(CCState &CCInfo, MachineFunction &MF,
-                        unsigned InRegsParamRecordIdx,
-                        unsigned ArgSize,
-                        unsigned &ArgRegsSize,
-                        unsigned &ArgRegsSaveSize) const;
-
     SDValue
       LowerCall(TargetLowering::CallLoweringInfo &CLI,
                 SmallVectorImpl<SDValue> &InVals) const override;