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(parent: 838ac38) | patch
[LegalizeDAG] Share Vector/Scalar CTTZ Expansion
authorSimon Pilgrim <llvm-dev@redking.me.uk>
Tue, 23 Oct 2018 15:37:19 +0000 (15:37 +0000)
committerSimon Pilgrim <llvm-dev@redking.me.uk>
Tue, 23 Oct 2018 15:37:19 +0000 (15:37 +0000)
commite3237d202fb0a963b01d491150c6d6d24d1bffb4
tree8b0e2f946ded2d61bbdd666a11db7aeafc88c058tree | snapshot
parent838ac3865fe0ecd6e45d2d4be43bf7ed59cfb06ecommit | diff
[LegalizeDAG] Share Vector/Scalar CTTZ Expansion

As suggested on D53258, this patch demonstrates sharing common CTTZ expansion code between VectorLegalizer and SelectionDAGLegalize by putting it in TargetLowering.

I intend to move CTLZ and (scalar) CTPOP over as well and then update D53258 accordingly.

Differential Revision: https://reviews.llvm.org/D53474

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@345039 91177308-0d34-0410-b5e6-96231b3b80d8
include/llvm/CodeGen/TargetLowering.h diff | blob | history
lib/CodeGen/SelectionDAG/LegalizeDAG.cpp diff | blob | history
lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp diff | blob | history
lib/CodeGen/SelectionDAG/TargetLowering.cpp diff | blob | history
external/llvm
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