llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `ppc64-flang-aix` running 
on `ppc64-flang-aix-test` while building `clang,flang` at step 6 
"test-build-unified-tree-check-flang".

Full details are available at: 
https://lab.llvm.org/buildbot/#/builders/201/builds/1461

<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 :: HLFIR/unroll-loops.fir' FAILED 
********************
Exit Code: 1

Command Output (stderr):
--
RUN: at line 1: 
/home/llvm/llvm-external-buildbots/workers/ppc64-flang-aix-test/ppc64-flang-aix-build/build/bin/flang
 -fc1 -emit-llvm -O1 -funroll-loops -mllvm -force-vector-width=2 -o- 
/home/llvm/llvm-external-buildbots/workers/ppc64-flang-aix-test/ppc64-flang-aix-build/llvm-project/flang/test/HLFIR/unroll-loops.fir
 | 
/home/llvm/llvm-external-buildbots/workers/ppc64-flang-aix-test/ppc64-flang-aix-build/build/bin/FileCheck
 
/home/llvm/llvm-external-buildbots/workers/ppc64-flang-aix-test/ppc64-flang-aix-build/llvm-project/flang/test/HLFIR/unroll-loops.fir
 --check-prefixes=CHECK,UNROLL
+ 
/home/llvm/llvm-external-buildbots/workers/ppc64-flang-aix-test/ppc64-flang-aix-build/build/bin/flang
 -fc1 -emit-llvm -O1 -funroll-loops -mllvm -force-vector-width=2 -o- 
/home/llvm/llvm-external-buildbots/workers/ppc64-flang-aix-test/ppc64-flang-aix-build/llvm-project/flang/test/HLFIR/unroll-loops.fir
+ 
/home/llvm/llvm-external-buildbots/workers/ppc64-flang-aix-test/ppc64-flang-aix-build/build/bin/FileCheck
 
/home/llvm/llvm-external-buildbots/workers/ppc64-flang-aix-test/ppc64-flang-aix-build/llvm-project/flang/test/HLFIR/unroll-loops.fir
 --check-prefixes=CHECK,UNROLL
warning: overriding the module target triple with powerpc64-ibm-aix7.2.0.0 
[-Woverride-module]
/home/llvm/llvm-external-buildbots/workers/ppc64-flang-aix-test/ppc64-flang-aix-build/llvm-project/flang/test/HLFIR/unroll-loops.fir:25:18:
 error: UNROLL-NEXT: is not on the line after the previous match
 // UNROLL-NEXT: %[[VIND1:.*]] = add <2 x i64> %[[VIND]], splat (i64 2)
                 ^
<stdin>:20:2: note: 'next' match was here
 %vec.ind.next = add <2 x i64> %vec.ind, splat (i64 2)
 ^
<stdin>:17:92: note: previous match ended here
 %vec.ind = phi <2 x i64> [ <i64 1, i64 2>, %vector.ph ], [ %vec.ind.next.4, 
%vector.body ]
                                                                                
           ^
<stdin>:18:1: note: non-matching line after previous match is here
 %1 = getelementptr i64, ptr %0, i64 %index
^

Input file: <stdin>
Check file: 
/home/llvm/llvm-external-buildbots/workers/ppc64-flang-aix-test/ppc64-flang-aix-build/llvm-project/flang/test/HLFIR/unroll-loops.fir

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

Input was:
<<<<<<
         .
         .
         .
        15: vector.body: ; preds = %vector.body, %vector.ph 
        16:  %index = phi i64 [ 0, %vector.ph ], [ %index.next.4, %vector.body 
] 
        17:  %vec.ind = phi <2 x i64> [ <i64 1, i64 2>, %vector.ph ], [ 
%vec.ind.next.4, %vector.body ] 
        18:  %1 = getelementptr i64, ptr %0, i64 %index 
        19:  store <2 x i64> %vec.ind, ptr %1, align 8, !tbaa !1 
        20:  %vec.ind.next = add <2 x i64> %vec.ind, splat (i64 2) 
next:25      !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~  error: 
match on wrong line
        21:  %gep = getelementptr i64, ptr %invariant.gep, i64 %index 
        22:  store <2 x i64> %vec.ind.next, ptr %gep, align 8, !tbaa !1 
        23:  %vec.ind.next.1 = add <2 x i64> %vec.ind, splat (i64 4) 
        24:  %gep2 = getelementptr i64, ptr %invariant.gep1, i64 %index 
        25:  store <2 x i64> %vec.ind.next.1, ptr %gep2, align 8, !tbaa !1 
         .
         .
         .
>>>>>>

--
...

```

</details>

https://github.com/llvm/llvm-project/pull/122906
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