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3 Commits

Author SHA1 Message Date
Fangrui Song 3d76d36059 [AMDGPU] Rename pass "isel" to "amdgpu-isel" 
Summary: The AMDGPU target specific pass "isel" is a misleading name.

Reviewers: tstellar, echristo, javed.absar, arsenm

Reviewed By: arsenm

Subscribers: arsenm, kzhuravl, jvesely, wdng, nhaehnle, yaxunl, dstuttard, tpr, t-tye, kristof.beyls, llvm-commits

Differential Revision: https://reviews.llvm.org/D52759

llvm-svn: 343659
 2018-10-03 03:38:22 +00:00
Tim Renouf f1c7b92a6a [AMDGPU] Avoid using divergent value in mubuf addr64 descriptor 
Summary:
This fixes a problem where a load from global+idx generated incorrect
code on <=gfx7 when the index is divergent.

Subscribers: arsenm, kzhuravl, wdng, nhaehnle, yaxunl, dstuttard, t-tye, llvm-commits

Differential Revision: https://reviews.llvm.org/D47383

Change-Id: Ib4d177d6254b1dd3f8ec0203fdddec94bd8bc5ed
llvm-svn: 338779
 2018-08-02 22:53:57 +00:00
Matt Arsenault 191bc71541 DAG: Stop dropping invariant/dereferencable 
When legalizing illegal FP load results, this was
for some reason dropping the invariant and dereferencable
memory flags. There doesn't seem to be any reason for this,
and the equivalent isn't done for integer loads.

Fixes an issue in a future AMDGPU commit where some identical
loads fail to merge because one of the loads ends up
dropping the flags.

llvm-svn: 334020
 2018-06-05 14:52:24 +00:00