[flang-commits] [flang] [flang] Add definition of hlfir.cmpchar operation. (PR #155457)

[Tom Eccles via flang-commits]

================
@@ -820,6 +820,40 @@ void hlfir::ConcatOp::getEffects(
   getIntrinsicEffects(getOperation(), effects);
 }
 
+//===----------------------------------------------------------------------===//
+// CmpCharOp
+//===----------------------------------------------------------------------===//
+
+llvm::LogicalResult hlfir::CmpCharOp::verify() {
+  mlir::Value lchr = getLchr();
+  mlir::Value rchr = getRchr();
+
+  unsigned kind = getCharacterKind(lchr.getType());
+  if (kind != getCharacterKind(rchr.getType()))
+    return emitOpError("character arguments must have the same KIND");
+
+  switch (getPredicate()) {
+  case mlir::arith::CmpIPredicate::slt:
+  case mlir::arith::CmpIPredicate::sle:
+  case mlir::arith::CmpIPredicate::eq:
+  case mlir::arith::CmpIPredicate::ne:
+  case mlir::arith::CmpIPredicate::sgt:
+  case mlir::arith::CmpIPredicate::sge:
----------------
tblah wrote:

Oh okay my mistake. Thanks for the clarification Slava. @valerydmit please feel free to remove these.

https://github.com/llvm/llvm-project/pull/155457