[PATCH] D17297: [X86][AVX] Add shuffle masking support for EltsFromConsecutiveLoads
Simon Pilgrim via llvm-commits
llvm-commits at lists.llvm.org
Tue Feb 16 10:20:05 PST 2016
RKSimon created this revision.
RKSimon added reviewers: mkuper, spatel, andreadb.
RKSimon added a subscriber: llvm-commits.
RKSimon set the repository for this revision to rL LLVM.
Add support for the case where we have a consecutive load (which must include the first + last elements) with a mixture of undef/zero elements. We load the vector and then apply a shuffle to clear the zero'd elements.
Repository:
rL LLVM
http://reviews.llvm.org/D17297
Files:
lib/Target/X86/X86ISelLowering.cpp
test/CodeGen/X86/merge-consecutive-loads-128.ll
test/CodeGen/X86/merge-consecutive-loads-256.ll
test/CodeGen/X86/merge-consecutive-loads-512.ll
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