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[AMDGPU] Fold copy (copy vgpr)
authorStanislav Mekhanoshin <Stanislav.Mekhanoshin@amd.com>
Thu, 27 Sep 2018 18:55:20 +0000 (18:55 +0000)
committerStanislav Mekhanoshin <Stanislav.Mekhanoshin@amd.com>
Thu, 27 Sep 2018 18:55:20 +0000 (18:55 +0000)
commitb080adfc0c597f7bddb2f6b9c9374492921a69f1
tree530c17d27cd7bf2e3beaa965f938c37cd20ed507tree | snapshot
parent670c147d83bcaada7a906206d41769389fecf291commit | diff
[AMDGPU] Fold copy (copy vgpr)

This allows to reduce a number of used VGPRs in some cases.

Differential Revision: https://reviews.llvm.org/D52577

llvm-svn: 343249
llvm/lib/Target/AMDGPU/SIFoldOperands.cpp diff | blob | history
llvm/test/CodeGen/AMDGPU/fold-vgpr-copy.mir [new file with mode: 0644] blob
Domain: System / Toolchain;