[QC][Vulkan] Feature/StructuredBuffer/inc_counter_array_imm_idx.test fails on Qualcomm under Vulkan #584
Description
The test Feature/StructuredBuffer/inc_counter_array_imm_idx.test fails on Qualcomm under Vulkan regardless of compiler, suggesting a Qualcomm-specific Vulkan driver bug.
╭────┬──────────────────────┬─────────────┬────────────────────────────────┬────────┬─────────────────────────────────────────────────────────╮
│ # │ timestamp │ run-id │ workflow │ status │ test │
├────┼──────────────────────┼─────────────┼────────────────────────────────┼────────┼─────────────────────────────────────────────────────────┤
│ 0 │ 2025-12-04T14:07:38Z │ 19931785142 │ Windows Vulkan QC Clang │ FAIL │ Feature/StructuredBuffer/inc_counter_array_imm_idx.test │
│ 1 │ 2025-12-04T16:02:38Z │ 19935393515 │ Windows Vulkan QC DXC │ FAIL │ Feature/StructuredBuffer/inc_counter_array_imm_idx.test │
│ 2 │ 2025-12-04T12:08:25Z │ 19928434658 │ Windows D3D12 AMD Clang │ PASS │ Feature/StructuredBuffer/inc_counter_array_imm_idx.test │
│ 3 │ 2025-12-04T16:04:50Z │ 19935463445 │ Windows D3D12 Intel Clang │ PASS │ Feature/StructuredBuffer/inc_counter_array_imm_idx.test │
│ 4 │ 2025-12-04T16:05:54Z │ 19935497232 │ Windows D3D12 NVIDIA Clang │ PASS │ Feature/StructuredBuffer/inc_counter_array_imm_idx.test │
│ 5 │ 2025-12-04T16:01:09Z │ 19935345622 │ Windows D3D12 QC Clang │ PASS │ Feature/StructuredBuffer/inc_counter_array_imm_idx.test │
│ 6 │ 2025-12-04T12:04:14Z │ 19928323680 │ Windows D3D12 Warp Clang │ PASS │ Feature/StructuredBuffer/inc_counter_array_imm_idx.test │
│ 7 │ 2025-12-04T16:06:26Z │ 19935513385 │ Windows ARM64 D3D12 Warp Clang │ PASS │ Feature/StructuredBuffer/inc_counter_array_imm_idx.test │
│ 8 │ 2025-12-04T12:01:06Z │ 19928239631 │ Windows D3D12 AMD DXC │ PASS │ Feature/StructuredBuffer/inc_counter_array_imm_idx.test │
│ 9 │ 2025-12-04T17:03:14Z │ 19937217662 │ Windows D3D12 Intel DXC │ PASS │ Feature/StructuredBuffer/inc_counter_array_imm_idx.test │
│ 10 │ 2025-12-04T17:04:57Z │ 19937272941 │ Windows D3D12 NVIDIA DXC │ PASS │ Feature/StructuredBuffer/inc_counter_array_imm_idx.test │
│ 11 │ 2025-12-04T16:08:49Z │ 19935589609 │ Windows D3D12 QC DXC │ PASS │ Feature/StructuredBuffer/inc_counter_array_imm_idx.test │
│ 12 │ 2025-12-04T12:11:50Z │ 19928528293 │ Windows D3D12 Warp DXC │ PASS │ Feature/StructuredBuffer/inc_counter_array_imm_idx.test │
│ 13 │ 2025-12-04T16:01:00Z │ 19935340573 │ Windows ARM64 D3D12 Warp DXC │ PASS │ Feature/StructuredBuffer/inc_counter_array_imm_idx.test │
│ 14 │ 2025-12-04T12:08:49Z │ 19928446512 │ Windows Vulkan AMD Clang │ PASS │ Feature/StructuredBuffer/inc_counter_array_imm_idx.test │
│ 15 │ 2025-12-04T16:05:32Z │ 19935484410 │ Windows Vulkan Intel Clang │ PASS │ Feature/StructuredBuffer/inc_counter_array_imm_idx.test │
│ 16 │ 2025-12-04T16:02:30Z │ 19935388832 │ Windows Vulkan NVIDIA Clang │ PASS │ Feature/StructuredBuffer/inc_counter_array_imm_idx.test │
│ 17 │ 2025-12-04T12:07:48Z │ 19928418585 │ Windows Vulkan AMD DXC │ PASS │ Feature/StructuredBuffer/inc_counter_array_imm_idx.test │
