llvm-ci wrote:

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

Full details are available at: 
https://lab.llvm.org/buildbot/#/builders/157/builds/12026

<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 :: Lower/PowerPC/ppc-vec-cmp.f90' FAILED 
********************
Exit Code: 1

Command Output (stderr):
--
RUN: at line 1: 
/home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/build/bin/flang
 -fc1 -flang-experimental-hlfir -emit-llvm 
/home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/llvm-project/flang/test/Lower/PowerPC/ppc-vec-cmp.f90
 -o - | 
/home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/build/bin/FileCheck
 --check-prefixes="LLVMIR" 
/home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/llvm-project/flang/test/Lower/PowerPC/ppc-vec-cmp.f90
+ 
/home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/build/bin/flang
 -fc1 -flang-experimental-hlfir -emit-llvm 
/home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/llvm-project/flang/test/Lower/PowerPC/ppc-vec-cmp.f90
 -o -
+ 
/home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/build/bin/FileCheck
 --check-prefixes=LLVMIR 
/home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/llvm-project/flang/test/Lower/PowerPC/ppc-vec-cmp.f90
/home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/llvm-project/flang/test/Lower/PowerPC/ppc-vec-cmp.f90:17:11:
 error: LLVMIR: expected string not found in input
! LLVMIR: %{{[0-9]+}} = xor <2 x i64> %[[res]], <i64 -1, i64 -1>
          ^
<stdin>:10:76: note: scanning from here
 %6 = call <2 x i64> @llvm.ppc.altivec.vcmpgtsd(<2 x i64> %5, <2 x i64> %4)
                                                                           ^
<stdin>:10:76: note: with "res" equal to "6"
 %6 = call <2 x i64> @llvm.ppc.altivec.vcmpgtsd(<2 x i64> %5, <2 x i64> %4)
                                                                           ^
<stdin>:11:2: note: possible intended match here
 %7 = xor <2 x i64> %6, splat (i64 -1)
 ^

Input file: <stdin>
Check file: 
/home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/llvm-project/flang/test/Lower/PowerPC/ppc-vec-cmp.f90

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

Input was:
<<<<<<
            .
            .
            .
            5:  
            6: define void @vec_cmpge_test_i8_(ptr %0, ptr %1) #0 { 
            7:  %3 = alloca <2 x i64>, i64 1, align 16 
            8:  %4 = load <2 x i64>, ptr %0, align 16 
            9:  %5 = load <2 x i64>, ptr %1, align 16 
           10:  %6 = call <2 x i64> @llvm.ppc.altivec.vcmpgtsd(<2 x i64> %5, <2 
x i64> %4) 
check:17'0                                                                      
          X error: no match found
check:17'1                                                                      
            with "res" equal to "6"
           11:  %7 = xor <2 x i64> %6, splat (i64 -1) 
check:17'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
check:17'2      ?                                      possible intended match
           12:  store <2 x i64> %7, ptr %3, align 16 
check:17'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
           13:  ret void 
check:17'0     ~~~~~~~~~~
           14: } 
check:17'0     ~~
           15:  
check:17'0     ~
...

```

</details>

https://github.com/llvm/llvm-project/pull/112548
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