[clang] [llvm] [X86] Remove AMX-TRANSPOSE (PR #165556)

Fri Oct 31 05:24:10 PDT 2025

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `ml-opt-dev-x86-64` running on `ml-opt-dev-x86-64-b1` while building `clang,llvm` at step 6 "test-build-unified-tree-check-all".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/137/builds/28156

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 6 (test-build-unified-tree-check-all) failure: test (failure)
******************** TEST 'LLVM :: CodeGen/MLRegAlloc/dev-mode-extra-features-logging.ll' FAILED ********************
Exit Code: 1

Command Output (stdout):
--
# RUN: at line 7
/b/ml-opt-dev-x86-64-b1/build/bin/llc -o /dev/null -mtriple=x86_64-linux-unknown -regalloc=greedy    -regalloc-enable-advisor=development    -regalloc-training-log=/b/ml-opt-dev-x86-64-b1/build/test/CodeGen/MLRegAlloc/Output/dev-mode-extra-features-logging.ll.tmp1    -regalloc-enable-development-features < /b/ml-opt-dev-x86-64-b1/llvm-project/llvm/test/CodeGen/MLRegAlloc/Inputs/input.ll
# executed command: /b/ml-opt-dev-x86-64-b1/build/bin/llc -o /dev/null -mtriple=x86_64-linux-unknown -regalloc=greedy -regalloc-enable-advisor=development -regalloc-training-log=/b/ml-opt-dev-x86-64-b1/build/test/CodeGen/MLRegAlloc/Output/dev-mode-extra-features-logging.ll.tmp1 -regalloc-enable-development-features
# RUN: at line 11
"/usr/bin/python3" /b/ml-opt-dev-x86-64-b1/llvm-project/llvm/test/CodeGen/MLRegAlloc/../../../lib/Analysis/models/log_reader.py /b/ml-opt-dev-x86-64-b1/build/test/CodeGen/MLRegAlloc/Output/dev-mode-extra-features-logging.ll.tmp1 > /b/ml-opt-dev-x86-64-b1/build/test/CodeGen/MLRegAlloc/Output/dev-mode-extra-features-logging.ll.tmp1.readable
# executed command: /usr/bin/python3 /b/ml-opt-dev-x86-64-b1/llvm-project/llvm/test/CodeGen/MLRegAlloc/../../../lib/Analysis/models/log_reader.py /b/ml-opt-dev-x86-64-b1/build/test/CodeGen/MLRegAlloc/Output/dev-mode-extra-features-logging.ll.tmp1
# RUN: at line 12
/b/ml-opt-dev-x86-64-b1/build/bin/FileCheck --input-file /b/ml-opt-dev-x86-64-b1/build/test/CodeGen/MLRegAlloc/Output/dev-mode-extra-features-logging.ll.tmp1.readable /b/ml-opt-dev-x86-64-b1/llvm-project/llvm/test/CodeGen/MLRegAlloc/dev-mode-extra-features-logging.ll
# executed command: /b/ml-opt-dev-x86-64-b1/build/bin/FileCheck --input-file /b/ml-opt-dev-x86-64-b1/build/test/CodeGen/MLRegAlloc/Output/dev-mode-extra-features-logging.ll.tmp1.readable /b/ml-opt-dev-x86-64-b1/llvm-project/llvm/test/CodeGen/MLRegAlloc/dev-mode-extra-features-logging.ll
# .---command stderr------------
# | /b/ml-opt-dev-x86-64-b1/llvm-project/llvm/test/CodeGen/MLRegAlloc/dev-mode-extra-features-logging.ll:29:10: error: CHECK: expected string not found in input
# | ; CHECK: instructions: 20,{{([0-9]{4})}},1{{([0-9]{3})}},2{{([0-9]{3})}},{{.*}},0,
# |          ^
# | /b/ml-opt-dev-x86-64-b1/build/test/CodeGen/MLRegAlloc/Output/dev-mode-extra-features-logging.ll.tmp1.readable:1:1: note: scanning from here
# | context: SyFgets
# | ^
# | /b/ml-opt-dev-x86-64-b1/build/test/CodeGen/MLRegAlloc/Output/dev-mode-extra-features-logging.ll.tmp1.readable:24:1: note: possible intended match here
# | instructions: 20,4988,1976,1996,365,4994,1976,1996,365,4994,1976,1996,2130,2130,1312,1976,1996,744,20,368,2560,1141,20,746,1846,2579,2130,2579,2560,2596,2553,4994,1976,1996,365,4994,1976,365,1996,365,2579,2577,2596,365,365,2128,1300,1976,1996,2128,1300,1976,1996,1989,1989,1996,4994,1976,1996,2560,1996,1996,2560,1996,1503,4984,20,1976,1996,2560,1996,1503,4984,20,1976,1996,4994,10,1976,1996,4994,10,1976,1996,10,20,4994,1976,1996,4994,1976,1996,744,368,1141,746,4994,1976,1996,2130,4994,1976,1996,1903,2128,1300,1976,1996,1300,1976,1996,1082,1976,1996,1300,1976,1996,2590,4994,1976,1996,4994,1976,1996,2590,1996,2560,1996,1996,1996,1312,1976,365,2560,1996,1996,1892,1300,1976,2560,1078,1976,365,1996,365,4994,1976,1996,20,744,368,1141,746,4825,2579,2130,365,4994,1976,1996,1892,365,1996,2579,744,20,1141,746,1892,4994,1976,1996,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
# | ^
# | 
# | Input file: /b/ml-opt-dev-x86-64-b1/build/test/CodeGen/MLRegAlloc/Output/dev-mode-extra-features-logging.ll.tmp1.readable
# | Check file: /b/ml-opt-dev-x86-64-b1/llvm-project/llvm/test/CodeGen/MLRegAlloc/dev-mode-extra-features-logging.ll
# | 
# | -dump-input=help explains the following input dump.
# | 
# | Input was:
# | <<<<<<
# |             1: context: SyFgets 
# | check:29'0     X~~~~~~~~~~~~~~~~ error: no match found
# |             2: observation: 0 
# | check:29'0     ~~~~~~~~~~~~~~~
# |             3: mask: 0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1 
# | check:29'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |             4: is_free: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 
# | check:29'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |             5: nr_urgent: 0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0 
# | check:29'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |             6: nr_broken_hints: 0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,1.0 
# | check:29'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |             .
# |             .
# |             .
# |            19: liverange_size: 0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,1.0,0.9647942781448364,0.7939082384109497,0.7907436490058899,0.7401107549667358,0.9173259735107422,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.7436708807945251 
# | check:29'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |            20: use_def_density: 0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.05123833194375038,0.017619721591472626,0.014218696393072605,0.014276761561632156,1.0,0.07275574654340744,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.4243086874485016 
...

```

</details>

https://github.com/llvm/llvm-project/pull/165556