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[DAGCombiner] Fold SDIV(%X, MIN_SIGNED) -> SELECT(%X == MIN_SIGNED, 1, 0)
authorSimon Pilgrim <llvm-dev@redking.me.uk>
Wed, 27 Jun 2018 10:21:06 +0000 (10:21 +0000)
committerSimon Pilgrim <llvm-dev@redking.me.uk>
Wed, 27 Jun 2018 10:21:06 +0000 (10:21 +0000)
commit988e5b9752d5344b23a501ef7b7dec2feddbdfae
treeaf159c3b8d578e55589ba5e38e4ca6d9d3e284a1tree | snapshot
parent1f74921dd7140557eaa2c713c151391811d234ddcommit | diff
[DAGCombiner] Fold SDIV(%X, MIN_SIGNED) -> SELECT(%X == MIN_SIGNED, 1, 0)

Fixes PR37569.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@335719 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/SelectionDAG/DAGCombiner.cpp diff | blob | history
test/CodeGen/X86/combine-sdiv.ll diff | blob | history
external/llvm
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