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llvm-mirror/test/Transforms/Inline
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Philip Reames 3680a5e70e Teach InlineCost to account for a null check which can be folded away 
If we have a caller that knows a particular argument can never be null, we can exploit this fact while simplifying values in the inline cost analysis. This has the effect of reducing the cost for inlining when a null check is present in the callee, but the value is known non null in the caller. In particular, any dependent control flow can be discounted from the cost estimate.

Note that we use the parameter attributes at the call site to memoize the analysis within the caller's code.  The setting of this attribute is done in InstCombine, the inline cost analysis just consumes it.  This is intentional and important because we want the inline cost analysis results to be easily cachable themselves.  We're not currently doing so, but initial results on LTO indicate this will quickly become important.

Differential Revision: http://reviews.llvm.org/D9129

llvm-svn: 240828
2015-06-26 20:51:17 +00:00
..
2003-09-14-InlineValue.ll Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
2003-09-22-PHINodeInlineFail.ll Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
2003-09-22-PHINodesInExceptionDest.ll Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
2003-09-22-PHINodesInNormalInvokeDest.ll Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
2003-10-13-AllocaDominanceProblem.ll
2004-04-15-InlineDeletesCall.ll
2004-04-20-InlineLinkOnce.ll
2004-10-17-InlineFunctionWithoutReturn.ll
2006-01-14-CallGraphUpdate.ll
2006-07-12-InlinePruneCGUpdate.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
2006-11-09-InlineCGUpdate-2.ll Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
2006-11-09-InlineCGUpdate.ll Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
2007-04-15-InlineEH.ll Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
2007-06-25-WeakInline.ll
2007-12-19-InlineNoUnwind.ll
2008-09-02-NoInline.ll
2009-01-08-NoInlineDynamicAlloca.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
2009-01-13-RecursiveInlineCrash.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
2009-05-07-CallUsingSelfCrash.ll
2010-05-12-ValueMap.ll
align.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
alloca_test.ll
alloca-bonus.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
alloca-dbgdeclare.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
alloca-in-scc.ll [opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction 2015-02-27 19:29:02 +00:00
alloca-merge-align.ll Make DataLayout Non-Optional in the Module 2015-03-04 18:43:29 +00:00
always-inline.ll
array_merge.ll
attributes.ll [inliner] Don't inline a function if it doesn't have exactly the same 2015-04-13 18:43:38 +00:00
basictest.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
blockaddress.ll
byval_lifetime.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
byval-tail-call.ll Reapply 239795 - [InstCombine] Propagate non-null facts to call parameters 2015-06-16 20:24:25 +00:00
byval.ll [opaque pointer type] Add textual IR support for explicit type parameter to gep operator 2015-03-13 18:20:45 +00:00
callgraph-update.ll Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
casts.ll
cfg_preserve_test.ll
crash2.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
crash-lifetime-marker.ll [InlineFunction] Don't add lifetime markers for zero-sized allocas. 2015-04-20 16:11:05 +00:00
crash.ll Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
debug-info-duplicate-calls.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
debug-invoke.ll Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
delete-call.ll
devirtualize-2.ll [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
devirtualize-3.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
devirtualize.ll [opaque pointer type] Add textual IR support for explicit type parameter to gep operator 2015-03-13 18:20:45 +00:00
dynamic_alloca_test.ll
ephemeral.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
externally_available.ll
frameescape.ll [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
gvn-inline-iteration.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
ignore-debug-info.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
inline_cleanup.ll
inline_constprop.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
inline_dbg_declare.ll IR: Give 'DI' prefix to debug info metadata 2015-04-29 16:38:44 +00:00
inline_dce.ll
inline_invoke.ll Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
inline_minisize.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
inline_prune.ll
inline_returns_twice.ll Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
inline_ssp.ll [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
inline-byval-bonus.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
inline-cold.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
inline-fast-math-flags.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
inline-fp.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
inline-indirect.ll Fix a crash in the assumption cache when inlining indirect function calls 2015-02-12 21:04:22 +00:00
inline-invoke-tail.ll Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
inline-invoke-with-asm-call.ll Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
inline-musttail-varargs.ll [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction 2015-04-16 23:24:18 +00:00
inline-optnone.ll
inline-optsize.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
inline-tail.ll Revert "Transforms: reapply SVN r219899" 2014-11-04 02:02:14 +00:00
inline-vla.ll [opaque pointer type] Add textual IR support for explicit type parameter to gep operator 2015-03-13 18:20:45 +00:00
invoke_test-1.ll Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
invoke_test-2.ll Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
invoke_test-3.ll Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
invoke-cleanup.ll Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
invoke-combine-clauses.ll Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
invoke-cost.ll Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
lifetime-no-datalayout.ll Make DataLayout Non-Optional in the Module 2015-03-04 18:43:29 +00:00
lifetime.ll
nested-inline.ll
noalias2.ll Changed renaming of local symbols by inserting a dot vefore the numeric suffix. 2015-05-12 16:47:30 +00:00
noalias-calls.ll IR: Add 'distinct' MDNodes to bitcode and assembly 2015-01-08 22:38:29 +00:00
noalias-cs.ll Changed renaming of local symbols by inserting a dot vefore the numeric suffix. 2015-05-12 16:47:30 +00:00
noalias.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
noinline-recursive-fn.ll
noinline.ll
nonnull.ll Teach InlineCost to account for a null check which can be folded away 2015-06-26 20:51:17 +00:00
null-function.ll
optimization-remarks.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
pr21206.ll Change the .ll syntax for comdats and add a syntactic sugar. 2015-01-06 22:55:16 +00:00
pr22285.ll [Inliner] Discard empty COMDAT groups 2015-05-05 20:14:22 +00:00
PR4909.ll
ptr-diff.ll [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
recursive.ll
store-sroa.ll Correctly estimate SROA savings for store operands in inline cost analysis. 2015-03-20 18:33:12 +00:00
switch.ll
vector-bonus.ll [inliner] Fix the early-exit of the inline cost analysis to correctly 2015-05-27 02:49:05 +00:00