[compiler-rt] [libunwind] [AArch64] Fix nofp regressions in compiler-rt and libunwind (PR #111235)

[LLVM Continuous Integration via cfe-commits]

llvm-ci wrote:

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

Full details are available at: https://lab.llvm.org/buildbot/#/builders/55/builds/3403

<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:506: 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:506: 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:506: 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:506: 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:506: 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:506: 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:506: 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: 83571 tests, 48 workers --
Testing:  0.. 10.. 20.. 30.. 40
FAIL: LLVM :: CodeGen/MIR/AMDGPU/machine-function-info-after-pei.ll (35387 of 83571)
******************** TEST 'LLVM :: CodeGen/MIR/AMDGPU/machine-function-info-after-pei.ll' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
RUN: at line 1: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/llc -mtriple=amdgcn-mesa-mesa3d -mcpu=tahiti -amdgpu-spill-sgpr-to-vgpr=0 -stop-after prologepilog -verify-machineinstrs /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/CodeGen/MIR/AMDGPU/machine-function-info-after-pei.ll -o - | /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/FileCheck -check-prefix=AFTER-PEI /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/CodeGen/MIR/AMDGPU/machine-function-info-after-pei.ll
+ /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/llc -mtriple=amdgcn-mesa-mesa3d -mcpu=tahiti -amdgpu-spill-sgpr-to-vgpr=0 -stop-after prologepilog -verify-machineinstrs /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/CodeGen/MIR/AMDGPU/machine-function-info-after-pei.ll -o -
+ /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/FileCheck -check-prefix=AFTER-PEI /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/CodeGen/MIR/AMDGPU/machine-function-info-after-pei.ll
/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/CodeGen/MIR/AMDGPU/machine-function-info-after-pei.ll:41:19: error: AFTER-PEI-NEXT: is not on the line after the previous match
; AFTER-PEI-NEXT: scavengeFI: '%stack.3'
                  ^
<stdin>:149:2: note: 'next' match was here
 scavengeFI: '%stack.3'
 ^
<stdin>:147:14: note: previous match ended here
 occupancy: 5
             ^
<stdin>:148:1: note: non-matching line after previous match is here
 numPhysicalVGPRSpillLanes: 0
^

Input file: <stdin>
Check file: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/CodeGen/MIR/AMDGPU/machine-function-info-after-pei.ll

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

Input was:
<<<<<<
         .
         .
         .
       144:  fp64-fp16-input-denormals: true 
       145:  fp64-fp16-output-denormals: true 
       146:  highBitsOf32BitAddress: 0 
       147:  occupancy: 5 
       148:  numPhysicalVGPRSpillLanes: 0 
       149:  scavengeFI: '%stack.3' 
next:41      !~~~~~~~~~~~~~~~~~~~~~  error: match on wrong line
Step 10 (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:506: 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:506: 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:506: 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:506: 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:506: 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:506: 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:506: 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: 83571 tests, 48 workers --
Testing:  0.. 10.. 20.. 30.. 40
FAIL: LLVM :: CodeGen/MIR/AMDGPU/machine-function-info-after-pei.ll (35387 of 83571)
******************** TEST 'LLVM :: CodeGen/MIR/AMDGPU/machine-function-info-after-pei.ll' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
RUN: at line 1: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/llc -mtriple=amdgcn-mesa-mesa3d -mcpu=tahiti -amdgpu-spill-sgpr-to-vgpr=0 -stop-after prologepilog -verify-machineinstrs /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/CodeGen/MIR/AMDGPU/machine-function-info-after-pei.ll -o - | /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/FileCheck -check-prefix=AFTER-PEI /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/CodeGen/MIR/AMDGPU/machine-function-info-after-pei.ll
+ /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/llc -mtriple=amdgcn-mesa-mesa3d -mcpu=tahiti -amdgpu-spill-sgpr-to-vgpr=0 -stop-after prologepilog -verify-machineinstrs /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/CodeGen/MIR/AMDGPU/machine-function-info-after-pei.ll -o -
+ /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/FileCheck -check-prefix=AFTER-PEI /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/CodeGen/MIR/AMDGPU/machine-function-info-after-pei.ll
/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/CodeGen/MIR/AMDGPU/machine-function-info-after-pei.ll:41:19: error: AFTER-PEI-NEXT: is not on the line after the previous match
; AFTER-PEI-NEXT: scavengeFI: '%stack.3'
                  ^
<stdin>:149:2: note: 'next' match was here
 scavengeFI: '%stack.3'
 ^
<stdin>:147:14: note: previous match ended here
 occupancy: 5
             ^
<stdin>:148:1: note: non-matching line after previous match is here
 numPhysicalVGPRSpillLanes: 0
^

