[Mlir-commits] [mlir] Sub-channel quantized type implementation (PR #120172)

[Michał Górny]

mgorny wrote:

I'm seeing a test regression on 32-bit x86 with this change:

```
FAIL: MLIR :: CAPI/quant.c (38 of 2812)
******************** TEST 'MLIR :: CAPI/quant.c' FAILED ********************
Exit Code: 1

Command Output (stdout):
--
# RUN: at line 10
/var/tmp/portage/llvm-core/mlir-21.0.0.9999/work/mlir_build-abi_x86_32.x86/bin/mlir-capi-quant-test 2>&1 | /usr/lib/llvm/21/bin/FileCheck /var/tmp/portage/llvm-core/mlir-21.0.0.9999/work/mlir/test/CAPI/quant.c
# executed command: /var/tmp/portage/llvm-core/mlir-21.0.0.9999/work/mlir_build-abi_x86_32.x86/bin/mlir-capi-quant-test
# executed command: /usr/lib/llvm/21/bin/FileCheck /var/tmp/portage/llvm-core/mlir-21.0.0.9999/work/mlir/test/CAPI/quant.c
# .---command stderr------------
# | /var/tmp/portage/llvm-core/mlir-21.0.0.9999/work/mlir/test/CAPI/quant.c:270:12: error: CHECK: expected string not found in input
# |  // CHECK: num dims: 2
# |            ^
# | <stdin>:51:28: note: scanning from here
# | is null sub-channel type: 1
# |                            ^
# | <stdin>:52:1: note: possible intended match here
# | num dims: 6292612763541831682
# | ^
# | 
# | Input file: <stdin>
# | Check file: /var/tmp/portage/llvm-core/mlir-21.0.0.9999/work/mlir/test/CAPI/quant.c
# | 
# | -dump-input=help explains the following input dump.
# | 
# | Input was:
# | <<<<<<
# |              .
# |              .
# |              .
# |             46: equal: 1 
# |             47: !quant.uniform<i8:f32:1, {2.000000e+02,9.987200e-01:120}> 
# |             48:  
# |             49:  
# |             50: testUniformSubChannelType 
# |             51: is null sub-channel type: 1 
# | check:270'0                                X error: no match found
# |             52: num dims: 6292612763541831682 
# | check:270'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | check:270'1     ?                              possible intended match
# |             53: axis-block-size-pair[0]: 0:1 
# | check:270'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |             54: axis-block-size-pair[1]: 1:2 
# | check:270'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |             55: tensor<2x2xf32> 
# | check:270'0     ~~~~~~~~~~~~~~~~
# |             56: tensor<2x2xi8> 
# | check:270'0     ~~~~~~~~~~~~~~~
# |             57: number of quantization parameters: 4 
# | check:270'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |              .
# |              .
# |              .
# | >>>>>>
# `-----------------------------
# error: command failed with exit status: 1

--

********************
```

https://github.com/llvm/llvm-project/pull/120172