[clang] [mlir] [CIR] Implement lowering for 'no-builtins' attributes (PR #178899)

[Tobias Gysi via cfe-commits]

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@@ -2719,6 +2719,29 @@ llvm.func @modular_format(%arg : i32) attributes { modular_format = "ident,1,1,f
 
 // -----
 
+// CHECK-LABEL: @no_builtins_all
+// CHECK-SAME: #[[ATTRS:[0-9]+]]
+llvm.func @no_builtins_all(%arg : i32) attributes { nobuiltins = [] } {
+  llvm.return
+}
+
+// CHECK: #[[ATTRS]]
+// CHECK-SAME: no-builtins
+
+// -----
+
+// CHECK-LABEL: @no_builtins_2
+// CHECK-SAME: #[[ATTRS:[0-9]+]]
+llvm.func @no_builtins_2(%arg : i32) attributes { nobuiltins = ["asdf", "defg"] } {
+  llvm.return
+}
+
+// CHECK: #[[ATTRS]]
+// CHECK-SAME: no-builtin-asdf
+// CHECK-SAME: no-builtin-defg
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gysit wrote:

Is there a test for the call builtin export somewhere?

https://github.com/llvm/llvm-project/pull/178899