[llvm] [RISCV] Consistently use RISCVSubtarget::is64Bit() instead of isRV32/isRV64. (PR #223038)

Sat Sep 12 22:56:48 PDT 2026

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `clang-s390x-linux` running on `systemz-1` while building `llvm` at step 5 "ninja check 1".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/42/builds/10659

<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 'libFuzzer-s390x-default-Linux :: fuzzer-timeout.test' FAILED ********************
Exit Code: 1

Command Output (stdout):
--
# RUN: at line 1
/home/buildbot/sandbox/buildbot/clang-s390x-linux/stage1/./bin/clang    -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta   --driver-mode=g++ -O2 -gline-tables-only -fsanitize=address,fuzzer -I/home/buildbot/sandbox/buildbot/clang-s390x-linux/llvm/compiler-rt/lib/fuzzer  /home/buildbot/sandbox/buildbot/clang-s390x-linux/llvm/compiler-rt/test/fuzzer/TimeoutTest.cpp -o /home/buildbot/sandbox/buildbot/clang-s390x-linux/stage1/runtimes/runtimes-bins/compiler-rt/test/fuzzer/S390XDefaultLinuxConfig/Output/fuzzer-timeout.test.tmp-TimeoutTest
# executed command: /home/buildbot/sandbox/buildbot/clang-s390x-linux/stage1/./bin/clang -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta --driver-mode=g++ -O2 -gline-tables-only -fsanitize=address,fuzzer -I/home/buildbot/sandbox/buildbot/clang-s390x-linux/llvm/compiler-rt/lib/fuzzer /home/buildbot/sandbox/buildbot/clang-s390x-linux/llvm/compiler-rt/test/fuzzer/TimeoutTest.cpp -o /home/buildbot/sandbox/buildbot/clang-s390x-linux/stage1/runtimes/runtimes-bins/compiler-rt/test/fuzzer/S390XDefaultLinuxConfig/Output/fuzzer-timeout.test.tmp-TimeoutTest
# RUN: at line 2
/home/buildbot/sandbox/buildbot/clang-s390x-linux/stage1/./bin/clang    -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta   --driver-mode=g++ -O2 -gline-tables-only -fsanitize=address,fuzzer -I/home/buildbot/sandbox/buildbot/clang-s390x-linux/llvm/compiler-rt/lib/fuzzer  /home/buildbot/sandbox/buildbot/clang-s390x-linux/llvm/compiler-rt/test/fuzzer/TimeoutEmptyTest.cpp -o /home/buildbot/sandbox/buildbot/clang-s390x-linux/stage1/runtimes/runtimes-bins/compiler-rt/test/fuzzer/S390XDefaultLinuxConfig/Output/fuzzer-timeout.test.tmp-TimeoutEmptyTest
# executed command: /home/buildbot/sandbox/buildbot/clang-s390x-linux/stage1/./bin/clang -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta --driver-mode=g++ -O2 -gline-tables-only -fsanitize=address,fuzzer -I/home/buildbot/sandbox/buildbot/clang-s390x-linux/llvm/compiler-rt/lib/fuzzer /home/buildbot/sandbox/buildbot/clang-s390x-linux/llvm/compiler-rt/test/fuzzer/TimeoutEmptyTest.cpp -o /home/buildbot/sandbox/buildbot/clang-s390x-linux/stage1/runtimes/runtimes-bins/compiler-rt/test/fuzzer/S390XDefaultLinuxConfig/Output/fuzzer-timeout.test.tmp-TimeoutEmptyTest
# RUN: at line 3
not  /home/buildbot/sandbox/buildbot/clang-s390x-linux/stage1/runtimes/runtimes-bins/compiler-rt/test/fuzzer/S390XDefaultLinuxConfig/Output/fuzzer-timeout.test.tmp-TimeoutTest -timeout=1 2>&1 | FileCheck /home/buildbot/sandbox/buildbot/clang-s390x-linux/llvm/compiler-rt/test/fuzzer/fuzzer-timeout.test --check-prefix=TimeoutTest
# executed command: not /home/buildbot/sandbox/buildbot/clang-s390x-linux/stage1/runtimes/runtimes-bins/compiler-rt/test/fuzzer/S390XDefaultLinuxConfig/Output/fuzzer-timeout.test.tmp-TimeoutTest -timeout=1
# executed command: FileCheck /home/buildbot/sandbox/buildbot/clang-s390x-linux/llvm/compiler-rt/test/fuzzer/fuzzer-timeout.test --check-prefix=TimeoutTest
# RUN: at line 12
not  /home/buildbot/sandbox/buildbot/clang-s390x-linux/stage1/runtimes/runtimes-bins/compiler-rt/test/fuzzer/S390XDefaultLinuxConfig/Output/fuzzer-timeout.test.tmp-TimeoutTest -timeout=1 /home/buildbot/sandbox/buildbot/clang-s390x-linux/llvm/compiler-rt/test/fuzzer/hi.txt 2>&1 | FileCheck /home/buildbot/sandbox/buildbot/clang-s390x-linux/llvm/compiler-rt/test/fuzzer/fuzzer-timeout.test --check-prefix=SingleInputTimeoutTest
