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2008-08-05Remove the need for -disable-correct-folding from this test.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54354 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-05Fix the AsmWriter to not print extra spaces after parameter attributes.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54351 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-05Trim #includes.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54350 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-05Fix several const-correctness issues, resolving some -Wcast-qual warnings.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54349 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-05Correct an assertion string.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54348 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-05Remove #if 0.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54347 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-05Fix PR2568: Fix bug that cause redudant kill marker after its live interval ↵Evan Cheng
has been extended due to coalescing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54346 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-05Remove unneeded iteration. Thanks to Dan for the feedback.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54337 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-05This option doesn't need to be a target option. It can be in SDISel instead.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54336 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-04Update these tests to work by disabling the new correct CFG generation. ↵Owen Anderson
This flag should ONLY be used to for tests like these. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54334 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-04- Fix SelectionDAG to generate correct CFGs.Owen Anderson
- Add a basic machine-level dead block eliminator. These two have to go together, since many other parts of the code generator are unable to handle the unreachable blocks otherwise created. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54333 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-04PR2621: Improvements to the SCEV AddRec binomial expansion. This Eli Friedman
version uses a new algorithm for evaluating the binomial coefficients which is significantly more efficient for AddRecs of more than 2 terms (see the comments in the code for details on how the algorithm works). It also fixes some bugs: it removes the arbitrary length restriction for AddRecs, it fixes the silent generation of incorrect code for AddRecs which require a wide calculation width, and it fixes an issue where we were incorrectly truncating the iteration count too far when evaluating an AddRec expression narrower than the induction variable. There are still a few related issues I know of: I think there's still an issue with the SCEVExpander expansion of AddRec in terms of the width of the induction variable used. The hack to avoid generating too-wide integers shouldn't be necessary; instead, the callers should be considering the cost of the expansion before expanding it (in addition to not expanding too-wide integers, we might not want to expand expressions that are really expensive, especially when optimizing for size; calculating an length-17 32-bit AddRec currently generates about 250 instructions of straight-line code on X86). Also, for long 32-bit AddRecs on X86, CodeGen really sucks at scheduling the code. I'm planning on filing follow-up PRs for these issues. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54332 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-04Fix SDISel lowering of PHI nodes to use ComputeValueVTs.Dan Gohman
This allows it to work correctly on aggregate values. This fixes PR2623. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54331 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-04Fix SDISel lowering of zeroinitializer and undef to use ComputeValueVTs.Dan Gohman
This allows it to work correctly on nested aggregate values. This fixes PR2625. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54330 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-04Add an assert to catch invalid VECTOR_SHUFFLE mask indices.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54329 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-04Mips ISelLowering cleanup : Removed old LowerCALL and FORMAL_ARGS helpers, theyBruno Cardoso Lopes
aren't used anyway, they also used to broke compiling when fastcc was specified for a function, but not anymore. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54316 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-04Handle i32->f32 bitconvert results.Bruno Cardoso Lopes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54315 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-03Add atomic sub for other sizesAndrew Lenharth
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54314 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-03Emit saveri with the correct operand order, patch by Richard Pennington!Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54313 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-03Fix PR2615Bruno Cardoso Lopes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54312 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-02Improved asm inline for hi,lo resultsBruno Cardoso Lopes
Added hi,lo registers to be used,def implicitly. This provides better handle of instructions which use hi/lo. Fixes a small BranchAnalysis bug git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54274 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-02Apply the same pattern used in 'and' lowering for 'or'Bruno Cardoso Lopes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54273 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-01Fix comment typos.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54266 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-01Removed unused parameters.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54262 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-31Make sse2 explicit, for non-x86 hosts.Dale Johannesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54251 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-31Expand fcopysignBruno Cardoso Lopes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54250 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-31Handle more SELECT corner cases considering legalize types, probabily wont ↵Bruno Cardoso Lopes
work with the default legalizer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54249 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-31Add a flag to disable jump table generation (allDale Johannesen
switches use the binary search algorithm) for environments that don't support it. PPC64 JIT is such an environment; turn the flag on for that. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54248 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-31Improve dagcombining for sext-loads and sext-in-reg nodes.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54239 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-30Added pattern for floating point zero immediate (avoiding a constant poolBruno Cardoso Lopes
access). Added pattern to match bitconvert node. Fixed MTC1 asm string bug. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54229 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-30Move SelectionDAG::viewGraph() out of line; as an inline functionDan Gohman
it isn't always visible to gdb. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54228 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-30Don't look for leaf values to store when lowering stores ofDan Gohman
empty structs. This fixes PR2612. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54226 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-30Use existing LiveInterval methods to simplify live interval merging. Thanks ↵Owen Anderson
to Evan for pointing these out. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54225 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-30I missed this file in r54223. movzbl is now used insteadDan Gohman
of movzbw here. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54224 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-30Reapply r54147 with a constraint to only use the 8-bitDan Gohman
subreg form on x86-64, to avoid the problem with x86-32 having GPRs that don't have 8-bit subregs. Also, change several 16-bit instructions to use equivalent 32-bit instructions. These have a smaller encoding and avoid partial-register updates. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54223 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-30Value numbers whose def index is a special sentinel value should not be ↵Owen Anderson
remapped. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54218 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-30Fixed bug in global address lowering for functions and in Brcond loweringBruno Cardoso Lopes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54215 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-30Removed small section flag for mips, the assembler doesnt support this flagBruno Cardoso Lopes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54214 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-30Added new features to represent specific instructions groupsBruno Cardoso Lopes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54213 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-30Instruction definition cleanupBruno Cardoso Lopes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54212 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-30Document BasicBlock::Create.Matthijs Kooijman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54210 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-30Not that using stream headers other than iostream is allowed.Matthijs Kooijman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54209 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-30Added support for overloading intrinsics (atomics) based on pointersMon P Wang
to different address spaces. This alters the naming scheme for those intrinsics, e.g., atomic.load.add.i32 => atomic.load.add.i32.p0i32 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54195 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-30Another SCEV issue from PR2607; essentially the same issue, but this Eli Friedman
time applying to the implicit comparison in smin expressions. The correct way to transform an inequality into the opposite inequality, either signed or unsigned, is with a not expression. I looked through the SCEV code, and I don't think there are any more occurrences of this issue. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54194 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-30More fixes for corner cases when remapping live range indices.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54186 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-30When merging live intervals, we also need to merge in any live ranges that ↵Owen Anderson
are inputs to two-address instructions that themselves define a range we already care about. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54185 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-30Fix for PR2607: SCEV miscomputing the loop count for loops with an Eli Friedman
SGT exit condition. Essentially, the correct way to flip an inequality in 2's complement is the not operator, not the negation operator. That said, the difference only affects cases involving INT_MIN. Also, enhance the pre-test search logic to be a bit smarter about inequalities flipped with a not operator, so it can eliminate the smax from the iteration count for simple loops. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54184 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-29When merging a PHI operand's live interval into the PHI's live interval, we ↵Owen Anderson
need to merge over all liveranges in the operand's interval that share the relevant value number, not just the range that immediately precedes the PHI. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54174 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-29Don't decrement the BB remap when we don't need to.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54173 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-29Fix PR2609. If a label is deleted, then it needsDuncan Sands
to be marked invalid regardless of whether it is a debug, an exception handling or (hopefully) a GC label. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54172 91177308-0d34-0410-b5e6-96231b3b80d8
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