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2013-11-23fix phi constantsAlon Zakai
2013-11-23handle dependencies and cycles in phisAlon Zakai
2013-11-23split out cast and non-cast versions of getValueAsStrAlon Zakai
2013-11-22align stack to 8 bytesAlon Zakai
2013-11-22sextAlon Zakai
2013-11-22truncAlon Zakai
2013-11-22support 8-bit constantsAlon Zakai
2013-11-22ir debugger helperAlon Zakai
2013-11-22make assert show something even in release buildsAlon Zakai
2013-11-22fix relooper branch directionsAlon Zakai
2013-11-22set asm mode in relooper and add label varAlon Zakai
2013-11-22Math.imulAlon Zakai
2013-11-22native phi pushingAlon Zakai
2013-11-22preparation for phi pushingAlon Zakai
2013-11-22update relooper and fix indentation and empty linesAlon Zakai
2013-11-22more mathopsAlon Zakai
2013-11-22fix getOpName - we have no problem with forward refsAlon Zakai
2013-11-22more debug infoAlon Zakai
2013-11-22note each instruction in a debug messageAlon Zakai
2013-11-22fail on invalid getOpName valuesAlon Zakai
2013-11-22improve pre-relooper branch parsingAlon Zakai
2013-11-22remove phi printing code, in preparation for pushing them back into branchesAlon Zakai
2013-11-21fix mathop return typeAlon Zakai
2013-11-21fix sitofp return typeAlon Zakai
2013-11-21fix sitofp castAlon Zakai
2013-11-21merge in CppBackend workAlon Zakai
2013-11-21do not expand tlsAlon Zakai
2013-11-21keep alignment infoAlon Zakai
2013-11-21align varargs stack writes to the proper 4-byte boundariesAlon Zakai
2013-11-21disable pnacl internalization of everything except for _start, as emscripten ↵Alon Zakai
supports arbitrary entry points
2013-11-21readme.txt with repo source infoAlon Zakai
2013-11-21Clean up handling of PNaCl bitcode headers.Karl Schimpf
Write out all of PNaCl bitcode headers using a single interface function. BUG= https://code.google.com/p/nativeclient/issues/detail?id=3720 R=jvoung@chromium.org Review URL: https://codereview.chromium.org/61753017
2013-11-21Remove PUSH_URL_CONFIG from codereview.settingsDerek Schuff
As it turns out Rietveld isn't smart enough to detect that the configured origin URL is different from the origin URL of the checkout, it just blindly changes the pushinsteadof URL. This means there's no way to make it play nicely with clients with different origin URLs, so rather than force everyone to change their URLs to the new one we'll just remove the config, which will keep it from breaking people. TBR=kschimpf@google.com BUG=none Review URL: https://codereview.chromium.org/81343002
2013-11-21Switch Rietveld origin URL from git.chromium.org toDerek Schuff
chromium.googlesource.com This should prevent git cl from mangling git's pushinsteadof config on checkouts cloned by toolchain_build.py. It should also cause git cl to update everyone's checkouts to the new origin URL. TBR=kschimpf@google.com BUG=none Review URL: https://codereview.chromium.org/77723014
2013-11-21Fixes the modeling of type ids within PNaCl bitcode files.Karl Schimpf
The code previously was very inconsisted in modeling the number of bits needed for type ids within abbreviations. Frequently, the number of bits used was based on the total number of types. This is a bad choice in that this includes all function types, even though most cases do not use these types. This patch makes the selection more consistent. Also removing TYPE_CODE_ARRAY, since it is not allowed. BUG= https://code.google.com/p/nativeclient/issues/detail?id=3720 R=jvoung@chromium.org Review URL: https://codereview.chromium.org/68503018
2013-11-21Define comparison for PNaCl bitcode abbreviations.Karl Schimpf
Define comparison of bitcode abbreviations so that we can add bitcode abbreviations to collections. BUG= https://code.google.com/p/nativeclient/issues/detail?id=3720
2013-11-20pnacl-benchmark - an ad-hoc tool to benchmark PNaCl translation-related stuff.Eli Bendersky
For now benchmarks reading/parsing/LLVM IR forming from PNaCl bitcode BUG=None R=stichnot@chromium.org Review URL: https://codereview.chromium.org/76973002
2013-11-20Remove UseRelativeID branching from NaClBitcodeReader, assume true.Jan Voung
This was kept in upstream LLVM for backwards compatibiilty with version 0 bitcode, but PNaCl only accepts version 1 bitcode, so UseRelativeID is always true. This reduces the number of branches taken while llvm-dis'ing the Ogre SampleBrowser from 2,680,184,988 branches to 2,670,798,955 branches. A 2.5% difference in wall-clock time... BUG=none trybots: http://chromegw.corp.google.com/i/tryserver.nacl/builders/nacl-toolchain-linux-pnacl-x86_32/builds/939 http://chromegw.corp.google.com/i/tryserver.nacl/builders/nacl-toolchain-linux-pnacl-x86_64/builds/991 http://chromegw.corp.google.com/i/tryserver.nacl/builders/nacl-toolchain-mac-pnacl-x86_32/builds/933 R=mseaborn@chromium.org Review URL: https://codereview.chromium.org/77023007
2013-11-15PNaCl: Change exception info format to distinguish catch-all/cleanup clausesMark Seaborn
The initial version of ExceptionInfoWriter.cpp encodes a landingpad's "cleanup" clause the same as "catch i8* null" (a catch-all). But it turns out we do want to distinguish these two: If an uncaught exception occurs, we don't want the runtime to run C++ destructors (cleanups), because this involves unwinding the stack to jump to landingpads, which loses the context of where the uncaught exception was thrown from, which is unhelpful for debugging. (The C++ standard says it's optional whether destructors are run when an uncaught exception occurs.) So, change the encoding as follows: * Use 0 as the ID for "cleanup" clauses. * Add 1 to the IDs of types and "catch" clauses. (Adding 1 to both seems neater than just one of them.) * This means we can use 0 for the terminator of filter lists instead of -1, which seems a little neater. This requires a corresponding change to eh_pnacl.cc in libsupc++. BUG=https://code.google.com/p/nativeclient/issues/detail?id=3696 TEST=NaCl's EH tests with libsupc++ change applied Review URL: https://codereview.chromium.org/69923008
