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2012-12-05[msan] Initialize callbacks in runOnFunction as opposed to doInitialization.Evgeniy Stepanov
This mirrors the change in ASan & TSan done in r168864. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169378 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-05[msan] Change linkage type of __msan_track_origins.Evgeniy Stepanov
LinkOnceODRLinkage globals may be removed in GlobalOpt if not used in the current module. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169377 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-05Simplified BLEND pattern matching for shuffles.Elena Demikhovsky
Generate VPBLENDD for AVX2 and VPBLENDW for v16i16 type on AVX2. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169366 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-05RegisterPressure API. Add support for physical register units.Andrew Trick
At build-time register pressure was always computed in terms of register units. But the compile-time API was expressed in terms of register classes because it was intended for virtual registers (and physical register units weren't yet used anywhere in codegen). Now that the codegen uses physreg units consistently, prepare for tracking register pressure also in terms of live units, not live registers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169360 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-05Added RegisterPressureTracker::dump() for debugging.Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169359 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-05Comment formatting.Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169358 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-05docs: Explain plain preformatted textSean Silva
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169352 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-05fix a typoShuxin Yang
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169345 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-05Copy clang/Driver/<Option parsing stuff> to llvm.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169344 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-05docs: Sphinxify `docs/tutorial/`Sean Silva
Sorry for the massive commit, but I just wanted to knock this one down and it is really straightforward. There are still a couple trivial (i.e. not related to the content) things left to fix: - Use of raw HTML links where :doc:`...` and :ref:`...` could be used instead. If you are a newbie and want to help fix this it would make for some good bite-sized patches; more experienced developers should be focusing on adding new content (to this tutorial or elsewhere, but please _do not_ waste your time on formatting when there is such dire need for documentation (see docs/SphinxQuickstartTemplate.rst to get started writing)). - Highlighting of the kaleidoscope code blocks (currently left as bare `::`). I will be working on writing a custom Pygments highlighter for this, mostly as training for maintaining the `llvm` code-block's lexer in-tree. I want to do this because I am extremely unhappy with how it just "gives up" on the slightest deviation from the expected syntax and leaves the whole code-block un-highlighted. More generally I am looking at writing some Sphinx extensions and keeping them in-tree as well, to support common use cases that currently have no good solution (like "monospace text inside a link"). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169343 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-05Add x86 isel lowering logic to form bit test with inverted condition. e.g.Evan Cheng
x ^ -1. Patch by David Majnemer. rdar://12755626 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169339 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04Appease GCC's -Wparentheses.Matt Beaumont-Gay
(TIL that Clang's -Wparentheses ignores 'x || y && "foo"' on purpose. Neat.) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169337 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04Split up the ParseOptionalAttrs method into three different methods for eachBill Wendling
class of attributes. This makes it much easier to check for errors and to reuse the code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169336 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04LoopVectorizer: Increase the number of pointers that can be tested at ↵Nadav Rotem
runtime. If we cant prove statically that the pointers are disjoint then we add the runtime check. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169334 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04Enable if-conversion during vectorization.Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169331 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04ARM custom lower ctpop for vector types. Patch by Pete Couperus.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169325 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04Fix a bug in vectorization of if-converted reduction variables. If theNadav Rotem
reduction variable is not used outside the loop then we ran into an endless loop. This change checks if we found the original PHI. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169324 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04Speed up the AllocationOrder class a bit.Jakob Stoklund Olesen
Allow the central functions to be inlined, and use the argumentless isHint() function when possible. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169319 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04 For rdar://12329730, last piece.Shuxin Yang
This change attempts to simplify (X^Y) -> X or Y in the user's context if we know that only bits from X or Y are demanded. A minimized case is provided bellow. This change will simplify "t>>16" into "var1 >>16". ============================================================= unsigned foo (unsigned val1, unsigned val2) { unsigned t = val1 ^ 1234; return (t >> 16) | t; // NOTE: t is used more than once. } ============================================================= Note that if the "t" were used only once, the expression would be finally optimized as well. However, with with this change, the optimization will take place earlier. Reviewed by Nadav, Thanks a lot! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169317 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04Comment change made in r169304 as requested by Eric Christopher.David Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169315 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04Define store instructions with base+register offset addressing modeJyotsna Verma
using multiclass. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169314 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04Use the 'count' attribute to calculate the upper bound of an array.Bill Wendling
The count attribute is more accurate with regards to the size of an array. It also obviates the upper bound attribute in the subrange. We can also better handle an unbound array by setting the count to -1 instead of the lower bound to 1 and upper bound to 0. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169312 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04docs: Begin Sphinxification of docs/tutorial/Sean Silva
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169309 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04docs: fixup legacy HTML linkSean Silva
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169308 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04Reapply r160148 (reverted in r163570) fixing spurious breakpoints in modern GDBDavid Blaikie
