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2011-12-12When computing reverse-CFG reverse-post-order, skip backedges, asDan Gohman
detected in the forward-CFG DFS. This prevents the reverse-CFG from visiting blocks inside loops after blocks that dominate them in the case where loops have multiple exits. No testcase, because this fixes a bug which in practice only shows up in a full optimizer run, due to the use-list order. This fixes rdar://10422791 and others. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146408 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-12XOP instructions and encoding tests.Jan Sjödin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146407 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-12Add a postOffset() alignment argument.Jakob Stoklund Olesen
This computes the offset of the layout sucessor block, considering its alignment as well. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146401 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-12Fix typo.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146400 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-12XOP encoding bits and logic.Jan Sjödin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146397 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-12Also set the proper alignment on inner islands and the function itself.Jakob Stoklund Olesen
Downgrade the alignment of the initial constant island when constant pool entries are moved elsewhere. This is all gated by -arm-align-constant-islands. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146391 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-12Add a TODO comment.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146389 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-12llvm-config: Default to "all" if no components are specified.Daniel Dunbar
- Fixes PR11530. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146388 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-12Fix a copy+pasto in a comment.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146385 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-12Use getArgOperand instead of getOperand on a call.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146384 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-12Inline SetSeqToRelease into its only caller, since it's more clear that way.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146383 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-12Make MF a class member instead of passing it around everywhere.Jakob Stoklund Olesen
Also add an MCP member pointing to the machine constant pool. No functional change intended. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146382 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-12Fix omitted break statements in a switch.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146380 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-12[asan] use .preinit_array only on linuxKostya Serebryany
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146379 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-12Revert r146363 to allow buildbots to make forward progress.Chad Rosier
Original commit message: Support/FileSystem: Implement canonicalize. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146378 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-12Add support for gnu_indirect_function.Roman Divacky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146377 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-12Add a -arm-align-constant-islands flag, default off.Jakob Stoklund Olesen
Order constant pool entries by descending alignment in the initial island to ensure packing and correct alignment. When the command line flag is set, also align the basic block containing the constant pool entries. This is only a partial implementation of constant island alignment. More to come. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146375 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-12Extract a method.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146374 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-12cmake: work with CMake < 2.8.5Dylan Noblesmith
CMake versions 2.8.4 and earlier were giving this error since r146323: "string end index: -1 is out of range 0 - 6" Passing -1 as the length of the desired substring was a new feature added in CMake 2.8.5: http://www.cmake.org/Bug/view.php?id=10740 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146372 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-12Manually upgrade the test suite to specify the flag to cttz and ctlz.Chandler Carruth
I followed three heuristics for deciding whether to set 'true' or 'false': - Everything target independent got 'true' as that is the expected common output of the GCC builtins. - If the target arch only has one way of implementing this operation, set the flag in the way that exercises the most of codegen. For most architectures this is also the likely path from a GCC builtin, with 'true' being set. It will (eventually) require lowering away that difference, and then lowering to the architecture's operation. - Otherwise, set the flag differently dependending on which target operation should be tested. Let me know if anyone has any issue with this pattern or would like specific tests of another form. This should allow the x86 codegen to just iteratively improve as I teach the backend how to differentiate between the two forms, and everything else should remain exactly the same. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146370 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-12Add an explicit test of the auto-upgrade functionality for the newChandler Carruth
intrinsic syntax. Now that this is explicitly covered, I plan to upgrade the existing test suite to use an explicit immediate. Note that I plan to specify 'true' in most places rather than the auto-upgraded value as that is the far more common value to end up here as that is the value coming from GCC's builtins. The only place I'm likely to put a 'false' in is when testing x86 which actually has different instructions for the two variants. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146369 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-12Don't rely in there being one argument before we've actually identifiedChandler Carruth
a function to upgrade. Also, simplify the code a bit at the expense of one line. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146368 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-12Support/FileSystem: Implement bool equivalent(file_status A, file_status B);Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146364 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-12Support/FileSystem: Implement canonicalize.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146363 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-12Support/Windows: Cleanup scoped handles.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146362 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-12Update the LangRef documentation for llvm.ctlz and llvm.cttz to specifyChandler Carruth
the behavior with the newly added flag for undefined results on a zero input. I'm terrible at documentation, so comments and suggestions welcome here. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146361 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-12Teach the verifier to reject all non-constant arguments to the secondChandler Carruth
argument of the cttz and ctlz intrinsics. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146360 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-12Switch llvm.cttz and llvm.ctlz to accept a second i1 parameter whichChandler Carruth
