[clang] [llvm] [RISCV] Implement the implications of C extension (PR #132259)

[LLVM Continuous Integration via llvm-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `sanitizer-aarch64-linux-bootstrap-hwasan` running on `sanitizer-buildbot12` while building `clang,llvm` at step 2 "annotate".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/55/builds/8811

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

```
Step 2 (annotate) failure: 'python ../sanitizer_buildbot/sanitizers/zorg/buildbot/builders/sanitizers/buildbot_selector.py' (failure)
...
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using lld-link: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/lld-link
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using ld64.lld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using wasm-ld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using ld.lld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/ld.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using lld-link: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/lld-link
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using ld64.lld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using wasm-ld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/main.py:72: note: The test suite configuration requested an individual test timeout of 0 seconds but a timeout of 900 seconds was requested on the command line. Forcing timeout to be 900 seconds.
-- Testing: 87161 tests, 72 workers --
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90..
FAIL: lld :: ELF/lto/riscv-attributes.ll (85848 of 87161)
******************** TEST 'lld :: ELF/lto/riscv-attributes.ll' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
RUN: at line 3: rm -rf /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/tools/lld/test/ELF/lto/Output/riscv-attributes.ll.tmp && split-file /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/lld/test/ELF/lto/riscv-attributes.ll /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/tools/lld/test/ELF/lto/Output/riscv-attributes.ll.tmp && cd /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/tools/lld/test/ELF/lto/Output/riscv-attributes.ll.tmp
+ rm -rf /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/tools/lld/test/ELF/lto/Output/riscv-attributes.ll.tmp
+ split-file /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/lld/test/ELF/lto/riscv-attributes.ll /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/tools/lld/test/ELF/lto/Output/riscv-attributes.ll.tmp
+ cd /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/tools/lld/test/ELF/lto/Output/riscv-attributes.ll.tmp
RUN: at line 4: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/llvm-mc -filetype=obj -triple=riscv32 1.s -o 1.o
+ /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/llvm-mc -filetype=obj -triple=riscv32 1.s -o 1.o
RUN: at line 5: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/llvm-mc -filetype=obj -triple=riscv32 2.s -o 2.o
+ /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/llvm-mc -filetype=obj -triple=riscv32 2.s -o 2.o
RUN: at line 6: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/llvm-as a.ll -o a.bc
+ /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/llvm-as a.ll -o a.bc
RUN: at line 7: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/ld.lld 1.o 2.o a.bc -o out
+ /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/ld.lld 1.o 2.o a.bc -o out
RUN: at line 8: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/llvm-readelf --arch-specific out | /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/lld/test/ELF/lto/riscv-attributes.ll
+ /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/llvm-readelf --arch-specific out
+ /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/lld/test/ELF/lto/riscv-attributes.ll
/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/lld/test/ELF/lto/riscv-attributes.ll:13:15: error: CHECK-NEXT: expected string not found in input
; CHECK-NEXT: SectionLength: 98
              ^
<stdin>:3:13: note: scanning from here
 Section 1 {
            ^
<stdin>:4:2: note: possible intended match here
 SectionLength: 119
 ^

Input file: <stdin>
Check file: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/lld/test/ELF/lto/riscv-attributes.ll

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

Input was:
<<<<<<
           1: BuildAttributes { 
Step 11 (stage2/hwasan check) failure: stage2/hwasan check (failure)
...
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using lld-link: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/lld-link
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using ld64.lld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using wasm-ld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using ld.lld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/ld.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using lld-link: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/lld-link
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using ld64.lld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using wasm-ld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/main.py:72: note: The test suite configuration requested an individual test timeout of 0 seconds but a timeout of 900 seconds was requested on the command line. Forcing timeout to be 900 seconds.
-- Testing: 87161 tests, 72 workers --
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90..
FAIL: lld :: ELF/lto/riscv-attributes.ll (85848 of 87161)
******************** TEST 'lld :: ELF/lto/riscv-attributes.ll' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
RUN: at line 3: rm -rf /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/tools/lld/test/ELF/lto/Output/riscv-attributes.ll.tmp && split-file /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/lld/test/ELF/lto/riscv-attributes.ll /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/tools/lld/test/ELF/lto/Output/riscv-attributes.ll.tmp && cd /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/tools/lld/test/ELF/lto/Output/riscv-attributes.ll.tmp