# executed command: not /home/buildbot/sandbox/buildbot/clang-s390x-linux/stage1/runtimes/runtimes-bins/compiler-rt/test/fuzzer/S390XDefaultLinuxConfig/Output/fuzzer-timeout.test.tmp-TimeoutTest -timeout=1 /home/buildbot/sandbox/buildbot/clang-s390x-linux/llvm/compiler-rt/test/fuzzer/hi.txt
# executed command: FileCheck /home/buildbot/sandbox/buildbot/clang-s390x-linux/llvm/compiler-rt/test/fuzzer/fuzzer-timeout.test --check-prefix=SingleInputTimeoutTest
# RUN: at line 16
/home/buildbot/sandbox/buildbot/clang-s390x-linux/stage1/runtimes/runtimes-bins/compiler-rt/test/fuzzer/S390XDefaultLinuxConfig/Output/fuzzer-timeout.test.tmp-TimeoutTest -timeout=1 -timeout_exitcode=0
# executed command: /home/buildbot/sandbox/buildbot/clang-s390x-linux/stage1/runtimes/runtimes-bins/compiler-rt/test/fuzzer/S390XDefaultLinuxConfig/Output/fuzzer-timeout.test.tmp-TimeoutTest -timeout=1 -timeout_exitcode=0
# .---command stderr------------
# | INFO: Running with entropic power schedule (0xFF, 100).
# | INFO: Seed: 914494937
# | INFO: Loaded 1 modules   (12 inline 8-bit counters): 12 [0x2aa276c7e98, 0x2aa276c7ea4), 
# | INFO: Loaded 1 PC tables (12 PCs): 12 [0x2aa276c7ea8,0x2aa276c7f68), 
# | INFO: -max_len is not provided; libFuzzer will not generate inputs larger than 4096 bytes
# | INFO: A corpus is not provided, starting from an empty corpus
# | #2	INITED cov: 2 ft: 2 corp: 1/1B exec/s: 0 rss: 112MB
# | #674	NEW    cov: 3 ft: 3 corp: 2/3B lim: 8 exec/s: 0 rss: 112MB L: 2/2 MS: 2 ShuffleBytes-InsertByte-
# | #711	NEW    cov: 4 ft: 4 corp: 3/4B lim: 8 exec/s: 0 rss: 112MB L: 1/2 MS: 2 ChangeByte-CrossOver-
# | #16810	NEW    cov: 5 ft: 5 corp: 4/6B lim: 163 exec/s: 0 rss: 112MB L: 2/2 MS: 4 ChangeBit-ChangeBit-ChangeByte-CrossOver-
# | #16866	NEW    cov: 6 ft: 6 corp: 5/94B lim: 163 exec/s: 0 rss: 112MB L: 88/88 MS: 1 InsertRepeatedBytes-
# | #17012	REDUCE cov: 6 ft: 6 corp: 5/69B lim: 163 exec/s: 0 rss: 112MB L: 63/63 MS: 1 EraseBytes-
# | #17018	REDUCE cov: 6 ft: 6 corp: 5/39B lim: 163 exec/s: 0 rss: 112MB L: 33/33 MS: 1 CrossOver-
# | #17056	REDUCE cov: 6 ft: 6 corp: 5/31B lim: 163 exec/s: 0 rss: 112MB L: 25/25 MS: 3 CrossOver-CopyPart-EraseBytes-
# | #17105	REDUCE cov: 6 ft: 6 corp: 5/23B lim: 163 exec/s: 0 rss: 112MB L: 17/17 MS: 4 ChangeBinInt-CopyPart-ChangeBit-EraseBytes-
# | #17119	REDUCE cov: 6 ft: 6 corp: 5/22B lim: 163 exec/s: 0 rss: 112MB L: 16/16 MS: 4 InsertByte-ShuffleBytes-CrossOver-EraseBytes-
# | #17227	REDUCE cov: 6 ft: 6 corp: 5/16B lim: 163 exec/s: 0 rss: 112MB L: 10/10 MS: 3 ChangeBinInt-ChangeBit-EraseBytes-
# | #17249	REDUCE cov: 6 ft: 6 corp: 5/14B lim: 163 exec/s: 0 rss: 112MB L: 8/8 MS: 2 ChangeBit-EraseBytes-
# | #17695	REDUCE cov: 6 ft: 6 corp: 5/12B lim: 163 exec/s: 0 rss: 112MB L: 6/6 MS: 1 EraseBytes-
# | #17821	REDUCE cov: 6 ft: 6 corp: 5/9B lim: 163 exec/s: 0 rss: 112MB L: 3/3 MS: 1 EraseBytes-
# | ALARM: working on the last Unit for 1 seconds
# |        and the timeout value is 1 (use -timeout=N to change)
# | MS: 2 InsertByte-ChangeBit-; base unit: 94dd9e08c129c785f7f256e82fbe0a30e6d1ae40
# | 0x48,0x69,0x21,
# | Hi!
# | artifact_prefix='./'; Test unit written to ./timeout-c0a0ad26a634840c67a210fefdda76577b03a111
# | Base64: SGkh
...

```

</details>

https://github.com/llvm/llvm-project/pull/223038