[clang] [CIR] Implement codegen for inline assembly with output operands (PR #176006)

[Andy Kaylor via cfe-commits]

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@@ -102,21 +238,128 @@ mlir::LogicalResult CIRGenFunction::emitAsmStmt(const AsmStmt &s) {
   // in addition to meeting the conditions listed above.
   bool readOnly = true, readNone = true;
 
-  if (s.getNumInputs() != 0 || s.getNumOutputs() != 0) {
+  if (s.getNumInputs() != 0) {
     assert(!cir::MissingFeatures::asmInputOperands());
-    assert(!cir::MissingFeatures::asmOutputOperands());
-    cgm.errorNYI(s.getAsmLoc(), "asm with operands");
+    cgm.errorNYI(srcLoc, "asm with input operands");
   }
 
+  for (unsigned i = 0, e = s.getNumOutputs(); i != e; i++) {
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andykaylor wrote:

```suggestion
  for (unsigned i = 0, e = s.getNumOutputs(); i != e; ++i) {
```

https://github.com/llvm/llvm-project/pull/176006