[flang-commits] [flang] [llvm] [mlir] [llvm][mlir][flang][OpenMP] Emit __atomic_load and __atomic_compare_exchange libcalls for complex types in atomic update (PR #92364)

[LLVM Continuous Integration via flang-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `ppc64le-flang-rhel-clang` running on `ppc64le-flang-rhel-test` while building `flang,llvm,mlir` at step 6 "test-build-unified-tree-check-flang".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/157/builds/9369

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

```
Step 6 (test-build-unified-tree-check-flang) failure: test (failure)
******************** TEST 'Flang :: Integration/OpenMP/atomic-update-complex.f90' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
RUN: at line 9: /home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/build/bin/flang-new -fc1 -emit-llvm -fopenmp /home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/llvm-project/flang/test/Integration/OpenMP/atomic-update-complex.f90 -o - | /home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/build/bin/FileCheck /home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/llvm-project/flang/test/Integration/OpenMP/atomic-update-complex.f90
+ /home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/build/bin/flang-new -fc1 -emit-llvm -fopenmp /home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/llvm-project/flang/test/Integration/OpenMP/atomic-update-complex.f90 -o -
+ /home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/build/bin/FileCheck /home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/llvm-project/flang/test/Integration/OpenMP/atomic-update-complex.f90
/home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/llvm-project/flang/test/Integration/OpenMP/atomic-update-complex.f90:11:9: error: CHECK: expected string not found in input
!CHECK: define void @_QQmain() {
        ^
<stdin>:1:1: note: scanning from here
; ModuleID = 'FIRModule'
^
<stdin>:6:1: note: possible intended match here
define void @_QQmain() #0 {
^

Input file: <stdin>
Check file: /home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/llvm-project/flang/test/Integration/OpenMP/atomic-update-complex.f90

-dump-input=help explains the following input dump.

Input was:
<<<<<<
            1: ; ModuleID = 'FIRModule' 
check:11'0     X~~~~~~~~~~~~~~~~~~~~~~~~ error: no match found
            2: source_filename = "FIRModule" 
check:11'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
            3: target datalayout = "e-m:e-Fn32-i64:64-n32:64-S128-v256:256:256-v512:512:512" 
check:11'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
            4: target triple = "powerpc64le-unknown-linux-gnu" 
check:11'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
            5:  
check:11'0     ~
            6: define void @_QQmain() #0 { 
check:11'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
check:11'1     ?                            possible intended match
            7:  %x.new.val = alloca { float, float }, align 8 
check:11'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
            8:  %1 = alloca { float, float }, i64 1, align 8 
check:11'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
            9:  %2 = alloca { float, float }, i64 1, align 8 
check:11'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
           10:  store { float, float } { float 2.000000e+00, float 2.000000e+00 }, ptr %2, align 4 
check:11'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
           11:  br label %entry 
check:11'0     ~~~~~~~~~~~~~~~~~
            .
            .
...

```

</details>

https://github.com/llvm/llvm-project/pull/92364