[llvm-branch-commits] [llvm] ValueTracking: Improve sign bit handling for fdiv (PR #174652)

[via llvm-branch-commits]

github-actions[bot] wrote:

<!--PREMERGE ADVISOR COMMENT: Windows-->
# :window: Windows x64 Test Results

* 129174 tests passed
* 2843 tests skipped
* 1 test failed

## Failed Tests
(click on a test name to see its output)

### LLVM
<details>
<summary>LLVM.CodeGen/RISCV/riscv-macho.ll</summary>

```
Exit Code: 3221225477

Command Output (stdout):
--
# RUN: at line 1
c:\_work\llvm-project\llvm-project\build\bin\llc.exe -mtriple=riscv32-apple-macho C:\_work\llvm-project\llvm-project\llvm\test\CodeGen\RISCV\riscv-macho.ll -o - | c:\_work\llvm-project\llvm-project\build\bin\filecheck.exe C:\_work\llvm-project\llvm-project\llvm\test\CodeGen\RISCV\riscv-macho.ll
# executed command: 'c:\_work\llvm-project\llvm-project\build\bin\llc.exe' -mtriple=riscv32-apple-macho 'C:\_work\llvm-project\llvm-project\llvm\test\CodeGen\RISCV\riscv-macho.ll' -o -
# note: command had no output on stdout or stderr
# executed command: 'c:\_work\llvm-project\llvm-project\build\bin\filecheck.exe' 'C:\_work\llvm-project\llvm-project\llvm\test\CodeGen\RISCV\riscv-macho.ll'
# note: command had no output on stdout or stderr
# RUN: at line 2
c:\_work\llvm-project\llvm-project\build\bin\llc.exe -mtriple=riscv32-apple-macho -filetype=obj C:\_work\llvm-project\llvm-project\llvm\test\CodeGen\RISCV\riscv-macho.ll -o C:\_work\llvm-project\llvm-project\build\test\CodeGen\RISCV\Output\riscv-macho.ll.tmp.o
# executed command: 'c:\_work\llvm-project\llvm-project\build\bin\llc.exe' -mtriple=riscv32-apple-macho -filetype=obj 'C:\_work\llvm-project\llvm-project\llvm\test\CodeGen\RISCV\riscv-macho.ll' -o 'C:\_work\llvm-project\llvm-project\build\test\CodeGen\RISCV\Output\riscv-macho.ll.tmp.o'
# .---command stderr------------
# | PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace and instructions to reproduce the bug.
# | Stack dump:
# | 0.	Program arguments: c:\\_work\\llvm-project\\llvm-project\\build\\bin\\llc.exe -mtriple=riscv32-apple-macho -filetype=obj C:\\_work\\llvm-project\\llvm-project\\llvm\\test\\CodeGen\\RISCV\\riscv-macho.ll -o C:\\_work\\llvm-project\\llvm-project\\build\\test\\CodeGen\\RISCV\\Output\\riscv-macho.ll.tmp.o
# | Exception Code: 0xC0000005
# |  #0 0x00007ff6d02e1abc (c:\_work\llvm-project\llvm-project\build\bin\llc.exe+0x2e51abc)
# |  #1 0x00007ff6cf31a7a8 (c:\_work\llvm-project\llvm-project\build\bin\llc.exe+0x1e8a7a8)
# |  #2 0x00007ff6cdcfeb75 (c:\_work\llvm-project\llvm-project\build\bin\llc.exe+0x86eb75)
# |  #3 0x00007ff6cd951a31 (c:\_work\llvm-project\llvm-project\build\bin\llc.exe+0x4c1a31)
# |  #4 0x00007ff6cd94a041 (c:\_work\llvm-project\llvm-project\build\bin\llc.exe+0x4ba041)
# |  #5 0x00007ff6cd497c0c (c:\_work\llvm-project\llvm-project\build\bin\llc.exe+0x7c0c)
# |  #6 0x00007ff6cd494e86 (c:\_work\llvm-project\llvm-project\build\bin\llc.exe+0x4e86)
# |  #7 0x00007ff6d1ab0a84 (c:\_work\llvm-project\llvm-project\build\bin\llc.exe+0x4620a84)
# |  #8 0x00007ffc68ce4cb0 (C:\Windows\System32\KERNEL32.DLL+0x14cb0)
# |  #9 0x00007ffc70a7edcb (C:\Windows\SYSTEM32\ntdll.dll+0x7edcb)
# `-----------------------------
# error: command failed with exit status: 0xc0000005

--

```
</details>

If these failures are unrelated to your changes (for example tests are broken or flaky at HEAD), please open an issue at https://github.com/llvm/llvm-project/issues and add the `infrastructure` label.

https://github.com/llvm/llvm-project/pull/174652