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2010-08-14Add ATTRIBUTE_UNUSED to methods that are not supposed to be used.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111082 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-13Add a lint check for an indirectbr destination which has notDan Gohman
had its address taken. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111058 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-13Various optimizations. Don't compare two loops' depthsDan Gohman
when they are the same loop. Don't compare two instructions' loop depths when they are in the same block. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111045 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-13When testing whether one loop contains another, test this directlyDan Gohman
rather than testing whether the loop contains the other's header. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111039 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-13Add a const.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111038 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-13When creating a symmetric SCEV with a constant operand, putDan Gohman
the constant operand on the left, as that's where ScalarEvolution will end up canonicalizing to. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111037 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-13An add recurrence is loop-invariant in any loop inside of itsDan Gohman
associated loop. This avoids potentially expensive traversals of the add recurrence's operands. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111034 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-12Optimize ScalarEvolution::getAddExpr's operand factoring code byDan Gohman
having it finish processing all of the muliply operands before starting the whole getAddExpr process over again, instead of immediately after the first simplification. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110916 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-12Hoist some loop-invariant code out of a hot loop.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110915 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-12Optimize ScalarEvolution::getAddExpr's duplicate operand detectionDan Gohman
by having it finish processing the whole operand list before starting the whole getAddExpr process over again, instead of immediately after the first duplicate is found. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110914 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-11Even if a variable has constant value all the time, it is still a variable ↵Devang Patel
in gdb's eyes. Tested by scope.exp in gdb testsuite. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110876 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-11Fix a subtle use-after-free issue.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110863 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-11Make LoopPass::getContainedPass return a LoopPass* instead of a Pass*Dan Gohman
and remove casts from all its callers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110848 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-11Improve indentation.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110778 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-11When analyzing loop exit conditions combined with and and or, don'tDan Gohman
make any assumptions about when the two conditions will agree on when to permit the loop to exit. This fixes PR7845. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110758 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-10Rename and reorder the arguments to isImpliedCond, for consistency and clarity.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110750 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-10Now that we're using ConstantRange to represent potential values, make use ↵Owen Anderson
of that represenation to create constraints from comparisons other than eq/neq. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110742 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-10Add missing argument. CreateCompositeTypeEx() users, please verify.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110717 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-10Switch over to using ConstantRange to track integral values.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110714 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-10Do not forget debug info for enums. Use named mdnode to keep track of these ↵Devang Patel
types. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110712 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-10RegionInfo: Do not assert if a BB is not part of the dominance tree.Tobias Grosser
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110665 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-10Handle TAG_constant for integers.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110656 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-09Refactor.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110607 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-09Add ConstantRange information to the debugging output.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110598 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-06Reapply r110396, with fixes to appease the Linux buildbot gods.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110460 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-06Implement a proper getModRefInfo for va_arg.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110458 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-06Be more conservative in the face of volatile.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110456 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-06Fix a comment.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110455 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-06Move all the logic for function attributes and call attributes out of theDan Gohman
AliasAnalysis base class and into BasicAliasAnalyais. This avoids confusion about where such logic is happening when there are other AliasAnalysis implementations present. Move the logic for translating two-callsite getModRefInfo queries into other AliasAnalysis queries out of BasicAliasAnalysis and into the AliasAnalysis base class, as it is useful for other AliasAnalysis implementations. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110421 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-06Fix botched revert.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110416 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-06Revert r110396 to fix buildbots.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110410 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-05Fix 80-column violations.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110401 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-05Don't use PassInfo* as a type identifier for passes. Instead, use the ↵Owen Anderson
address of the static ID member as the sole unique type identifier. Clean up APIs related to this change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110396 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-05Implement AccessesArguments checking in the two-callsite formDan Gohman
of BasicAA::getModRefInfo. This allows BasicAA to say that two memset calls to non-aliasing memory locations don't interfere. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110393 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-05Yes, we can do better, but this is not the place for it.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110391 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-05Add the beginnings of infrastructure for range tracking.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110388 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-05Split the tag and value members of LVILatticeVal in preparation for ↵Owen Anderson
expanding the lattice to something that won't fit in two bits. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110383 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-05Fix memdep's code for reasoning about dependences between two calls. A RefDan Gohman
response from getModRefInfo is not useful here. Instead, check for identical calls only in the NoModRef case. Reapply r110270, and strengthen it to compensate for the memdep changes. When both calls are readonly, there is no dependence between them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110382 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-05Revert r110270 for now. It appears to uncover a memdep bug.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110293 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-04The trouble with testing for "ModRef" and "NoModRef" is thatDan Gohman
one is a suffix of the other, and FileCheck accepts superstrings. Adjust the output to avoid this problem. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110280 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-04The two-callsite form of AliasAnalysis::getModRefInfo is documentedDan Gohman
to return Ref if the left callsite only reads memory read or written by the right callsite; fix BasicAliasAnalysis to implement this. Add AliasAnalysisEvaluator support for testing the two-callsite form of getModRefInfo. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110270 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-04Fix a minor bug which resulted in intermediate calculationsDan Gohman
using wider types than are necessary. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110241 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-04Add a missing function.Torok Edwin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110195 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-03Remove PointerAccessInfo, which nothing was using.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110167 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-03Thread const correctness through a bunch of AliasAnalysis interfaces andDan Gohman
eliminate several const_casts. Make CallSite implicitly convertible to ImmutableCallSite. Rename the getModRefBehavior for intrinsic IDs to getIntrinsicModRefBehavior to avoid overload ambiguity with CallSite, which happens to be implicitly convertible to bool. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110155 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-03The singular of "indices" is "index".Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110135 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-03Delete an unused function.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110134 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-03Make AliasAnalysis::getModRefInfo conservative in the face of volatility.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110120 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-03Fix a typo Devang noticed.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110115 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-03Fix CMake buildMichael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110097 91177308-0d34-0410-b5e6-96231b3b80d8
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