Add support for BlockAddress values in ARM constant pools.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85806 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 13 insertions, 7 deletions

diff --git a/lib/Target/ARM/ARMConstantPoolValue.h b/lib/Target/ARM/ARMConstantPoolValue.h
index 00c48086ae..1ec3f860c4 100644
--- a/lib/Target/ARM/ARMConstantPoolValue.h
+++ b/lib/Target/ARM/ARMConstantPoolValue.h
@@ -18,31 +18,35 @@
 
 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 global value being loaded, i.e. (&GV-(LPIC+8)).
+/// instruction and the constant being loaded, i.e. (&GV-(LPIC+8)).
 class ARMConstantPoolValue : public MachineConstantPoolValue {
-  GlobalValue *GV;         // GlobalValue being loaded.
+  Constant *CVal;          // Constant being loaded.
   const char *S;           // ExtSymbol being loaded.
   unsigned LabelId;        // Label id of the load.
-  ARMCP::ARMCPKind Kind;   // Value or LSDA?
+  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(GlobalValue *gv, unsigned id,
+  ARMConstantPoolValue(Constant *cval, unsigned id,
                        ARMCP::ARMCPKind Kind = ARMCP::CPValue,
                        unsigned char PCAdj = 0, const char *Modifier = NULL,
                        bool AddCurrentAddress = false);
@@ -53,14 +57,17 @@ public:
   ARMConstantPoolValue();
   ~ARMConstantPoolValue();
 
-
-  GlobalValue *getGV() const { return GV; }
+  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 {
@@ -69,7 +76,6 @@ public:
     return 2;
   }
 
-
   virtual int getExistingMachineCPValue(MachineConstantPool *CP,
                                         unsigned Alignment);