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LLVM crashes on aarch64_be-linux-* for functions taking unusual vector types #21064

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alexrp opened this issue Aug 13, 2024 · 2 comments · May be fixed by #21183
Open

LLVM crashes on aarch64_be-linux-* for functions taking unusual vector types #21064

alexrp opened this issue Aug 13, 2024 · 2 comments · May be fixed by #21183
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arch-aarch64 64-bit ARM backend-llvm The LLVM backend outputs an LLVM IR Module. bug Observed behavior contradicts documented or intended behavior upstream An issue with a third party project that Zig uses.
Milestone
0.16.0

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@alexrp
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alexrp commented Aug 13, 2024 •
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Zig Version

eadc0c0

Steps to Reproduce and Observed Behavior

zig test -target aarch64_be-linux-none test/behavior/math.zig --test-cmd qemu-aarch64_be --test-cmd-bin

Upstream bug: llvm/llvm-project#103032

This is just meant as a tracking issue on our side. I consider this bug a blocker for any meaningful aarch64_be progress with LLVM; I eventually gave up trying to disable affected behavior tests and std tests.

Expected Behavior

No LLVM crash.
@alexrp alexrp added the bug Observed behavior contradicts documented or intended behavior label Aug 13, 2024
@Vexu Vexu added upstream An issue with a third party project that Zig uses. arch-aarch64 64-bit ARM backend-llvm The LLVM backend outputs an LLVM IR Module. labels Aug 13, 2024
@Vexu Vexu added this to the 0.16.0 milestone Aug 13, 2024
@alexrp
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alexrp commented Aug 19, 2024

Upstream bug has been fixed; I'll resume work on aarch64_be support once we upgrade to LLVM 19.

@alexrp alexrp closed this as completed Aug 19, 2024
@nektro
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nektro commented Aug 19, 2024

i think tracking issues such as this usually stay open until the llvm 19 upgrade is completed

@alexrp alexrp reopened this Aug 19, 2024
This was referenced Aug 22, 2024
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@alexrp alexrp mentioned this issue Aug 31, 2024
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arch-aarch64 64-bit ARM backend-llvm The LLVM backend outputs an LLVM IR Module. bug Observed behavior contradicts documented or intended behavior upstream An issue with a third party project that Zig uses.
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Milestone
0.16.0
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[WIP] LLVM 19 alexrp/zig
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@alexrp @nektro @Vexu