│ 18 │ 2025-12-04T16:02:22Z │ 19935384075 │ Windows Vulkan Intel DXC │ PASS │ Feature/StructuredBuffer/inc_counter_array_imm_idx.test │
│ 19 │ 2025-12-04T16:07:21Z │ 19935543829 │ Windows Vulkan NVIDIA DXC │ PASS │ Feature/StructuredBuffer/inc_counter_array_imm_idx.test │
│ 20 │ 2025-12-04T17:39:10Z │ 19938276342 │ macOS Metal Clang │ XFAIL │ Feature/StructuredBuffer/inc_counter_array_imm_idx.test │
│ 21 │ 2025-12-04T17:39:36Z │ 19938288358 │ macOS Metal DXC │ XFAIL │ Feature/StructuredBuffer/inc_counter_array_imm_idx.test │
╰────┴──────────────────────┴─────────────┴────────────────────────────────┴────────┴─────────────────────────────────────────────────────────╯
Logs: https://github.com/llvm/offload-test-suite/actions/runs/19935393515/job/57158604157#step:12:1445
Both DXC and Clang agree on the same incorrect result under Qualcomm+Vulkan
FAIL: OffloadTest-vk :: Feature/StructuredBuffer/inc_counter_array_imm_idx.test (244 of 297)
******************** TEST 'OffloadTest-vk :: Feature/StructuredBuffer/inc_counter_array_imm_idx.test' FAILED ********************
Exit Code: 1
Command Output (stdout):
--
# RUN: at line 57
c:\users\github\actions-runner\_work\offload-test-suite\offload-test-suite\llvm-project\build\bin\split-file.exe C:\Users\github\actions-runner\_work\offload-test-suite\offload-test-suite\OffloadTest\test\Feature\StructuredBuffer\inc_counter_array_imm_idx.test C:\Users\github\actions-runner\_work\offload-test-suite\offload-test-suite\llvm-project\build\tools\OffloadTest\test\vk\Feature\StructuredBuffer\Output\inc_counter_array_imm_idx.test.tmp
# executed command: 'c:\users\github\actions-runner\_work\offload-test-suite\offload-test-suite\llvm-project\build\bin\split-file.exe' 'C:\Users\github\actions-runner\_work\offload-test-suite\offload-test-suite\OffloadTest\test\Feature\StructuredBuffer\inc_counter_array_imm_idx.test' 'C:\Users\github\actions-runner\_work\offload-test-suite\offload-test-suite\llvm-project\build\tools\OffloadTest\test\vk\Feature\StructuredBuffer\Output\inc_counter_array_imm_idx.test.tmp'
# RUN: at line 58
"C:\Users\github\actions-runner\_work\offload-test-suite\offload-test-suite\DXC\build\bin\dxc.exe" -spirv -fspv-target-env=vulkan1.3 -T cs_6_0 -Fo C:\Users\github\actions-runner\_work\offload-test-suite\offload-test-suite\llvm-project\build\tools\OffloadTest\test\vk\Feature\StructuredBuffer\Output\inc_counter_array_imm_idx.test.tmp.o C:\Users\github\actions-runner\_work\offload-test-suite\offload-test-suite\llvm-project\build\tools\OffloadTest\test\vk\Feature\StructuredBuffer\Output\inc_counter_array_imm_idx.test.tmp/source.hlsl
# executed command: 'C:\Users\github\actions-runner\_work\offload-test-suite\offload-test-suite\DXC\build\bin\dxc.exe' -spirv -fspv-target-env=vulkan1.3 -T cs_6_0 -Fo 'C:\Users\github\actions-runner\_work\offload-test-suite\offload-test-suite\llvm-project\build\tools\OffloadTest\test\vk\Feature\StructuredBuffer\Output\inc_counter_array_imm_idx.test.tmp.o' 'C:\Users\github\actions-runner\_work\offload-test-suite\offload-test-suite\llvm-project\build\tools\OffloadTest\test\vk\Feature\StructuredBuffer\Output\inc_counter_array_imm_idx.test.tmp/source.hlsl'
# RUN: at line 59
