Check in LLVM r95781.
diff --git a/lib/Target/ARM/ARMConstantPoolValue.h b/lib/Target/ARM/ARMConstantPoolValue.h
new file mode 100644
index 0000000..741acde
--- /dev/null
+++ b/lib/Target/ARM/ARMConstantPoolValue.h
@@ -0,0 +1,100 @@
+//===- ARMConstantPoolValue.h - ARM constantpool value ----------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements the ARM specific constantpool value class.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_TARGET_ARM_CONSTANTPOOLVALUE_H
+#define LLVM_TARGET_ARM_CONSTANTPOOLVALUE_H
+
+#include "llvm/CodeGen/MachineConstantPool.h"
+
+namespace llvm {
+
+class Constant;
+class BlockAddress;
+class GlobalValue;
+class LLVMContext;
+
+namespace ARMCP {
+ enum ARMCPKind {
+ CPValue,
+ CPExtSymbol,
+ CPBlockAddress,
+ CPLSDA
+ };
+}
+
+/// ARMConstantPoolValue - ARM specific constantpool value. This is used to
+/// represent PC-relative displacement between the address of the load
+/// instruction and the constant being loaded, i.e. (&GV-(LPIC+8)).
+class ARMConstantPoolValue : public MachineConstantPoolValue {
+ Constant *CVal; // Constant being loaded.
+ const char *S; // ExtSymbol being loaded.
+ unsigned LabelId; // Label id of the load.
+ ARMCP::ARMCPKind Kind; // Kind of constant.
+ unsigned char PCAdjust; // Extra adjustment if constantpool is pc-relative.
+ // 8 for ARM, 4 for Thumb.
+ const char *Modifier; // GV modifier i.e. (&GV(modifier)-(LPIC+8))
+ bool AddCurrentAddress;
+
+public:
+ ARMConstantPoolValue(Constant *cval, unsigned id,
+ ARMCP::ARMCPKind Kind = ARMCP::CPValue,
+ unsigned char PCAdj = 0, const char *Modifier = NULL,
+ bool AddCurrentAddress = false);
+ ARMConstantPoolValue(LLVMContext &C, const char *s, unsigned id,
+ unsigned char PCAdj = 0, const char *Modifier = NULL,
+ bool AddCurrentAddress = false);
+ ARMConstantPoolValue(GlobalValue *GV, const char *Modifier);
+ ARMConstantPoolValue();
+ ~ARMConstantPoolValue();
+
+ GlobalValue *getGV() const;
+ const char *getSymbol() const { return S; }
+ BlockAddress *getBlockAddress() const;
+ const char *getModifier() const { return Modifier; }
+ bool hasModifier() const { return Modifier != NULL; }
+ bool mustAddCurrentAddress() const { return AddCurrentAddress; }
+ unsigned getLabelId() const { return LabelId; }
+ unsigned char getPCAdjustment() const { return PCAdjust; }
+ bool isGlobalValue() const { return Kind == ARMCP::CPValue; }
+ bool isExtSymbol() const { return Kind == ARMCP::CPExtSymbol; }
+ bool isBlockAddress() { return Kind == ARMCP::CPBlockAddress; }
+ bool isLSDA() { return Kind == ARMCP::CPLSDA; }
+
+ virtual unsigned getRelocationInfo() const {
+ // FIXME: This is conservatively claiming that these entries require a
+ // relocation, we may be able to do better than this.
+ return 2;
+ }
+
+ virtual int getExistingMachineCPValue(MachineConstantPool *CP,
+ unsigned Alignment);
+
+ virtual void AddSelectionDAGCSEId(FoldingSetNodeID &ID);
+
+ /// hasSameValue - Return true if this ARM constpool value
+ /// can share the same constantpool entry as another ARM constpool value.
+ bool hasSameValue(ARMConstantPoolValue *ACPV);
+
+ void print(raw_ostream *O) const { if (O) print(*O); }
+ void print(raw_ostream &O) const;
+ void dump() const;
+};
+
+inline raw_ostream &operator<<(raw_ostream &O, const ARMConstantPoolValue &V) {
+ V.print(O);
+ return O;
+}
+
+} // End llvm namespace
+
+#endif