[clang] [Clang][counted_by] Honor counted_by in __bdos on direct struct access (PR #201161)

[LLVM Continuous Integration via cfe-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `clang-aarch64-quick` running on `linaro-clang-aarch64-quick` while building `clang` at step 5 "ninja check 1".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/65/builds/35549

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 5 (ninja check 1) failure: stage 1 checked (failure)
******************** TEST 'Clang :: CodeGen/attr-counted-by-issue200014.c' FAILED ********************
Exit Code: 1

Command Output (stdout):
--
# RUN: at line 11
/home/tcwg-buildbot/worker/clang-aarch64-quick/stage1/bin/clang -cc1 -internal-isystem /home/tcwg-buildbot/worker/clang-aarch64-quick/stage1/lib/clang/23/include -nostdsysteminc -triple x86_64-unknown-linux-gnu -O0 -Wno-missing-declarations    -disable-O0-optnone -emit-llvm -o - /home/tcwg-buildbot/worker/clang-aarch64-quick/llvm/clang/test/CodeGen/attr-counted-by-issue200014.c    | /home/tcwg-buildbot/worker/clang-aarch64-quick/stage1/bin/opt -S -passes=mem2reg,sroa | /home/tcwg-buildbot/worker/clang-aarch64-quick/stage1/bin/FileCheck /home/tcwg-buildbot/worker/clang-aarch64-quick/llvm/clang/test/CodeGen/attr-counted-by-issue200014.c --check-prefix=FRONTEND
# executed command: /home/tcwg-buildbot/worker/clang-aarch64-quick/stage1/bin/clang -cc1 -internal-isystem /home/tcwg-buildbot/worker/clang-aarch64-quick/stage1/lib/clang/23/include -nostdsysteminc -triple x86_64-unknown-linux-gnu -O0 -Wno-missing-declarations -disable-O0-optnone -emit-llvm -o - /home/tcwg-buildbot/worker/clang-aarch64-quick/llvm/clang/test/CodeGen/attr-counted-by-issue200014.c
# executed command: /home/tcwg-buildbot/worker/clang-aarch64-quick/stage1/bin/opt -S -passes=mem2reg,sroa
# .---command stderr------------
# | /home/tcwg-buildbot/worker/clang-aarch64-quick/stage1/bin/opt: WARNING: failed to create target machine for 'x86_64-unknown-linux-gnu': unable to get target for 'x86_64-unknown-linux-gnu', see --version and --triple.
# `-----------------------------
# executed command: /home/tcwg-buildbot/worker/clang-aarch64-quick/stage1/bin/FileCheck /home/tcwg-buildbot/worker/clang-aarch64-quick/llvm/clang/test/CodeGen/attr-counted-by-issue200014.c --check-prefix=FRONTEND
# RUN: at line 14
/home/tcwg-buildbot/worker/clang-aarch64-quick/stage1/bin/clang -cc1 -internal-isystem /home/tcwg-buildbot/worker/clang-aarch64-quick/stage1/lib/clang/23/include -nostdsysteminc -triple x86_64-unknown-linux-gnu -O0 -Wno-missing-declarations    -fexperimental-new-constant-interpreter -disable-O0-optnone    -emit-llvm -o - /home/tcwg-buildbot/worker/clang-aarch64-quick/llvm/clang/test/CodeGen/attr-counted-by-issue200014.c    | /home/tcwg-buildbot/worker/clang-aarch64-quick/stage1/bin/opt -S -passes=mem2reg,sroa | /home/tcwg-buildbot/worker/clang-aarch64-quick/stage1/bin/FileCheck /home/tcwg-buildbot/worker/clang-aarch64-quick/llvm/clang/test/CodeGen/attr-counted-by-issue200014.c --check-prefix=FRONTEND
# executed command: /home/tcwg-buildbot/worker/clang-aarch64-quick/stage1/bin/clang -cc1 -internal-isystem /home/tcwg-buildbot/worker/clang-aarch64-quick/stage1/lib/clang/23/include -nostdsysteminc -triple x86_64-unknown-linux-gnu -O0 -Wno-missing-declarations -fexperimental-new-constant-interpreter -disable-O0-optnone -emit-llvm -o - /home/tcwg-buildbot/worker/clang-aarch64-quick/llvm/clang/test/CodeGen/attr-counted-by-issue200014.c
# executed command: /home/tcwg-buildbot/worker/clang-aarch64-quick/stage1/bin/opt -S -passes=mem2reg,sroa
# .