indicates whether the intrinsic has a defined result for a first argument equal to zero. This will eventually allow these intrinsics to accurately model the semantics of GCC's __builtin_ctz and __builtin_clz and the X86 instructions (prior to AVX) which implement them. This patch merely sets the stage by extending the signature of these intrinsics and establishing auto-upgrade logic so that the old spelling still works both in IR and in bitcode. The upgrade logic preserves the existing (inefficient) semantics. This patch should not change any behavior. CodeGen isn't updated because it can use the existing semantics regardless of the flag's value. Note that this will be followed by API updates to Clang and DragonEgg. Reviewed by Nick Lewycky! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146357 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-12re-enable unittestDylan Noblesmith
Accidentally left out since r145214/r145217. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146356 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-12ExecutionEngine: refactor interfaceDylan Noblesmith
The OptLevel is now redundant with the TargetMachine*. And selectTarget() isn't really JIT-specific and could probably get refactored into one of the lower level libraries. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146355 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-11Remove some remants of the old palign pattern fragment that were still ↵Craig Topper
hanging around. Also remove a cast from inside getShuffleVPERM2X128Immediate and getShuffleVPERMILPImmediate since the only caller already had done the cast. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146344 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-11Fixed bug 9905: Failure in code selection for llvm intrinsics sqrt/exp (fix ↵Stepan Dyatkovskiy
for FSQRT, FSIN, FCOS, FPOWI, FPOW, FLOG, FLOG2, FLOG10, FEXP, FEXP2). Third attempt: simplified checks in test for armv7-apple-darwin11. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146341 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-11Mips: Don't create a dangling IR function just to get the address of a symbol.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146340 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-11llvm/CMakeLists.txt: Fix LLVM_LIT_TOOLS_DIR since r143728. Cygwin does not ↵NAKAMURA Takumi
need optional tools dir. MSVC and mingw may need one. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146339 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-11Also remove unnecessary includes from this file, which was supposed to be partNick Lewycky
of r146334! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146338 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-10Minimize #include's and forward-declares in Target.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146335 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-10Refactor the implementation of the TargetOptions out of TargetMachine, takingNick Lewycky
the only parts of TM that depends on CodeGen headers with it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146334 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-10Don't assume things about the exact details of the LLVM version number,Chandler Carruth
such as what VCS information is attached. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146333 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-10Revert associate SelectInsertValue test as well.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146332 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-10[fast-isel] SelectInsertValue seems to be causing miscompiles for ARM. ↵Chad Rosier
Disable while I investigate. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146331 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-10Revert r146322 to appease buildbots. Original commit message:Chad Rosier
Fixed bug 9905: Failure in code selection for llvm intrinsics sqrt/exp (fix for FSQRT, FSIN, FCOS, FPOWI, FPOW, FLOG, FLOG2, FLOG10, FEXP, FEXP2). Second attempt. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146328 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-10Typo.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146327 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-10Use a simpler and more reliable command for converting from HEAD toChandler Carruth
commit-ish. Funny thing, they have a command designed for this. ;] git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146325 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-10Teach the VCS detection to set some root-level variables with the rawChandler Carruth
revision and git commit data extracted. This will be used in the Clang CMake build to avoid trying to re-detect the information. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146324 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-10At the request of Michael Spencer, make the VCS version detection logicChandler Carruth
in CMake a bit more handy. Previously we would get such charming versions as the following for revision NNNN and commit-ish XXXXX: 3.1svnsvn-rNNNN 3.1svngit-svn-rNNNN 3.1svngit-svn-XXXXX The mechanism selecting betwene the latter two was particularly odd, and didn't work with all of the ways git-svn repos are set up apparently. It also misses an important point -- both the revision *and* the git commit might be relevant when working on a local branch some distance from mainline. The new logic does several things: 1) It strips the redundant initial 'svn'. 2) It always looks for a git-svn revision number base, and when found includes it in the version. 3) If the git commit-ish for the current HEAD is not exactly that revision number, it is also included. The resulting strings should roughly be: 3.1svn-rNNNN 3.1git-svn-rNNNN 3.1git-svn-rNNNN-XXXXX Suggestions on formatting etc always welcome. =] I've only looked at the LLVM version string here, not Clang's (yet). Note that the commit-ish reported is *not* terribly accurate. It updates when 'cmake' is run, not when the binary is built. Still, it may be better than nothing, especially if people have fairly long-lived git repos and branches. This is not a new limitation, just didn't want anyone to be surprised. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146323 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-10Fixed bug 9905: Failure in code selection for llvm intrinsics sqrt/exp (fix ↵Stepan Dyatkovskiy
for FSQRT, FSIN, FCOS, FPOWI, FPOW, FLOG, FLOG2, FLOG10, FEXP, FEXP2). Second attempt. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146322 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-10Make CR spill and restore use a reserved register. These operations cannot ↵Hal Finkel
use the register scavenger because the scavenger can only scavenge one register and frame-index elimination may have already grabbed it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146318 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-10Fix typo, reported by Eitan Adler!Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146316 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-10Try to align the point where a large basic block is split.Jakob Stoklund Olesen
The split point is picked such that the newly created water has the same alignment as the function. This makes the island suitable for constant pool entries with potentially higher alignment. This also fixes an issue where the basic block was split one instruction too late, causing nonconvergence of the algorithm. <rdar://problem/10550705> There is still an issue with correctly packing differently aligned entries in the island. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146314 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-10More debug output formatting.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146313 91177308-0d34-0410-b5e6-96231b3b80d8
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