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4 Commits

Author SHA1 Message Date
Nirav Dave fe59e14031 [DAGCombine] Prune unnused nodes. 
Summary:
Nodes that have no uses are eventually pruned when they are selected
from the worklist. Record nodes newly added to the worklist or DAG and
perform pruning after every combine attempt.

Reviewers: efriedma, RKSimon, craig.topper, spatel, jyknight

Reviewed By: jyknight

Subscribers: jdoerfert, jyknight, nemanjai, jvesely, nhaehnle, javed.absar, hiraditya, jsji, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D58070

llvm-svn: 357283
 2019-03-29 17:35:56 +00:00
Matt Arsenault 6f35f0c212 AMDGPU: Actually commit re-run of update_llc_test_checks 
llvm-svn: 341218
 2018-08-31 15:05:06 +00:00
Matt Arsenault 28c16bd534 AMDGPU: Fix broken generated check lines 
This was incorrectly using the same check prefix for multiple lines

llvm-svn: 341214
 2018-08-31 14:34:22 +00:00
Farhana Aleen 3528c80378 [AMDGPU] Support idot2 pattern. 
Summary: Transform add (mul ((i32)S0.x, (i32)S1.x),

         add( mul ((i32)S0.y, (i32)S1.y), (i32)S3) => i/udot2((v2i16)S0, (v2i16)S1, (i32)S3)

Author: FarhanaAleen

Reviewed By: arsenm

Subscribers: llvm-commits, AMDGPU

Differential Revision: https://reviews.llvm.org/D50024

llvm-svn: 340295
 2018-08-21 16:21:15 +00:00