libclc: spirv64-mesa3d-.spv fails to build ( Unknown attribute kind (68) )

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Bugzilla Link	PR52200
Status	NEW
Importance	P release blocker
Reported by	Sylvestre Ledru (sylvestre@debian.org)
Reported on	2021-10-17 12:22:25 -0700
Last modified on	2021-10-18 07:13:02 -0700
Version	unspecified
Hardware	PC Linux
CC	llvm-bugs@lists.llvm.org, tstellar@redhat.com
Fixed by commit(s)
Attachments
Blocks
Blocked by
See also

Recent regression:

[2459/2516] cd "/build/llvm-toolchain-snapshot-
14~++20211016052734+2c941fa2f9b9/libclc/build" && /usr/bin/llvm-spirv --spirv-
max-version=1.1 -o spirv64-mesa3d-.spv builtins.link.spirv64-mesa3d-.bc
FAILED: spirv64-mesa3d-.spv
cd "/build/llvm-toolchain-snapshot-
14~++20211016052734+2c941fa2f9b9/libclc/build" && /usr/bin/llvm-spirv --spirv-
max-version=1.1 -o spirv64-mesa3d-.spv builtins.link.spirv64-mesa3d-.bc
Unknown attribute kind (68) (Producer: 'LLVM14.0.0' Reader: 'LLVM 10.0.0')
[2460/2516] "/build/llvm-toolchain-snapshot-
14~++20211016052734+2c941fa2f9b9/build-llvm/tools/clang/stage2-bins/bin/clang" -
DCLC_R600 -D__CLC_INTERNAL -I../generic/include -cl-no-stdinc   -target r600-- -
mcpu=barts -fno-builtin -nostdlib -I /build/llvm-toolchain-snapshot-
14~++20211016052734+2c941fa2f9b9/libclc/generic/lib/shared -o
CMakeFiles/builtins.link.barts-r600--.dir/generic/lib/shared/vload.bc -c
../generic/lib/shared/vload.cl -emit-llvm
[2461/2516] cd "/build/llvm-toolchain-snapshot-
14~++20211016052734+2c941fa2f9b9/libclc/build" && "/build/llvm-toolchain-
snapshot-14~++20211016052734+2c941fa2f9b9/build-llvm/tools/clang/stage2-
bins/bin/opt" -o builtins.opt.spirv64-mesa3d-.bc builtins.link.spirv64-mesa3d-
.bc

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Actually, I have the same issue on amd64 on ubuntu focal

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Seems that it happened between
81e9c90686f7..2c941fa2f9b9

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Seems to be caused by https://reviews.llvm.org/D105169

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Seems that it works with llvm-spir 11.0.0 but fails with 10.0.0