[flang-commits] [flang] [flang][cuda] Only create shared memory global when needed (PR #132999)

[LLVM Continuous Integration via flang-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `flang-aarch64-libcxx` running on `linaro-flang-aarch64-libcxx` while building `flang` at step 6 "test-build-unified-tree-check-flang".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/89/builds/19482

<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)
...
PASS: Flang :: Analysis/AliasAnalysis/alias-analysis-host-assoc.fir (19 of 3636)
PASS: Flang :: Analysis/AliasAnalysis/alias-analysis-7.fir (20 of 3636)
PASS: Flang :: Analysis/AliasAnalysis/alias-analysis-omp-target-1.fir (21 of 3636)
PASS: Flang :: Analysis/AliasAnalysis/alias-analysis-6.fir (22 of 3636)
PASS: Flang :: Analysis/AliasAnalysis/source-kind.fir (23 of 3636)
PASS: Flang :: Analysis/AliasAnalysis/load-ptr-alloca.fir (24 of 3636)
PASS: Flang :: Driver/debug-parsing-log.f90 (25 of 3636)
PASS: Flang :: Analysis/AliasAnalysis/alias-analysis-8.fir (26 of 3636)
PASS: Flang :: Analysis/AliasAnalysis/modref-call-not-fortran.fir (27 of 3636)
UNRESOLVED: Flang :: Driver/slp-vectorize.ll (28 of 3636)
******************** TEST 'Flang :: Driver/slp-vectorize.ll' FAILED ********************
Test has no 'RUN:' line
********************
PASS: Flang :: Driver/bbc-mlir-pass-pipeline.f90 (29 of 3636)
PASS: Flang :: Driver/debug-measure-parse-tree.f90 (30 of 3636)
PASS: Flang :: Analysis/AliasAnalysis/modref-call-locals.f90 (31 of 3636)
PASS: Flang :: Analysis/AliasAnalysis/modref-call-after-inlining.fir (32 of 3636)
PASS: Flang :: Analysis/AliasAnalysis/alias-analysis-5.fir (33 of 3636)
UNSUPPORTED: Flang :: Driver/target-cpu-features-invalid.f90 (34 of 3636)
PASS: Flang :: Analysis/AliasAnalysis/modref-call-dummies.f90 (35 of 3636)
PASS: Flang :: Analysis/AliasAnalysis/load-ptr-designate.fir (36 of 3636)
UNSUPPORTED: Flang :: Driver/target-gpu-features.f90 (37 of 3636)
PASS: Flang :: Analysis/AliasAnalysis/alias-analysis-omp-target-2.fir (38 of 3636)
PASS: Flang :: Analysis/AliasAnalysis/alias-analysis-omp-teams-distribute-private.mlir (39 of 3636)
PASS: Flang :: Driver/emit-asm-from-mlir.mlir (40 of 3636)
PASS: Flang :: Analysis/AliasAnalysis/alias-analysis-omp-private-allocatable.mlir (41 of 3636)
PASS: Flang :: Driver/emit-llvm.f90 (42 of 3636)
PASS: Flang :: Driver/embed-error.f90 (43 of 3636)
PASS: Flang :: Driver/bbc-cuda-macro.cuf (44 of 3636)
UNSUPPORTED: Flang :: Driver/unsupported-vscale-max-min.f90 (45 of 3636)
PASS: Flang :: Driver/code-gen-aarch64.f90 (46 of 3636)
PASS: Flang :: Analysis/AliasAnalysis/alias-analysis-target.fir (47 of 3636)
PASS: Flang :: Analysis/AliasAnalysis/modref-call-internal-proc.f90 (48 of 3636)
PASS: Flang :: Driver/flang-f-opts.f90 (49 of 3636)
PASS: Flang :: Analysis/AliasAnalysis/modref-call-equivalence.f90 (50 of 3636)
PASS: Flang :: Analysis/AliasAnalysis/modref-call-args.f90 (51 of 3636)
PASS: Flang :: Driver/dump-all.f90 (52 of 3636)
PASS: Flang :: Analysis/AliasAnalysis/modref-call-globals.f90 (53 of 3636)
PASS: Flang :: Driver/plugin-invalid-name.f90 (54 of 3636)
PASS: Flang :: Driver/print-pipeline-passes.f90 (55 of 3636)
PASS: Flang :: Driver/print-effective-triple.f90 (56 of 3636)
PASS: Flang :: Driver/print-resource-dir.F90 (57 of 3636)
PASS: Flang :: Driver/immediate-options.f90 (58 of 3636)
PASS: Flang :: Driver/cuda-option.f90 (59 of 3636)
PASS: Flang :: Driver/frontend-forwarding.f90 (60 of 3636)
PASS: Flang :: Driver/init-only.f90 (61 of 3636)
PASS: Flang :: Driver/debug-provenance.f90 (62 of 3636)
PASS: Flang :: Driver/driver-error-cc1.c (63 of 3636)
PASS: Flang :: Analysis/AliasAnalysis/ptr-component.fir (64 of 3636)

```

</details>

https://github.com/llvm/llvm-project/pull/132999