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* Rename ISD::LOCATION to ISD::DBG_STOPPOINT to better reflect itsDan Gohman2008-06-3013-55/+58
| | | | | | | | | | | | | | | | | purpose, and give it a custom SDNode subclass so that it doesn't need to have line number, column number, filename string, and directory string, all existing as individual SDNodes to be the operands. This was the only user of ISD::STRING, StringSDNode, etc., so remove those and some associated code. This makes stop-points considerably easier to read in -view-legalize-dags output, and reduces overhead (creating new nodes and copying std::strings into them) on code containing debugging information. llvm-svn: 52924
* Split scheduling from instruction selection.Evan Cheng2008-06-3010-65/+55
| | | | llvm-svn: 52923
* No need to align the stack if there are no stackDale Johannesen2008-06-301-1/+2
| | | | | | objects. Fixes a couple of tests on Linux. llvm-svn: 52921
* Remove unneeded include.Evan Cheng2008-06-301-1/+0
| | | | llvm-svn: 52920
* Replace some std::vectors that showed up in heap profiling withDan Gohman2008-06-305-24/+18
| | | | | | | | SmallVectors. Change the signature of TargetLowering::LowerArguments to avoid returning a vector by value, and update the two targets which still use this directly, Sparc and IA64, accordingly. llvm-svn: 52917
* Correct the allocation size for CCState's UsedRegs member, whichDan Gohman2008-06-301-1/+1
| | | | | | | | only needs one bit for each register. UsedRegs is a SmallVector sized at 16, so this eliminates a heap allocation/free for every call and return processed by Legalize on most targets. llvm-svn: 52915
* Move dominator info printer into tool/opt/GraphPrinters.cppDevang Patel2008-06-301-30/+0
| | | | llvm-svn: 52907
* ExpungeNode is only needed for new nodes! ThisDuncan Sands2008-06-301-9/+12
| | | | | | | fixes CodeGen/PowerPC/2008-06-19-LegalizerCrash.ll when using the new LegalizeTypes infrastructure. llvm-svn: 52903
* Support for VAARG. As noted in a comment, this isDuncan Sands2008-06-302-0/+33
| | | | | | | wrong for types like x86 long double and i1, but no worse than what is done in LegalizeDAG. llvm-svn: 52898
* Support for promoting select_cc operands.Duncan Sands2008-06-302-3/+16
| | | | llvm-svn: 52895
* Revert the SelectionDAG optimization that makesDuncan Sands2008-06-3011-136/+84
| | | | | | | | | | | | | | | | | | it impossible to create a MERGE_VALUES node with only one result: sometimes it is useful to be able to create a node with only one result out of one of the results of a node with more than one result, for example because the new node will eventually be used to replace a one-result node using ReplaceAllUsesWith, cf X86TargetLowering::ExpandFP_TO_SINT. On the other hand, most users of MERGE_VALUES don't need this and for them the optimization was valuable. So add a new utility method getMergeValues for creating MERGE_VALUES nodes which by default performs the optimization. Change almost everywhere to use getMergeValues (and tidy some stuff up at the same time). llvm-svn: 52893
* - Re-apply 52748 and friends with fix. GetConstantStringInfo() returns an ↵Evan Cheng2008-06-308-164/+156
| | | | | | | | empty string for ConstantAggregateZero case which surprises selectiondag. - Correctly handle memcpy from constant string which is zero-initialized. llvm-svn: 52891
* Implement split and scalarize for SELECT_CC, fixing PR2504Chris Lattner2008-06-301-0/+23
| | | | llvm-svn: 52887
* Add a value range analysis that lazily computes ranges using ScalarEvolutions.Nick Lewycky2008-06-301-0/+289
| | | | llvm-svn: 52885
* Revert (52748 and friends):Anton Korobeynikov2008-06-298-129/+148
| | | | | | | | | | | | Move GetConstantStringInfo to lib/Analysis. Remove string output routine from Constant. Update all callers. Change debug intrinsic api slightly to accomodate move of routine, these now return values instead of strings. This unbreaks llvm-gcc bootstrap. llvm-svn: 52884
* Start refactoring of asmprinters: provide a TAI hook, which will select a ↵Anton Korobeynikov2008-06-281-0/+49
| | | | | | 'section kind' for a global. llvm-svn: 52868
* UnbreakAnton Korobeynikov2008-06-281-2/+2
| | | | llvm-svn: 52866
* Temporary rever invalid commitAnton Korobeynikov2008-06-282-7/+9
| | | | llvm-svn: 52865
* Move printing of module-level GVs into dedicated helperAnton Korobeynikov2008-06-282-197/+200
| | | | llvm-svn: 52864
