[Mlir-commits] [mlir] [MLIR][LLVM] Implement LLVM dialect support for global aliases (PR #125295)

[Christian Ulmann]

================
@@ -2422,6 +2439,144 @@ LogicalResult GlobalDtorsOp::verify() {
   return success();
 }
 
+//===----------------------------------------------------------------------===//
+// Builder, printer and verifier for LLVM::AliasOp.
+//===----------------------------------------------------------------------===//
+
+void AliasOp::build(OpBuilder &builder, OperationState &result, Type type,
+                    Linkage linkage, StringRef name, unsigned addrSpace,
+                    bool dsoLocal, bool threadLocal,
+                    ArrayRef<NamedAttribute> attrs) {
+  result.addAttribute(getSymNameAttrName(result.name),
+                      builder.getStringAttr(name));
+  result.addAttribute(getAliasTypeAttrName(result.name), TypeAttr::get(type));
+  if (dsoLocal)
+    result.addAttribute(getDsoLocalAttrName(result.name),
+                        builder.getUnitAttr());
+  if (threadLocal)
+    result.addAttribute(getThreadLocal_AttrName(result.name),
+                        builder.getUnitAttr());
+
+  result.addAttribute(getLinkageAttrName(result.name),
+                      LinkageAttr::get(builder.getContext(), linkage));
+  if (addrSpace != 0)
+    result.addAttribute(getAddrSpaceAttrName(result.name),
+                        builder.getI32IntegerAttr(addrSpace));
+  result.attributes.append(attrs.begin(), attrs.end());
+
+  result.addRegion();
+}
+
+void AliasOp::print(OpAsmPrinter &p) {
+  p << ' ' << stringifyLinkage(getLinkage()) << ' ';
+  StringRef visibility = stringifyVisibility(getVisibility_());
+  if (!visibility.empty())
+    p << visibility << ' ';
+  if (getThreadLocal_())
+    p << "thread_local ";
+  if (auto unnamedAddr = getUnnamedAddr()) {
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Dinistro wrote:

Nit: Do not use `auto` when the type isn't given on the RHS.

https://github.com/llvm/llvm-project/pull/125295