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Chandler Carruth 405e4f9051 [GMR] Teach the conservative path of GMR to catch even more easy cases. 
In PR24288 it was pointed out that the easy case of a non-escaping
global and something that *obviously* required an escape sometimes is
hidden behind PHIs (or selects in theory). Because we have this binary
test, we can easily just check that all possible input values satisfy
the requirement. This is done with a (very small) recursion through PHIs
and selects. With this, the specific example from the PR is correctly
folded by GVN.

Differential Revision: http://reviews.llvm.org/D11707

llvm-svn: 244078
 		2015-08-05 17:58:30 +00:00
..
AssumptionCache [PM] Actually add the new pass manager support for the assumption cache. 2015-01-22 21:53:09 +00:00
BasicAA NFC. Explicitly specify attributes in BasicAA/cs-cs.ll test. 2015-07-23 14:31:18 +00:00
BlockFrequencyInfo Add documentation for new backedge mass propagation in irregular loops. 2015-06-17 16:28:22 +00:00
BranchProbabilityInfo Fix information loss in branch probability computation. 2015-05-07 17:22:06 +00:00
CFLAliasAnalysis [opaque pointer type] Add textual IR support for explicit type parameter to gep operator 2015-03-13 18:20:45 +00:00
CallGraph [CallGraph] Given -print-callgraph a stable printing order. 2015-06-19 23:20:31 +00:00
CostModel [X86][SSE] Vectorize i64 ASHR operations 2015-07-29 20:31:45 +00:00
Delinearization [SCEV] Apply NSW and NUW flags via poison value analysis 2015-07-28 18:22:40 +00:00
DependenceAnalysis [DependenceAnalysis] Extend unifySubscriptType for handling coupled subscript groups. 2015-05-29 16:58:08 +00:00
DivergenceAnalysis/NVPTX Divergence analysis for GPU programs 2015-04-10 05:03:50 +00:00
Dominators Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
GlobalsModRef [GMR] Teach the conservative path of GMR to catch even more easy cases. 2015-08-05 17:58:30 +00:00
LazyCallGraph [LazyCallGraph] Port test case from r240039 to LCG. 2015-07-02 02:03:58 +00:00
Lint Move the personality function from LandingPadInst to Function 2015-06-17 20:52:32 +00:00
LoopAccessAnalysis [LAA] Add clarifying comments for the checking pointer grouping algorithm. NFC 2015-07-28 13:44:08 +00:00
LoopInfo [PM] Port LoopInfo to the new pass manager, adding both a LoopAnalysis 2015-01-20 10:58:50 +00:00
MemoryDependenceAnalysis [MDA] change BlockScanLimit into a command line option. 2015-07-21 21:50:39 +00:00
PostDominators FileCheck-ize tests. 2013-08-22 00:51:19 +00:00
RegionInfo [tests] Cleanup initialization of test suffixes. 2013-08-16 00:37:11 +00:00
ScalarEvolution [SCEV] Apply NSW and NUW flags via poison value analysis 2015-07-28 18:22:40 +00:00
ScopedNoAliasAA [Testsuite] Renumber metadata in ScopedNoAliasAA test to match CHECK lines 2015-05-11 09:10:14 +00:00
TypeBasedAliasAnalysis [opaque pointer type] Add textual IR support for explicit type parameter to gep operator 2015-03-13 18:20:45 +00:00
ValueTracking [ValueTracking] do not overwrite analysis results already computed 2015-06-15 05:46:29 +00:00