Delete incorrect reference to inexistent Hexagon architecture manuals.

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

diff --git a/lib/Target/ARM/ARMSelectionDAGInfo.h b/lib/Target/ARM/ARMSelectionDAGInfo.h
index 753369037a1101f2dbaa40599695e89e1d3b37a3..6419a737295a7a8848a1f50650fc89ace500d47c 100644 (file)
--- a/lib/Target/ARM/ARMSelectionDAGInfo.h
+++ b/lib/Target/ARM/ARMSelectionDAGInfo.h
@@ -14,10 +14,27 @@
 #ifndef ARMSELECTIONDAGINFO_H
 #define ARMSELECTIONDAGINFO_H
 
+#include "MCTargetDesc/ARMAddressingModes.h"
 #include "llvm/Target/TargetSelectionDAGInfo.h"
 
 namespace llvm {
 
+namespace ARM_AM {
+  static inline ShiftOpc getShiftOpcForNode(unsigned Opcode) {
+    switch (Opcode) {
+    default:          return ARM_AM::no_shift;
+    case ISD::SHL:    return ARM_AM::lsl;
+    case ISD::SRL:    return ARM_AM::lsr;
+    case ISD::SRA:    return ARM_AM::asr;
+    case ISD::ROTR:   return ARM_AM::ror;
+    //case ISD::ROTL:  // Only if imm -> turn into ROTR.
+    // Can't handle RRX here, because it would require folding a flag into
+    // the addressing mode.  :(  This causes us to miss certain things.
+    //case ARMISD::RRX: return ARM_AM::rrx;
+    }
+  }
+}  // end namespace ARM_AM
+
 class ARMSelectionDAGInfo : public TargetSelectionDAGInfo {
   /// Subtarget - Keep a pointer to the ARMSubtarget around so that we can
   /// make the right decision when generating code for different targets.
@@ -35,6 +52,15 @@ public:
                                   bool isVolatile, bool AlwaysInline,
                                   MachinePointerInfo DstPtrInfo,
                                   MachinePointerInfo SrcPtrInfo) const;
+
+  // Adjust parameters for memset, see RTABI section 4.3.4
+  virtual
+  SDValue EmitTargetCodeForMemset(SelectionDAG &DAG, DebugLoc dl,
+                                  SDValue Chain,
+                                  SDValue Op1, SDValue Op2,
+                                  SDValue Op3, unsigned Align,
+                                  bool isVolatile,
+                                  MachinePointerInfo DstPtrInfo) const;
 };
 
 }