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2009-09-15Correct comment pastoJim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81896 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15Added a new register class for segment registersSean Callanan
to the Intel register table. Added 16- and 64-bit MOVs to and from the segment registers to the Intel instruction tables. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81895 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15Change the marker byte for stubs from 0xcd to 0xce (another form ofDale Johannesen
interrupt instruction, which shouldn't arise any other way). 0xcd is also used by JITMemoryManager to initialize the buffer to garbage, which means it could appear following a noreturn call even when that is not a stub, confusing X86CompilationCallback2. PR 4929. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81888 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15fix PR4984 by ensuring that fastisel adds properly sign extended GEP ↵Chris Lattner
displacement values to machineinstrs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81886 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15rename testChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81884 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15convert to filecheckChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81882 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15add missing fileChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81881 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15Handle AddrMode4 for Thumb2 in rewriteT2FrameIndex. This occurs forBob Wilson
VLDM/VSTM instructions, and without this check, the code assumes that an offset is allowed, as it would be with VLDR/VSTR. The asm printer, however, silently drops the offset, producing incorrect code. Since the address register in this case is either the stack or frame pointer, the spill location ends up conflicting with some other stack slot or with outgoing arguments on the stack. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81879 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15Fix superreg use in ARMAsmPrinter. Approved by Anton Korobeynikov.Sandeep Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81878 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15several major improvements to the sparc backend: support for weak linkageChris Lattner
and PIC codegen. Patch by Venkatraman Govindaraju! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81877 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15Teach ValueTracking how to look through GlobalAliases. GlobalAliases areDan Gohman
not folded in the constant folder because the constant folder doesn't simplify ConstantExpr operands. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81864 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15Fix an accidental inversion of the inbounds flag.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81862 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15When a constant's type is refined, update the constant in placeDan Gohman
instead of cloning and RAUWing it. - Make AbstractTypeUser a friend of Value so that it can offer its subclasses a way to update a Value's type in place. This is better than a universally visible setType method on Value, and it's sufficient for the immediate need. - Eliminate the constant "convert" functions. This eliminates a lot of logic duplication, and fixes a complicated bug where a constant can't actually be cloned during the type refinement process because some of the types that its folder needs are half-destroyed, being in the middle of refinement themselves. - Move the getValType functions from being static overloaded functions in Constants.cpp to be members of class template specializations in ConstantsContext.h. This means that the code ends up getting instantiated twice, however it also makes it possible to eliminate all "convert" functions, so it's not a big net code size increase. And if desired, the duplicate instantiations could be eliminated with some reorganization. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81861 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15Use llvm-link -S instead of using llvm-dis.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81860 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15Give llvm-link a -S option.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81859 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15Don't bother using a PassManager just to print a Module.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81858 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15Restore a comment that was lost in the merge.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81857 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15Fix apostrophos.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81856 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15Add more newlines to make up for the ones removed from the end of instructions.Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81851 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15Forgot this.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81850 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15Another try at early partial coalescing. Identity phi source copies (their ↵Evan Cheng
sources are defined by phi join def) are coalesced. And the phi join copy is backward copy propagated into the other copies. Still miscompiling some tests. :-( git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81849 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15convert to filecheckChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81848 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15Forbid arrays of function-type and structures with function-typed fields.Nick Lewycky
While I'm there, change code that does: SomeTy == Type::getFooType(Context) into: SomeTy->getTypeID() == FooTyID to decrease the amount of useless type creation which may involve locking, etc. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81846 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15fix PR4963: folding insertvalue would sometimes turn a packed struct intoChris Lattner
an unpacked one. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81845 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15add a new CallGraphNode::replaceCallEdge method and use it fromChris Lattner
argpromote to avoid invalidating an iterator. This fixes PR4977. All clang tests now pass with expensive checking (on my system at least). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81843 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15add newline to debug dumpChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81840 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15make -debug-pass=Executions show information about what call graph nodesChris Lattner
are in the SCC for each execution of a CGSCC pass. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81838 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15add some missing quotes in debug outputChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81836 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15switch scciterator to use DenseMap instead of std::mapChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81834 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15this is failing on linux hosts, force a triple.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81833 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15Remove invalid add_dependencies line to unbreak the CMake build.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81827 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15Get rid of GetProcessId in Win32/Program.inc.Mikhail Glushenkov
GetProcessId was introduced only in XP. As a bonus, this change makes Program objects copyable, since Program is now basically a PID. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81826 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15merge one more in.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81824 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15merge some more cmov tests into cmov.llChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81823 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15merge two cmov tests into one.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81822 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15Don't pull a load through a callseq_start if the load's chainDan Gohman
has multiple uses, as one of the other uses may be on a path to a different node above the callseq_start, because that leads to a cyclic graph. This problem is exposed when -combiner-global-alias-analysis is used. This fixes PR4880. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81821 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15Remove incorrect CSE code from r81813.Nate Begeman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81819 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15Modified the Intel instruction tables to includeSean Callanan
versions of CALL and JMP with segmented addresses provided in-line, as pairs of immediates. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81818 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15Added the first bits of the ARM target assembler to llvm-mc. For now it onlyKevin Enderby
parses the .word directive as 4 bytes and ARMAsmParser::ParseInstruction will give an error is called. Broke out the test of the .word directive into two different test cases, one for x86 and one for arm. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81817 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15Substantially speed up combiner-aa in the following ways:Nate Begeman
1. Switch from an std::set to a SmallPtrSet for visited chain nodes. 2. Do not force the recursive flattening of token factor nodes, regardless of use count. 3. Immediately process newly created TokenFactor nodes. Also, improve combiner-aa by teaching it that loads to non-overlapping offsets of relatively aligned objects cannot alias. These changes result in a >5x speedup for combiner-aa on most testcases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81816 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15Teach the legalizer to propagate the original alignment of loads and store whenNate Begeman
it splits them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81815 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15On x86-64, the 32-bit cmov doesn't actually clear the high 32-bit ofDan Gohman
its result if the condition is false. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81814 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15Add an "original alignment" field to load and store nodes. This enables theNate Begeman
DAG Combiner to disambiguate chains for loads and stores of types which are broken up by the Legalizer into smaller pieces. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81813 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-14When extending a memset range past the front, set the alignment of theDan Gohman
memset region to the alignment of the new start address. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81810 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-14Expose initializing the native target for the execution engine.Erick Tryzelaar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81800 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-14Make sure to initialize the fpm in the ocaml tutorial.Erick Tryzelaar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81799 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-14Add early coalescing to liveintervals. This is work in progress and is known ↵Evan Cheng
to miscompute some tests. Read it at your own rish, I have aged 10 year while writing this. The gist of this is if source of some of the copies that feed into a phi join is defined by the phi join, we'd like to eliminate them. However, if any of the non-identity source overlaps the live interval of the phi join then the coalescer won't be able to coalesce them. The early coalescer's job is to eliminate the identity copies by partially-coalescing the two live intervals. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81796 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-14Pull the creation of the "RewindFunction" function out of the loop. It's onlyBill Wendling
created once, so shouldn't be stuck in the middle of the loop. Also early exit if there are no uses of UnwindInst in the function. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81785 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-14Update a comment to match the source. PseudoSourceValues are nowDan Gohman
obtained via accessor functions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81782 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-14trivial whitespace cleanupJim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81773 91177308-0d34-0410-b5e6-96231b3b80d8
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