[clang] [clang] Add noipa attribute (PR #207502)

[Mariya Podchishchaeva via cfe-commits]

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@@ -0,0 +1,28 @@
+// RUN: %clang_cc1 -emit-llvm -x c %s -triple x86_64-unknown-linux-gnu -O1 -o - | FileCheck %s --check-prefix=C
+// RUN: %clang_cc1 -emit-llvm -x c++ %s -triple x86_64-unknown-linux-gnu -std=c++23 -O1 -o - | FileCheck %s --check-prefix=CXX
+
+// C-LABEL: define {{.*}} @with_noipa(
+// C-SAME: ) {{.*}}#[[NOIPA_ATTR:[0-9]+]] {
+__attribute__((noipa)) int with_noipa(int x) {
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Fznamznon wrote:

Can we also check a function with always_inline attribute and make sure it works as intended?

https://github.com/llvm/llvm-project/pull/207502