+ rm -rf /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/tools/lld/test/ELF/lto/Output/riscv-attributes.ll.tmp
+ split-file /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/lld/test/ELF/lto/riscv-attributes.ll /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/tools/lld/test/ELF/lto/Output/riscv-attributes.ll.tmp
+ cd /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/tools/lld/test/ELF/lto/Output/riscv-attributes.ll.tmp
RUN: at line 4: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/llvm-mc -filetype=obj -triple=riscv32 1.s -o 1.o
+ /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/llvm-mc -filetype=obj -triple=riscv32 1.s -o 1.o
RUN: at line 5: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/llvm-mc -filetype=obj -triple=riscv32 2.s -o 2.o
+ /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/llvm-mc -filetype=obj -triple=riscv32 2.s -o 2.o
RUN: at line 6: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/llvm-as a.ll -o a.bc
+ /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/llvm-as a.ll -o a.bc
RUN: at line 7: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/ld.lld 1.o 2.o a.bc -o out
+ /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/ld.lld 1.o 2.o a.bc -o out
RUN: at line 8: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/llvm-readelf --arch-specific out | /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/lld/test/ELF/lto/riscv-attributes.ll
+ /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/llvm-readelf --arch-specific out
+ /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/lld/test/ELF/lto/riscv-attributes.ll
/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/lld/test/ELF/lto/riscv-attributes.ll:13:15: error: CHECK-NEXT: expected string not found in input
; CHECK-NEXT: SectionLength: 98
              ^
<stdin>:3:13: note: scanning from here
 Section 1 {
            ^
<stdin>:4:2: note: possible intended match here
 SectionLength: 119
 ^

Input file: <stdin>
Check file: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/lld/test/ELF/lto/riscv-attributes.ll

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

Input was:
<<<<<<
           1: BuildAttributes { 
Step 14 (stage3/hwasan check) failure: stage3/hwasan check (failure)
...
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using lld-link: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/lld-link
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using ld64.lld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using wasm-ld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using ld.lld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/ld.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using lld-link: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/lld-link
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using ld64.lld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using wasm-ld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/main.py:72: note: The test suite configuration requested an individual test timeout of 0 seconds but a timeout of 900 seconds was requested on the command line. Forcing timeout to be 900 seconds.
-- Testing: 84201 tests, 72 workers --
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90..
FAIL: lld :: ELF/lto/riscv-attributes.ll (82882 of 84201)
******************** TEST 'lld :: ELF/lto/riscv-attributes.ll' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
RUN: at line 3: rm -rf /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/tools/lld/test/ELF/lto/Output/riscv-attributes.ll.tmp && split-file /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/lld/test/ELF/lto/riscv-attributes.ll /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/tools/lld/test/ELF/lto/Output/riscv-attributes.ll.tmp && cd /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/tools/lld/test/ELF/lto/Output/riscv-attributes.ll.tmp
+ rm -rf /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/tools/lld/test/ELF/lto/Output/riscv-attributes.ll.tmp
+ split-file /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/lld/test/ELF/lto/riscv-attributes.ll /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/tools/lld/test/ELF/lto/Output/riscv-attributes.ll.tmp
+ cd /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/tools/lld/test/ELF/lto/Output/riscv-attributes.ll.tmp
RUN: at line 4: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/llvm-mc -filetype=obj -triple=riscv32 1.s -o 1.o
+ /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/llvm-mc -filetype=obj -triple=riscv32 1.s -o 1.o
RUN: at line 5: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/llvm-mc -filetype=obj -triple=riscv32 2.s -o 2.o
+ /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/llvm-mc -filetype=obj -triple=riscv32 2.s -o 2.o
RUN: at line 6: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/llvm-as a.ll -o a.bc
+ /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/llvm-as a.ll -o a.bc
RUN: at line 7: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/ld.lld 1.o 2.o a.bc -o out
+ /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/ld.lld 1.o 2.o a.bc -o out
RUN: at line 8: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/llvm-readelf --arch-specific out | /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/lld/test/ELF/lto/riscv-attributes.ll
+ /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/llvm-readelf --arch-specific out
+ /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/lld/test/ELF/lto/riscv-attributes.ll
/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/lld/test/ELF/lto/riscv-attributes.ll:13:15: error: CHECK-NEXT: expected string not found in input
; CHECK-NEXT: SectionLength: 98
              ^
<stdin>:3:13: note: scanning from here
 Section 1 {
            ^
<stdin>:4:2: note: possible intended match here
 SectionLength: 119
 ^

Input file: <stdin>
Check file: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/lld/test/ELF/lto/riscv-attributes.ll

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

Input was:
<<<<<<
           1: BuildAttributes { 

```

</details>

https://github.com/llvm/llvm-project/pull/132259