c:\users\github\actions-runner\_work\offload-test-suite\offload-test-suite\llvm-project\build\bin\offloader.exe -debug-layer C:\Users\github\actions-runner\_work\offload-test-suite\offload-test-suite\llvm-project\build\tools\OffloadTest\test\vk\Feature\StructuredBuffer\Output\inc_counter_array_imm_idx.test.tmp/pipeline.yaml C:\Users\github\actions-runner\_work\offload-test-suite\offload-test-suite\llvm-project\build\tools\OffloadTest\test\vk\Feature\StructuredBuffer\Output\inc_counter_array_imm_idx.test.tmp.o | c:\users\github\actions-runner\_work\offload-test-suite\offload-test-suite\llvm-project\build\bin\filecheck.exe C:\Users\github\actions-runner\_work\offload-test-suite\offload-test-suite\OffloadTest\test\Feature\StructuredBuffer\inc_counter_array_imm_idx.test
# executed command: 'c:\users\github\actions-runner\_work\offload-test-suite\offload-test-suite\llvm-project\build\bin\offloader.exe' -debug-layer 'C:\Users\github\actions-runner\_work\offload-test-suite\offload-test-suite\llvm-project\build\tools\OffloadTest\test\vk\Feature\StructuredBuffer\Output\inc_counter_array_imm_idx.test.tmp/pipeline.yaml' 'C:\Users\github\actions-runner\_work\offload-test-suite\offload-test-suite\llvm-project\build\tools\OffloadTest\test\vk\Feature\StructuredBuffer\Output\inc_counter_array_imm_idx.test.tmp.o'
# executed command: 'c:\users\github\actions-runner\_work\offload-test-suite\offload-test-suite\llvm-project\build\bin\filecheck.exe' 'C:\Users\github\actions-runner\_work\offload-test-suite\offload-test-suite\OffloadTest\test\Feature\StructuredBuffer\inc_counter_array_imm_idx.test'
# .---command stderr------------
# | C:\Users\github\actions-runner\_work\offload-test-suite\offload-test-suite\OffloadTest\test\Feature\StructuredBuffer\inc_counter_array_imm_idx.test:65:10: error: CHECK: expected string not found in input
# | # CHECK: Counters: [ 4, 8, 12, 16 ]
# | ^
# | <stdin>:31:13: note: scanning from here
# | - Name: Out
# | ^
# | <stdin>:35:2: note: possible intended match here
# | Counters: [ 12, 16, 0, 0 ]
# | ^
# |
# | Input file: <stdin>
# | Check file: C:\Users\github\actions-runner\_work\offload-test-suite\offload-test-suite\OffloadTest\test\Feature\StructuredBuffer\inc_counter_array_imm_idx.test
# |
# | -dump-input=help explains the following input dump.
# |
# | Input was:
# | <<<<<<
# | .
# | .
# | .
# | 26: Entry: main
# | 27: DispatchSize: [ 1, 1, 1 ]
# | 28: RuntimeSettings:
# | 29: DirectX: {}
# | 30: Buffers:
# | 31: - Name: Out
# | check:65'0 X error: no match found
# | 32: Format: Hex32
# | check:65'0 ~~~~~~~~~~~~~~~
# | 33: Stride: 4
# | check:65'0 ~~~~~~~~~~~
# | 34: ArraySize: 4
# | check:65'0 ~~~~~~~~~~~~~~
# | 35: Counters: [ 12, 16, 0, 0 ]
# | check:65'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | check:65'1 ? possible intended match
# | 36: Data:
# | check:65'0 ~~~~~~~
# | 37: - [ 0x0 ]
# | check:65'0 ~~~~~~~~~~~
# | 38: - [ 0x0 ]
# | check:65'0 ~~~~~~~~~~~
# | 39: - [ 0x0 ]
# | check:65'0 ~~~~~~~~~~~
# | 40: - [ 0x0 ]
# | check:65'0 ~~~~~~~~~~~
# | .
# | .
# | .
# | >>>>>>
# `-----------------------------
# error: command failed with exit status: 1