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[AMDGPU] Support horizontal vectorization of min/max.
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Authored by FarhanaAleen on May 8 2018, 2:54 PM.

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rL LLVM

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FarhanaAleen created this revision.May 8 2018, 2:54 PM
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FarhanaAleen changed the visibility from "No One" to "Custom Policy".May 9 2018, 9:39 AM
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FarhanaAleen retitled this revision from [AMDGPU] Support horizontal vectorization on min/max. to [AMDGPU] Support horizontal vectorization of min/max..May 9 2018, 10:11 AM
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rampitec added inline comments.May 9 2018, 12:04 PM
test/CodeGen/AMDGPU/reduction.ll
132 ↗(On Diff #145792)

There is no guarantee RA will choose the same register as destination, neither it is needed.

153 ↗(On Diff #145792)

Same here.

225 ↗(On Diff #145792)

Ditto.

Removed the dependency from the destination register.

rampitec accepted this revision.May 9 2018, 1:13 PM

LGTM

This revision is now accepted and ready to land.May 9 2018, 1:13 PM
This revision was automatically updated to reflect the committed changes.