fix a bug where we had an implicit assumption that the

result instruction operand numbering matched the result pattern.

Fixing this allows us to move the xchg/test aliases to the .td file.

llvm-svn: 118334

1 files changed, 5 insertions, 0 deletions

diff --git a/llvm/utils/TableGen/CodeGenInstruction.h b/llvm/utils/TableGen/CodeGenInstruction.h
index 0e636a87679..f5b22396360 100644
--- a/llvm/utils/TableGen/CodeGenInstruction.h
+++ b/llvm/utils/TableGen/CodeGenInstruction.h
@@ -277,6 +277,11 @@ namespace llvm {
     std::vector<ResultOperand> ResultOperands;
     
     CodeGenInstAlias(Record *R, CodeGenTarget &T);
+    
+    /// getResultInstOperandIndexForResultOperandIndex - Given an index into the
+    /// ResultOperands array, translate it to a valid index in ResultInst's
+    /// operand list.
+    unsigned getResultInstOperandIndexForResultOperandIndex(unsigned i) const;
   };    
 }