[llvm-commits] CVS: llvm/include/llvm/Target/TargetInstrInfo.h

[Evan Cheng]

Changes in directory llvm/include/llvm/Target:

TargetInstrInfo.h updated: 1.86 -> 1.87
---
Log message:

lib/Target/Target.td

---
Diffs of the changes:  (+20 -1)

 TargetInstrInfo.h |   21 ++++++++++++++++++++-
 1 files changed, 20 insertions(+), 1 deletion(-)


Index: llvm/include/llvm/Target/TargetInstrInfo.h
diff -u llvm/include/llvm/Target/TargetInstrInfo.h:1.86 llvm/include/llvm/Target/TargetInstrInfo.h:1.87
--- llvm/include/llvm/Target/TargetInstrInfo.h:1.86	Thu May 11 20:58:24 2006
+++ llvm/include/llvm/Target/TargetInstrInfo.h	Thu May 18 15:42:07 2006
@@ -76,6 +76,11 @@
 // block.
 const unsigned M_USES_CUSTOM_DAG_SCHED_INSERTION = 1 << 11;
 
+// Machine operand flags
+// M_LOOK_UP_PTR_REG_CLASS - Set if this operand is a pointer value and it
+// requires a callback to look up its register class.
+const unsigned M_LOOK_UP_PTR_REG_CLASS = 1 << 0;
+
 /// TargetOperandInfo - This holds information about one operand of a machine
 /// instruction, indicating the register class for register operands, etc.
 ///
@@ -84,7 +89,7 @@
   /// RegClass - This specifies the register class of the operand if the
   /// operand is a register.  If not, this contains null.
   const TargetRegisterClass *RegClass;
-  
+  unsigned Flags;
   /// Currently no other information.
 };
 
@@ -137,6 +142,13 @@
     return get(Opcode).Name;
   }
 
+  const TargetRegisterClass
+  *getInstrOperandRegClass(const TargetInstrDescriptor *II, unsigned Op) const {
+    const TargetOperandInfo &toi = II->OpInfo[Op];
+    return (toi.Flags & M_LOOK_UP_PTR_REG_CLASS)
+           ? getPointerRegClass() : toi.RegClass;
+  }
+
   int getNumOperands(MachineOpCode Opcode) const {
     return get(Opcode).numOperands;
   }
@@ -275,6 +287,13 @@
     assert(0 && "Target didn't implement insertNoop!");
     abort();
   }
+
+  /// getPointerRegClass - Returns a TargetRegisterClass used for pointer
+  /// values.
+  virtual const TargetRegisterClass *getPointerRegClass() const {
+    assert(0 && "Target didn't implement getPointerRegClass!");
+    abort();
+  }
   
   /// hasDelaySlot - Returns true if the specified instruction has a delay slot
   /// which must be filled by the code generator.