[llvm] [AMDGPU][LTO] Assume closed world after linking (PR #105845)

LLVM Continuous Integration via llvm-commits llvm-commits at lists.llvm.org
Sun Aug 25 11:17:50 PDT 2024


llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `clang-armv8-quick` running on `linaro-clang-armv8-quick` while building `llvm` at step 5 "ninja check 1".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/154/builds/3288

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>
```
Step 5 (ninja check 1) failure: stage 1 checked (failure)
******************** TEST 'LLVM :: LTO/AMDGPU/gpu-rdc-amdgpu-attrs.ll' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
RUN: at line 1: /home/tcwg-buildbot/worker/clang-armv8-quick/stage1/bin/opt -O3 -debug-only=amdgpu-attributor -S -o - /home/tcwg-buildbot/worker/clang-armv8-quick/llvm/llvm/test/LTO/AMDGPU/gpu-rdc-amdgpu-attrs.ll 2>&1 | /home/tcwg-buildbot/worker/clang-armv8-quick/stage1/bin/FileCheck /home/tcwg-buildbot/worker/clang-armv8-quick/llvm/llvm/test/LTO/AMDGPU/gpu-rdc-amdgpu-attrs.ll --check-prefix=PRE-LINK
+ /home/tcwg-buildbot/worker/clang-armv8-quick/stage1/bin/opt -O3 -debug-only=amdgpu-attributor -S -o - /home/tcwg-buildbot/worker/clang-armv8-quick/llvm/llvm/test/LTO/AMDGPU/gpu-rdc-amdgpu-attrs.ll
+ /home/tcwg-buildbot/worker/clang-armv8-quick/stage1/bin/FileCheck /home/tcwg-buildbot/worker/clang-armv8-quick/llvm/llvm/test/LTO/AMDGPU/gpu-rdc-amdgpu-attrs.ll --check-prefix=PRE-LINK
/home/tcwg-buildbot/worker/clang-armv8-quick/llvm/llvm/test/LTO/AMDGPU/gpu-rdc-amdgpu-attrs.ll:6:13: error: PRE-LINK: expected string not found in input
; PRE-LINK: Module {{.*}} is not assumed to be a closed world.
            ^
<stdin>:1:1: note: scanning from here
/home/tcwg-buildbot/worker/clang-armv8-quick/stage1/bin/opt: warning: failed to infer data layout: unable to get target for 'amdgcn-amd-amdhsa', see --version and --triple.
^
<stdin>:1:78: note: possible intended match here
/home/tcwg-buildbot/worker/clang-armv8-quick/stage1/bin/opt: warning: failed to infer data layout: unable to get target for 'amdgcn-amd-amdhsa', see --version and --triple.
                                                                             ^

Input file: <stdin>
Check file: /home/tcwg-buildbot/worker/clang-armv8-quick/llvm/llvm/test/LTO/AMDGPU/gpu-rdc-amdgpu-attrs.ll

-dump-input=help explains the following input dump.

Input was:
<<<<<<
           1: /home/tcwg-buildbot/worker/clang-armv8-quick/stage1/bin/opt: warning: failed to infer data layout: unable to get target for 'amdgcn-amd-amdhsa', see --version and --triple. 
check:6'0     X~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ error: no match found
check:6'1                                                                                  ?                                                                                                possible intended match
           2: /home/tcwg-buildbot/worker/clang-armv8-quick/stage1/bin/opt: WARNING: failed to create target machine for 'amdgcn-amd-amdhsa': unable to get target for 'amdgcn-amd-amdhsa', see --version and --triple. 
check:6'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
           3: ; ModuleID = '/home/tcwg-buildbot/worker/clang-armv8-quick/llvm/llvm/test/LTO/AMDGPU/gpu-rdc-amdgpu-attrs.ll' 
check:6'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
           4: source_filename = "/home/tcwg-buildbot/worker/clang-armv8-quick/llvm/llvm/test/LTO/AMDGPU/gpu-rdc-amdgpu-attrs.ll" 
check:6'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
           5: target triple = "amdgcn-amd-amdhsa" 
check:6'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
           6:  
check:6'0     ~
           .
           .
           .
>>>>>>

--

********************


```
</details>

https://github.com/llvm/llvm-project/pull/105845


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