[llvm-bugs] [Bug 45297] Crash when building Linux kernel's AMDGPU driver for powerpc64le

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=45297

Nathan Chancellor <natechancellor at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|FIXED                       |---
             Status|RESOLVED                    |REOPENED

--- Comment #10 from Nathan Chancellor <natechancellor at gmail.com> ---
Reopening for proper 10.0.1 tracking.

Just for clarity, I can confirm on top of llvmorg-10.0.0, the following commits

70f9f4dd9d1 ("[PowerPC] Pre-commit reduced test case for PR45297. NFC.")
351b1923155 ("[PowerPC] Enhance test for PR45297. NFC.")
26b46b67d80 ("[PowerPC] Fix test for PR45297 to adapt build without asserts.
NFC.")
8eb40e41f6e ("[PowerPC] Don't generate ST_VSR_SCAL_INT if power8-vector is
disabled")

along with https://reviews.llvm.org/D76982?id=253326 fixes all crashes.

>From an outsider perspective, it seems like taking that Phabricator patch in
LLVM 10 is going have less of a regression risk compared to taking the
alignment series in, which looks to be fairly numerous in terms of commits:
https://github.com/llvm/llvm-project/commits/96cae168fa2d72d6693b60a13d0c8b2d82c64bed/llvm?author=gchatelet.

I am not sure what the policy is around patches in stable branches not in
master. I'll leave that up to Tom and the PowerPC owners.

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