[all-commits] [llvm/llvm-project] 800d36: [DAG] Only perform the fold (A-B)+(C-D) --> (A+C)-...
Simon Pilgrim via All-commits
all-commits at lists.llvm.org
Sun May 8 05:52:18 PDT 2022
Branch: refs/heads/main
Home: https://github.com/llvm/llvm-project
Commit: 800d36cf32367a633bc24f668189365d63894f8c
https://github.com/llvm/llvm-project/commit/800d36cf32367a633bc24f668189365d63894f8c
Author: Simon Pilgrim <llvm-dev at redking.me.uk>
Date: 2022-05-08 (Sun, 08 May 2022)
Changed paths:
M llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
M llvm/test/CodeGen/X86/combine-add.ll
Log Message:
-----------
[DAG] Only perform the fold (A-B)+(C-D) --> (A+C)-(B+D) when both inner subs have one use
Fixes #51381
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