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2008-12-17Simplified marking code regions -- no need to use <div> to surround <pre> tags.Misha Brukman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61143 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-17Instead of referring to the license file in the 2.3 release, refer to theMisha Brukman
always-current SVN version. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61142 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-17Added mention of the RELEASE_24 tag for the 2.4 release.Misha Brukman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61138 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-17Fix expansion of vsetcc to set the high bit for true instead of 1.Mon P Wang
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61129 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-17insert some sequence points and preincrement an iterator to avoidChris Lattner
iterator invalidation problems. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61124 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-17Enhance heap sra to be substantially more aggressive w.r.t PHIChris Lattner
nodes. This allows it to do fairly general phi insertion if a load from a pointer global wants to be SRAd but the load is used by (recursive) phi nodes. This fixes a pessimization on ppc introduced by Load PRE. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61123 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-17Double the amount of memory reserved for SUnits. This is aDan Gohman
temporary workaround for an obscure bug. When node cloning is used, it is possible that more SUnits will be created, and if the SUnits std::vector has to reallocate, it will invalidate all the graph edges. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61122 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-17Use getDepth() and getHeight() instead of accessing theDan Gohman
Depth and Height members directly, as they may not be current. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61121 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-17Fix the comments for getDepth and getHeight.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61120 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-17Fix for PR3225: disable a broken optimization inEli Friedman
DAGTypeLegalizer::ExpandShiftWithKnownAmountBit. In terms of restoring the optimization, the best fix here isn't obvious... any ideas? git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61119 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-17Update also the generated docs.Mikhail Glushenkov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61118 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-17Some enhancements for the 'case' expression.Mikhail Glushenkov
Add (error) and (empty). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61117 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-16Clarify that the scale factor from CheckForIVReuseDale Johannesen
can be negative. Keep track of whether all uses of an IV are outside the loop. Some cosmetics; no functional change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61109 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-16A new dag combine; several permutations of thisDale Johannesen
are there under ADD, this one was missing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61107 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-16Add code to renumber split intervals into new vregs. This is disabled for ↵Owen Anderson
now until I finish working out some iterator invalidation issues. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61104 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-16Fix another crash found by inspection. If we have a PHI node mergingChris Lattner
the load multiple times, make sure the check the uses of the PHI to ensure they are transformable. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61102 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-16fix a crash found by inspection.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61101 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-16Add a helper to remove a branch and DCE the condition, and use it Eli Friedman
consistently for deleting branches. In addition to being slightly more readable, this makes SimplifyCFG a bit better about cleaning up after itself when it makes conditions unused. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61100 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-16Eliminate the loop that walks the critical path. Instead, just track theDan Gohman
position in the critical path during the main instruction walk. This eliminates the need for the CritialAntiDep DenseMap. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61096 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-16Remove empty test.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61095 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-16Temporarily revert r61019, r61030, and r61040. These were breaking LLVM ReleaseBill Wendling
builds. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61094 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-16Preserve SourceValue information when lowering produces multiple loads fromDan Gohman
different offsets within the same stack slot. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61093 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-16We have decided not to support inline asm where an output operand with a ↵Evan Cheng
matching input operand with incompatible type (i.e. either one is a floating point and the other is an integer or the sizes of the types differ). SelectionDAGBuild will catch these and exit with an error. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61092 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-16CMake: Added DbgInfoPrinter.cpp to lib/Analysis/CMakeFiles.txt.Oscar Fuentes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61087 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-16add testcase for -print-dbginfoTorok Edwin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61086 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-16Add -print-dbginfo pass that prints LLVM IR with comments inserted to showTorok Edwin
which source/line a certain BB/instruction comes from, original variable names, and original (unmangled) C++ name of functions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61085 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-16Add utility functions to search for DbgStopPointInst corresponding to anTorok Edwin
instruction or BasicBlock, and to search for DbgDeclareInst corresponding to a variable. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61084 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-16use different name for parameter to make it clear that we set DIDescriptor::GVTorok Edwin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61083 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-16Generalize support for analyzing loops to include SLE/SGE loop exit conditionsNick Lewycky
and support for non-unit strides with signed exit conditions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61082 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-16switch some std::set/std::map to SmallPtrSet/DenseMap.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61081 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-16fix PR3217: fully cached queries need to be verified against the Chris Lattner
visited set before they are used. If used, their blocks need to be added to the visited set so that subsequent queries don't use conflicting pointer values in the cache result blocks. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61080 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-16Enable anti-dependence breaking by default when post-RA scheduling is enabled.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61078 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-16When breaking an anti-dependency, don't use a register which has seenDan Gohman
one of its aliases defined. This is conservative, but tricky subreg corner cases are outside the primary aim of this pass. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61077 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-16Add initial support for back-scheduling address computations,Dan Gohman
especially in the case of addresses computed from loop induction variables. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61075 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-16Remove some special-case logic in ScheduleDAGSDNodes's Dan Gohman
latency computation code that is no longer needed with the new method for handling latencies. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61074 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-16Fix some register-alias-related bugs in the post-RA scheduler livenessDan Gohman
computation code. Also, avoid adding output-depenency edges when both defs are dead, which frequently happens with EFLAGS defs. Compute Depth and Height lazily, and always in terms of edge latency values. For the schedulers that don't care about latency, edge latencies are set to 1. Eliminate Cycle and CycleBound, and LatencyPriorityQueue's Latencies array. These are all subsumed by the Depth and Height fields. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61073 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-16* Comply with HTML 4.01 StrictMisha Brukman
* Added code-region markings to code sections to make them stand out * Added pre.doc_code class to llvm.css to simplify marking code regions git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61072 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-16* Comply with HTML 4.01 Strict standardMisha Brukman
* Converted absolute links to llvm.org/docs to relative links * Fixed spelling and s/;/:/, as needed git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61071 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-16Add a simple target-independent heuristic to allow targets with noDan Gohman
instruction itinerary data to back-schedule loads. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61070 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-16Move addPred and removePred out-of-line.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61067 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-16Make addPred and removePred return void, since the return value is notDan Gohman
currently used by anything. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61066 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-16This getEdgeAttributes doesn't need a template argument.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61065 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-16Add a getSDep() access function to SUnitIterator to return theDan Gohman
current SDep. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61064 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-16Reorder some SDep methods. No functionality change.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61063 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-16SDep's operator== should compare the Latency field too.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61062 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-16Change so that buildit won't need a parent directory with only the build ↵Bill Wendling
scripts in them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61061 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-15add testcase for r61051Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61052 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-15enhance heap-sra to apply to fixed sized array allocations, not justChris Lattner
variable sized array allocations. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61051 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-15Added support for splitting and scalarizing vector shifts.Mon P Wang
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61050 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-15Use stripPointerCasts.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61047 91177308-0d34-0410-b5e6-96231b3b80d8
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