[llvm] [IR] Add elementwise modifier to atomic loads (PR #204556)

[LLVM Continuous Integration via llvm-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `openmp-offload-amdgpu-clang-flang` running on `rocm-worker-hw-01` while building `llvm` at step 3 "annotate".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/67/builds/8845

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

```
Step 3 (annotate) failure: 'python ../llvm.src/offload/ci/openmp-offload-amdgpu-clang-flang.py ...' (failure)
...
PASS: libomptarget :: amdgpu-amd-amdhsa :: offloading/strided_update/strided_update_count_expression.c (767 of 1424)
PASS: libomptarget :: amdgpu-amd-amdhsa :: offloading/small_trip_count_thread_limit.cpp (768 of 1424)
UNSUPPORTED: libomptarget :: amdgpu-amd-amdhsa :: offloading/struct_mapping_with_pointers.cpp (769 of 1424)
PASS: libomptarget :: amdgpu-amd-amdhsa :: offloading/gpupgo/pgo_device_only.c (770 of 1424)
XFAIL: libomptarget :: amdgpu-amd-amdhsa :: offloading/strided_update/strided_update_count_expression_complex.c (771 of 1424)
PASS: libomptarget :: amdgpu-amd-amdhsa :: offloading/strided_update/strided_update_from.c (772 of 1424)
UNSUPPORTED: libomptarget :: amdgpu-amd-amdhsa :: offloading/target_critical_region.cpp (773 of 1424)
PASS: libomptarget :: amdgpu-amd-amdhsa :: offloading/strided_update/strided_update_from_pointer.c (774 of 1424)
UNSUPPORTED: libomptarget :: amdgpu-amd-amdhsa :: offloading/target_map_for_member_data.cpp (775 of 1424)
PASS: libomptarget :: amdgpu-amd-amdhsa :: offloading/gpupgo/pgo_atomic_threads.c (776 of 1424)
FAIL: libomptarget :: amdgpu-amd-amdhsa :: offloading/schedule.c (777 of 1424)
******************** TEST 'libomptarget :: amdgpu-amd-amdhsa :: offloading/schedule.c' FAILED ********************
Exit Code: 1

Command Output (stdout):
--
# RUN: at line 2
/home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/./bin/clang -fopenmp    -I /home/botworker/builds/openmp-offload-amdgpu-clang-flang/llvm.src/offload/test -I /home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/runtimes/runtimes-bins/openmp/runtime/src -L /home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/./lib/x86_64-unknown-linux-gnu -L /home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/./lib/x86_64-unknown-linux-gnu -L /home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/./lib -L /home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/runtimes/runtimes-bins/openmp/runtime/src  -Wl,-rpath,/home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/./lib/x86_64-unknown-linux-gnu -Wl,-rpath,/home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/runtimes/runtimes-bins/openmp/runtime/src -Wl,-rpath,/home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/./lib/x86_64-unknown-linux-gnu -Wl,-rpath,/home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/./lib -Xoffload-linker -L/home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/./lib/amdgpu-amd-amdhsa -Xoffload-linker -L/home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/./lib/clang/24/lib/amdgpu-amd-amdhsa  -fopenmp-targets=amdgpu-amd-amdhsa /home/botworker/builds/openmp-offload-amdgpu-clang-flang/llvm.src/offload/test/offloading/schedule.c -o /home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/runtimes/runtimes-bins/offload/test/amdgpu-amd-amdhsa/offloading/Output/schedule.c.tmp -Xoffload-linker -lompdevice && /home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/runtimes/runtimes-bins/offload/test/amdgpu-amd-amdhsa/offloading/Output/schedule.c.tmp 2>&1 | /home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/./bin/FileCheck /home/botworker/builds/openmp-offload-amdgpu-clang-flang/llvm.src/offload/test/offloading/schedule.c
# executed command: /home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/./bin/clang -fopenmp -I /home/botworker/builds/openmp-offload-amdgpu-clang-flang/llvm.src/offload/test -I /home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/runtimes/runtimes-bins/openmp/runtime/src -L /home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/./lib/x86_64-unknown-linux-gnu -L /home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/./lib/x86_64-unknown-linux-gnu -L /home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/./lib -L /home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/runtimes/runtimes-bins/openmp/runtime/src -Wl,-rpath,/home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/./lib/x86_64-unknown-linux-gnu -Wl,-rpath,/home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/runtimes/runtimes-bins/openmp/runtime/src -Wl,-rpath,/home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/./lib/x86_64-unknown-linux-gnu -Wl,-rpath,/home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/./lib -Xoffload-linker -L/home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/./lib/amdgpu-amd-amdhsa -Xoffload-linker -L/home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/./lib/clang/24/lib/amdgpu-amd-amdhsa -fopenmp-targets=amdgpu-amd-amdhsa /home/botworker/builds/openmp-offload-amdgpu-clang-flang/llvm.src/offload/test/offloading/schedule.c -o /home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/runtimes/runtimes-bins/offload/test/amdgpu-amd-amdhsa/offloading/Output/schedule.c.tmp -Xoffload-linker -lompdevice
# note: command had no output on stdout or stderr
# executed command: /home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/runtimes/runtimes-bins/offload/test/amdgpu-amd-amdhsa/offloading/Output/schedule.c.tmp
# note: command had no output on stdout or stderr
# executed command: /home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/./bin/FileCheck /home/botworker/builds/openmp-offload-amdgpu-clang-flang/llvm.src/offload/test/offloading/schedule.c
# .---command stderr------------
# | /home/botworker/builds/openmp-offload-amdgpu-clang-flang/llvm.src/offload/test/offloading/schedule.c:77:12: error: CHECK: expected string not found in input
# |  // CHECK: test no order OK
# |            ^
# | <stdin>:1:1: note: scanning from here
# | Fail to schedule in order.
# | ^
# | <stdin>:2:1: note: possible intended match here
# | test ordered OK
# | ^
# | 
# | Input file: <stdin>
# | Check file: /home/botworker/builds/openmp-offload-amdgpu-clang-flang/llvm.src/offload/test/offloading/schedule.c
# | 
# | -dump-input=help explains the following input dump.
# | 
# | Input was:
# | <<<<<<
# |             1: Fail to schedule in order. 
# | check:77'0    {                             search range start (exclusive)
# | check:77'1                                  error: no match found in search range
# |             2: test ordered OK 
# | check:77'2     ?                 possible intended match
# | check:77'3                     } search range end (exclusive)
# | >>>>>>
# `-----------------------------
Step 9 (Add check check-offload) failure: Add check check-offload (failure)
...
PASS: libomptarget :: amdgpu-amd-amdhsa :: offloading/strided_update/strided_update_count_expression.c (767 of 1424)
PASS: libomptarget :: amdgpu-amd-amdhsa :: offloading/small_trip_count_thread_limit.cpp (768 of 1424)
UNSUPPORTED: libomptarget :: amdgpu-amd-amdhsa :: offloading/struct_mapping_with_pointers.cpp (769 of 1424)
PASS: libomptarget :: amdgpu-amd-amdhsa :: offloading/gpupgo/pgo_device_only.c (770 of 1424)
XFAIL: libomptarget :: amdgpu-amd-amdhsa :: offloading/strided_update/strided_update_count_expression_complex.c (771 of 1424)
PASS: libomptarget :: amdgpu-amd-amdhsa :: offloading/strided_update/strided_update_from.c (772 of 1424)
UNSUPPORTED: libomptarget :: amdgpu-amd-amdhsa :: offloading/target_critical_region.cpp (773 of 1424)
PASS: libomptarget :: amdgpu-amd-amdhsa :: offloading/strided_update/strided_update_from_pointer.c (774 of 1424)
UNSUPPORTED: libomptarget :: amdgpu-amd-amdhsa :: offloading/target_map_for_member_data.cpp (775 of 1424)
PASS: libomptarget :: amdgpu-amd-amdhsa :: offloading/gpupgo/pgo_atomic_threads.c (776 of 1424)
FAIL: libomptarget :: amdgpu-amd-amdhsa :: offloading/schedule.c (777 of 1424)
******************** TEST 'libomptarget :: amdgpu-amd-amdhsa :: offloading/schedule.c' FAILED ********************
Exit Code: 1

Command Output (stdout):
--
