[llvm] [RISCV] Use named sub-operands to simplify encoding/decoding for CoreV Reg-Reg instructions. (PR #133181)

LLVM Continuous Integration via llvm-commits llvm-commits at lists.llvm.org
Wed Mar 26 20:21:28 PDT 2025 

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `clang-aarch64-sve2-vla` running on `linaro-g4-01` while building `llvm` at step 7 "ninja check 1".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/198/builds/3197

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

```
Step 7 (ninja check 1) failure: stage 1 checked (failure)
******************** TEST 'AddressSanitizer-aarch64-linux-dynamic :: TestCases/Posix/halt_on_error-signals.c' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
/home/tcwg-buildbot/worker/clang-aarch64-sve2-vla/stage1/./bin/clang  -fsanitize=address -mno-omit-leaf-frame-pointer -fno-omit-frame-pointer -fno-optimize-sibling-calls -gline-tables-only   -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta   -shared-libasan -fsanitize-recover=address -pthread /home/tcwg-buildbot/worker/clang-aarch64-sve2-vla/llvm/compiler-rt/test/asan/TestCases/Posix/halt_on_error-signals.c -o /home/tcwg-buildbot/worker/clang-aarch64-sve2-vla/stage1/runtimes/runtimes-bins/compiler-rt/test/asan/AARCH64LinuxDynamicConfig/TestCases/Posix/Output/halt_on_error-signals.c.tmp # RUN: at line 3
+ /home/tcwg-buildbot/worker/clang-aarch64-sve2-vla/stage1/./bin/clang -fsanitize=address -mno-omit-leaf-frame-pointer -fno-omit-frame-pointer -fno-optimize-sibling-calls -gline-tables-only -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta -shared-libasan -fsanitize-recover=address -pthread /home/tcwg-buildbot/worker/clang-aarch64-sve2-vla/llvm/compiler-rt/test/asan/TestCases/Posix/halt_on_error-signals.c -o /home/tcwg-buildbot/worker/clang-aarch64-sve2-vla/stage1/runtimes/runtimes-bins/compiler-rt/test/asan/AARCH64LinuxDynamicConfig/TestCases/Posix/Output/halt_on_error-signals.c.tmp
In file included from /home/tcwg-buildbot/worker/clang-aarch64-sve2-vla/llvm/compiler-rt/test/asan/TestCases/Posix/halt_on_error-signals.c:11:
In file included from /usr/include/stdio.h:27:
In file included from /usr/include/aarch64-linux-gnu/bits/libc-header-start.h:33:
/usr/include/features.h:194:3: warning: "_BSD_SOURCE and _SVID_SOURCE are deprecated, use _DEFAULT_SOURCE" [-W#warnings]
  194 | # warning "_BSD_SOURCE and _SVID_SOURCE are deprecated, use _DEFAULT_SOURCE"
      |   ^
1 warning generated.
env ASAN_OPTIONS=halt_on_error=false:suppress_equal_pcs=false  /home/tcwg-buildbot/worker/clang-aarch64-sve2-vla/stage1/runtimes/runtimes-bins/compiler-rt/test/asan/AARCH64LinuxDynamicConfig/TestCases/Posix/Output/halt_on_error-signals.c.tmp 100 >/home/tcwg-buildbot/worker/clang-aarch64-sve2-vla/stage1/runtimes/runtimes-bins/compiler-rt/test/asan/AARCH64LinuxDynamicConfig/TestCases/Posix/Output/halt_on_error-signals.c.tmp.log 2>&1 || true # RUN: at line 5
+ env ASAN_OPTIONS=halt_on_error=false:suppress_equal_pcs=false /home/tcwg-buildbot/worker/clang-aarch64-sve2-vla/stage1/runtimes/runtimes-bins/compiler-rt/test/asan/AARCH64LinuxDynamicConfig/TestCases/Posix/Output/halt_on_error-signals.c.tmp 100
+ true
FileCheck --check-prefix=CHECK-COLLISION /home/tcwg-buildbot/worker/clang-aarch64-sve2-vla/llvm/compiler-rt/test/asan/TestCases/Posix/halt_on_error-signals.c </home/tcwg-buildbot/worker/clang-aarch64-sve2-vla/stage1/runtimes/runtimes-bins/compiler-rt/test/asan/AARCH64LinuxDynamicConfig/TestCases/Posix/Output/halt_on_error-signals.c.tmp.log || FileCheck --check-prefix=CHECK-NO-COLLISION /home/tcwg-buildbot/worker/clang-aarch64-sve2-vla/llvm/compiler-rt/test/asan/TestCases/Posix/halt_on_error-signals.c </home/tcwg-buildbot/worker/clang-aarch64-sve2-vla/stage1/runtimes/runtimes-bins/compiler-rt/test/asan/AARCH64LinuxDynamicConfig/TestCases/Posix/Output/halt_on_error-signals.c.tmp.log # RUN: at line 7
+ FileCheck --check-prefix=CHECK-COLLISION /home/tcwg-buildbot/worker/clang-aarch64-sve2-vla/llvm/compiler-rt/test/asan/TestCases/Posix/halt_on_error-signals.c
/home/tcwg-buildbot/worker/clang-aarch64-sve2-vla/llvm/compiler-rt/test/asan/TestCases/Posix/halt_on_error-signals.c:29:22: error: CHECK-COLLISION: expected string not found in input
 // CHECK-COLLISION: AddressSanitizer: nested bug in the same thread, aborting
                     ^
<stdin>:1:1: note: scanning from here
=================================================================
^
<stdin>:55:139: note: possible intended match here
/home/tcwg-buildbot/worker/clang-aarch64-sve2-vla/stage1/./bin/llvm-symbolizer: error: 'linux-vdso.so.1': AddressSanitizerNo such file or directory: nested bug in the same thread, aborting.
                                                                                                                                          ^

Input file: <stdin>
Check file: /home/tcwg-buildbot/worker/clang-aarch64-sve2-vla/llvm/compiler-rt/test/asan/TestCases/Posix/halt_on_error-signals.c

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

Input was:
<<<<<<
            1: ================================================================= 
check:29'0     X~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ error: no match found
            2: ==3200573==ERROR: AddressSanitizer: use-after-poison on address 0xbc1fd9a14160 at pc 0xbc1fd9a01c24 bp 0xf80db820e620 sp 0xf80db820e618 
check:29'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
            3: WRITE of size 1 at 0xbc1fd9a14160 thread T1 
check:29'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
            4:  #0 0xbc1fd9a01c20 in error /home/tcwg-buildbot/worker/clang-aarch64-sve2-vla/llvm/compiler-rt/test/asan/TestCases/Posix/halt_on_error-signals.c:32:12 
check:29'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
            5:  #1 0xbc1fd9a01fd0 in receiver /home/tcwg-buildbot/worker/clang-aarch64-sve2-vla/llvm/compiler-rt/test/asan/TestCases/Posix/halt_on_error-signals.c:66:5 
check:29'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
            6:  #2 0xfc0dbbf55d50 in asan_thread_start(void*) /home/tcwg-buildbot/worker/clang-aarch64-sve2-vla/llvm/compiler-rt/lib/asan/asan_interceptors.cpp:239:28 
check:29'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
            .
            .
...

```

</details>

https://github.com/llvm/llvm-project/pull/133181

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