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(parent: e53e7dc) | patch
Optimization for Gather/Scatter with uniform base
authorElena Demikhovsky <elena.demikhovsky@intel.com>
Wed, 2 Sep 2015 08:39:13 +0000 (08:39 +0000)
committerElena Demikhovsky <elena.demikhovsky@intel.com>
Wed, 2 Sep 2015 08:39:13 +0000 (08:39 +0000)
commitd4b64f7e6623c1f6d8141ec7c13d8557d965daa1
treee732c387eeb0af16f8a0e1e8ee05c8cd167bd319tree | snapshot
parente53e7dcf09650b09864dc4305fc85be247cc7d14commit | diff
Optimization for Gather/Scatter with uniform base
Vector 'getelementptr' with scalar base is an opportunity for gather/scatter intrinsic to generate a better sequence.
While looking for uniform base, we want to use the scalar base pointer of GEP, if exists.

Differential Revision: http://reviews.llvm.org/D11121

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246622 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp diff | blob | history
test/CodeGen/X86/masked_gather_scatter.ll diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors