[clang] [CIR] Streamline creation of mlir::IntegerAttrs using mlir::Builder (PR #141830)

[Andy Kaylor via cfe-commits]

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@@ -282,22 +282,15 @@ class CIRGenBuilderTy : public cir::CIRBaseBuilderTy {
 
   cir::LoadOp createLoad(mlir::Location loc, Address addr,
                          bool isVolatile = false) {
-    mlir::IntegerAttr align;
-    uint64_t alignment = addr.getAlignment().getQuantity();
-    if (alignment)
-      align = getI64IntegerAttr(alignment);
+    mlir::IntegerAttr align = getAlignmentAttr(addr.getAlignment());
     return create<cir::LoadOp>(loc, addr.getPointer(), /*isDeref=*/false,
                                align);
   }
 
   cir::StoreOp createStore(mlir::Location loc, mlir::Value val, Address dst,
-                           ::mlir::IntegerAttr align = {}) {
-    if (!align) {
-      uint64_t alignment = dst.getAlignment().getQuantity();
-      if (alignment)
-        align = mlir::IntegerAttr::get(mlir::IntegerType::get(getContext(), 64),
-                                       alignment);
-    }
+                           mlir::IntegerAttr align = {}) {
+    if (!align)
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andykaylor wrote:

This could be further improved by using std::optional for the `align` parameter.

https://github.com/llvm/llvm-project/pull/141830