[PATCH] D36840: [DAG] convert vector select-of-constants to logic/math
Sanjay Patel via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Thu Aug 17 16:36:53 PDT 2017
spatel updated this revision to Diff 111583.
spatel added a comment.
Patch updated:
Remove the general case fold which actually isn't a win if vselect is fast. We only convert the vselect when there's a clear optimization now.
https://reviews.llvm.org/D36840
Files:
include/llvm/Target/TargetLowering.h
lib/CodeGen/SelectionDAG/DAGCombiner.cpp
lib/Target/PowerPC/PPCISelLowering.h
lib/Target/X86/X86ISelLowering.cpp
lib/Target/X86/X86ISelLowering.h
test/CodeGen/PowerPC/vselect-constants.ll
test/CodeGen/X86/vselect-avx.ll
test/CodeGen/X86/vselect-constants.ll
test/CodeGen/X86/widen_compare-1.ll
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