Input file: <stdin>
Check file: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/CodeGen/MIR/AMDGPU/machine-function-info-after-pei.ll

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

Input was:
<<<<<<
         .
         .
         .
       144:  fp64-fp16-input-denormals: true 
       145:  fp64-fp16-output-denormals: true 
       146:  highBitsOf32BitAddress: 0 
       147:  occupancy: 5 
       148:  numPhysicalVGPRSpillLanes: 0 
       149:  scavengeFI: '%stack.3' 
next:41      !~~~~~~~~~~~~~~~~~~~~~  error: match on wrong line
Step 13 (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:506: 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:506: 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:506: 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:506: 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:506: 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:506: 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:506: 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: 80877 tests, 48 workers --
Testing:  0.. 10.. 20.. 30.. 40
FAIL: LLVM :: CodeGen/MIR/AMDGPU/machine-function-info-after-pei.ll (35392 of 80877)
******************** TEST 'LLVM :: CodeGen/MIR/AMDGPU/machine-function-info-after-pei.ll' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
RUN: at line 1: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/llc -mtriple=amdgcn-mesa-mesa3d -mcpu=tahiti -amdgpu-spill-sgpr-to-vgpr=0 -stop-after prologepilog -verify-machineinstrs /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/CodeGen/MIR/AMDGPU/machine-function-info-after-pei.ll -o - | /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/FileCheck -check-prefix=AFTER-PEI /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/CodeGen/MIR/AMDGPU/machine-function-info-after-pei.ll
+ /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/llc -mtriple=amdgcn-mesa-mesa3d -mcpu=tahiti -amdgpu-spill-sgpr-to-vgpr=0 -stop-after prologepilog -verify-machineinstrs /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/CodeGen/MIR/AMDGPU/machine-function-info-after-pei.ll -o -
+ /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/FileCheck -check-prefix=AFTER-PEI /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/CodeGen/MIR/AMDGPU/machine-function-info-after-pei.ll
/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/CodeGen/MIR/AMDGPU/machine-function-info-after-pei.ll:41:19: error: AFTER-PEI-NEXT: is not on the line after the previous match
; AFTER-PEI-NEXT: scavengeFI: '%stack.3'
                  ^
<stdin>:149:2: note: 'next' match was here
 scavengeFI: '%stack.3'
 ^
<stdin>:147:14: note: previous match ended here
 occupancy: 5
             ^
<stdin>:148:1: note: non-matching line after previous match is here
 numPhysicalVGPRSpillLanes: 0
^

Input file: <stdin>
Check file: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/CodeGen/MIR/AMDGPU/machine-function-info-after-pei.ll

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

Input was:
<<<<<<
         .
         .
         .
       144:  fp64-fp16-input-denormals: true 
       145:  fp64-fp16-output-denormals: true 
       146:  highBitsOf32BitAddress: 0 
       147:  occupancy: 5 
       148:  numPhysicalVGPRSpillLanes: 0 
       149:  scavengeFI: '%stack.3' 
next:41      !~~~~~~~~~~~~~~~~~~~~~  error: match on wrong line

```

</details>

https://github.com/llvm/llvm-project/pull/111235