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2010-09-03Reapply commit 112702 which was speculatively reverted by echristo.Duncan Sands
Original commit message: Use the SSAUpdator to turn calls to eh.exception that are not in a landing pad into uses of registers rather than loads from a stack slot. Doesn't touch the 'orrible hack code - Bill needs to persuade me harder :) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112952 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-03AVX doesn't support mm operations neither its instrinsics.Bruno Cardoso Lopes
The AVX versions of PALIGN and PABS* should only exist for 128-bit. Remove the unnecessary stuff. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112944 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-03Use punpckh and unpckh family of nodes instead of using unpckh mask pattern ↵Bruno Cardoso Lopes
fragment git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112942 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-03Replace NEON vabdl, vaba, and vabal intrinsics with combinations of theBob Wilson
vabd intrinsic and add and/or zext operations. In the case of vaba, this also avoids the need for a DAG combine pattern to combine vabd with add. Update tests. Auto-upgrade the old intrinsics. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112941 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-03Fix commentBruno Cardoso Lopes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112938 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-03- Use specific nodes to match unpckl masks.Bruno Cardoso Lopes
- Teach getShuffleScalarElt how to handle more target specific nodes, so the DAGCombine can make use of it. - Add another hack to avoid the node update problem during legalization. More description on the comments git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112934 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-03Simple branch instruction support.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112923 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-03Don't call Predicate_* from X86 target.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112921 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-03Remove Predicate_* calls from MBlaze and XCoreJakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112920 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-03Remove Predicate_* calls from MipsJakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112919 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-02Add basic support for materializing constants (including fp) andEric Christopher
stores. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112912 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-02lets get crazy and name the header file the exact class name,Chris Lattner
not a scrunched version of it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112904 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-02Properly emit __chkstk call instead of __alloca on non-mingw windows targets.Anton Korobeynikov
Patch by Cameron Esfahani! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112902 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-02stop forcing a noop AssemblyAnnotationWriter to silence #usesChris Lattner
comments, these don't happen anymore. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112901 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-02There is no need to use .set here.Devang Patel
Thanks Chris! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112900 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-02reapply 112894:Chris Lattner
Remove #uses comments from functions: they we're padded out to column 50 and were potentially confusing for externally visible functions. going further, remove the "<i8**> [#uses=3]" comments entirely. They add a lot of noise, confuse people about what the IR is, and don't add any particular value. When the types are long it makes it really really hard to read IR. If someone is interested in this sort of thing, the right way to do this is to implement an AsmAnnotationWriter that produces the same output, and add a flag to llvm-dis (only) to produce this output. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112899 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-02Move insertps mask decoding to header fileBruno Cardoso Lopes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112896 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-02revert patch, need to update clang tests tooChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112895 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-02Remove #uses comments from functions: they we're padded out to column 50Chris Lattner
and were potentially confusing for externally visible functions. going further, remove the "<i8**> [#uses=3]" comments entirely. They add a lot of noise, confuse people about what the IR is, and don't add any particular value. When the types are long it makes it really really hard to read IR. If someone is interested in this sort of thing, the right way to do this is to implement an AsmAnnotationWriter that produces the same output, and add a flag to llvm-dis (only) to produce this output. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112894 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-02Use the FindProgramByName fallback only with known absolute paths.Dan Gohman
I wasn't able to convince myself that all GetMainExecutable implementations always return absolute paths; this prevents unexpected behavior in case they ever don't. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112888 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-02Revert win64 changes. They seem to be incompleteAnton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112885 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-02For ARM stack frames that utilize variable sized objects and have eitherJim Grosbach
large local stack areas or require dynamic stack realignment, allocate a base register via which to access the local frame. This allows efficient access to frame indices not accessible via the FP (either due to being out of range or due to dynamic realignment) or the SP (due to variable sized object allocation). In particular, this greatly improves efficiency of access to spill slots in Thumb functions which contain VLAs. rdar://7352504 rdar://8374540 rdar://8355680 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112883 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-02fix more AST updating bugs, correcting miscompilation in PR8041Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112878 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-02Remove incorrect and poorly tested code for trying to reason about values on ↵Owen Anderson
default edges of switches. Just return the conservatively correct answer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112876 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-02Properly allocate win64 shadow reg area.Anton Korobeynikov
Patch by Jan Sjodin! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112875 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-02After some discussion with djg, teach SmallVector to grow from a zeroJohn McCall
capacity and remove the workaround in SmallVector<T,0>. There are some theoretical benefits to a N->2N+1 growth policy anyway. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112870 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-02Move decoding of insertps back to avoid unused warnings in x86 isel ↵Bruno Cardoso Lopes
lowering, and fix movlhps/movhlps to decode 4 elements shuffles git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112869 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-02Detect undef value early and save unnecessary NodeMap query.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112864 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-02Don't narrow the load and store in a load+twiddle+store sequence unlessDan Gohman
there are clearly no stores between the load and the store. This fixes this miscompile reported as PR7833. This breaks the test/CodeGen/X86/narrow_op-2.ll optimization, which is safe, but awkward to prove safe. Move it to X86's README.txt. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112861 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-02Tidy up.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112858 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-02trailing whitespaceJim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112852 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-02Add AsmParser support for the ELF .previous directive. Patch by Roman Divacky.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112849 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-02remove trailing whitespaceJim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112847 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-02Move x86 specific shuffle mask decoding to its own header, it's also going ↵Bruno Cardoso Lopes
to be used elsewhere. Also trim trailing whitespaces git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112846 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-02The scavenger should just use getAllocatableSet() rather than reinventing itJim Grosbach
locally. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112845 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-02Apply a patch from Kees van Reeuwijk to add support for Minix.Dan Gohman
Minix apparently doesn't like double-slash separators, and there's no apparent need for them here. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112844 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-02Fix a bug in LazyValueInfo that CorrelatedValuePropagation exposed: In the ↵Owen Anderson
LVI lattice, undef and the full set ConstantRange should not be treated as equivalent. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112843 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-02handle case where a register class is specifiedJim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112842 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-02Now that register allocation properly considers reserved regs, simplify theJim Grosbach
ARM register class allocation order functions to take advantage of that. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112841 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-02Allow MCSA_WeakRef in ELF. Patch by Roman Divacky.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112834 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-02Anti-dependency breaking needs to be careful not to use reserved regsJim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112832 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-02Fix .debug_range for linux. Patch by Krister Wombell.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112830 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-02Mask out reserved registers when constructing the set of allocatable regs.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112828 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-02Fill in a missing comment.Bob Wilson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112826 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-02Convert VLD1 and VLD2 instructions to use pseudo-instructions untilBob Wilson
after regalloc. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112825 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-02Print the number of uses of a function in the .ll since it can be informativeDuncan Sands
and there seems to be no reason not to. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112812 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-02Added support for register allocators to record which intervals are spill ↵Lang Hames
intervals, and where the uses and defs of the original intervals were in the original code. Spill intervals can be hidden using the "-rmf-intervals=virt-nospills*" option. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112811 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-02Reapply commit 112699, speculatively reverted by echristo, sinceDuncan Sands
I'm sure it is harmless. Original commit message: If PrototypeValue is erased in the middle of using the SSAUpdator then the SSAUpdator may access freed memory. Instead, simply pass in the type and name explicitly, which is all that was used anyway. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112810 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-02Silence an ambiguous else warning from GCC.Chandler Carruth
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112809 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-02Added counters for PBQP reduction rules.Lang Hames
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112807 91177308-0d34-0410-b5e6-96231b3b80d8
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