[PATCH] D78268: [Attributor] Deduce load/store alignment only in CGSCC passes

[Johannes Doerfert via Phabricator via llvm-commits]

jdoerfert created this revision.
jdoerfert added reviewers: lebedev.ri, fhahn.
Herald added subscribers: uenoku, arphaman, bollu, hiraditya.
Herald added a reviewer: sstefan1.
Herald added a reviewer: uenoku.
Herald added a project: LLVM.

Load & store alignment is used mostly late. Since the module pass is run
early and the CGSCC pass is run late we wait for the latter to derive
them. This mainly avoids redundant duplication in case we fail.

This is a compile-time reduction patch and it is unclear if we want to
introduce such switches. Though I feel we might need more of them.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D78268

Files:
  llvm/lib/Transforms/IPO/Attributor.cpp
  llvm/test/Transforms/Attributor/ArgumentPromotion/2008-07-02-array-indexing.ll
  llvm/test/Transforms/Attributor/ArgumentPromotion/aggregate-promote.ll
  llvm/test/Transforms/Attributor/ArgumentPromotion/attrs.ll
  llvm/test/Transforms/Attributor/ArgumentPromotion/byval.ll
  llvm/test/Transforms/Attributor/ArgumentPromotion/chained.ll
  llvm/test/Transforms/Attributor/ArgumentPromotion/musttail.ll
  llvm/test/Transforms/Attributor/ArgumentPromotion/pr33641_remove_arg_dbgvalue.ll
  llvm/test/Transforms/Attributor/ArgumentPromotion/sret.ll
  llvm/test/Transforms/Attributor/IPConstantProp/2009-09-24-byval-ptr.ll
  llvm/test/Transforms/Attributor/IPConstantProp/return-argument.ll
  llvm/test/Transforms/Attributor/align.ll
  llvm/test/Transforms/Attributor/callbacks.ll
  llvm/test/Transforms/Attributor/dereferenceable-2.ll
  llvm/test/Transforms/Attributor/heap_to_stack.ll
  llvm/test/Transforms/Attributor/liveness.ll
  llvm/test/Transforms/Attributor/noalias.ll
  llvm/test/Transforms/Attributor/nocapture-1.ll
  llvm/test/Transforms/Attributor/nocapture-2.ll
  llvm/test/Transforms/Attributor/readattrs.ll
  llvm/test/Transforms/Attributor/returned.ll
  llvm/test/Transforms/Attributor/undefined_behavior.ll
  llvm/test/Transforms/Attributor/value-simplify.ll

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