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Jonas Paulsson 19871f848b [CodeMetrics] Don't let extends of i1 be free. 
getUserCost() currently returns TCC_Free for any extend of a compare (i1)
result. It seems this is only true in a limited number of cases where for
example two compares are chained. Even in those types of cases it seems
unlikely that they are generally free, while they may be in some cases.

This patch therefore removes this special handling of cast of i1. No tests
are failing because of this.

If some target want the old behavior, it could override getUserCost().

Review: Hal Finkel, Chandler Carruth, Evgeny Astigeevich, Simon Pilgrim,
        Ulrich Weigand
https://reviews.llvm.org/D54742/new/

llvm-svn: 360970
 		2019-05-17 01:26:35 +00:00
..
AliasSet [Analysis] Make LocationSize pretty-printing more descriptive 2018-10-10 01:35:22 +00:00
AssumptionCache
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BasicAA [BasicAA] Support arbitrary pointer sizes (and fix an overflow bug) 2019-01-02 16:28:09 +00:00
BlockFrequencyInfo [BFI] Use rounding while computing profile counts. 2018-08-16 00:26:59 +00:00
BranchProbabilityInfo [BPI] Look through bitcasts in calcZeroHeuristic 2019-02-15 11:50:21 +00:00
CFLAliasAnalysis Revert r332657: "[AA] cfl-anders-aa with field sensitivity" 2018-05-17 21:56:39 +00:00
CallGraph
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ConstantFolding Add FNeg support to InstructionSimplify 2019-05-06 16:05:10 +00:00
CostModel [CodeMetrics] Don't let extends of i1 be free. 2019-05-17 01:26:35 +00:00
Delinearization Re-apply "[SCEV] Strengthen StrengthenNoWrapFlags (reapply r334428)." 2018-07-13 23:58:46 +00:00
DemandedBits Reapply "[DemandedBits][BDCE] Support vectors of integers" 2018-12-07 15:38:13 +00:00
DependenceAnalysis [DA][NewPM] Handle transitive dependencies in the new-pm version of DA 2019-02-03 12:25:41 +00:00
DivergenceAnalysis [SDA] Bug fix: Use IPD outside the loop as divergence bound 2019-04-18 16:17:35 +00:00
DominanceFrontier IR: Support parsing numeric block ids, and emit them in textual output. 2019-03-22 18:27:13 +00:00
Dominators
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GlobalsModRef [DebugInfo] Add DILabel metadata and intrinsic llvm.dbg.label. 2018-05-09 02:40:45 +00:00
IVUsers Re-apply "[SCEV] Strengthen StrengthenNoWrapFlags (reapply r334428)." 2018-07-13 23:58:46 +00:00
LazyCallGraph [LCG] Add aliased functions as LCG roots 2019-04-05 18:51:08 +00:00
LazyValueAnalysis [LVI] run transfer function for binary operator even when the RHS isn't a constant 2018-11-21 05:24:12 +00:00
LegacyDivergenceAnalysis [AMDGPU] Add support for 64 bit buffer atomic artihmetic instructions 2019-03-06 17:02:06 +00:00
Lint [Lint] Permit aliasing noalias readonly arguments 2019-04-23 23:43:47 +00:00
LoopAccessAnalysis [SCEV] Add explicit representations of umin/smin 2019-05-07 15:28:47 +00:00
LoopInfo Introduce llvm.loop.parallel_accesses and llvm.access.group metadata. 2018-12-20 04:58:07 +00:00
MemoryDependenceAnalysis [AliasAnalysis/NewPassManager] Invalidate AAManager less often. 2019-04-30 22:15:47 +00:00
MemorySSA [MemorySSA] LoopSimplify preserves MemorySSA only when flag is flipped. 2019-05-14 18:07:18 +00:00
MustExecute [MustExecute] Fix algorithmic bug in isGuaranteedToExecute. PR38514 2018-08-17 06:19:17 +00:00
PhiValues Add a PhiValuesAnalysis pass to calculate the underlying values of phis 2018-06-28 14:13:06 +00:00
PostDominators
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ProfileSummary [ProfileSummary] Add options to override hot and cold count thresholds. 2018-11-02 17:39:31 +00:00
RegionInfo IR: Support parsing numeric block ids, and emit them in textual output. 2019-03-22 18:27:13 +00:00
ScalarEvolution [SCEV] Add explicit representations of umin/smin 2019-05-07 15:28:47 +00:00
ScopedNoAliasAA
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StackSafetyAnalysis [stack-safety] Inter-Procedural Analysis implementation 2018-11-26 23:05:58 +00:00
TypeBasedAliasAnalysis [FunctionAttrs] Infer WriteOnly Function Attribute 2018-08-23 15:05:22 +00:00
ValueTracking [ValueTracking] Adjust comment in test 2019-01-07 21:02:22 +00:00
alias-analysis-uses.ll
…