[AMDGPU] Change control flow intrinsic lowering making the wave to re…#86805

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alex-t wants to merge 6 commits intollvm:mainfrom

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Commits on May 20, 2024

[AMDGPU] Change control flow intrinsic lowering making the wave to reconverge at the end of the predecessor block.
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[AMDGPU] Change control flow intrinsic lowering making the wave to reconverge at the end of the predecessor block.
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[AMDGPU] Change control flow intrinsic lowering making the wave to reconverge at the end of the predecessor block. Tests updated. Else exit mask fixed. AndTerm changed to usual And in emitLoop
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[AMDGPU] Change control flow intrinsic lowering making the wave to reconverge at the end of the predecessor block. si_end_cf intrinsic and opcode changed to si_wave_reconverge. Restoring the exec m…
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[AMDGPU] Alternative control flow lowering. Handling uniform if and lop inside the divergent CF in SIAnnotateControlFlow
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[AMDGPU] Control Flow lowering: add S_CMOV_b32/64_term and S_CSELECT_B32/64_term pseudo instructions
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