[PATCH] D62937: [AMDGPU] Mark s_endpgm convergent

[Stanislav Mekhanoshin via Phabricator via llvm-commits]

rampitec added a comment.

In D62937#1531865 <https://reviews.llvm.org/D62937#1531865>, @arsenm wrote:

> The concept of convergence we have breaks down at the machine level. At the machine level, we don't exactly need to think about the operations treated in the IR as convergent as related to control flow anymore. s_endpgm doesn't really have the convergent properties anyway


You cannot duplicate it by moving into the control flow. If you move it into the 'if..then' block that will prevent subsequent 'else' from from execution. How do you propose to shield it from duplication?


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