[clang] [CIR] Support zero-result ops in clangir TableGen lowering (PR #202273)

[Erich Keane via cfe-commits]

================
@@ -138,7 +138,7 @@ void GenerateLLVMLoweringPattern(llvm::StringRef OpName,
                                  llvm::StringRef PatternName, bool IsRecursive,
                                  llvm::StringRef ExtraDecl,
                                  const Record *CustomCtorRec,
-                                 llvm::StringRef LLVMOp) {
+                                 llvm::StringRef LLVMOp, bool IsZeroResult) {
----------------
erichkeane wrote:

```suggestion
                                 llvm::StringRef LLVMOp, bool HasZeroResults) {
```

https://github.com/llvm/llvm-project/pull/202273