[llvm-branch-commits] [llvm] InstCombine: Handle fmul by -0 case in SimplifyDemandedFPClass (PR #174023)

[via llvm-branch-commits]

github-actions[bot] wrote:

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

* 129159 tests passed
* 2842 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 0x0000000000000000
# | #1 0x00007ff652349fb1 (c:\_work\llvm-project\llvm-project\build\bin\llc.exe+0x4b9fb1)
# | #2 0x00007ff651e97c0c (c:\_work\llvm-project\llvm-project\build\bin\llc.exe+0x7c0c)
# | #3 0x00007ff651e94e86 (c:\_work\llvm-project\llvm-project\build\bin\llc.exe+0x4e86)
# | #4 0x00007ff6564aac24 (c:\_work\llvm-project\llvm-project\build\bin\llc.exe+0x461ac24)
# | #5 0x00007ffb612c4cb0 (C:\Windows\System32\KERNEL32.DLL+0x14cb0)
# | #6 0x00007ffb717dedcb (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/174023