[Mlir-commits] [llvm] [mlir] [NVPTX] Add support for barrier.cta.red.* instructions (PR #172541)

LLVM Continuous Integration llvmlistbot at llvm.org
Thu Dec 18 19:23:01 PST 2025 

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `llvm-nvptx64-nvidia-ubuntu` running on `as-builder-7` while building `llvm,mlir` at step 6 "test-build-unified-tree-check-llvm".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/160/builds/29999

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

```
Step 6 (test-build-unified-tree-check-llvm) failure: test (failure)
******************** TEST 'LLVM :: CodeGen/NVPTX/barrier.ll' FAILED ********************
Exit Code: 255

Command Output (stdout):
--
# RUN: at line 2
/home/buildbot/worker/as-builder-7/llvm-nvptx64-nvidia-ubuntu/build/bin/llc < /home/buildbot/worker/as-builder-7/llvm-nvptx64-nvidia-ubuntu/llvm-project/llvm/test/CodeGen/NVPTX/barrier.ll -mtriple=nvptx64 -mcpu=sm_30 -mattr=+ptx60 | /home/buildbot/worker/as-builder-7/llvm-nvptx64-nvidia-ubuntu/build/bin/FileCheck /home/buildbot/worker/as-builder-7/llvm-nvptx64-nvidia-ubuntu/llvm-project/llvm/test/CodeGen/NVPTX/barrier.ll
# executed command: /home/buildbot/worker/as-builder-7/llvm-nvptx64-nvidia-ubuntu/build/bin/llc -mtriple=nvptx64 -mcpu=sm_30 -mattr=+ptx60
# executed command: /home/buildbot/worker/as-builder-7/llvm-nvptx64-nvidia-ubuntu/build/bin/FileCheck /home/buildbot/worker/as-builder-7/llvm-nvptx64-nvidia-ubuntu/llvm-project/llvm/test/CodeGen/NVPTX/barrier.ll
# RUN: at line 3
/home/buildbot/worker/as-builder-7/llvm-nvptx64-nvidia-ubuntu/build/bin/llc < /home/buildbot/worker/as-builder-7/llvm-nvptx64-nvidia-ubuntu/llvm-project/llvm/test/CodeGen/NVPTX/barrier.ll -mtriple=nvptx64 -mcpu=sm_30 -mattr=+ptx60 | /usr/local/cuda/bin/ptxas -c -
# executed command: /home/buildbot/worker/as-builder-7/llvm-nvptx64-nvidia-ubuntu/build/bin/llc -mtriple=nvptx64 -mcpu=sm_30 -mattr=+ptx60
# executed command: /usr/local/cuda/bin/ptxas -c -
# .---command stderr------------
# | ptxas /home/buildbot/worker/as-builder-7/llvm-nvptx64-nvidia-ubuntu/build/lit-tmp-fi8fkqgy/tmpxft_003272de_00000000-0_stdin, line 139; error   : Unexpected instruction types specified for 'bar.red'
# | ptxas /home/buildbot/worker/as-builder-7/llvm-nvptx64-nvidia-ubuntu/build/lit-tmp-fi8fkqgy/tmpxft_003272de_00000000-0_stdin, line 140; error   : Unexpected instruction types specified for 'bar.red'
# | ptxas /home/buildbot/worker/as-builder-7/llvm-nvptx64-nvidia-ubuntu/build/lit-tmp-fi8fkqgy/tmpxft_003272de_00000000-0_stdin, line 141; error   : Unexpected instruction types specified for 'barrier.red'
# | ptxas /home/buildbot/worker/as-builder-7/llvm-nvptx64-nvidia-ubuntu/build/lit-tmp-fi8fkqgy/tmpxft_003272de_00000000-0_stdin, line 142; error   : Unexpected instruction types specified for 'barrier.red'
# | ptxas /home/buildbot/worker/as-builder-7/llvm-nvptx64-nvidia-ubuntu/build/lit-tmp-fi8fkqgy/tmpxft_003272de_00000000-0_stdin, line 163; error   : Unexpected instruction types specified for 'bar.red'
# | ptxas /home/buildbot/worker/as-builder-7/llvm-nvptx64-nvidia-ubuntu/build/lit-tmp-fi8fkqgy/tmpxft_003272de_00000000-0_stdin, line 164; error   : Unexpected instruction types specified for 'bar.red'
# | ptxas /home/buildbot/worker/as-builder-7/llvm-nvptx64-nvidia-ubuntu/build/lit-tmp-fi8fkqgy/tmpxft_003272de_00000000-0_stdin, line 165; error   : Unexpected instruction types specified for 'barrier.red'
# | ptxas /home/buildbot/worker/as-builder-7/llvm-nvptx64-nvidia-ubuntu/build/lit-tmp-fi8fkqgy/tmpxft_003272de_00000000-0_stdin, line 166; error   : Unexpected instruction types specified for 'barrier.red'
# | ptxas /home/buildbot/worker/as-builder-7/llvm-nvptx64-nvidia-ubuntu/build/lit-tmp-fi8fkqgy/tmpxft_003272de_00000000-0_stdin, line 167; error   : Unexpected instruction types specified for 'bar.red'
# | ptxas /home/buildbot/worker/as-builder-7/llvm-nvptx64-nvidia-ubuntu/build/lit-tmp-fi8fkqgy/tmpxft_003272de_00000000-0_stdin, line 168; error   : Unexpected instruction types specified for 'bar.red'
# | ptxas /home/buildbot/worker/as-builder-7/llvm-nvptx64-nvidia-ubuntu/build/lit-tmp-fi8fkqgy/tmpxft_003272de_00000000-0_stdin, line 169; error   : Unexpected instruction types specified for 'barrier.red'
# | ptxas /home/buildbot/worker/as-builder-7/llvm-nvptx64-nvidia-ubuntu/build/lit-tmp-fi8fkqgy/tmpxft_003272de_00000000-0_stdin, line 170; error   : Unexpected instruction types specified for 'barrier.red'
# | ptxas /home/buildbot/worker/as-builder-7/llvm-nvptx64-nvidia-ubuntu/build/lit-tmp-fi8fkqgy/tmpxft_003272de_00000000-0_stdin, line 189; error   : Unexpected instruction types specified for 'bar.red'
# | ptxas /home/buildbot/worker/as-builder-7/llvm-nvptx64-nvidia-ubuntu/build/lit-tmp-fi8fkqgy/tmpxft_003272de_00000000-0_stdin, line 190; error   : Unexpected instruction types specified for 'bar.red'
# | ptxas /home/buildbot/worker/as-builder-7/llvm-nvptx64-nvidia-ubuntu/build/lit-tmp-fi8fkqgy/tmpxft_003272de_00000000-0_stdin, line 191; error   : Unexpected instruction types specified for 'barrier.red'
# | ptxas /home/buildbot/worker/as-builder-7/llvm-nvptx64-nvidia-ubuntu/build/lit-tmp-fi8fkqgy/tmpxft_003272de_00000000-0_stdin, line 192; error   : Unexpected instruction types specified for 'barrier.red'
# | ptxas /home/buildbot/worker/as-builder-7/llvm-nvptx64-nvidia-ubuntu/build/lit-tmp-fi8fkqgy/tmpxft_003272de_00000000-0_stdin, line 213; error   : Unexpected instruction types specified for 'bar.red'
# | ptxas /home/buildbot/worker/as-builder-7/llvm-nvptx64-nvidia-ubuntu/build/lit-tmp-fi8fkqgy/tmpxft_003272de_00000000-0_stdin, line 214; error   : Unexpected instruction types specified for 'bar.red'
# | ptxas /home/buildbot/worker/as-builder-7/llvm-nvptx64-nvidia-ubuntu/build/lit-tmp-fi8fkqgy/tmpxft_003272de_00000000-0_stdin, line 215; error   : Unexpected instruction types specified for 'barrier.red'
# | ptxas /home/buildbot/worker/as-builder-7/llvm-nvptx64-nvidia-ubuntu/build/lit-tmp-fi8fkqgy/tmpxft_003272de_00000000-0_stdin, line 216; error   : Unexpected instruction types specified for 'barrier.red'
# | ptxas /home/buildbot/worker/as-builder-7/llvm-nvptx64-nvidia-ubuntu/build/lit-tmp-fi8fkqgy/tmpxft_003272de_00000000-0_stdin, line 217; error   : Unexpected instruction types specified for 'bar.red'
# | ptxas /home/buildbot/worker/as-builder-7/llvm-nvptx64-nvidia-ubuntu/build/lit-tmp-fi8fkqgy/tmpxft_003272de_00000000-0_stdin, line 218; error   : Unexpected instruction types specified for 'bar.red'
# | ptxas /home/buildbot/worker/as-builder-7/llvm-nvptx64-nvidia-ubuntu/build/lit-tmp-fi8fkqgy/tmpxft_003272de_00000000-0_stdin, line 219; error   : Unexpected instruction types specified for 'barrier.red'
# | ptxas /home/buildbot/worker/as-builder-7/llvm-nvptx64-nvidia-ubuntu/build/lit-tmp-fi8fkqgy/tmpxft_003272de_00000000-0_stdin, line 220; error   : Unexpected instruction types specified for 'barrier.red'
# | ptxas /home/buildbot/worker/as-builder-7/llvm-nvptx64-nvidia-ubuntu/build/lit-tmp-fi8fkqgy/tmpxft_003272de_00000000-0_stdin, line 239; error   : Unexpected instruction types specified for 'bar.red'
# | ptxas /home/buildbot/worker/as-builder-7/llvm-nvptx64-nvidia-ubuntu/build/lit-tmp-fi8fkqgy/tmpxft_003272de_00000000-0_stdin, line 240; error   : Unexpected instruction types specified for 'bar.red'
# | ptxas /home/buildbot/worker/as-builder-7/llvm-nvptx64-nvidia-ubuntu/build/lit-tmp-fi8fkqgy/tmpxft_003272de_00000000-0_stdin, line 241; error   : Unexpected instruction types specified for 'barrier.red'
# | ptxas /home/buildbot/worker/as-builder-7/llvm-nvptx64-nvidia-ubuntu/build/lit-tmp-fi8fkqgy/tmpxft_003272de_00000000-0_stdin, line 242; error   : Unexpected instruction types specified for 'barrier.red'
# | ptxas /home/buildbot/worker/as-builder-7/llvm-nvptx64-nvidia-ubuntu/build/lit-tmp-fi8fkqgy/tmpxft_003272de_00000000-0_stdin, line 263; error   : Unexpected instruction types specified for 'bar.red'
# | ptxas /home/buildbot/worker/as-builder-7/llvm-nvptx64-nvidia-ubuntu/build/lit-tmp-fi8fkqgy/tmpxft_003272de_00000000-0_stdin, line 264; error   : Unexpected instruction types specified for 'bar.red'
# | ptxas /home/buildbot/worker/as-builder-7/llvm-nvptx64-nvidia-ubuntu/build/lit-tmp-fi8fkqgy/tmpxft_003272de_00000000-0_stdin, line 265; error   : Unexpected instruction types specified for 'barrier.red'
# | ptxas /home/buildbot/worker/as-builder-7/llvm-nvptx64-nvidia-ubuntu/build/lit-tmp-fi8fkqgy/tmpxft_003272de_00000000-0_stdin, line 266; error   : Unexpected instruction types specified for 'barrier.red'
# | ptxas /home/buildbot/worker/as-builder-7/llvm-nvptx64-nvidia-ubuntu/build/lit-tmp-fi8fkqgy/tmpxft_003272de_00000000-0_stdin, line 267; error   : Unexpected instruction types specified for 'bar.red'
# | ptxas /home/buildbot/worker/as-builder-7/llvm-nvptx64-nvidia-ubuntu/build/lit-tmp-fi8fkqgy/tmpxft_003272de_00000000-0_stdin, line 268; error   : Unexpected instruction types specified for 'bar.red'
# | ptxas /home/buildbot/worker/as-builder-7/llvm-nvptx64-nvidia-ubuntu/build/lit-tmp-fi8fkqgy/tmpxft_003272de_00000000-0_stdin, line 269; error   : Unexpected instruction types specified for 'barrier.red'
# | ptxas /home/buildbot/worker/as-builder-7/llvm-nvptx64-nvidia-ubuntu/build/lit-tmp-fi8fkqgy/tmpxft_003272de_00000000-0_stdin, line 270; error   : Unexpected instruction types specified for 'barrier.red'
...

```

</details>

https://github.com/llvm/llvm-project/pull/172541

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