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* Remove extra blank line.Brian Gaeke2003-10-171-1/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9196 91177308-0d34-0410-b5e6-96231b3b80d8
* Do not crash on empty structuresChris Lattner2003-10-171-0/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9195 91177308-0d34-0410-b5e6-96231b3b80d8
* Tighten up handling of checks for shift instructionsChris Lattner2003-10-171-2/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9191 91177308-0d34-0410-b5e6-96231b3b80d8
* Eliminate some extraneous code in SlotCalculator::insertVal().Alkis Evlogimenos2003-10-178-106/+103
| | | | | | | | | | Rename SlotCalculator::getValSlot() to SlotCalculator::getSlot(), SlotCalculator::insertValue() to SlotCalculator::getOrCreateSlot(), SlotCalculator::insertVal() to SlotCalculator::insertValue(), and SlotCalculator::doInsertVal() to SlotCalculator::doInsertValue(). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9190 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix typo in comment.Brian Gaeke2003-10-161-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9187 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a typo in a comment, and zap a blank line.Brian Gaeke2003-10-161-2/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9184 91177308-0d34-0410-b5e6-96231b3b80d8
* Add separator between different types of readers.Misha Brukman2003-10-161-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9183 91177308-0d34-0410-b5e6-96231b3b80d8
* JIT.cpp:Misha Brukman2003-10-162-5/+7
| | | | | | | | | | | | | * #include "llvm/ModuleProvider" * alphabetize #includes * omit extraneous parens in pointer expressions VM.cpp: * #include "llvm/ModuleProvider" * alphabetize #includes git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9182 91177308-0d34-0410-b5e6-96231b3b80d8
* * Reorder includes as per the style guideMisha Brukman2003-10-161-6/+22
| | | | | | | | | * Move the constructors from .h file here * Document ExecutionEngine::create() * Catch exception possibly thrown by ModuleProvider::releaseModule() git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9181 91177308-0d34-0410-b5e6-96231b3b80d8
* Minor cleanupsChris Lattner2003-10-161-30/+28
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9177 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for 'weak' linkage.Chris Lattner2003-10-169-22/+117
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9171 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for 'weak' linkage.Chris Lattner2003-10-162-4/+25
| | | | | | | | | For now, we translate linkonce into weak linkage in the bytecode format because we don't have enough bits to represent it. We will rev the bytecode version soon anyways, so this will be fixed in the near future. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9170 91177308-0d34-0410-b5e6-96231b3b80d8
* Completely rewrite support for the Value::use_* list. Now, all operations onChris Lattner2003-10-161-37/+11
| | | | | | | | | | | | | | | | | | | | this list (except use_size()) are constant time. Before the killUse method (used whenever something stopped using a value) was linear time, and thus very very slow for large programs. This speeds GCCAS up _substantially_ on large programs: almost 2x for 176.gcc: 176.gcc: 77.07s -> 37.38s 177.mesa: 7.59s -> 5.57s 252.eon: 21.02s -> 19.52s (*) 253.perlbmk: 11.40s -> 13.05s 254.gap: 7.25s -> 7.42s 252.eon would speed up a whole lot more, but optimization time is being dominated by the inlining pass, which needs to be fixed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9160 91177308-0d34-0410-b5e6-96231b3b80d8
* This code does not require random access use_listsChris Lattner2003-10-161-7/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9156 91177308-0d34-0410-b5e6-96231b3b80d8
* Eliminate using declarationChris Lattner2003-10-161-29/+35
| | | | | | | Rewrite code to work with use_lists what are either random access or bidirectional git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9155 91177308-0d34-0410-b5e6-96231b3b80d8
* #include vector which we will need here soonChris Lattner2003-10-152-0/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9144 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix up error message.Brian Gaeke2003-10-151-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9139 91177308-0d34-0410-b5e6-96231b3b80d8
* Decrease usage of use_size()Chris Lattner2003-10-1512-25/+25
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9135 91177308-0d34-0410-b5e6-96231b3b80d8
* CleanupChris Lattner2003-10-151-5/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9133 91177308-0d34-0410-b5e6-96231b3b80d8
* Generalize abstract interpreter interface to allow linking in an arbitrary ↵Chris Lattner2003-10-141-18/+23
| | | | | | number of shared objects git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9129 91177308-0d34-0410-b5e6-96231b3b80d8
* Order #includes as per the style guide.Misha Brukman2003-10-141-3/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9128 91177308-0d34-0410-b5e6-96231b3b80d8
* Enabling incremental bytecode loading in the JIT:Misha Brukman2003-10-141-3/+10
| | | | | | | | * FunctionPassManager ctor now takes in a ModuleProvider * run() materializes function before running passes on it git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9126 91177308-0d34-0410-b5e6-96231b3b80d8
* Enabling incremental bytecode loading in the JIT:Misha Brukman2003-10-144-9/+17
| | | | | | | * The VM is now constructed with a ModuleProvider git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9125 91177308-0d34-0410-b5e6-96231b3b80d8
* Enabling incremental bytecode loading in the JIT:Misha Brukman2003-10-141-4/+5
| | | | | | | * ExecutionEngine and VM can be constructed using a ModuleProvider. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9124 91177308-0d34-0410-b5e6-96231b3b80d8
* Substantial cleanups:Chris Lattner2003-10-141-28/+35
| | | | | | | | | | | | | | * Add header comment * Remove extraneous #includes * Move the FileType enum into the GCC class * The GCC class is not virtual. * Move all of the "constructor" functions into the classes themselves * Stop using cl::list as arguments, use std::vector instead (which cl::list derives from) * Improve comments git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9121 91177308-0d34-0410-b5e6-96231b3b80d8
