[llvm] [LLVM][AArch64]Add assembly/disassembly for compare-and-branch instructions (PR #112726)

[LLVM Continuous Integration via llvm-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `sanitizer-x86_64-linux-fast` running on `sanitizer-buildbot3` while building `llvm` at step 2 "annotate".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/169/builds/4520

<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-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using lld-link: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/lld-link
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using ld64.lld: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using wasm-ld: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using ld.lld: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/ld.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using lld-link: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/lld-link
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using ld64.lld: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using wasm-ld: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/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: 86434 of 86435 tests, 88 workers --
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.
FAIL: lld :: ELF/aarch64-gnu-ifunc-address.s (37826 of 86434)
******************** TEST 'lld :: ELF/aarch64-gnu-ifunc-address.s' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
RUN: at line 2: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/llvm-mc -filetype=obj -triple=aarch64-none-linux-gnu /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/lld/test/ELF/aarch64-gnu-ifunc-address.s -o /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/tools/lld/test/ELF/Output/aarch64-gnu-ifunc-address.s.tmp.o
+ /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/llvm-mc -filetype=obj -triple=aarch64-none-linux-gnu /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/lld/test/ELF/aarch64-gnu-ifunc-address.s -o /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/tools/lld/test/ELF/Output/aarch64-gnu-ifunc-address.s.tmp.o
RUN: at line 3: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/ld.lld -shared /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/tools/lld/test/ELF/Output/aarch64-gnu-ifunc-address.s.tmp.o -o /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/tools/lld/test/ELF/Output/aarch64-gnu-ifunc-address.s.tmpout
+ /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/ld.lld -shared /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/tools/lld/test/ELF/Output/aarch64-gnu-ifunc-address.s.tmp.o -o /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/tools/lld/test/ELF/Output/aarch64-gnu-ifunc-address.s.tmpout
RUN: at line 4: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/llvm-objdump --no-print-imm-hex -D --no-show-raw-insn /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/tools/lld/test/ELF/Output/aarch64-gnu-ifunc-address.s.tmpout | /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/FileCheck /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/lld/test/ELF/aarch64-gnu-ifunc-address.s
+ /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/FileCheck /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/lld/test/ELF/aarch64-gnu-ifunc-address.s
+ /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/llvm-objdump --no-print-imm-hex -D --no-show-raw-insn /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/tools/lld/test/ELF/Output/aarch64-gnu-ifunc-address.s.tmpout
/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/lib/Target/AArch64/Disassembler/AArch64Disassembler.cpp:502:56: runtime error: left shift of negative value -144
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/lib/Target/AArch64/Disassembler/AArch64Disassembler.cpp:502:56 

