Analyse following RPM build log snippet. Describe contents accurately, without speculation or suggestions for resolution.            
Your analysis must be as concise as possible, while keeping relevant information intact.
Snippet: 
******************** TEST 'MLIR :: Conversion/GPUToNVVM/gpu-to-nvvm-debuginfo.mlir' FAILED ********************
Exit Code: 1

Command Output (stdout):
--
# RUN: at line 1
/builddir/build/BUILD/llvm-21.0.0_pre20250610.g17999f01bbcda4-build/llvm-project-17999f01bbcda4ccdf5146cbecc562c60b2ca86e/llvm/redhat-linux-build/bin/mlir-opt /builddir/build/BUILD/llvm-21.0.0_pre20250610.g17999f01bbcda4-build/llvm-project-17999f01bbcda4ccdf5146cbecc562c60b2ca86e/mlir/test/Conversion/GPUToNVVM/gpu-to-nvvm-debuginfo.mlir -convert-gpu-to-nvvm='has-redux=1' -mlir-print-debuginfo | /builddir/build/BUILD/llvm-21.0.0_pre20250610.g17999f01bbcda4-build/llvm-project-17999f01bbcda4ccdf5146cbecc562c60b2ca86e/llvm/redhat-linux-build/bin/FileCheck /builddir/build/BUILD/llvm-21.0.0_pre20250610.g17999f01bbcda4-build/llvm-project-17999f01bbcda4ccdf5146cbecc562c60b2ca86e/mlir/test/Conversion/GPUToNVVM/gpu-to-nvvm-debuginfo.mlir
# executed command: /builddir/build/BUILD/llvm-21.0.0_pre20250610.g17999f01bbcda4-build/llvm-project-17999f01bbcda4ccdf5146cbecc562c60b2ca86e/llvm/redhat-linux-build/bin/mlir-opt /builddir/build/BUILD/llvm-21.0.0_pre20250610.g17999f01bbcda4-build/llvm-project-17999f01bbcda4ccdf5146cbecc562c60b2ca86e/mlir/test/Conversion/GPUToNVVM/gpu-to-nvvm-debuginfo.mlir -convert-gpu-to-nvvm=has-redux=1 -mlir-print-debuginfo
# executed command: /builddir/build/BUILD/llvm-21.0.0_pre20250610.g17999f01bbcda4-build/llvm-project-17999f01bbcda4ccdf5146cbecc562c60b2ca86e/llvm/redhat-linux-build/bin/FileCheck /builddir/build/BUILD/llvm-21.0.0_pre20250610.g17999f01bbcda4-build/llvm-project-17999f01bbcda4ccdf5146cbecc562c60b2ca86e/mlir/test/Conversion/GPUToNVVM/gpu-to-nvvm-debuginfo.mlir
# .---command stderr------------
# | /builddir/build/BUILD/llvm-21.0.0_pre20250610.g17999f01bbcda4-build/llvm-project-17999f01bbcda4ccdf5146cbecc562c60b2ca86e/mlir/test/Conversion/GPUToNVVM/gpu-to-nvvm-debuginfo.mlir:13:15: error: CHECK-DAG: expected string not found in input
# | // CHECK-DAG: [[LOC:#[a-zA-Z0-9_]+]] = loc("foo.mlir":0:0)
# |               ^
# | <stdin>:1:1: note: scanning from here
# | module {
# | ^
# | <stdin>:3:52: note: possible intended match here
# |  llvm.mlir.global internal constant @printfFormat_0("Hello, world with location\0A\00") {addr_space = 0 : i32}
# |                                                    ^
# | 
# | Input file: <stdin>
# | Check file: /builddir/build/BUILD/llvm-21.0.0_pre20250610.g17999f01bbcda4-build/llvm-project-17999f01bbcda4ccdf5146cbecc562c60b2ca86e/mlir/test/Conversion/GPUToNVVM/gpu-to-nvvm-debuginfo.mlir
# | 
# | -dump-input=help explains the following input dump.
# | 
# | Input was:
# | <<<<<<
# |           1: module { 
# | dag:13'0     X~~~~~~~~ error: no match found
# |           2:  gpu.module @test_module_1 { 
# | dag:13'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |           3:  llvm.mlir.global internal constant @printfFormat_0("Hello, world with location\0A\00") {addr_space = 0 : i32} 
# | dag:13'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | dag:13'1                                                        ?                                                            possible intended match
# |           4:  llvm.func @vprintf(!llvm.ptr, !llvm.ptr) -> i32 
# | dag:13'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |           5:  llvm.func @test_const_printf_with_loc() { 
# | dag:13'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |           6:  %0 = llvm.mlir.addressof @printfFormat_0 : !llvm.ptr 
# | dag:13'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |           7:  %1 = llvm.getelementptr %0[0, 0] : (!llvm.ptr) -> !llvm.ptr, !llvm.array<28 x i8> 
# | dag:13'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |           8:  %2 = llvm.mlir.constant(1 : index) : i64 
# | dag:13'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |           .
# |           .
# |           .
# | >>>>>>
# `-----------------------------
# error: command failed with exit status: 1

--


Answer: This shows the output that was gathered for the execution of test 'TEST 'MLIR :: Conversion/GPUToNVVM/gpu-to-nvvm-debuginfo.mlir' FAILED'. It might contain insights into why the test TEST 'MLIR :: Conversion/GPUToNVVM/gpu-to-nvvm-debuginfo.mlir' FAILED failed.