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7b5b76835a
llvm-6502/lib/Analysis
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Wojciech Matyjewicz 7b5b76835a Fix PR2002. Suppose n is the initial value for the induction 
variable (with step 1) and m is its final value. Then, the correct trip 
count is SMAX(m,n)-n. Previously, we used SMAX(0,m-n), but m-n may 
overflow and can't in general be interpreted as signed.

Patch by Nick Lewycky.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47007 91177308-0d34-0410-b5e6-96231b3b80d8
2008-02-12 15:09:36 +00:00
..
IPA Remove attribution from file headers, per discussion on llvmdev. 2007-12-29 20:36:04 +00:00
AliasAnalysis.cpp Remove attribution from file headers, per discussion on llvmdev. 2007-12-29 20:36:04 +00:00
AliasAnalysisCounter.cpp Remove attribution from file headers, per discussion on llvmdev. 2007-12-29 20:36:04 +00:00
AliasAnalysisEvaluator.cpp Remove attribution from file headers, per discussion on llvmdev. 2007-12-29 20:36:04 +00:00
AliasDebugger.cpp Remove attribution from file headers, per discussion on llvmdev. 2007-12-29 20:36:04 +00:00
AliasSetTracker.cpp Remove attribution from file headers, per discussion on llvmdev. 2007-12-29 20:36:04 +00:00
Analysis.cpp Remove attribution from file headers, per discussion on llvmdev. 2007-12-29 20:36:04 +00:00
BasicAliasAnalysis.cpp getUnderlyingObject can return null, handle this. 2008-01-24 19:07:10 +00:00
CFGPrinter.cpp Remove attribution from file headers, per discussion on llvmdev. 2007-12-29 20:36:04 +00:00
ConstantFolding.cpp Avoid unnecessarily casting away const, fixing a FIXME. 2008-01-31 01:05:10 +00:00
InstCount.cpp Remove attribution from file headers, per discussion on llvmdev. 2007-12-29 20:36:04 +00:00
Interval.cpp Remove attribution from file headers, per discussion on llvmdev. 2007-12-29 20:36:04 +00:00
IntervalPartition.cpp Remove attribution from file headers, per discussion on llvmdev. 2007-12-29 20:36:04 +00:00
LoadValueNumbering.cpp Remove attribution from file headers, per discussion on llvmdev. 2007-12-29 20:36:04 +00:00
LoopInfo.cpp Remove attribution from file headers, per discussion on llvmdev. 2007-12-29 20:36:04 +00:00
LoopPass.cpp Remove attribution from file headers, per discussion on llvmdev. 2007-12-29 20:36:04 +00:00
Makefile remove attribution from lib Makefiles. 2007-12-29 20:09:26 +00:00
MemoryDependenceAnalysis.cpp Throttle the non-local dependence analysis for basic blocks with more than 50 predecessors. Added command line option to play with this threshold. 2008-02-06 00:54:55 +00:00
PostDominators.cpp Remove attribution from file headers, per discussion on llvmdev. 2007-12-29 20:36:04 +00:00
ProfileInfo.cpp Remove attribution from file headers, per discussion on llvmdev. 2007-12-29 20:36:04 +00:00
ProfileInfoLoader.cpp Remove attribution from file headers, per discussion on llvmdev. 2007-12-29 20:36:04 +00:00
ProfileInfoLoaderPass.cpp Remove attribution from file headers, per discussion on llvmdev. 2007-12-29 20:36:04 +00:00
ScalarEvolution.cpp Fix PR2002. Suppose n is the initial value for the induction 2008-02-12 15:09:36 +00:00
ScalarEvolutionExpander.cpp We should check that existing cast operation has the appropriate opcode before we reuse it. 2008-02-09 18:30:13 +00:00
Trace.cpp Remove attribution from file headers, per discussion on llvmdev. 2007-12-29 20:36:04 +00:00
ValueNumbering.cpp Remove attribution from file headers, per discussion on llvmdev. 2007-12-29 20:36:04 +00:00