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f5a309e989
llvm-6502/include/llvm/Analysis
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Dan Gohman f5a309e989 Use a sign-extend instead of a zero-extend when promoting a 
trip count value when the original loop iteration condition is
signed and the canonical induction variable won't undergo signed
overflow. This isn't required for correctness; it just preserves
more information about original loop iteration values.

Add a getTruncateOrSignExtend method to ScalarEvolution,
following getTruncateOrZeroExtend.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64918 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-18 17:22:41 +00:00
..
AliasAnalysis.h Correct a comment: since AccessArguments is now 2009-02-13 17:36:13 +00:00
AliasSetTracker.h Fold the useful features of alist and alist_node into ilist, and 2008-07-28 21:51:04 +00:00
CallGraph.h introduce typedef for complicated vector, and use it too 2009-01-17 00:09:08 +00:00
CaptureTracking.h BasicAliasAnalysis and FunctionAttrs were both 2009-01-18 12:19:30 +00:00
CFGPrinter.h
ConstantFolding.h "ret (constexpr)" can't be folded into a Constant. Add a method to 2008-05-25 20:56:15 +00:00
ConstantsScanner.h Tidy up #includes, deleting a bunch of unnecessary #includes. 2009-01-05 17:59:02 +00:00
DebugInfo.h The debugger sometimes lookup dynamically in the runtime to find ivar info of any Objective-C classes. It would be very helpful to debugger if the compiler encodes runtime version number in DWARF. 2009-02-17 22:43:44 +00:00
DominatorInternals.h Tidy up #includes, deleting a bunch of unnecessary #includes. 2009-01-05 17:59:02 +00:00
Dominators.h Tidy up #includes, deleting a bunch of unnecessary #includes. 2009-01-05 17:59:02 +00:00
FindUsedTypes.h Tidy up #includes, deleting a bunch of unnecessary #includes. 2009-01-05 17:59:02 +00:00
Interval.h
IntervalIterator.h
IntervalPartition.h Tidy up several unbeseeming casts from pointer to intptr_t. 2008-09-04 17:05:41 +00:00
LibCallAliasAnalysis.h Expose a public interface to this pass. 2008-06-05 23:45:18 +00:00
LibCallSemantics.h Revert 51775. 2008-05-30 22:47:19 +00:00
LoopInfo.h Clarify the definition of "latch block" in a comment. 2009-02-18 16:43:19 +00:00
LoopPass.h Move dumpPassStructure out of line. 2009-02-17 19:41:26 +00:00
LoopVR.h Eliminate several more unnecessary intptr_t casts. 2009-02-18 05:09:16 +00:00
MemoryDependenceAnalysis.h The operator<() and operator>() were reversing their tests. Have the test the correct way. 2009-01-22 03:05:10 +00:00
Passes.h Add -print-dbginfo pass that prints LLVM IR with comments inserted to show 2008-12-16 09:09:19 +00:00
PostDominators.h Tidy up several unbeseeming casts from pointer to intptr_t. 2008-09-04 17:05:41 +00:00
ProfileInfo.h
ProfileInfoLoader.h
ProfileInfoTypes.h
ScalarEvolution.h Use a sign-extend instead of a zero-extend when promoting a 2009-02-18 17:22:41 +00:00
ScalarEvolutionExpander.h Wind SCEV back in time, to Nov 18th. This 'fixes' PR3275, PR3294, PR3295, 2009-01-13 09:18:58 +00:00
ScalarEvolutionExpressions.h Strengthen the "non-constant stride must dominate loop preheader" check. 2009-02-17 00:13:06 +00:00
SparsePropagation.h Tidy up #includes, deleting a bunch of unnecessary #includes. 2009-01-05 17:59:02 +00:00
Trace.h
ValueTracking.h Tidy up #includes, deleting a bunch of unnecessary #includes. 2009-01-05 17:59:02 +00:00
Verifier.h