# RUN: at line 2
/home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/./bin/clang -fopenmp    -I /home/botworker/builds/openmp-offload-amdgpu-clang-flang/llvm.src/offload/test -I /home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/runtimes/runtimes-bins/openmp/runtime/src -L /home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/./lib/x86_64-unknown-linux-gnu -L /home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/./lib/x86_64-unknown-linux-gnu -L /home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/./lib -L /home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/runtimes/runtimes-bins/openmp/runtime/src  -Wl,-rpath,/home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/./lib/x86_64-unknown-linux-gnu -Wl,-rpath,/home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/runtimes/runtimes-bins/openmp/runtime/src -Wl,-rpath,/home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/./lib/x86_64-unknown-linux-gnu -Wl,-rpath,/home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/./lib -Xoffload-linker -L/home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/./lib/amdgpu-amd-amdhsa -Xoffload-linker -L/home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/./lib/clang/24/lib/amdgpu-amd-amdhsa  -fopenmp-targets=amdgpu-amd-amdhsa /home/botworker/builds/openmp-offload-amdgpu-clang-flang/llvm.src/offload/test/offloading/schedule.c -o /home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/runtimes/runtimes-bins/offload/test/amdgpu-amd-amdhsa/offloading/Output/schedule.c.tmp -Xoffload-linker -lompdevice && /home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/runtimes/runtimes-bins/offload/test/amdgpu-amd-amdhsa/offloading/Output/schedule.c.tmp 2>&1 | /home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/./bin/FileCheck /home/botworker/builds/openmp-offload-amdgpu-clang-flang/llvm.src/offload/test/offloading/schedule.c
# executed command: /home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/./bin/clang -fopenmp -I /home/botworker/builds/openmp-offload-amdgpu-clang-flang/llvm.src/offload/test -I /home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/runtimes/runtimes-bins/openmp/runtime/src -L /home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/./lib/x86_64-unknown-linux-gnu -L /home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/./lib/x86_64-unknown-linux-gnu -L /home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/./lib -L /home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/runtimes/runtimes-bins/openmp/runtime/src -Wl,-rpath,/home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/./lib/x86_64-unknown-linux-gnu -Wl,-rpath,/home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/runtimes/runtimes-bins/openmp/runtime/src -Wl,-rpath,/home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/./lib/x86_64-unknown-linux-gnu -Wl,-rpath,/home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/./lib -Xoffload-linker -L/home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/./lib/amdgpu-amd-amdhsa -Xoffload-linker -L/home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/./lib/clang/24/lib/amdgpu-amd-amdhsa -fopenmp-targets=amdgpu-amd-amdhsa /home/botworker/builds/openmp-offload-amdgpu-clang-flang/llvm.src/offload/test/offloading/schedule.c -o /home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/runtimes/runtimes-bins/offload/test/amdgpu-amd-amdhsa/offloading/Output/schedule.c.tmp -Xoffload-linker -lompdevice
# note: command had no output on stdout or stderr
# executed command: /home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/runtimes/runtimes-bins/offload/test/amdgpu-amd-amdhsa/offloading/Output/schedule.c.tmp
# note: command had no output on stdout or stderr
# executed command: /home/botworker/builds/openmp-offload-amdgpu-clang-flang/build/llvm.build/./bin/FileCheck /home/botworker/builds/openmp-offload-amdgpu-clang-flang/llvm.src/offload/test/offloading/schedule.c
# .---command stderr------------
# | /home/botworker/builds/openmp-offload-amdgpu-clang-flang/llvm.src/offload/test/offloading/schedule.c:77:12: error: CHECK: expected string not found in input
# |  // CHECK: test no order OK
# |            ^
# | <stdin>:1:1: note: scanning from here
# | Fail to schedule in order.
# | ^
# | <stdin>:2:1: note: possible intended match here
# | test ordered OK
# | ^
# | 
# | Input file: <stdin>
# | Check file: /home/botworker/builds/openmp-offload-amdgpu-clang-flang/llvm.src/offload/test/offloading/schedule.c
# | 
# | -dump-input=help explains the following input dump.
# | 
# | Input was:
# | <<<<<<
# |             1: Fail to schedule in order. 
# | check:77'0    {                             search range start (exclusive)
# | check:77'1                                  error: no match found in search range
# |             2: test ordered OK 
# | check:77'2     ?                 possible intended match
# | check:77'3                     } search range end (exclusive)
# | >>>>>>
# `-----------------------------

```

</details>

https://github.com/llvm/llvm-project/pull/204556