[all-commits] [llvm/llvm-project] bc17d3: [LoopIdiom] Let LIR fold memset pointer / stride S...
Yueh-Ting (eop) Chen via All-commits
all-commits at lists.llvm.org
Mon Dec 13 09:37:12 PST 2021
Branch: refs/heads/main
Home: https://github.com/llvm/llvm-project
Commit: bc17d32a5f71b161186423c200554bddb6fb7e43
https://github.com/llvm/llvm-project/commit/bc17d32a5f71b161186423c200554bddb6fb7e43
Author: eopXD <yueh.ting.chen at gmail.com>
Date: 2021-12-13 (Mon, 13 Dec 2021)
Changed paths:
M llvm/lib/Transforms/Scalar/LoopIdiomRecognize.cpp
M llvm/test/Transforms/LoopIdiom/memset-runtime-32bit.ll
M llvm/test/Transforms/LoopIdiom/memset-runtime-64bit.ll
M llvm/test/Transforms/LoopIdiom/memset-runtime-debug.ll
Log Message:
-----------
[LoopIdiom] Let LIR fold memset pointer / stride SCEV regarding loop guards
Expression guraded in loop entry can be folded prior to comparison. This patch
proceeds D107353 and makes LIR able to deal with nested for-loop.
Reviewed By: qianzhen, bmahjour
Differential Revision: https://reviews.llvm.org/D108112
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