[all-commits] [llvm/llvm-project] 440312: Revert "[win][aarch64] Always reserve frame pointe...

[David Spickett via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 44031237284e465f4fa97d2d9f4067cdecbc2dee
      https://github.com/llvm/llvm-project/commit/44031237284e465f4fa97d2d9f4067cdecbc2dee
  Author: David Spickett <david.spickett at linaro.org>
  Date:   2025-07-03 (Thu, 03 Jul 2025)

  Changed paths:
    M clang/lib/Driver/ToolChains/CommonArgs.cpp
    M clang/test/Driver/frame-pointer-elim.c
    M llvm/lib/Target/AArch64/AArch64FrameLowering.cpp
    M llvm/lib/Target/AArch64/AArch64FrameLowering.h
    M llvm/lib/Target/AArch64/AArch64RegisterInfo.cpp
    M llvm/test/CodeGen/AArch64/regress-w29-reserved-with-fp.ll
    M llvm/test/CodeGen/AArch64/win-sve.ll
    M llvm/test/CodeGen/AArch64/wincfi-missing-seh-directives.ll
    M llvm/test/CodeGen/AArch64/wineh-frame5.mir
    M llvm/test/CodeGen/AArch64/wineh-frame7.mir

  Log Message:
  -----------
  Revert "[win][aarch64] Always reserve frame pointers for Arm64 Windows" (#146836)

Reverts llvm/llvm-project#146582

Due to failures on many of Linaro's Linux flang bots:
https://lab.llvm.org/buildbot/#/builders/17/builds/9292

```
******************** TEST 'Flang :: Semantics/windows.f90' FAILED ********************
Exit Code: 1
Command Output (stdout):
--
--- 
+++ 
@@ -0,0 +1,2 @@
expect at 6: User IDs do not exist on Windows. This function will always return 1
expect at 11: Group IDs do not exist on Windows. This function will always return 1
FAIL
--
Command Output (stderr):
--
RUN: at line 1 has no command after substitutions
"/usr/bin/python3.10" /home/tcwg-buildbot/worker/clang-aarch64-sve-vla/llvm/flang/test/Semantics/test_errors.py /home/tcwg-buildbot/worker/clang-aarch64-sve-vla/llvm/flang/test/Semantics/windows.f90 /home/tcwg-buildbot/worker/clang-aarch64-sve-vla/stage1/bin/flang --target=aarch64-pc-windows-msvc -Werror # RUN: at line 2
+ /usr/bin/python3.10 /home/tcwg-buildbot/worker/clang-aarch64-sve-vla/llvm/flang/test/Semantics/test_errors.py /home/tcwg-buildbot/worker/clang-aarch64-sve-vla/llvm/flang/test/Semantics/windows.f90 /home/tcwg-buildbot/worker/clang-aarch64-sve-vla/stage1/bin/flang --target=aarch64-pc-windows-msvc -Werror
--
```



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