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2011-01-18Handle (i32,i32) => f64 in a cleaner way. Patch by Sasa StankovicBruno Cardoso Lopes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123763 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-18Add support for mips32 madd and msub instructions. Patch by Akira HatanakaBruno Cardoso Lopes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123760 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-18For completeness, generalize the (X + Y) - Y -> X transform and add X - (X + ↵Duncan Sands
1) -> -1. These were not recommended by my auto-simplifier since they don't fire often enough. However they do fire from time to time, for example they remove one subtraction from the final bitcode for 483.xalancbmk. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123755 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-18Simplify (X<<1)-X into X. According to my auto-simplier this is the most ↵Duncan Sands
common missed simplification in fully optimized code. It occurs sporadically in the testsuite, and many times in 403.gcc: the final bitcode has 131 fewer subtractions after this change. The reason that the multiplies are not eliminated is the same reason that instcombine did not catch this: they are used by other instructions (instcombine catches this with a more general transform which in general is only profitable if the operands have only one use). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123754 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-18add a noteChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123752 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-18SPARC backend: Modified LowerCall and LowerFormalArguments so that they use ↵Venkatraman Govindaraju
CallingConv assignments. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123749 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-18Remove an unnecessary #include.Cameron Zwarich
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123748 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-18Move DominanceFrontier from VMCore to Analysis.Cameron Zwarich
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123747 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-18McARM: Use accessors where appropriate.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123746 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-18McARM: Fill in ASMOperand::dump() for memory operands.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123745 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-18McARM: Make ARMOperand use a union where appropriate.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123744 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-18There is no point in verifying an analysis that is never updated.Cameron Zwarich
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123743 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-18McARM: Unify ParseMemory() successfull return.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123740 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-18McARM: Early exit on failure (NEFC).Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123739 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-18McARM: Always keep an offset expression, if used (instead of assuming == 0 ↵Daniel Dunbar
if used but not present), and simplify logic. Also, clean up various non-sensicalisms in isMemModeRegThumb() and isMemModeImmThumb(). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123738 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-18McARM: Add a variety of asserts on the sanity of memory operands.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123737 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-18McARM: Use a consistent marker for not-set OffsetRegNum.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123736 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-18Convert a std::map to a DenseMap for another 1.7% speedup on -scalarrepl.Cameron Zwarich
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123732 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-18Make a std::vector a SmallVector<*, 32> like the other vectors in the sameCameron Zwarich
function. This seems to be about a 1.5% speedup of -scalarrepl on test-suite with SPEC2000 and SPEC2006. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123731 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-18Reduce indentation and remove commented out code.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123729 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-18Remove some now-unused DominanceFrontier methods.Cameron Zwarich
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123726 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-18Remove code for updating dominance frontiers and some outdated references toCameron Zwarich
dominance and post-dominance frontiers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123725 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-18Remove outdated references to dominance frontiers.Cameron Zwarich
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123724 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-18McARM: Start marking T2 address operands as such, for the benefit of the parser.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123722 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-18Support/CommandLine: Add "Did you mean" print for mismatched operands.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123717 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-18The stub routine that we're calling uses test and so clobbersEric Christopher
the flags. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123712 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-18minor change to rafael's recent patches: if something isChris Lattner
constant but requires a unique address, we can still put it in a readonly section, just not a mergable one. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123711 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-18Remove unused variables found by gcc-4.6's -Wunused-but-set-variable.Jeffrey Yasskin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123707 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-18Remove checking that prevented overlapping CALLSEQ_START/CALLSEQ_ENDStuart Hastings
ranges, add legalizer support for nested calls. Necessary for ARM byval support. Radar 7662569. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123704 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-17Windows/PathV2.inc: For CryptAcquireContext(), CRYPT_VERIFYCONTEXT may be ↵NAKAMURA Takumi
specified for easy use. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123687 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-17Windows/PathV2.inc: MoveFileEx() can behave like Posix's mv(1) to specify ↵NAKAMURA Takumi
MOVEFILE_COPY_ALLOWED | MOVEFILE_REPLACE_EXISTING. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123686 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-17lib/Support/Windows/Signals.inc: "Showstopper" dialogs may be suppressed ↵NAKAMURA Takumi
with SetErrorMode() on Windows 7. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123685 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-17Remove dead code, that I apparently wrote a while back. We seem to be doing ↵Owen Anderson
well enough without whatever this was trying to do. When/if someone has the time to do some empirical evaluations, it might be worth it to figure out what this code was trying to do and see if it's worth resurrecting/fixing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123684 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-17Add a missing <cctype> include, from Joerg Sonnenberger!Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123670 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-17Fix an off-by-one error in ctpop combining.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123664 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-17Roll r123609 back in with two changes that fix test failures with expensiveCameron Zwarich
checks enabled: 1) Use '<' to compare integers in a comparison function rather than '<='. 2) Use the uniqued set DefBlocks rather than Info.DefiningBlocks to initialize the priority queue. The speedup of scalarrepl on test-suite + SPEC2000 + SPEC2006 is a bit less, at just under 16% rather than 17%. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123662 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-17Archive: Fix temp path names.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123660 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-17Support/raw_ostream: Fix uninitalized variable in raw_fd_ostream constructor.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123643 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-17Remove useless Tag enumeration.Jay Foad
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123623 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-17Split up RotateShift itinerary in SPU.Kalle Raiskila
'rotq*' and 'shlq*' instructions go to the odd pipeline, wheras the inter-vector equivalents 'rot*', 'shl*' go to the even. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123622 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-17Add a DAGCombine to turn (ctpop x) u< 2 into (x & x-1) == 0.Benjamin Kramer
This shaves off 4 popcounts from the hacked 186.crafty source. This is enabled even when a native popcount instruction is available. The combined code is one operation longer but it should be faster nevertheless. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123621 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-17Don't crash SPU BE with memory accesses with big alignmnet.Kalle Raiskila
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123620 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-17Materialize GA addresses with movw + movt pairs for Darwin in PIC mode. e.g.Evan Cheng
movw r0, :lower16:(L_foo$non_lazy_ptr-(LPC0_0+4)) movt r0, :upper16:(L_foo$non_lazy_ptr-(LPC0_0+4)) LPC0_0: add r0, pc, r0 It's not yet enabled by default as some tests are failing. I suspect bugs in down stream tools. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123619 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-17Roll out r123609 due to failures on the llvm-x86_64-linux-checks bot.Cameron Zwarich
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123618 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-17Eliminate the use of dominance frontiers in PromoteMemToReg. In addition toCameron Zwarich
eliminating a potentially quadratic data structure, this also gives a 17% speedup when running -scalarrepl on test-suite + SPEC2000 + SPEC2006. My initial experiment gave a greater speedup around 25%, but I moved the dominator tree level computation from dominator tree construction to PromoteMemToReg. Since this approach to computing IDFs has a much lower overhead than the old code using precomputed DFs, it is worth looking at using this new code for the second scalarrepl pass as well. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123609 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-16UnRevert "Revert "Archive: Replace all internal uses of PathV1 with PathV2. ↵Michael J. Spencer
The external API still uses PathV1."" git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123605 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-16Fix rename.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123604 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-16Provide instruction sizes for ARMv5 variants of MUL instructions.Anton Korobeynikov
This fixes PR8987 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123598 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-16Update README.txt to remove the DAE enhancement.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123597 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-16Teach DAE to look for functions whose arguments are unused, and change all ↵Anders Carlsson
callers to pass in an undefvalue instead. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123596 91177308-0d34-0410-b5e6-96231b3b80d8
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