hoist some funky logic into CodeGenInstruction
from two places in CodeGenDAGPatterns.cpp, and
use it in DAGISelMatcherGen.cpp instead of using
an incorrect predicate that happened to get lucky
on our current targets.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99726 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/CodeGenInstruction.h b/utils/TableGen/CodeGenInstruction.h
index c369123..946c2d0 100644
--- a/utils/TableGen/CodeGenInstruction.h
+++ b/utils/TableGen/CodeGenInstruction.h
@@ -22,6 +22,7 @@
namespace llvm {
class Record;
class DagInit;
+ class CodeGenTarget;
class CodeGenInstruction {
public:
@@ -183,6 +184,12 @@
/// non-empty name. If the instruction does not have an operand with the
/// specified name, throw an exception.
unsigned getOperandNamed(const std::string &Name) const;
+
+ /// HasOneImplicitDefWithKnownVT - If the instruction has at least one
+ /// implicit def and it has a known VT, return the VT, otherwise return
+ /// MVT::Other.
+ MVT::SimpleValueType
+ HasOneImplicitDefWithKnownVT(const CodeGenTarget &TargetInfo) const;
};
}