2013-11-15Make integer promotion pass preserve debug infoDerek Schuff
Just copy the debug info from the original instructions to newly-created instructions. R=mseaborn@chromium.org BUG=none Review URL: https://codereview.chromium.org/60353015
2013-11-15Switch PromoteIntegers pass from clearing upper bits after converted operationsDerek Schuff
that may affect them, to clearing before operations that may be affected This is just a cleanup that doesn't have any significant performance or functionality impact, but I thought it might make fixing bug 3714 a bit simpler. R=mseaborn@chromium.org BUG= https://code.google.com/p/nativeclient/issues/detail?id=3714 Review URL: https://codereview.chromium.org/59533011
2013-11-08Add some temporary diagnostics to GetCurrentDirectory to diagnose mac failuresJan Voung
Some users are reporting Mac assertion errors while linking: Assertion failed: (false && "Could not query current working directory."). Add a perror() call to see what errno is when this fails. BUG=none R=dschuff@chromium.org Review URL: https://codereview.chromium.org/66653003
2013-11-07Factor out bitcode parser from pnacl-bcanalyzer.Karl Schimpf
Factors out bitcode parser from pnacl-bcanalyzer, so that it can also be used for PNaCl bitcode to bitcode rewriters. BUG= https://code.google.com/p/nativeclient/issues/detail?id=3720 R=jvoung@chromium.org Review URL: https://codereview.chromium.org/48623003
2013-10-30Move global FlagSfi variables to common modulePetar Jovanovic
When built as nexe, llc is configured and built for one arch only. Variables FlagSfiData, FlagSfiLoad, FlagSfiStore, FlagSfiStack, and FlagSfiBranch have to availabe for MIPS as well, so this change moves them from ARM-only code to common code. BUG= building pnacl-llc.nexe for MIPS fails TEST= build sandboxed tools for MIPS R=mseaborn@chromium.org Review URL: https://codereview.chromium.org/46193002
2013-10-29PNaCl: Add option to PNaClABISimplify for enabling the PNaClSjLjEH passMark Seaborn
Making this an 'enable' option (rather than using the pass name, "-pnacl-sjlj-eh") will allow us to reorder the passes within PNaClABISimplify.cpp later without having to change pnacl-ld.py (which lives outside the pnacl-llvm repo). It also means that the option can turn off LowerInvoke, which might reduce the link time a little. BUG=https://code.google.com/p/nativeclient/issues/detail?id=3696 TEST=tested with PNaCl-side plumbing in pnacl-ld.py etc. Review URL: https://codereview.chromium.org/33743010
2013-10-24Remove the PNaClDeveloperGuide doc from docs/ - it's now in the Chromium repoEli Bendersky
BUG=None R=dschuff@chromium.org Review URL: https://codereview.chromium.org/40843002
2013-10-23Remove obsolete bitcode wrapper codeDerek Schuff
We are using our own bitcode reader now, and no longer need this. R=jvoung@chromium.org, kschimpf@google.com BUG=cleanup Review URL: https://codereview.chromium.org/32943005
2013-10-22Make sure flatten globals doesn't insert uses of globals that previously had ↵JF Bastien
no uses. This was the deeper cause of the issues I fixed in https://codereview.chromium.org/33233002/ and is therefore a better fix. (The problem was that StripDeadPrototypes was not stripping a variable that was actually dead because the bitcast constexpr inserted by FlattenGlobals referred to it.) I reverted most of that CL's changes, though not the comment and test cleanup. R=dschuff@chromium.org TEST= pnacl-clang++ pnacl/git/libcxx/test/input.output/iostream.objects/narrow.stream.objects/clog.pass.cpp -stdlib=libc++ Review URL: https://codereview.chromium.org/34843003
2013-10-21Remove unused globals.JF Bastien
libc++'s iostream values are extern, and never actually used in the headers (unlike libstdc++'s) which means that including iostream and doing something like (void)std::clog used to leave a global external ostream object declaration without a definition, which cause PNaCl's module ABI verifier to fail ('has no initializer' and 'is not a valid external symbol'). R=dschuff@chromium.org BUG= http://code.google.com/p/nativeclient/issues/detail?id=3623 TEST= globalcleanup.ll Review URL: https://codereview.chromium.org/33233002
2013-10-16Add PNaClSjLjEH pass to implement C++ exception handling using ↵Mark Seaborn
setjmp()+longjmp() There are two parts to this: * PNaClSjLjEH.cpp expands out the "invoke", "landingpad" and "resume" instructions, modifying the control flow to use setjmp(). * ExceptionInfoWriter.cpp lowers landingpads' clause lists to data that PNaCl's C++ runtime library will interpret. This part will be reused when we drop the SjLj part and create a stable ABI for zero-cost EH. This pass isn't enabled in PNaClABISimplify yet: I'll do that in a separate change. BUG=https://code.google.com/p/nativeclient/issues/detail?id=3696 TEST=*.ll tests (also tested end-to-end: plumbing for this will follow later) Review URL: https://codereview.chromium.org/24777002
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