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2004-05-12Fix grammar: remove `the' before LLVM.Misha Brukman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13496 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-12* Make the document format follow the stringent purple standards (like the restMisha Brukman
of the documentation) * Do not make the link text be the link itself, use some keywords * Make doc use stylesheets and HTML markup for lists instead of definitions * Shorten page by not making multiple lines per link with description + link of the same name as the target git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13495 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-12Pass boolean constants into function calls more efficiently, generating:Chris Lattner
mov DWORD PTR [%ESP + 4], 1 instead of: mov %EAX, 1 mov DWORD PTR [%ESP + 4], %EAX git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13494 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-12Do not pass in the same argument to the extracted function more than once, andChris Lattner
give the extracted function a more useful name than just foo_code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13493 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-12Check to see if all blocks are extractible first.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13491 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-12Implement support for code extracting basic blocks that have a returnChris Lattner
instruction in them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13490 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-12Implement splitting of PHI nodes, allowing block extraction of BB's that haveChris Lattner
PHI node entries from multiple outside-the-region blocks. This also fixes extraction of the entry block in a function. Yaay. This has successfully block extracted all (but one) block from the score_move function in obsequi (out of 33). Hrm, I wonder which block the bug is in. :) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13489 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-12* Pull some code out into the definedInRegion/definedInCaller methodsChris Lattner
* Add a stub for the severSplitPHINodes which will allow us to bbextract bb's with PHI nodes in them soon. * Remove unused arguments from findInputsOutputs * Dramatically simplify the code in findInputsOutputs. In particular, nothing really cares whether or not a PHI node is using something. * Move moveCodeToFunction to after emitCallAndSwitchStatement as that's the order they get called. * Fix a bug where we would code extract a region that included a call to vastart. Like 'alloca', calls to vastart must stay in the function that they are defined in. * Add some comments. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13482 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-12Generate substantially better code when there are a limited number of exitsChris Lattner
from the extracted region. If the return has 0 or 1 exit blocks, the new function returns void. If it has 2 exits, it returns bool, otherwise it returns a ushort as before. This allows us to use a conditional branch instruction when there are two exit blocks, as often happens during block extraction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13481 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-12Two minor improvements:Chris Lattner
1. Get rid of the silly abort block. When doing bb extraction, we get one abort block for every block extracted, which is kinda annoying. 2. If the switch ends up having a single destination, turn it into an unconditional branch. I would like to add support for conditional branches, but to do this we will want to have the function return a bool instead of a ushort. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13478 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-12Don't leave dead bytecode.output files around if the optimizer/block ↵Chris Lattner
extractor crashes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13477 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-12This file has been superseded by docs/index.html .Misha Brukman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13476 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-12Implement the final missing bits for block extractor support. Now bugpointChris Lattner
can extract basic blocks up to the limit of the block extractor implementation. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13475 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-12Add link to Valgrind.Misha Brukman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13472 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-11Implement basic block extraction for the miscompilation debugger. This ↵Chris Lattner
still needs two things: the FIXME in ExtractBlocks needs to be implemented, and the basic block extractor itself needs to have enough bugs fixed for this to be more or less useful. Until the time that this is generally useful, it is hidden behind the new bugpoint -enable-block-extraction option. I hope to get the FIXME done tonight. Also of note, this patch adds a -extract-bbs option to bugpoint which can be used to debug the block extractor. (hint hint Misha :) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13471 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-11A class that is meant to be a base class should have a virtual destructorChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13470 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-11Add a note to make sure the program is memory correctChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13464 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-11Added obsequi.John Criswell
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13462 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-11Use inttypes.h, which exists on all of Linux, Solaris and Darwin.Brian Gaeke
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13461 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-11Unbreak the build on X86.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13460 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-11Squash warnings on Solaris/sparc... the test suite is not working for me so IBrian Gaeke
can't be sure if these are OK, but they look OK. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13459 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-11Do not hardcode the name of gcc, because its full pathname may have beenBrian Gaeke
specified by top-level configure git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13458 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-11Do not depend on the path to bashBrian Gaeke
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13457 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-11Include <sys/types.h> to get the definition of int64_t on Solaris.Brian Gaeke
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13456 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-10Switch this from using an std::map to using a DenseMap. This speeds upChris Lattner
phi-elimination from 0.6 to 0.54s on kc++. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13454 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-10Use a new VRegPHIUseCount to compute uses of PHI values by other phi valuesChris Lattner
in the basic block being processed. This fixes PhiElimination on kimwitu++ from taking 105s to taking a much more reasonable 0.6s (in a debug build). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13453 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-10Now that we use an ilist of machine instructions, iterators are more robustChris Lattner
than before. Because this is the case, we can compute the first non-phi instruction once when de-phi'ing a block. This shaves ~4s off of phielimination of _Z7yyparsev in kimwitu++ from 109s -> 105s. There are still much more important gains to come. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13452 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-10Fix a fairly serious pessimizaion that was preventing us from efficientlyChris Lattner
compiling things like 'add long %X, 1'. The problem is that we were switching the order of the operands for longs even though we can't fold them yet. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13451 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-10Bug fixedChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13450 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-10Patch to fix PR337. Make sure to mark all aliased physical registers as usedChris Lattner
when we see a read of a register. This is important in cases like: AL = ... AH = ... = AX The read of AX must make both the AL and AH defs live until the use. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13444 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-10Testcase for PR337, which was reduced by Reid Spencer.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13443 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-09Bug 178 FixedReid Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13442 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-09Changes to make the Stacker Stack use 64 bit values. This *should* getReid Spencer
around the problem with Stacker on Solaris because the Stack can handle 64-bit entries (pointer sized). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13441 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-09Fix some comments, avoid sign extending booleans when zero extend works fineChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13440 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-09Generate more efficient code for casting booleans to integers (no sign ↵Chris Lattner
extension required) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13439 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-09syntactically loopify natural loops so that the GCC loop optimizer can find ↵Chris Lattner
them. This should *dramatically* improve the performance of CBE compiled code on targets that depend on GCC's loop optimizations (like PPC) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13438 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-09Do not emit prototypes for setjmp/longjmp, as they are handled speciallyChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13437 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-09Fine grainify namespacificationChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13436 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-09Make the floating point constant pools local to each function, split theChris Lattner
FindUsedTypes manipulation stuff out to be a seperate pass, and make the main CWriter be a function pass now! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13435 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-09Bug fixed.Brian Gaeke
Rewrite portability intro. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13434 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-09Get this looking more like a function pass.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13433 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-09Implement the AddPrototypes methodChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13432 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-09Add support for inserting all prototypes up-frontChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13431 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-09Print all PHI copies for successor blocks before the terminator, whether it ↵Chris Lattner
be a conditional branch or switch. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13430 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-08Fix stupid bug in my checkin yesterdayChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13429 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-08Fixed up sched graph.Tanya Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13428 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-08Registering the ModuloScheduling pass.Tanya Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13427 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-08Changed CPUResource to allow access to max num users for a resource.Tanya Lattner
Also added ModuloScheduling as a friend. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13426 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-08Changed CPUResource to allow access to maxnum users.Tanya Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13425 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-08Updating my versions of ModuloScheduling in cvs. Still not complete.Tanya Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13424 91177308-0d34-0410-b5e6-96231b3b80d8
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