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[AMDGPU] performAddCombine should run after DAG is legalized.
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Authored by FarhanaAleen on May 1 2018, 4:08 PM.

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Summary

performAddCombine should run after DAG is legalized; Otherwise generic optimization in the DAGCombiner can optimize an addcarry+trunc into an addcarry instruction with illegal types.

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Repository
rL LLVM

Event Timeline

FarhanaAleen created this revision.May 1 2018, 4:08 PM
rampitec accepted this revision.May 1 2018, 4:25 PM

LGTM

This revision is now accepted and ready to land.May 1 2018, 4:25 PM
This revision was automatically updated to reflect the committed changes.