Hexagon: Use TFR_cond with cmpb.[eq,gt,gtu] to handle
zext( set[ne,eq,gt,ugt] (...) ) type of dag patterns.
llvm-svn: 174429
diff --git a/llvm/lib/Target/Hexagon/HexagonISelDAGToDAG.cpp b/llvm/lib/Target/Hexagon/HexagonISelDAGToDAG.cpp
index 381032b..6443cb2 100644
--- a/llvm/lib/Target/Hexagon/HexagonISelDAGToDAG.cpp
+++ b/llvm/lib/Target/Hexagon/HexagonISelDAGToDAG.cpp
@@ -97,7 +97,14 @@
SDNode *SelectAdd(SDNode *N);
bool isConstExtProfitable(SDNode *N) const;
- // Include the pieces autogenerated from the target description.
+// XformU7ToU7M1Imm - Return a target constant decremented by 1, in range
+// [1..128], used in cmpb.gtu instructions.
+inline SDValue XformU7ToU7M1Imm(signed Imm) {
+ assert((Imm >= 1 && Imm <= 128) && "Constant out of range for cmpb op");
+ return CurDAG->getTargetConstant(Imm - 1, MVT::i8);
+}
+
+// Include the pieces autogenerated from the target description.
#include "HexagonGenDAGISel.inc"
};
} // end anonymous namespace