[clang] [CIR] Add `InlineAsmOp` (PR #153362)

[Morris Hafner via cfe-commits]

================
@@ -2406,6 +2406,212 @@ OpFoldResult RotateOp::fold(FoldAdaptor adaptor) {
   return IntAttr::get(input.getContext(), input.getType(), resultValue);
 }
 
+//===----------------------------------------------------------------------===//
+// InlineAsmOp
+//===----------------------------------------------------------------------===//
+
+void cir::InlineAsmOp::print(OpAsmPrinter &p) {
+  p << '(' << getAsmFlavor() << ", ";
+  p.increaseIndent();
+  p.printNewline();
+
+  llvm::SmallVector<std::string, 3> names{"out", "in", "in_out"};
+  auto *nameIt = names.begin();
+  auto *attrIt = getOperandAttrs().begin();
+
+  for (mlir::OperandRange ops : getAsmOperands()) {
+    p << *nameIt << " = ";
+
+    p << '[';
+    llvm::interleaveComma(llvm::make_range(ops.begin(), ops.end()), p,
+                          [&](Value value) {
+                            p.printOperand(value);
+                            p << " : " << value.getType();
+                            if (*attrIt)
+                              p << " (maybe_memory)";
+                            attrIt++;
+                          });
+    p << "],";
+    p.printNewline();
+    ++nameIt;
+  }
+
+  p << "{";
+  p.printString(getAsmString());
+  p << " ";
+  p.printString(getConstraints());
+  p << "}";
+  p.decreaseIndent();
+  p << ')';
+  if (getSideEffects())
+    p << " side_effects";
+
+  llvm::SmallVector<::llvm::StringRef, 2> elidedAttrs;
+  elidedAttrs.push_back("asm_flavor");
+  elidedAttrs.push_back("asm_string");
+  elidedAttrs.push_back("constraints");
+  elidedAttrs.push_back("operand_attrs");
+  elidedAttrs.push_back("operands_segments");
+  elidedAttrs.push_back("side_effects");
+  p.printOptionalAttrDict(getOperation()->getAttrs(), elidedAttrs);
----------------
mmha wrote:

```suggestion
  std::array elidedAttrs{
      llvm::StringRef("asm_flavor"),        llvm::StringRef("asm_string"),
      llvm::StringRef("constraints"),       llvm::StringRef("operand_attrs"),
      llvm::StringRef("operands_segments"), llvm::StringRef("side_effects")};
  p.printOptionalAttrDict(getOperation()->getAttrs(), elidedAttrs);
```

That SmallVector is too small.

https://github.com/llvm/llvm-project/pull/153362