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201d1e56bb
llvm/test/Transforms/DeadStoreElimination
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Chris Lattner 201d1e56bb Teach basicaa that memset's modref set is at worst "mod" and never 
contains "ref".

Enhance DSE to use a modref query instead of a store-specific hack
to generalize the "ignore may-alias stores" optimization to handle
memset and memcpy.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120368 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-30 00:28:45 +00:00
..
2004-11-28-LiveStoreDeleted.ll Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
2004-12-28-PartialStore.ll Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
2005-11-30-vaarg.ll Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
2006-06-27-AST-Remove.ll Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
2008-07-28-load-store.ll Make BasicAliasAnalysis a normal AliasAnalysis implementation which 2010-10-18 18:04:47 +00:00
2008-11-28-MemDepUpdate.ll Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
2008-11-29-OffEndOfBlock.ll Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
2009-11-10-Trampoline.ll Teach DSE to eliminate useless trampolines. 2009-11-10 13:49:50 +00:00
alloca.ll Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
byval.ll Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
const-pointers.ll Make BasicAliasAnalysis a normal AliasAnalysis implementation which 2010-10-18 18:04:47 +00:00
context-sensitive.ll Make BasicAliasAnalysis a normal AliasAnalysis implementation which 2010-10-18 18:04:47 +00:00
crash.ll add newlines at the end of files. 2010-04-07 22:53:17 +00:00
dg.exp sabre brings to my attention that the 'tr' suffix is also obsolete 2008-05-20 21:00:03 +00:00
free.ll Enhance DSE to handle the case where a free call makes more than 2010-11-12 02:19:17 +00:00
lifetime.ll Make BasicAliasAnalysis a normal AliasAnalysis implementation which 2010-10-18 18:04:47 +00:00
memcpy.ll Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00
memintrinsics.ll Reapply r86359, "Teach dead store elimination that certain intrinsics write to 2009-11-10 06:46:40 +00:00
no-targetdata.ll Make BasicAliasAnalysis a normal AliasAnalysis implementation which 2010-10-18 18:04:47 +00:00
partial-overwrite.ll Reapply r86359, "Teach dead store elimination that certain intrinsics write to 2009-11-10 06:46:40 +00:00
PartialStore.ll Make BasicAliasAnalysis a normal AliasAnalysis implementation which 2010-10-18 18:04:47 +00:00
simple.ll Teach basicaa that memset's modref set is at worst "mod" and never 2010-11-30 00:28:45 +00:00
volatile-load.ll Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 2009-09-11 18:01:28 +00:00