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2010-04-18avoid temporary std::string in non posix_spawn path.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101723 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-18Eliminate temporary string.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101711 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-18Properly inherit the environment on darwin where environ is not available ↵Benjamin Kramer
for shared libraries. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101710 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-18This is horrible. Split the difference, and declare 'environ' on all non-DarwinNick Lewycky
platforms to unbreak the darwin and linux builds. The BSD folks should feel free to change the #if, if this breaks them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101703 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-18Revert r101701, Darwin doesn't have 'environ'. Go figure.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101702 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-18Fix linux build. posix_spawn doesn't inherit the environment by default.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101701 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-18make Program::Execute use posix_spawn on systems that support it,Chris Lattner
as it is more efficient than fork/exec. Thanks to Eric for adding the autoconf check. It would be nice if a cmake guru could add a cmake check for posix_spawn as well. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101693 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-18reduce indentationChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101692 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-18unnest from namespace.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101691 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-18silence some -Wmissing-field-initializers warnings.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101690 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-18silence some unused-value warnings.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101689 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-18Don't rely upon the MCSymbol "isDefined" method to indicate if a label has beenBill Wendling
emitted or not. The JIT doesn't set that. Look it up in the label location table instead. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101686 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-18Formatting changes. No functionality change.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101685 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-18Add a "PadTo" field to the emitULEB128Bytes method. This will pad out to theBill Wendling
indicated number of bytes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101684 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-17Fix declarations in a few more tests.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101676 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-17Revert "reject forward references to functions whose type don't match", ↵Daniel Dunbar
because DJG told me to! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101675 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-17Fix intrinsic signature in this test.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101674 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-17reject forward references to functions whose type don't matchChris Lattner
up with the definition (and fix a broken testcase). PR6491. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101670 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-17Add comment (lost when reverting and reapplying 101503).Dale Johannesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101664 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-17doh, didn't mean to check in my hackaround lit sucking. :)Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101663 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-17fix PR6332, allowing an index of zero into a zero sized array Chris Lattner
even if the element of the array has no size. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101662 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-17teach the x86 asm parser how to handle segment prefixesChris Lattner
in memory operands. rdar://7874844 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101661 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-17refactor .if handling code a bit.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101659 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-17fix PR6858: a dangling pointer use bug which was causedChris Lattner
by switching CachedFunctionInfo from a std::map to a ValueMap (which is implemented in terms of a DenseMap). DenseMap has different iterator invalidation semantics than std::map. This should hopefully fix the dragonegg builder. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101658 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-17a bunch of cleanups and tweaks, no functionality changes.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101657 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-17Fix more -Wcast-qual warnings.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101656 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-17Fix -Wcast-qual warnings.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101655 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-17remove a dead variable, PR6856Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101648 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-17testcase for r101538, patch by Nico Schmidt!Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101642 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-17Add const qualifiers to TargetLoweringObjectFile usage.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101640 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-17Use const_cast instead of a C-style cast to cast away const.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101639 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-17Start function numbering at 0.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101638 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-17Delete now-unnecessary const_casts.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101637 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-17Use cast instead of dyn_cast when assuming success.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101636 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-17Use const qualifiers with TargetLowering. This eliminates severalDan Gohman
const_casts, and it reinforces the design of the Target classes being immutable. SelectionDAGISel::IsLegalToFold is now a static member function, because PIC16 uses it in an unconventional way. There is more room for API cleanup here. And PIC16's AsmPrinter no longer uses TargetLowering. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101635 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-17Move per-function state out of TargetLowering subclasses and intoDan Gohman
MachineFunctionInfo subclasses. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101634 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-17Name these stub files consistently with the SPU and PPC targets' conventions.Chandler Carruth
Also rename the classes appropriately. The CMake build already used these names. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101631 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-17a bunch of ssse3 instructions are misencoded to think they have an Chris Lattner
i8 field when they really do not. This fixes rdar://7840289 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101629 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-17reenable r101565, removing a problematic assertion.Chris Lattner
CGSCC can delete nodes in regions of the callgraph that have already been visited. If new CG nodes are allocated to the same pointer, we shouldn't abort, just handle it correctly by assigning a new number. This should restore stability by removing invalidated pointers that *will* be reused from the densemap in the iterator. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101628 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-17Postra machine licm must add registers defined by loop invariants to *all* ofEvan Cheng
the live-in sets of BBs in the loop. Otherwise later pass may end up using the registers and override the invariant. rdar://7852937 No reasonablly sized test case possible. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101626 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-17Refresh this documentation. Things have changed a bit in the mean time:Nick Lewycky
- LLVMgold.so --> libLLVMgold.so - the GCC LTO project is no longer 'upcoming' - document the plugin support for 'ar' and 'nm' git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101624 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-17Fix codegen passes. -disable-ssc shouldn't disable postra machine licm.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101622 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-17More work to allow dag combiner to promote 16-bit ops to 32-bit.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101621 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-17Another 80 col violation.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101620 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-17Revise my previous change to ExpandBIT_CONVERT. I hadn't realized that thisBob Wilson
may be called when either the source or destination type is i64, and my change also hadn't fixed the most obvious problem -- assuming that i64 will only be bitconverted to f64, ignoring the various vector types. Radar 7873160. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101615 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-17Add nounwind.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101613 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-17Re-commit my previous SSAUpdater changes. The previous version naively triedBob Wilson
to determine where to place PHIs by iteratively comparing reaching definitions at each block. That was just plain wrong. This version now computes the dominator tree within the subset of the CFG where PHIs may need to be placed, and then places the PHIs in the iterated dominance frontier of each definition. The rest of the patch is mostly the same, with a few more performance improvements added in. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101612 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-17As a temporary workaround for post-RA not handling DebugValue instructions,Bob Wilson
just remove them all. Radar 7873207 (working around the root problem of Radar 7759363). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101604 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-17Revert "Use a simpler data structure to calculate the least recently used ↵Jakob Stoklund Olesen
register in RegAllocLocal." This reverts commit 101392. It broke a buildbot. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101595 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-17Reapply 101503+101520. These are "obviously correct" [Chris]Dale Johannesen
and don't cause any problems on Darwin. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101584 91177308-0d34-0410-b5e6-96231b3b80d8
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