* Use common naming conventionAnton Korobeynikov2008-06-282-4/+4
| | | | llvm-svn: 52863
* Factor out stuff into helper functionAnton Korobeynikov2008-06-282-33/+39
| | | | llvm-svn: 52862
* CleanupAnton Korobeynikov2008-06-281-6/+3
| | | | llvm-svn: 52861
* Remove X86SharedAsmPrinterAnton Korobeynikov2008-06-284-529/+487
| | | | llvm-svn: 52860
* whitespace cleanupAnton Korobeynikov2008-06-282-25/+25
| | | | llvm-svn: 52859
* Make intel asmprinter child of generic asmprinter, not x86 shared asm ↵Anton Korobeynikov2008-06-284-27/+138
| | | | | | printer. This leads to some code duplication, which will be resolved later. llvm-svn: 52858
* CleanupAnton Korobeynikov2008-06-281-10/+5
| | | | llvm-svn: 52857
* Whitespace cleanupAnton Korobeynikov2008-06-281-22/+22
| | | | llvm-svn: 52856
* Really fix the bootstrap failure.Chris Lattner2008-06-281-9/+5
| | | | llvm-svn: 52854
* Add back the capability to include nul characters in strings with Chris Lattner2008-06-282-6/+8
| | | | | | | GetConstantStringInfo. This will hopefully restore llvm-gcc to happy bootstrap land. llvm-svn: 52851
* Tighten up checking.Chris Lattner2008-06-281-4/+10
| | | | llvm-svn: 52850
* When folding a bitcast into a load or store, preserve the alignmentDan Gohman2008-06-281-2/+2
| | | | | | | information of the original load or store, which is checked to be at least as good, and possibly better. llvm-svn: 52849
* Fix GetMainExecutable. Patch by Sam Bishop.Seo Sanghyeon2008-06-271-4/+2
| | | | llvm-svn: 52847
* Looks like this condition is inverted.Evan Cheng2008-06-271-2/+2
| | | | llvm-svn: 52841
* implement some fixme's by making "autorenaming" in the value symbol table notChris Lattner2008-06-271-26/+11
| | | | | | thrash the heap with string stuff (e.g. utostr). llvm-svn: 52838
* simplify some code to avoid string thrashing.Chris Lattner2008-06-271-3/+5
| | | | llvm-svn: 52837
* Use StringSet instead of std::set<std::string>Anton Korobeynikov2008-06-273-26/+25
| | | | llvm-svn: 52836
* Add a new version of Module::getFunction that takes a const char* insteadChris Lattner2008-06-272-0/+13
| | | | | | | of a std::string. This avoids copying the string to the heap in common cases. Patch by Pratik Solanki! llvm-svn: 52834
* Add dominator info printer pass.Devang Patel2008-06-271-0/+31
| | | | llvm-svn: 52829
* Provide correct encoding for PPC LWARX instructions.Anton Korobeynikov2008-06-271-2/+2
| | | | | | Patch by Gary Benson! llvm-svn: 52828
* Reduce number of times .size() is called on a vector. Rename some variables toBill Wendling2008-06-271-16/+22
| | | | | | match normal naming scheme. llvm-svn: 52820
* Use a SmallSet when we can to reduce memory allocations.Owen Anderson2008-06-271-1/+2
| | | | | | This speeds up a particular testcase from 0.0302s to 0.0222s in LiveVariables. llvm-svn: 52819
* Cache subregister relationships in a set in TargetRegisterInfo to allow ↵Owen Anderson2008-06-271-0/+10
| | | | | | | | faster lookups. This speeds up LiveVariables from 0.6279s to 0.6165s on kimwitu++. llvm-svn: 52818
* fix the regressions from Eric's patch by making GetConstantStringInfoChris Lattner2008-06-271-29/+34
| | | | | | | tolerate a non-nul-terminated string, and handling a direct global reference. llvm-svn: 52813
* simplify this check, GetConstantStringInfo validates that aChris Lattner2008-06-271-5/+3
| | | | | | global is constant already. No functionality change. llvm-svn: 52812
* when linking globals, make sure to preserve the address space of the global.Chris Lattner2008-06-271-4/+8
| | | | llvm-svn: 52810
* Cruft left from patch revert...sorry. :-(Bill Wendling2008-06-271-3/+6
| | | | llvm-svn: 52808
* Reverting broken patch r52803.Bill Wendling2008-06-271-33/+20
| | | | llvm-svn: 52806
* Don't perform expensive queries checking for super and sub registers when we ↵Owen Anderson2008-06-271-1/+2
| | | | | | | | know that there aren't any. This speed up LiveVariables on instcombine at -O0 -g from 0.3855s to 0.3503s. Look for more improvements in this area soon! llvm-svn: 52804
* - Remove a use of std::vector.Bill Wendling2008-06-271-12/+24
| | | | | | | - Make sure that we're not recalculating the size of a vector that never changes. llvm-svn: 52803
* Refactor the DebugInfoDesc stuff out of the MachineModuleInfo file. Clean upBill Wendling2008-06-275-803/+633
| | | | | | some uses of std::vector, where it's return std::vector by value. Yuck! llvm-svn: 52800
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