--

********************
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90..
FAIL: LLVM :: MC/AArch64/CMPBR/cmpbr.s (86377 of 86434)
******************** TEST 'LLVM :: MC/AArch64/CMPBR/cmpbr.s' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
RUN: at line 1: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/llvm-mc -triple=aarch64 -show-encoding -mattr=+cmpbr < /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/MC/AArch64/CMPBR/cmpbr.s         | /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/FileCheck /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/MC/AArch64/CMPBR/cmpbr.s --check-prefixes=CHECK-ENCODING,CHECK-INST
+ /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/llvm-mc -triple=aarch64 -show-encoding -mattr=+cmpbr
+ /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/FileCheck /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/MC/AArch64/CMPBR/cmpbr.s --check-prefixes=CHECK-ENCODING,CHECK-INST
RUN: at line 3: not /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/llvm-mc -triple=aarch64 -show-encoding < /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/MC/AArch64/CMPBR/cmpbr.s 2>&1         | /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/FileCheck /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/MC/AArch64/CMPBR/cmpbr.s --check-prefix=CHECK-ERROR
+ not /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/llvm-mc -triple=aarch64 -show-encoding
+ /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/FileCheck /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/MC/AArch64/CMPBR/cmpbr.s --check-prefix=CHECK-ERROR
RUN: at line 5: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/llvm-mc -triple=aarch64 -filetype=obj -mattr=+cmpbr < /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/MC/AArch64/CMPBR/cmpbr.s         | /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/llvm-objdump -d  --no-print-imm-hex --mattr=+cmpbr - | /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/FileCheck /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/MC/AArch64/CMPBR/cmpbr.s --check-prefix=CHECK-DISASS
+ /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/FileCheck /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/MC/AArch64/CMPBR/cmpbr.s --check-prefix=CHECK-DISASS
+ /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/llvm-mc -triple=aarch64 -filetype=obj -mattr=+cmpbr
+ /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/llvm-objdump -d --no-print-imm-hex --mattr=+cmpbr -
/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/lib/Target/AArch64/Disassembler/AArch64Disassembler.cpp:502:56: runtime error: left shift of negative value -256
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/lib/Target/AArch64/Disassembler/AArch64Disassembler.cpp:502:56 
/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/MC/AArch64/CMPBR/cmpbr.s:21:18: error: CHECK-DISASS: expected string not found in input
Step 10 (stage2/asan_ubsan check) failure: stage2/asan_ubsan check (failure)
...
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using lld-link: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/lld-link
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using ld64.lld: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using wasm-ld: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using ld.lld: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/ld.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using lld-link: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/lld-link
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using ld64.lld: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using wasm-ld: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-x86_64-linux-fast/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: 86434 of 86435 tests, 88 workers --
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.
FAIL: lld :: ELF/aarch64-gnu-ifunc-address.s (37826 of 86434)
******************** TEST 'lld :: ELF/aarch64-gnu-ifunc-address.s' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
RUN: at line 2: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/llvm-mc -filetype=obj -triple=aarch64-none-linux-gnu /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/lld/test/ELF/aarch64-gnu-ifunc-address.s -o /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/tools/lld/test/ELF/Output/aarch64-gnu-ifunc-address.s.tmp.o
+ /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/llvm-mc -filetype=obj -triple=aarch64-none-linux-gnu /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/lld/test/ELF/aarch64-gnu-ifunc-address.s -o /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/tools/lld/test/ELF/Output/aarch64-gnu-ifunc-address.s.tmp.o
RUN: at line 3: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/ld.lld -shared /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/tools/lld/test/ELF/Output/aarch64-gnu-ifunc-address.s.tmp.o -o /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/tools/lld/test/ELF/Output/aarch64-gnu-ifunc-address.s.tmpout
+ /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/ld.lld -shared /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/tools/lld/test/ELF/Output/aarch64-gnu-ifunc-address.s.tmp.o -o /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/tools/lld/test/ELF/Output/aarch64-gnu-ifunc-address.s.tmpout
RUN: at line 4: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/llvm-objdump --no-print-imm-hex -D --no-show-raw-insn /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/tools/lld/test/ELF/Output/aarch64-gnu-ifunc-address.s.tmpout | /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/FileCheck /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/lld/test/ELF/aarch64-gnu-ifunc-address.s
+ /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/FileCheck /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/lld/test/ELF/aarch64-gnu-ifunc-address.s
+ /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/llvm-objdump --no-print-imm-hex -D --no-show-raw-insn /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/tools/lld/test/ELF/Output/aarch64-gnu-ifunc-address.s.tmpout
/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/lib/Target/AArch64/Disassembler/AArch64Disassembler.cpp:502:56: runtime error: left shift of negative value -144
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/lib/Target/AArch64/Disassembler/AArch64Disassembler.cpp:502:56 

--

********************
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90..
FAIL: LLVM :: MC/AArch64/CMPBR/cmpbr.s (86377 of 86434)
******************** TEST 'LLVM :: MC/AArch64/CMPBR/cmpbr.s' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
RUN: at line 1: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/llvm-mc -triple=aarch64 -show-encoding -mattr=+cmpbr < /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/MC/AArch64/CMPBR/cmpbr.s         | /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/FileCheck /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/MC/AArch64/CMPBR/cmpbr.s --check-prefixes=CHECK-ENCODING,CHECK-INST
+ /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/llvm-mc -triple=aarch64 -show-encoding -mattr=+cmpbr
+ /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/FileCheck /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/MC/AArch64/CMPBR/cmpbr.s --check-prefixes=CHECK-ENCODING,CHECK-INST
RUN: at line 3: not /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/llvm-mc -triple=aarch64 -show-encoding < /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/MC/AArch64/CMPBR/cmpbr.s 2>&1         | /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/FileCheck /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/MC/AArch64/CMPBR/cmpbr.s --check-prefix=CHECK-ERROR
+ not /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/llvm-mc -triple=aarch64 -show-encoding
+ /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/FileCheck /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/MC/AArch64/CMPBR/cmpbr.s --check-prefix=CHECK-ERROR
RUN: at line 5: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/llvm-mc -triple=aarch64 -filetype=obj -mattr=+cmpbr < /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/MC/AArch64/CMPBR/cmpbr.s         | /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/llvm-objdump -d  --no-print-imm-hex --mattr=+cmpbr - | /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/FileCheck /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/MC/AArch64/CMPBR/cmpbr.s --check-prefix=CHECK-DISASS
+ /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/FileCheck /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/MC/AArch64/CMPBR/cmpbr.s --check-prefix=CHECK-DISASS
+ /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/llvm-mc -triple=aarch64 -filetype=obj -mattr=+cmpbr
+ /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/bin/llvm-objdump -d --no-print-imm-hex --mattr=+cmpbr -
/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/lib/Target/AArch64/Disassembler/AArch64Disassembler.cpp:502:56: runtime error: left shift of negative value -256
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/lib/Target/AArch64/Disassembler/AArch64Disassembler.cpp:502:56 
/home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/MC/AArch64/CMPBR/cmpbr.s:21:18: error: CHECK-DISASS: expected string not found in input

```

</details>

https://github.com/llvm/llvm-project/pull/112726