Add LLVMScalarOpts to LLVMPowerPCCodeGen.

[oota-llvm.git] / lib / Target / PowerPC / PPCISelLowering.h

diff --git a/lib/Target/PowerPC/PPCISelLowering.h b/lib/Target/PowerPC/PPCISelLowering.h
index 5628bc79342de218b18ebc735495b094511b0377..bb4d1f1f0197536323fb521f9bd460a93da73e27 100644 (file)
--- a/lib/Target/PowerPC/PPCISelLowering.h
+++ b/lib/Target/PowerPC/PPCISelLowering.h
@@ -99,6 +99,10 @@ namespace llvm {
       /// SVR4 calls.
       CALL, CALL_NOP,
 
+      /// CALL_TLS and CALL_NOP_TLS - Versions of CALL and CALL_NOP used
+      /// to access TLS variables.
+      CALL_TLS, CALL_NOP_TLS,
+
       /// CHAIN,FLAG = MTCTR(VAL, CHAIN[, INFLAG]) - Directly corresponds to a
       /// MTCTR instruction.
       MTCTR,
@@ -214,10 +218,6 @@ namespace llvm {
       /// sym\@got\@tlsgd\@l.
       ADDI_TLSGD_L,
 
-      /// G8RC = GET_TLS_ADDR %X3, Symbol - For the general-dynamic TLS
-      /// model, produces a call to __tls_get_addr(sym\@tlsgd).
-      GET_TLS_ADDR,
-
       /// G8RC = ADDIS_TLSLD_HA %X2, Symbol - For the local-dynamic TLS
       /// model, produces an ADDIS8 instruction that adds the GOT base
       /// register to sym\@got\@tlsld\@ha.
@@ -228,10 +228,6 @@ namespace llvm {
       /// sym\@got\@tlsld\@l.
       ADDI_TLSLD_L,
 
-      /// G8RC = GET_TLSLD_ADDR %X3, Symbol - For the local-dynamic TLS
-      /// model, produces a call to __tls_get_addr(sym\@tlsld).
-      GET_TLSLD_ADDR,
-
       /// G8RC = ADDIS_DTPREL_HA %X3, Symbol, Chain - For the
       /// local-dynamic TLS model, produces an ADDIS8 instruction
       /// that adds X3 to sym\@dtprel\@ha. The Chain operand is needed
@@ -349,7 +345,7 @@ namespace llvm {
     const PPCSubtarget &Subtarget;
 
   public:
-    explicit PPCTargetLowering(PPCTargetMachine &TM);
+    explicit PPCTargetLowering(const PPCTargetMachine &TM);
 
     /// getTargetNodeName() - This method returns the name of a target specific
     /// DAG node.
@@ -413,6 +409,11 @@ namespace llvm {
                                        const SelectionDAG &DAG,
                                        unsigned Depth = 0) const override;
 
+    Instruction* emitLeadingFence(IRBuilder<> &Builder, AtomicOrdering Ord,
+                                  bool IsStore, bool IsLoad) const override;
+    Instruction* emitTrailingFence(IRBuilder<> &Builder, AtomicOrdering Ord,
+                                   bool IsStore, bool IsLoad) const override;
+
     MachineBasicBlock *
       EmitInstrWithCustomInserter(MachineInstr *MI,
                                   MachineBasicBlock *MBB) const override;
@@ -562,6 +563,8 @@ namespace llvm {
     SDValue LowerFRAMEADDR(SDValue Op, SelectionDAG &DAG) const;
     SDValue LowerConstantPool(SDValue Op, SelectionDAG &DAG) const;
     SDValue LowerBlockAddress(SDValue Op, SelectionDAG &DAG) const;
+    std::pair<SDValue,SDValue> lowerTLSCall(SDValue Op, SDLoc dl,
+                                            SelectionDAG &DAG) const;
     SDValue LowerGlobalTLSAddress(SDValue Op, SelectionDAG &DAG) const;
     SDValue LowerGlobalAddress(SDValue Op, SelectionDAG &DAG) const;
     SDValue LowerJumpTable(SDValue Op, SelectionDAG &DAG) const;
@@ -695,8 +698,12 @@ namespace llvm {
 
     SDValue DAGCombineExtBoolTrunc(SDNode *N, DAGCombinerInfo &DCI) const;
     SDValue DAGCombineTruncBoolExt(SDNode *N, DAGCombinerInfo &DCI) const;
-    SDValue DAGCombineFastRecip(SDValue Op, DAGCombinerInfo &DCI) const;
-    SDValue BuildRSQRTE(SDValue Op, DAGCombinerInfo &DCI) const;
+
+    SDValue getRsqrtEstimate(SDValue Operand, DAGCombinerInfo &DCI,
+                             unsigned &RefinementSteps,
+                             bool &UseOneConstNR) const override;
+    SDValue getRecipEstimate(SDValue Operand, DAGCombinerInfo &DCI,
+                             unsigned &RefinementSteps) const override;
 
     CCAssignFn *useFastISelCCs(unsigned Flag) const;
   };