---command stderr------------
# | /home/tcwg-buildbot/worker/clang-aarch64-quick/stage1/bin/opt: WARNING: failed to create target machine for 'x86_64-unknown-linux-gnu': unable to get target for 'x86_64-unknown-linux-gnu', see --version and --triple.
# `-----------------------------
# executed command: /home/tcwg-buildbot/worker/clang-aarch64-quick/stage1/bin/FileCheck /home/tcwg-buildbot/worker/clang-aarch64-quick/llvm/clang/test/CodeGen/attr-counted-by-issue200014.c --check-prefix=FRONTEND
# RUN: at line 20
/home/tcwg-buildbot/worker/clang-aarch64-quick/stage1/bin/clang -cc1 -internal-isystem /home/tcwg-buildbot/worker/clang-aarch64-quick/stage1/lib/clang/23/include -nostdsysteminc -triple x86_64-unknown-linux-gnu -O2 -Wno-missing-declarations    -emit-llvm -o - /home/tcwg-buildbot/worker/clang-aarch64-quick/llvm/clang/test/CodeGen/attr-counted-by-issue200014.c | /home/tcwg-buildbot/worker/clang-aarch64-quick/stage1/bin/FileCheck /home/tcwg-buildbot/worker/clang-aarch64-quick/llvm/clang/test/CodeGen/attr-counted-by-issue200014.c --check-prefix=O2
# executed command: /home/tcwg-buildbot/worker/clang-aarch64-quick/stage1/bin/clang -cc1 -internal-isystem /home/tcwg-buildbot/worker/clang-aarch64-quick/stage1/lib/clang/23/include -nostdsysteminc -triple x86_64-unknown-linux-gnu -O2 -Wno-missing-declarations -emit-llvm -o - /home/tcwg-buildbot/worker/clang-aarch64-quick/llvm/clang/test/CodeGen/attr-counted-by-issue200014.c
# executed command: /home/tcwg-buildbot/worker/clang-aarch64-quick/stage1/bin/FileCheck /home/tcwg-buildbot/worker/clang-aarch64-quick/llvm/clang/test/CodeGen/attr-counted-by-issue200014.c --check-prefix=O2
# .---command stderr------------
# | /home/tcwg-buildbot/worker/clang-aarch64-quick/llvm/clang/test/CodeGen/attr-counted-by-issue200014.c:285:13: error: O2-SAME: expected string not found in input
# | // O2-SAME: ptr noundef readonly captures(none) [[P:%.*]]) local_unnamed_addr #[[ATTR4:[0-9]+]] {
# |             ^
# | <stdin>:80:66: note: scanning from here
# | define dso_local range(i64 0, -9223372036854775808) i64 @ptr_fam(ptr nofree noundef readonly captures(none) %p) local_unnamed_addr #4 {
# |                                                                  ^
# | <stdin>:80:73: note: possible intended match here
# | define dso_local range(i64 0, -9223372036854775808) i64 @ptr_fam(ptr nofree noundef readonly captures(none) %p) local_unnamed_addr #4 {
# |                                                                         ^
# | /home/tcwg-buildbot/worker/clang-aarch64-quick/llvm/clang/test/CodeGen/attr-counted-by-issue200014.c:313:82: error: undefined variable: ATTR4
# | // O2-SAME: ptr noundef readonly captures(none) [[P:%.*]]) local_unnamed_addr #[[ATTR4]] {
# |                                                                                  ^
# | <stdin>:88:79: note: possible intended match here
# | define dso_local range(i64 0, -9223372036854775808) i64 @ptr_subscript(ptr nofree noundef readonly captures(none) %p) local_unnamed_addr #4 {
# |                                                                               ^
# | /home/tcwg-buildbot/worker/clang-aarch64-quick/llvm/clang/test/CodeGen/attr-counted-by-issue200014.c:335:13: error: O2-SAME: expected string not found in input
# | // O2-SAME: ptr noundef readnone [[P:%.*]]) local_unnamed_addr #[[ATTR3]] {
# |             ^
# | <stdin>:97:34: note: scanning from here
# | define dso_local i64 @ptr_addrof(ptr nofree noundef readnone %p) local_unnamed_addr #3 {
# |                                  ^
# | <stdin>:97:34: note: with "ATTR3" equal to "3"
# | define dso_local i64 @ptr_addrof(ptr nofree noundef readnone %p) local_unnamed_addr #3 {
# |                                  ^
...

```

</details>

https://github.com/llvm/llvm-project/pull/201161