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2011-05-25Add tests for .seh_setframe and .seh_handlerdata parsing. Fix issues withCharles Davis
them. I had to add a special SwitchSectionNoChange method to MCStreamer just for .seh_handlerdata. If this isn't OK, please let me know, and I'll find some other way to fix .seh_handlerdata streaming. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132084 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-25Fix some issues Duncan found in the previous commit.Rafael Espindola
I kept the reference to the ABI since that is the common case. The -fno-asynchronous-unwind-tables option is a user controlled way of breaking the ABI. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132053 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-25Fix warning in the CMake build about redefining LLVM_PATH_XDOT_PY by making ↵Frits van Bommel
sure both definitions are identical. This used to produce warnings like In file included from .../llvm/trunk/tools/lto/LTOCodeGenerator.cpp:45: In file included from .../llvm/trunk/include/llvm/Support/system_error.h:225: .../include/llvm/Config/config.h:591:9: warning: 'LLVM_PATH_XDOT_PY' macro redefined #define LLVM_PATH_XDOT_PY ".../bin/xdot.py" ^ .../include/llvm/Config/llvm-config.h:98:9: note: previous definition is here #define LLVM_PATH_XDOT_PY "" ^ 1 warning generated. (Paths edited for clarity) Note: This only affected people who had xdot.py installed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132050 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-25Replace the -unwind-tables option with a per function flag. This is moreRafael Espindola
LTO friendly as we can now correctly merge files compiled with or without -fasynchronous-unwind-tables. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132033 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-24Implement the rest of the SEH directive-parsing methods in the COFFAsmParser.Charles Davis
Add a size alignment check to the .seh_stackalloc directive parser. Add a more descriptive error message to the .seh_handler directive parser. Add methods to the TargetAsmInfo struct in support of all this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131992 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-24Remove dead code.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131974 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-24Add a method to TargetRegisterInfo to get the register number that the Win64 EHCharles Davis
scheme uses internally. Implement it for x86 (the only architecture that LLVM supports for which this matters right now). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131969 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-24Clean up the lazy initialization of DIBuilder a bit.Cameron Zwarich
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131956 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-24Work around code generation bug in Visual Studio 2010.Jakob Stoklund Olesen
See http://llvm.org/pr9976 for details. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131954 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-24Make LoadAndStorePromoter preserve debug info and create llvm.dbg.values whenCameron Zwarich
promoting allocas to SSA variables. Fixes <rdar://problem/9479036>. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131953 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-22add a helper method to get the byval alignment of an argument.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131883 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-22Add methods to parse the SEH directives to the COFFAsmParser. Implement someCharles Davis
of them, particularly the ones that don't take arguments. Also implement .seh_proc and .seh_handler. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131866 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-22Add a parameter to ConstantFoldTerminator() that callers can use to ask it ↵Frits van Bommel
to also clean up the condition of any conditional terminator it folds to be unconditional, if that turns the condition into dead code. This just means it calls RecursivelyDeleteTriviallyDeadInstructions() in strategic spots. It defaults to the old behavior. I also changed -simplifycfg, -jump-threading and -codegenprepare to use this to produce slightly better code without any extra cleanup passes (AFAICT this was the only place in -simplifycfg where now-dead conditions of replaced terminators weren't being cleaned up). The only other user of this function is -sccp, but I didn't read that thoroughly enough to figure out whether it might be holding pointers to instructions that could be deleted by this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131855 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-22another typoChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131854 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-22fix comment typoChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131853 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-22Implement emission of all Win64 exception tables. Make the COFF streamer emitCharles Davis
these tables. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131833 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-22Make the COFF streamer emit unwind info when processing a .seh_handlerdataCharles Davis
directive. Implement emission of Win64 EH unwind info. Pull in <cassert> in MCWin64EH.h so it can use the assert() macro. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131832 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-22random comment cleanups.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131829 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-22remove StandardPasses, it has been replaced with PassManagerBuilderChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131827 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-22add support for LTO passes.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131820 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-22Include DataTypes.h from this header to get the uint*_t types.Charles Davis
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131817 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-22Allow access to the .pdata and .xdata sections through the TargetAsmInfoCharles Davis
class. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131816 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-21add an extension point mechanism that allow plugins to add stuff to Chris Lattner
the pass manager. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131814 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-21Add CreateLifetimeStart and CreateLifetimeEnd to the IRBuilder, with plans toNick Lewycky
