generalize alias support to allow the result of an alias to
add fixed immediate values. Move the aad and aam aliases to
use this, and document it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118350 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/CodeGenInstruction.h b/utils/TableGen/CodeGenInstruction.h
index f5b2239..ac593df 100644
--- a/utils/TableGen/CodeGenInstruction.h
+++ b/utils/TableGen/CodeGenInstruction.h
@@ -267,10 +267,26 @@
struct ResultOperand {
+ private:
StringRef Name;
Record *R;
- ResultOperand(StringRef N, Record *r) : Name(N), R(r) {}
+ int64_t Imm;
+ public:
+ enum {
+ K_Record,
+ K_Imm
+ } Kind;
+
+ ResultOperand(StringRef N, Record *r) : Name(N), R(r), Kind(K_Record) {}
+ ResultOperand(int64_t I) : Imm(I), Kind(K_Imm) {}
+
+ bool isRecord() const { return Kind == K_Record; }
+ bool isImm() const { return Kind == K_Imm; }
+
+ StringRef getName() const { assert(isRecord()); return Name; }
+ Record *getRecord() const { assert(isRecord()); return R; }
+ int64_t getImm() const { assert(isImm()); return Imm; }
};
/// ResultOperands - The decoded operands for the result instruction.