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f241174421
llvm-6502/lib/Analysis
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Dan Gohman f241174421 Revert the addition of hasNoPointerOverflow to GEPOperator. 
Getelementptrs that are defined to wrap are virtually useless to
optimization, and getelementptrs that are undefined on any kind
of overflow are too restrictive -- it's difficult to ensure that
all intermediate addresses are within bounds. I'm going to take
a different approach.

Remove a few optimizations that depended on this flag.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76437 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-20 17:43:30 +00:00
..
IPA llvm_unreachable->llvm_unreachable(0), LLVM_UNREACHABLE->llvm_unreachable. 2009-07-14 16:55:14 +00:00
AliasAnalysis.cpp Generalize some alias analysis logic from atomic 2009-02-14 10:56:35 +00:00
AliasAnalysisCounter.cpp llvm_unreachable->llvm_unreachable(0), LLVM_UNREACHABLE->llvm_unreachable. 2009-07-14 16:55:14 +00:00
AliasAnalysisEvaluator.cpp simplify logic and get rid of the assumption that operand 0 is the callee 2009-03-24 19:28:39 +00:00
AliasDebugger.cpp Refactor my previous change to maintain the distinction between AliasAnalysis and BasicAliasAnalysis. This involves some wider changes because it 2009-02-05 23:36:27 +00:00
AliasSetTracker.cpp llvm_unreachable->llvm_unreachable(0), LLVM_UNREACHABLE->llvm_unreachable. 2009-07-14 16:55:14 +00:00
Analysis.cpp Expose Function::viewCFG and Function::viewCFGOnly to bindings. 2008-03-31 16:22:09 +00:00
BasicAliasAnalysis.cpp Revert the addition of hasNoPointerOverflow to GEPOperator. 2009-07-20 17:43:30 +00:00
CaptureTracking.cpp Revert r70876 and add a testcase (@c7) showing the problem: 2009-05-07 18:08:34 +00:00
CFGPrinter.cpp Get rid of the global CFGOnly flag by threading a ShortNames parameters through the GraphViz rendering code. 2009-06-24 17:37:09 +00:00
CMakeLists.txt Lexically order files in CMakeLists.txt files. 2009-07-15 21:08:16 +00:00
ConstantFolding.cpp llvm_unreachable->llvm_unreachable(0), LLVM_UNREACHABLE->llvm_unreachable. 2009-07-14 16:55:14 +00:00
DbgInfoPrinter.cpp Use getReturnTypeName() to print return type. 2009-06-23 22:23:13 +00:00
DebugInfo.cpp Begin the painful process of tearing apart the rat'ss nest that is Constants.cpp and ConstantFold.cpp. 2009-07-13 04:09:18 +00:00
InstCount.cpp llvm_unreachable->llvm_unreachable(0), LLVM_UNREACHABLE->llvm_unreachable. 2009-07-14 16:55:14 +00:00
Interval.cpp Remove attribution from file headers, per discussion on llvmdev. 2007-12-29 20:36:04 +00:00
IntervalPartition.cpp Tidy up several unbeseeming casts from pointer to intptr_t. 2008-09-04 17:05:41 +00:00
IVUsers.cpp Add a newline, now that Value's operator<< doesn't print one. 2009-07-14 00:32:49 +00:00
LibCallAliasAnalysis.cpp Expose a public interface to this pass. 2008-06-05 23:45:18 +00:00
LibCallSemantics.cpp Add a new interface for describing the behavior of library calls. This 2008-05-07 18:21:13 +00:00
LiveValues.cpp Delete an obsolete sentance from a comment. 2009-05-31 16:18:57 +00:00
LoopDependenceAnalysis.cpp llvm_unreachable->llvm_unreachable(0), LLVM_UNREACHABLE->llvm_unreachable. 2009-07-14 16:55:14 +00:00
LoopInfo.cpp Replace isTrapping with a new, similar method called 2009-07-17 04:28:42 +00:00
LoopPass.cpp Call doInitialization(), releaseMemory(), and doFinalization() for on-the-fly passes as well. 2009-06-29 18:49:09 +00:00
LoopVR.cpp Replace intersectWith with maximalIntersectWith. The latter guarantees that 2009-07-18 06:34:42 +00:00
Makefile Removed trailing whitespace from Makefiles. 2009-01-09 16:44:42 +00:00
MemoryDependenceAnalysis.cpp factor the 'optimized sort' code out into a static helper function 2009-07-13 17:20:05 +00:00
PointerTracking.cpp Introduce a pointertracking pass. 2009-07-14 18:44:28 +00:00
PostDominators.cpp Add newline at end of file. 2008-05-29 21:05:16 +00:00
ProfileInfo.cpp ProfileInfo interface tweaks. 2009-07-14 06:58:59 +00:00
ProfileInfoLoader.cpp Get rid of a static boolean. 2009-06-24 22:08:59 +00:00
ProfileInfoLoaderPass.cpp Tidy up several unbeseeming casts from pointer to intptr_t. 2008-09-04 17:05:41 +00:00
ScalarEvolution.cpp Revert the addition of hasNoPointerOverflow to GEPOperator. 2009-07-20 17:43:30 +00:00
ScalarEvolutionExpander.cpp Fix the expansion of umax and smax in the case where one or more of 2009-07-14 20:57:04 +00:00
SparsePropagation.cpp Finish LLVMContext-ing lib/Analysis. This required pushing LLVMContext's through the ValueTracking API. 2009-07-06 22:37:39 +00:00
Trace.cpp Remove attribution from file headers, per discussion on llvmdev. 2007-12-29 20:36:04 +00:00
ValueTracking.cpp Add a new Operator class, for handling Instructions and ConstantExprs 2009-07-17 20:47:02 +00:00