This reapplies the fix for PR13303 now with more justification. Based on my execution of the GDB 7.5 test suite this results in: expected passes: 16101 -> 20890 (+30%) unexpected failures: 4826 -> 637 (-77%) There are 23 checks that used to pass and now fail. They are all in gdb.reverse. Investigating a few looks like they were accidentally passing due to extra breakpoints being set by this bug. They're generally due to the difference in end location between gcc and clang, the test suite is trying to set breakpoints on the closing '}' that clang doesn't associate with any instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169304 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04Remove a URL from codeEli Bendersky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169293 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04Make NaCl naming consistent. The triple OSType is called NaCl and is representedEli Bendersky
textually as NativeClient. Also added a link to the native client project for readers unfamiliar with it. A Clang patch will follow shortly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169291 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04Add support for reduction variables when IF-conversion is enabled. Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169288 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04Add patterns to define 'combine', 'tstbit', 'ct0/cl0' (count ↵Jyotsna Verma
trailing/leading zeros) instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169287 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04Add constant extender support to ALU32 instructions for V2.Jyotsna Verma
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169284 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04A test in thid directory was not being run because lit.local.cfg didn'tEli Bendersky
include .ll files. Fix that. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169283 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04Fix comment typo.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169282 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04This patch introduces initial-exec model support for thread-local storageBill Schmidt
on 64-bit PowerPC ELF. The patch includes code to handle external assembly and MC output with the integrated assembler. It intentionally does not support the "old" JIT. For the initial-exec TLS model, the ABI requires the following to calculate the address of external thread-local variable x: Code sequence Relocation Symbol ld 9,x@got@tprel(2) R_PPC64_GOT_TPREL16_DS x add 9,9,x@tls R_PPC64_TLS x The register 9 is arbitrary here. The linker will replace x@got@tprel with the offset relative to the thread pointer to the generated GOT entry for symbol x. It will replace x@tls with the thread-pointer register (13). The two test cases verify correct assembly output and relocation output as just described. PowerPC-specific selection node variants are added for the two instructions above: LD_GOT_TPREL and ADD_TLS. These are inserted when an initial-exec global variable is encountered by PPCTargetLowering::LowerGlobalTLSAddress(), and later lowered to machine instructions LDgotTPREL and ADD8TLS. LDgotTPREL is a pseudo that uses the same LDrs support added for medium code model's LDtocL, with a different relocation type. The rest of the processing is straightforward. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169281 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04Update release notes for NVPTXJustin Holewinski
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169280 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04Get rid of references to Tcl, DejagGNU, old test structure, discourage the useEli Bendersky
of grep in favor of FileCheck, and other cleanups. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169269 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04Remove the very out-of-date listing of "very important LLVM areas". I don'tEli Bendersky
think it adds much and keeping it up-to-date is (obviously) a chore. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169263 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04Improve MSan tests.Evgeniy Stepanov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169256 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04KillTheDoctor.cpp: Restore Win32 SDK headers before r169251.NAKAMURA Takumi
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169255 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04Clean up the sample include orderings, not that it really matters...Chandler Carruth
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169253 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04Sort the #include lines for tools/...Chandler Carruth
Again, tools are trickier to pick the main module header for than library source files. I've started to follow the pattern of using LLVMContext.h when it is included as a stub for program source files. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169252 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04Sort the #include lines for utils/...Chandler Carruth
I've tried to find main moudle headers where possible, but the TableGen stuff may warrant someone else looking at it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169251 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04Sort the #include lines for unittest/...Chandler Carruth
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169250 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04Sort the #include lines of the examples/... tree.Chandler Carruth
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169249 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04Teach the include sorter to quickly skip files with an extension thatChandler Carruth
doesn't look like it will have C++ code in it. Suggestions on a better heuristic are welcome. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169248 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04Teach the include sorter to skip files under test trees and under INPUTSChandler Carruth
trees. This allows running the input sorter on the entire clang repository cleanly now. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169247 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04Teach the include sorting script about the gtest headers; sort them withChandler Carruth
the system headers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169242 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04VMCoreTests/PassManagerTest.cpp: Appease msvc not to do "using llvm::Pass" ↵NAKAMURA Takumi
in class template. FIXME: I have not checked whether to be compiled on msvc11. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169225 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04Sort includes for all of the .h files under the 'lib' tree. These wereChandler Carruth
missed in the first pass because the script didn't yet handle include guards. Note that the script is now able to handle all of these headers without manual edits. =] git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169224 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04Give scalar if-converted blocks half the score because they are not always ↵Nadav Rotem
executed due to CF. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169223 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04Address review comments from Matt on the sort_includes.py script.Chandler Carruth
1) Teach it to handle files with #include on the first line -- these do actually exist in LLVM. 2) Support llvm-c and clang-c include projects. 3) Nuke some stail imports. 4) Switch to using os.path to split the file extension off. 5) Remove debugging leftovers. 6) Add docstring (a really puny one) for the sort function. I'm continuing te avoid stripping the whitespace on the RHS to preserve whatever newline characters happen to be in the original file. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169222 91177308-0d34-0410-b5e6-96231b3b80d8
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