use these soon. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131812 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-21add a new PassManagerBuilder class to replace StandardPasses.hChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131807 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-21add a copy ctor to TargetLibraryInfo.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131806 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-21PR7952: Make isa<> use the same logic as cast<>, so that they both workEli Friedman
consistently. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131803 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-21A handler for a function in the Win64 EH scheme can be both an unwind handlerCharles Davis
and an exception handler. Handle that case. Also, add an 'Emitted' member to the MCWin64EHUnwindInfo struct. It will be needed later. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131791 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-21Have Program::Wait return -2 for crashed and timeouts instead of embeddingAndrew Trick
info in the error message. Per Dan's request. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131780 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-20Add .pdata and .xdata sections to the COFF TLOF implementation.Charles Davis
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131763 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-20Add asserts in StringRef to make sure we avoid undefined behavior:Argyrios Kyrtzidis
-strlen should not be called with NULL. Also guarantee that StringRef's Length is 0 if Data is NULL. -memcmp should not be called with NULL (even if size is 0) Patch by Matthieu Monrocq! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131747 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-20indvars: Prototyping Sign/ZeroExtend elimination without canonical IVs.Andrew Trick
No functionality enabled by default. Use -disable-iv-rewrite. Extended IVUsers to keep track of the phi that represents the users' IV. Added the WidenIV transform to replace a narrow IV with a wide IV by doing a one-for-one replacement of IV users instead of expanding the SCEV expressions. [sz]exts are removed and truncs are inserted. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131744 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-20Remove noisy semicolons.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131724 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-19Misc code refactorings:Rafael Espindola
* Remove unnecessary arguments now that ForceExpAbs is a method. * Use ForceExpAbs in EmitAbsValue. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131683 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-19Implement the EndProlog Win64 EH method on the base MCStreamer.Charles Davis
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131679 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-19Implement the Win64 EH prolog instruction methods on the base MCStreamer.Charles Davis
I had to change the API slightly to avoid overloading issues. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131666 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-19Fix up the new StandardPasses to run the same scalarrepl passes as the old one.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131665 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-19Reapply 131644 including the missing header changes:Joerg Sonnenberger
Introduce -fatal-assembler-warnings for the obvious purpose git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131655 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-19Turns out GAS does have Win64 EH directives. (It also supports WinCE EH.) MakeCharles Davis
ours compatible with GAS. In retrospect, I should have emailed binutils about this earlier. Thanks to Kai Tietz for pointing out that GAS already had SEH directives. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131652 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-19Implement the StartChained and EndChained Win64 EH methods on MCStreamer.Charles Davis
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131629 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-19Fix the MSVC build.Francois Pichet
Use a set of overloaded functions instead of template function for CreatePassFn. It seems that template deduction for functions type that differs only by return type doesn't work with MSVC. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131624 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-19Implement the StartProc and EndProc Win64 EH methods on the base MCStreamer.Charles Davis
Based largely on Rafael Espindola's work on CFI. Other methods soon to follow. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131623 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-19Fix build issues with headers, which I discovered by actually using them.Charles Davis
Also, convert all the inline functions on UnwindInfo into methods. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131622 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-18Add a header patterned after MCDwarf.h for supporting Win64 exception handlingCharles Davis
under MC. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131593 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-18Some better type safety enforcement in the standard pass list, along with ↵David Chisnall
some small tidies and some fixes for bugs that the stricter checking found. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131592 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-18Third pass at allowing plugins to modify default passes. This time with a ↵Eli Friedman
tweak so that we don't depend on an uninitialized argument. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131581 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-18Set debug location while setting insertion point.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131575 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-18Add some more Win64 EH directives:Charles Davis
- StartChained and EndChained delimit a chained unwind area, which can contain additional operations to be undone if an exception occurs inside of it. - UnwindOnly declares that this function doesn't handle any exceptions. If it has a handler, it's an unwind handler instead of an exception handler. - Lsda declares the location and size of the LSDA, which in the Win64 EH scheme is kept inside the UNWIND_INFO struct. Windows itself ignores the LSDA; it's used by the Language-Specific Handler (the "Personality Function" from DWARF). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131572 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-18Revert r131556; it's breaking buildbots/clang tests.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131567 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-18Second pass at allowing plugins to modify default passes. This time without ↵David Chisnall
bonus inter-library dependencies. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131556 91177308-0d34-0410-b5e6-96231b3b80d8
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