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2011-03-23Notify the delegate before removing dead values from a live interval.Jakob Stoklund Olesen
The register allocator needs to know when the range shrinks. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128145 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-23Allow the allocation of empty live ranges that have uses.Jakob Stoklund Olesen
Empty ranges may represent undef values. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128144 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-23Dump the register map before rewriting.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128143 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-23A global variable with internal linkage where all uses are in one function ↵Anders Carlsson
and whose address is never taken is a non-escaping local object and can't alias anything else. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128140 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-23Added block number and name to isel debug output.Andrew Trick
I'm tired of doing this manually for each checkout. If anyone knows a better way debug isel for non-trivial tests feel free to revert and let me know how to do it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128132 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-22For ARM Disassembler, start a newline to dump the opcode and friends for an ↵Johnny Chen
instruction. Change inspired by llvm-bug 9530 submitted by Jyun-Yan You. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128122 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-22RIT_ARM_ThumbBranch32Bit relocations are not used and should never be generated.Owen Anderson
This fixes kimwitu++, bullet, and tramp3dv4 with the ARM integrated assembler. Fixes <rdar://problem/9165738>. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128117 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-22Reapply r128045 and r128051 with fixes.Jakob Stoklund Olesen
This will extend the ranges of debug info variables in registers until they are clobbered. Fix 1: Don't mistake DBG_VALUE instructions referring to incoming arguments on the stack with DBG_VALUE instructions referring to variables in the frame pointer. This fixes the gdb test-suite failure. Fix 2: Don't trace through copies to physical registers setting up call arguments. These registers are call clobbered, and the source register is more likely to be a callee-saved register that can be extended through the call instruction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128114 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-22LDRT and LDRBT was incorrectly tagged as IndexModeNone during the ↵Johnny Chen
refactorings (r119821). We now tag them as IndexModePost. This fixed http://llvm.org/bugs/show_bug.cgi?id=9530. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128113 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-22A bit more analysis of a memset-related README entry.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128107 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-22A8.6.399 VSTM:Johnny Chen
VFP Load/Store Multiple Instructions used to embed the IA/DB addressing mode within the MC instruction; that has been changed so that now, for example, VSTMDDB_UPD and VSTMDIA_UPD are two instructions. Update the ARMDisassemblerCore.cpp's DisassembleVFPLdStMulFrm() to reflect the change. Also add a test case. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128103 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-22Migrate the fix in r128041 to ARM's fastisel support as well.Eric Christopher
Fixes rdar://9169640 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128100 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-22We don't need a null terminator for the output file.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128098 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-22Revert r128045 and r128051, debug info enhancements.Andrew Trick
Temporarily reverting these to see if we can get llvm-objdump to link. Hopefully this is not the problem. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128097 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-22Tidy up.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128096 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-22Add missing file from previous commit.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128095 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-22Propogate the error message, not just the error state.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128094 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-22Add simple arg passing to MC-JIT and support for exit() call.Jim Grosbach
Support argument passing simple, common, prototypes directly. More complicated scenarios will require building up a stub function, which the MC-JIT isn't set up to handle yet. Add Intercept.cpp, which is just a copy from ExecutionEngine/JIT for now, to handle looking looking up external symbol names. This probably more properly belongs as part of RuntimeDyld. It'll migrate there as things flesh out more fully. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128090 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-22Trailing whitespace.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128086 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-22Change MRC and MRC2 instructions to model the output register properlyBruno Cardoso Lopes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128085 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-22ptx: add analyze/insert/remove branchChe-Liang Chiou
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128084 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-22Fix comment in header.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128077 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-22Properly initialize all fields in CrashReporterCleanupContext. This caused ↵Ted Kremenek
the buildbot failure earlier. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128071 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-22Handle another case that Frits suggested.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128068 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-22Temporarily stop recovering resources in CrashRecoveryContext while I ↵Ted Kremenek
investigate further why this works on my machine and not on others. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128065 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-22Hook up the MCJIT to the RuntimeDyld library.Jim Grosbach
Lots of cleanup to make the interfaces prettier, use the JITMemoryManager, handle multiple functions and modules, etc.. This gets far enough that the MCJIT compiles and runs code, though. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128052 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-22Clear map after use.Jakob Stoklund Olesen
This is likely to fix the segfault in llvm-gcc-x86_64-darwin10-cross-mingw32. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128051 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-22Initialize HasError.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128049 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-22Avoid -Wunused-variable in -asserts buildsMatt Beaumont-Gay
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128048 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-22Dont emit 'DBG_VALUE %noreg, ...' to terminate user variable ranges.Jakob Stoklund Olesen
These ranges get completely jumbled by the post-ra scheduler, and it is not really reasonable to expect it to make sense of them. Instead, teach DwarfDebug to notice when user variables in registers are clobbered, and terminate the ranges there. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128045 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-22Fix fast-isel address mode folding to avoid folding instructionsDan Gohman
outside of the current basic block. This fixes PR9500, rdar://9156159. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128041 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-21Add support for Thumb interworking addresses for symbol offsets that get ↵Owen Anderson
constant folded very early. This fixes SPASS with -integrated-as. <rdar://problem/9165399> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128037 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-21Build the new RuntimeDyld library.Oscar Fuentes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128035 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-21Library-ize the dyld components of llvm-rtdyld.Jim Grosbach
Move the dynamic linking functionality of the llvm-rtdyld program into an ExecutionEngine support library. Update llvm-rtdyld to just load an object file into memory, use the library to process it, then run the _main() function, if one is found. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128031 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-21Simplify.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128030 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-21Fix INT_MIN gotcha pointed out by Eli Friedman.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128028 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-21Provide a means for CrashRecovery clients to determine if code is currently ↵Ted Kremenek
running while crash recovery cleanups are being processed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128008 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-21Grammar-o.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128004 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-21More cleanups to the OptimizeEmptyGlobalCXXDtors GlobalOpt function.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127997 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-21We need to pass the TargetMachine object to the InstPrinter if we are printingBill Wendling
the alias of an InstAlias instead of the thing being aliased. Because we need to know the features that are valid for an InstAlias. This is part of a work-in-progress. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127986 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-21As suggested by Nick Lewycky, ignore debugging intrinsics when trying to ↵Anders Carlsson
decide whether a destructor is empty or not. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127985 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-21Fix commentsNick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127984 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-21This README entry was fixed recently.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127982 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-21Re-apply r127953 with fixes: eliminate empty return block if it has no ↵Evan Cheng
predecessors; update dominator tree if cfg is modified. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127981 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-20Don't try to eliminate invokes to __cxa_atexit.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127976 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-20Don't segfault on mutual recursion, as pointed out by Frits.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127975 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-20Address comments from Frits van Bommel.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127974 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-20Process all dead defs after rematerializing during splitting.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127973 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-20Write the section table and the section data in the same order thatRafael Espindola
gun as does. This makes it a lot easier to compare the output of both as the addresses are now a lot closer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127972 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-20Add an optimization to GlobalOpt that eliminates calls to __cxa_atexit, if ↵Anders Carlsson
the function passed is empty. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127970 91177308-0d34-0410-b5e6-96231b3b80d8
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