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2008-08-17avoid an extraneous std::string constructionChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54875 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-17Rework the routines that convert AP[S]Int into a string. Now, instead ofChris Lattner
returning an std::string by value, it fills in a SmallString/SmallVector passed in. This significantly reduces string thrashing in some cases. More specifically, this: - Adds an operator<< and a print method for APInt that allows you to directly send them to an ostream. - Reimplements APInt::toString to be much simpler and more efficient algorithmically in addition to not thrashing strings quite as much. This speeds up llvm-dis on kc++ by 7%, and may also slightly speed up the asmprinter. This also fixes a bug I introduced into the asmwriter in a previous patch w.r.t. alias printing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54873 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-17remove a dead APInt ctor.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54869 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-17avoid string thrashing when formatting names in output. ThisChris Lattner
speeds up release-asserts llvm-dis on kc++ from 1.86s to 1.04s (~79%) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54868 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-17random cleanups.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54866 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-17add support for a cout/cerr analog (outs()/errs()) as well asChris Lattner
a simple adaptor class to give raw output capabilities to something that wants to write to an ostream. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54865 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-17opening "-" automatically yields stdout.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54863 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-17rename OutputData to 'write' to match ostream.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54857 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-17add a new raw_ostream class which is an extremely high performance ostream thatChris Lattner
can *only* output data (no seeking, reading, etc). This is adapted from the clang "-E outputter", and is roughly 10% faster than stdio on darwin and 30% (or more) faster than std::ostream. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54855 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-16PPC/Linux normally uses named section for bssAnton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54847 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-16Use proper strings section name for PPCAnton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54846 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-16Use correct name for TLS address resolution routine on x86-64Anton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54845 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-16Add interface for section override. Use this for Sparc, since it should use ↵Anton Korobeynikov
named BSS section. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54844 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-16Move SLEB/ULEB size calculation routines from AsmPrinter to TargetAsmInfo. ↵Anton Korobeynikov
This makes JIT asmprinter-free. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54843 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-16Reduce heap trashing due to std::string construction / concatenation via ↵Anton Korobeynikov
caching of section flags string representations git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54842 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-15Remove GCSE, ValueNumbering, and LoadValueNumbering. These have been ↵Owen Anderson
deprecated for almost a year; it's finally time for them to go away. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54822 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-15Reapply 54786. Add overflow and number of mantissa bits checks.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54821 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-15Convert several std::vectors over to SmallVector, and use reserve() as ↵Owen Anderson
appropriate for cases where std::vector is still used. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54820 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-15Inline the fastpath of PATypeHolder::get(). This is a small speedup in Chris Lattner
instcombine among other things. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54814 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-15Revert 54786. It's not checking for overflows, etc.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54813 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-15use smallvector instead of vector for a couple worklists. This speeds up ↵Chris Lattner
instcombine by ~10% on some testcases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54811 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-14Use SmallSet instead of std::set to save allocations.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54810 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-14Move MachineInstr::getOpcode inline.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54807 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-14Build the X86GenFastISel.inc file.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54806 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-14The pass manager is not able to schedule -loop-deletion -loop-index-split.Devang Patel
The loop-deletion pass does not preserve dom frontier, which is required by loop-index-split. When the PM checks dom frontier for loop-index-split, it has already verified that lcssa is availalble. However, new dom frontier forces new loop pass manager, which does not have lcssa yet. The PM should recheck availability of required analysis passes in such cases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54805 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-14Temporarily revert r54792. It's causing an ICE during bootstrapping.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54804 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-14Also avoid pinsrw and pinsrb with a variable insertelement index.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54803 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-14Convert uses of std::vector in TargetInstrInfo to SmallVector. This change ↵Owen Anderson
had to be propoagated down into all the targets and up into all clients of this API. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54802 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-14Don't try to use the insertps instruction for vectorDan Gohman
element inserts with non-constant indices. This fixes CodeGen/X86/vector-variable-idx.ll on machines that have SSE4.1. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54801 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-14Make FastISel's constructor protected, and give it a destructor.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54793 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-14Use DenseMap. Patch by Pratik Solanki.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54792 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-14Remove more uses of std::set.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54787 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-14If IV is used in a int-to-float cast inside the loop then try to eliminate ↵Devang Patel
the cast opeation. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54786 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-14Have LeakDetector use a SmallPtrSet instead of an std::set.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54785 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-14Improve support for vector casts in LLVM IR and CodeGen.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54784 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-14Speed up addRegisterDead by adding more fast checks before performing the ↵Owen Anderson
expensive subregister query, and by increasing the size of the subregister hashtable so that there are fewer collisions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54781 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-14Use empty() instead of begin() == end().Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54780 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-14Replace two for loops with while(!X->use_empty()) loops. This preventsMatthijs Kooijman
invalidating the iterator by deleting the current use. This fixes a segfault on 64 bit linux reported in PR2675. Also remove an unneeded if. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54778 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-13Get rid of a use of std::map.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54770 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-13Fix a bogus srem rule - a negative value srem'd by a power-of-2Dan Gohman
can have a non-negative result; for example, -16%16 is 0. Also, clarify the related comments. This fixes PR2670. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54767 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-13Expunge the last uses of std::map from LiveIntervals.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54766 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-13Move r2iMap_ over to DenseMap from std::map.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54765 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-13Allow SelectionDAG to create EXTRACT_VECTOR_ELT nodes withDan Gohman
non-constant indices. Only a few of the peephole checks require a constant index. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54764 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-13Make the allocation of LiveIntervals explicit, rather than holding them in ↵Owen Anderson
the r2iMap_ by value. This will prevent references to them from being invalidated if the map is changed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54763 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-13Fix SCCP's handling of struct value loads and stores. SCCP doesn'tDan Gohman
track individual leaf values in such cases, so it needs to treat struct values as normal values in this case. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54760 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-13Rename. s/FindIVForUser/FindIVUserForCond/gDevang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54754 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-13Teach constant folding that an inttoptr of aDuncan Sands
ptrtoint can be turned into a bitcast if the integer is at least as wide as a pointer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54752 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-13Initial checkin of the new "fast" instruction selection support. SeeDan Gohman
the comments in FastISelEmitter.cpp for details on what this is. This is currently experimental and unusable. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54751 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-13Oops, check in these files too, for the FastISel -> Fast rename.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54750 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-13Rename SelectionDAGISel's FastISel to Fast, to begin to makeDan Gohman
room for the new FastISel instruction selection code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54749 91177308-0d34-0410-b5e6-96231b3b80d8
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