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Add dead function elimination to -O (#4015)

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Fixes #4003

Both legalization and size formulae already run dead function
elimination after inlining. This change does the same for performance
passes.
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alan-baker 2020-11-05 13:03:45 -05:00 committed by GitHub
parent c2b2b57885
commit 0c036df288
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1
source/opt/optimizer.cpp
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@ -161,6 +161,7 @@ Optimizer& Optimizer::RegisterPerformancePasses() {
.RegisterPass(CreateDeadBranchElimPass())
.RegisterPass(CreateMergeReturnPass())
.RegisterPass(CreateInlineExhaustivePass())
.RegisterPass(CreateEliminateDeadFunctionsPass())
.RegisterPass(CreateAggressiveDCEPass())
.RegisterPass(CreatePrivateToLocalPass())
.RegisterPass(CreateLocalSingleBlockLoadStoreElimPass())

1
test/tools/opt/flags.py
View File

@ -149,6 +149,7 @@ class TestPerformanceOptimizationPasses(expect.ValidObjectFile1_5,
'eliminate-dead-branches',
'merge-return',
'inline-entry-points-exhaustive',
'eliminate-dead-functions',
'eliminate-dead-code-aggressive',
'private-to-local',
'eliminate-local-single-block',