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2008-04-26A few inline asm cleanups:Chris Lattner
- Make targetlowering.h fit in 80 cols. - Make LowerAsmOperandForConstraint const. - Make lowerXConstraint -> LowerXConstraint - Make LowerXConstraint return a const char* instead of taking a string byref. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50312 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-25Remove the code from CodeGenPrepare that moved getresult instructionsDan Gohman
to the block that defines their operands. This doesn't work in the case that the operand is an invoke, because invoke is a terminator and must be the last instruction in a block. Replace it with support in SelectionDAGISel for copying struct values into sequences of virtual registers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50279 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-25Pull the code to perform an INSERT_VECTOR_ELT in memory out into its own Nate Begeman
function, and then use it to fix a bug in SplitVectorOp that expected inserts to always have constant insertion indices. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50273 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-24- Check if a register is livein before removing it. It may have already been ↵Evan Cheng
removed. - Do not iterate over SmallPtrSet, the order of iteration is not deterministic. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50209 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-23Use isa instead of dyn_cast.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50181 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-23Add support to codegen for getresult instructions with undef operands.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50180 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-23Unbreak JITAnton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50173 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-23Add facility for pre-RA passesAnton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50165 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-23Use precomputed value, if anyAnton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50164 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-23CleanupAnton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50160 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-21Fix an out-of-bounds access in -view-sunit-dags in the case of anDan Gohman
empty ScheduleDAG. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50054 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-20Check we aren't trying to convert PPC long double.Dale Johannesen
This fixes the testsuite failure on ppcf128-4.ll. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49994 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-20Switch to using Simplified ConstantFP::get API.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49977 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-18Implement a bit more softfloat support inDuncan Sands
LegalizeTypes. Correct the load logic so that it actually works, and also teach it to handle floating point extending loads. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49923 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-18Add some more FIXME's for indexed loads and stores.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49916 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-18Provide an explicit list of operands to MakeLibcall,Duncan Sands
rather than having it suck them out of a node. Add a bunch of new libcalls, and remove dead softfloat code (dead, because FloatToInt is used not Expand in this case). Note that indexed stores probably aren't handled properly, likewise for loads. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49915 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-18Correct comment.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49913 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-18Not safe to "kill" a register if its live range extends pass the end of ↵Evan Cheng
block branch. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49911 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-17Remove the implicit conversion from SDOperandPtr to SDOperand*; thisDan Gohman
may fix a build error on Visual Studio. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49876 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-17Be more careful with insert_subreg and extract_subreg where either source or ↵Evan Cheng
destination operand has already been coalesced with another register that's defined by a insert_subreg or extract_subreg. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49843 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-17Use correct name for method in comment.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49841 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-17Correct the SrcValue information in the Expand code for va_copy.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49839 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-17Fix a sub-register indice propagation bug.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49832 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-16Correlate stubs with functions in JIT: when emitting a stub, the JIT tells ↵Nicolas Geoffray
the memory manager which function the stub will resolve. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49814 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-16After reading memory that's already freed.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49810 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-16Infrastructure for getting the machine code size of a function and an ↵Nicolas Geoffray
instruction. X86, PowerPC and ARM are implemented git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49809 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-16Fix PR2226. Avoid using uninitialized variables.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49807 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-16Empty basic block should have an empty range.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49800 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-16Ongoing work on improving the instruction selection infrastructure:Roman Levenstein
Rename SDOperandImpl back to SDOperand. Introduce the SDUse class that represents a use of the SDNode referred by an SDOperand. Now it is more similar to Use/Value classes. Patch is approved by Dan Gohman. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49795 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-16Rewrite LiveVariable liveness computation. The new implementation is much ↵Evan Cheng
