[Mlir-commits] [mlir] [mlir][OpenMP] Don't allow firstprivate for simd (PR #146734)

[LLVM Continuous Integration]

llvm-ci wrote:

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

Full details are available at: https://lab.llvm.org/buildbot/#/builders/157/builds/32743

<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 :: Fir/convert-nontemporal-to-llvm.fir' FAILED ********************
Exit Code: 2

Command Output (stderr):
--
fir-opt --fir-to-llvm-ir /home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/llvm-project/flang/test/Fir/convert-nontemporal-to-llvm.fir | /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/Fir/convert-nontemporal-to-llvm.fir --check-prefixes=CHECK-LABEL,CHECK # RUN: at line 2
+ fir-opt --fir-to-llvm-ir /home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/llvm-project/flang/test/Fir/convert-nontemporal-to-llvm.fir
+ /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/Fir/convert-nontemporal-to-llvm.fir --check-prefixes=CHECK-LABEL,CHECK
/home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/llvm-project/flang/test/Fir/convert-nontemporal-to-llvm.fir:36:5: error: Cannot find privatizer '@_QFtestEi_private_i32'
    omp.simd nontemporal(%0, %2 : !fir.ref<i32>, !fir.ref<i32>) private(@_QFtestEi_private_i32 %3 -> %arg0 : !fir.ref<i32>) {
    ^
/home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/llvm-project/flang/test/Fir/convert-nontemporal-to-llvm.fir:36:5: note: see current operation: 
"omp.simd"(%1, %3, %4) <{operandSegmentSizes = array<i32: 0, 0, 0, 0, 2, 1, 0>, private_syms = [@_QFtestEi_private_i32]}> ({
^bb0(%arg0: !fir.ref<i32>):
  "omp.loop_nest"(%0, %6, %0) <{loop_inclusive}> ({
  ^bb0(%arg1: i32):
    "fir.store"(%arg1, %arg0) : (i32, !fir.ref<i32>) -> ()
    %7 = "fir.load"(%1) <{nontemporal}> : (!fir.ref<i32>) -> i32
    %8 = "fir.load"(%2) : (!fir.ref<i32>) -> i32
    %9 = "arith.addi"(%7, %8) <{overflowFlags = #arith.overflow<none>}> : (i32, i32) -> i32
    "fir.store"(%9, %3) <{nontemporal}> : (i32, !fir.ref<i32>) -> ()
    "omp.yield"() : () -> ()
  }) : (i32, i32, i32) -> ()
}) : (!fir.ref<i32>, !fir.ref<i32>, !fir.ref<i32>) -> ()
/home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/llvm-project/flang/test/Fir/convert-nontemporal-to-llvm.fir:94:5: error: Cannot find privatizer '@_QFsimd_nontemporal_allocatableEi_private_i32'
    omp.simd nontemporal(%arg0 : !fir.ref<!fir.box<!fir.heap<!fir.array<?xi32>>>>) private(@_QFsimd_nontemporal_allocatableEi_private_i32 %0 -> %arg2 : !fir.ref<i32>) {
    ^
/home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/llvm-project/flang/test/Fir/convert-nontemporal-to-llvm.fir:94:5: note: see current operation: 
"omp.simd"(%arg0, %4) <{operandSegmentSizes = array<i32: 0, 0, 0, 0, 1, 1, 0>, private_syms = [@_QFsimd_nontemporal_allocatableEi_private_i32]}> ({
^bb0(%arg2: !fir.ref<i32>):
  "omp.loop_nest"(%1, %3, %1) <{loop_inclusive}> ({
  ^bb0(%arg3: i32):
    "fir.store"(%arg3, %arg2) : (i32, !fir.ref<i32>) -> ()
    %7 = "fir.load"(%arg0) : (!fir.ref<!fir.box<!fir.heap<!fir.array<?xi32>>>>) -> !fir.box<!fir.heap<!fir.array<?xi32>>>
    %8 = "fir.load"(%arg2) : (!fir.ref<i32>) -> i32
    %9 = "fir.convert"(%8) : (i32) -> i64
    %10 = "fir.box_addr"(%7) : (!fir.box<!fir.heap<!fir.array<?xi32>>>) -> !fir.heap<!fir.array<?xi32>>
    %11:3 = "fir.box_dims"(%7, %2) : (!fir.box<!fir.heap<!fir.array<?xi32>>>, index) -> (index, index, index)
    %12 = "fircg.ext_array_coor"(%10, %11#1, %11#0, %9) <{operandSegmentSizes = array<i32: 1, 1, 1, 0, 0, 1, 0>}> : (!fir.heap<!fir.array<?xi32>>, index, index, i64) -> !fir.ref<i32>
    %13 = "fir.load"(%12) <{nontemporal}> : (!fir.ref<i32>) -> i32
    %14 = "fir.load"(%arg1) : (!fir.ref<i32>) -> i32
    %15 = "arith.addi"(%13, %14) <{overflowFlags = #arith.overflow<none>}> : (i32, i32) -> i32
    "fir.store"(%15, %12) <{nontemporal}> : (i32, !fir.ref<i32>) -> ()
    "omp.yield"() : () -> ()
  }) : (i32, i32, i32) -> ()
}) : (!fir.ref<!fir.box<!fir.heap<!fir.array<?xi32>>>>, !fir.ref<i32>) -> ()
FileCheck error: '<stdin>' is empty.
FileCheck command line:  /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/Fir/convert-nontemporal-to-llvm.fir --check-prefixes=CHECK-LABEL,CHECK

--
...

```

</details>

https://github.com/llvm/llvm-project/pull/146734