* Actually return an error if something bad happens, don't just exit.Chris Lattner2003-10-141-5/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9119 91177308-0d34-0410-b5e6-96231b3b80d8
* Output a contorted sequence of instructions to make sure that we don't accessChris Lattner2003-10-141-8/+20
| | | | | | | off the bottom of the stack. This fixes PR#41 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9114 91177308-0d34-0410-b5e6-96231b3b80d8
* Disable the leaf function optimization, which is apparently not legal onChris Lattner2003-10-141-25/+2
| | | | | | | | | X86/linux. :( The problem is that a signal delivered while the function is executing could clobber the functions stack. This is a partial fix for PR41. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9113 91177308-0d34-0410-b5e6-96231b3b80d8
* Do not move variable sized allocations to the top of the caller, which mightChris Lattner2003-10-141-7/+5
| | | | | | | | | break dominance relationships, and is otherwise bad. This fixes bug: Inline/2003-10-13-AllocaDominanceProblem.ll. This also fixes miscompilation of 3 176.gcc source files (reload1.c, global.c, flow.c) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9109 91177308-0d34-0410-b5e6-96231b3b80d8
* Do not allow fallthroughs in switch statements. This fixes PR37,Chris Lattner2003-10-132-2/+6
| | | | | | | 253.perlbmk, and test/Programs/SingleSource/UnitTests/2003-10-13-SwitchTest.c! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9101 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove WordsEmitted statistic; there's already a non-backend-specificBrian Gaeke2003-10-131-3/+10
| | | | | | | | | jello statistic for this (just divide #-bytes-of-code-emitted by 4). Rewrite head-of-file comment. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9098 91177308-0d34-0410-b5e6-96231b3b80d8
* LLI no longer has -abort-on-exceptionChris Lattner2003-10-131-1/+0
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* Use the autoconf macro John wroteChris Lattner2003-10-132-12/+6
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* Whoops, we inserted into the wrong set. What's up with the dead set anyway?Chris Lattner2003-10-131-4/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9094 91177308-0d34-0410-b5e6-96231b3b80d8
* Use external df iterators to avoid revisiting blocks in functions withChris Lattner2003-10-131-1/+3
| | | | | | | multiple setjmp calls. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9093 91177308-0d34-0410-b5e6-96231b3b80d8
* Make use of "external" depth-first iterators to avoid revisiting nodesChris Lattner2003-10-131-3/+3
| | | | | | | | multiple times. This reduces the time to construct post-dominance sets a LOT. For example, optimizing perlbmk goes from taking 12.9894s to 1.4074s. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9091 91177308-0d34-0410-b5e6-96231b3b80d8
* Stop using "reverse depth first" orderChris Lattner2003-10-132-12/+6
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* Minor cleanupsChris Lattner2003-10-131-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9079 91177308-0d34-0410-b5e6-96231b3b80d8
* Speed up TypesEqual by specializing it for all of the derived types, avoidingChris Lattner2003-10-131-15/+33
| | | | | | | a lot of virtual method dispatch overhead. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9078 91177308-0d34-0410-b5e6-96231b3b80d8
* Avoid calling getTypeSlot moreChris Lattner2003-10-133-4/+9
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* Avoid creating lots of pointless opaque types, with short lifetimesChris Lattner2003-10-131-22/+37
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9076 91177308-0d34-0410-b5e6-96231b3b80d8
* This is a header file, hear me roarChris Lattner2003-10-131-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9075 91177308-0d34-0410-b5e6-96231b3b80d8
* * Remove extraneous #includesChris Lattner2003-10-131-7/+9
| | | | | | | | | | | | * Fix a nasty initializer ordering bug. Any only-CFG passes which registered themselves before the CFGOnlyAnalysis vector initialized got forgotten and thus got invalidated and recomputed. In particular, in my compiled version of gccas, the Loop information pass was being recomputed unnecessarily. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9074 91177308-0d34-0410-b5e6-96231b3b80d8
* Wrap code at 80 columnsChris Lattner2003-10-131-6/+10
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* This is a header file, thus it needs a -*-C++-*-Chris Lattner2003-10-131-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9072 91177308-0d34-0410-b5e6-96231b3b80d8
* Regularize header file commentsChris Lattner2003-10-1344-94/+81
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* Regularize header file comment, eliminate using'sChris Lattner2003-10-131-22/+20
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9069 91177308-0d34-0410-b5e6-96231b3b80d8
* Minor cleanupsChris Lattner2003-10-131-5/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9067 91177308-0d34-0410-b5e6-96231b3b80d8
* Checkin an improvement contributed by Bill:Chris Lattner2003-10-131-6/+30
| | | | | | | | | | | | Only transform call sites in a setjmp'ing function which are reachable from the setjmp. If the call dominates the setjmp (for example), the called function cannot longjmp to the setjmp. This dramatically reduces the number of invoke instructions created in some large testcases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9066 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support to the loop canonicalization pass to make it transform loops toChris Lattner2003-10-131-21/+163
| | | | | | | | | have a SINGLE backedge. This is useful to, for example, the -indvars pass. This implements testcase LoopSimplify/single-backedge.ll and closes PR#34 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9065 91177308-0d34-0410-b5e6-96231b3b80d8
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