simplified. It eliminated the nasty recursive routines and removed the partial def / use bookkeeping. There is also potential for performance improvement by replacing the conservative handling of partial physical register definitions. The code is currently disabled until live interval analysis is taught of the name scheme. This patch also fixed a couple of nasty corner cases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49784 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-16Code clean up.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49783 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-16Avoid read after free.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49760 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-15Fix the new scheduler assertion checks to work whenDan Gohman
the scheduler has inserted no-ops. This fixes the 2006-07-03-schedulers.ll regression on ppc32. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49747 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-15Change Divided flag to Split, as suggested by EvanNicolas Geoffray
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49715 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-15Treat EntryToken nodes as "passive" so that they aren't added to theDan Gohman
ScheduleDAG; they don't correspond to any actual instructions so they don't need to be scheduled. This fixes a bug where the EntryToken was being scheduled multiple times in some cases, though it ended up not causing any trouble because EntryToken doesn't expand into anything. With this fixed the schedulers reliably schedule the expected number of units, so we can check this with an assertion. This requires a tweak to test/CodeGen/X86/loop-hoist.ll because it ends up getting scheduled differently in a trivial way, though it was enough to fool the prcontext+grep that the test does. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49701 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-14In -view-sunit-dags, display "special" chain dependencies as cyanDan Gohman
instead of blue to distinguish them from regular dependencies. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49696 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-14Avoid creating MERGE_VALUES nodes for single values.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49676 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-14Fix const-correctness issues with the SrcValue handling in theDan Gohman
memory intrinsic expansion code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49666 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-14Reverse sense of unwind-tables option. This meansDale Johannesen
stack tracebacks on Darwin x86-64 won't work by default; nevertheless, everybody but me thinks this is a good idea. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49663 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-14Fix /test/CodeGen/PowerPC/big-endian-actual-args.ll for linux/ppc32Nicolas Geoffray
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49652 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-14Initial libcall support for LegalizeTypes. This isDuncan Sands
much simpler than in LegalizeDAG because calls are not yet expanded into call sequences: that happens after type legalization has finished. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49634 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-13LegalizeTypes can sometimes have deleted nodesDuncan Sands
in its maps. Add some sanity checks that catch this kind of thing. Hopefully these can be removed one day (once all problems are fixed!) but for the moment it seems wise to have them in. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49612 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-13Add a divided flag for the first piece of an argument divided into mulitple ↵Nicolas Geoffray
parts. Fixes PR1643 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49611 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-13Merge LLVMBuilder and FoldingBuilder, callingDuncan Sands
the result IRBuilder. Patch by Dominic Hamon. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49604 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-12Factor some libcall code.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49583 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-12Drop ISD::MEMSET, ISD::MEMMOVE, and ISD::MEMCPY, which are not LegalDan Gohman
on any current target and aren't optimized in DAGCombiner. Instead of using intermediate nodes, expand the operations, choosing between simple loads/stores, target-specific code, and library calls, immediately. Previously, the code to emit optimized code for these operations was only used at initial SelectionDAG construction time; now it is used at all times. This fixes some cases where rep;movs was being used for small copies where simple loads/stores would be better. This also cleans up code that checks for alignments less than 4; let the targets make that decision instead of doing it in target-independent code. This allows x86 to use rep;movs in low-alignment cases. Also, this fixes a bug that resulted in the use of rep;stos for memsets of 0 with non-constant memory size when the alignment was at least 4. It's better to use the library in this case, which can be significantly faster when the size is large. This also preserves more SourceValue information when memory intrinsics are lowered into simple loads/stores. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49572 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-11Do not add empty live intervals to handled_. They should never be undone for ↵Evan Cheng
backtracking. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49544 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-11If a PHI node has a single implicit_def source, replace it with an ↵Evan Cheng
implicit_def instead of a copy. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49543 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-11Use of implicit_def is not part of live interval. Create empty intervals for ↵Evan Cheng
the uses when the live interval is being spilled. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49542 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-11detabifyGabor Greif
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49524 91177308-0d34-0410-b5e6-96231b3b80d8
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