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# a0ea7ec9 19-Mar-2022 alex-t <[email protected]>

[AMDGPU] divergence patterns for the BUILD_VECTOR i16, undef expansion.

BUILD_VECTOR of i16 and undef gets expanded to the COPY_TO_REGCLASS.
The latter is further lowererd to the copy instr

[AMDGPU] divergence patterns for the BUILD_VECTOR i16, undef expansion.

BUILD_VECTOR of i16 and undef gets expanded to the COPY_TO_REGCLASS.
The latter is further lowererd to the copy instructions.
We need to provide the correct register class for the uniform and divergent BUILD_VECTOR nodes
to avoid VGPR to SGPR copies.

Reviewed By: rampitec

Differential Revision: https://reviews.llvm.org/D122068

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Revision tags: llvmorg-14.0.0, llvmorg-14.0.0-rc4, llvmorg-14.0.0-rc3, llvmorg-14.0.0-rc2
# aa1e5fbc 24-Feb-2022 Jay Foad <[email protected]>

[AMDGPU] Fix permissions on test files


Revision tags: llvmorg-14.0.0-rc1, llvmorg-15-init, llvmorg-13.0.1, llvmorg-13.0.1-rc3, llvmorg-13.0.1-rc2
# e4103c91 22-Dec-2021 alex-t <[email protected]>

[AMDGPU] Select build_vector DAG nodes according to the divergence

This change enables divergence-driven instruction selection for the build_vector DAG nodes.
It also enables packed i16 instructions

[AMDGPU] Select build_vector DAG nodes according to the divergence

This change enables divergence-driven instruction selection for the build_vector DAG nodes.
It also enables packed i16 instructions for GFX9.

Reviewed By: rampitec

Differential Revision: https://reviews.llvm.org/D116187

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