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2008-03-14Expose Module::dump via C and Ocaml.Gordon Henriksen
Patch by Erick Tryzelaar. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48379 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-14Do not generate special entries in the dwarf ehDuncan Sands
table for nounwind calls. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48373 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-14Fix PR2138. Apparently any modification to a std::multimap (including remove ↵Evan Cheng
entries for a different key) can invalidate multimap iterators. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48371 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-14this was removed from the Unix side.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48370 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-14Update comments; getPassName no longer uses RTTI.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48369 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-14Implement the real calling convention for ppc32 Altivec:Dale Johannesen
vectors go at the end of the memory area, after all non-vector parameters. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48364 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-14Fix some 80 col violations.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48361 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-14Fix a number of encoding bugs. SSE 4.1 instructions MPSADBWrri, PINSRDrr, ↵Evan Cheng
etc. have 8-bits immediate field (ImmT == Imm8). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48360 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-14Add debugging stuff.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48359 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-14Add an issue that is preventing instcombine from doing a simplification.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48356 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-14Simplify using getIntPtrConstant.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48355 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-14The inst combining of inttoptr into GEP with one index was using the bit size ofBill Wendling
the type instead of the byte size. This was causing troublesome mis-compilations. True to form, this took 2 days to find and is a one-line fix. :-P git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48354 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-14Tabs -> spacesNate Begeman
Use getIntPtrConstant in a couple places to shorten stuff up Handle splitting vector shuffles with undefs in the mask git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48351 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-14Livein copy scheduling fixes: do not coalesce physical register copies, ↵Evan Cheng
correctly determine the safe location to insert the copies. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48348 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-13Use SDTNone instead of duplicating it.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48346 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-13More APInt-ification.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48344 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-13Fix a bug in GVN that Duncan noticed, where we potentially need to insert a Owen Anderson
pointer bitcast when performing return slot optimization. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48343 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-13Undo tweak. It had no obvious benefit.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48341 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-13Remove unused GetAddressOfSymbol()Devang Patel
Thanks Daniel Dunbar! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48340 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-13Typo.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48337 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-13Don't try to sink 3-address instruction if convertToThreeAddress created ↵Evan Cheng
more than one instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48336 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-13Remove an unused command line option.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48334 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-13TwoAddressInstructionPass enhancement. After it converts a two address ↵Evan Cheng
instruction into a 3-address one, sink it past the instruction that kills the read-mod-write register if its definition is used past the kill. This reduces the number of live register by one. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48333 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-13Get rid of a pseudo instruction and replace it with subreg based operation ↵Christopher Lamb
on real instructions, ridding the asm printers of the hack used to do this previously. In the process, update LowerSubregs to be careful about eliminating copies that have side affects. Note: the coalescer will have to be careful about this too, when it starts coalescing insert_subreg nodes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48329 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-13Fix Path::GetMainExecutable on cygwin, patch by Sam Bishop.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48328 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-13remove extraneous namespace qualifier, PR2142Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48327 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-13move a bunch of trivial methods to be inline.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48326 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-13Various improvements suggested by DuncanChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48325 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-13Update -mem2reg to use succ_iterator instead of iterating across TerminatorInstNick Lewycky
successors. This makes it support nounwind. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48320 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-13Remove unused options.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48319 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-13Eliminate a few unnecessary uses of dynamic_cast.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48318 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-13Fix a typo.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48317 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-13Don't redundantly clear std::vector members in destructors.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48316 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-13Change PMTopLevelManager's PassManagers vector element type fromDan Gohman
Pass* to PMDataManager*. PMDataManager is more specific than Pass, so this more accurately describes the objects that are being stored. This eliminates the need for several dynamic_casts to PMDataManager*. It does introduce one dynamic_cast though, in dumpPasses(). Give this one a comment describing why a dynamic_cast is being used. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48315 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-13Change PMStack::push to accept a PMDataManager* instead ofDan Gohman
a Pass*. PMDataManager* is what it actually holds, so this makes it clearer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48314 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-13Refactor some code out of MachineSink into a MachineInstr query.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48311 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-12Do not promote float params to double in varargsDale Johannesen
calls here. This was done earlier for params in the varargs part of the params; any float params that survive to here are in the non-varargs part, and must not be promoted. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48310 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-12Experimental scheduler change to schedule / coalesce the copies added for ↵Evan Cheng
function livein's. Take 2008-03-10-RegAllocInfLoop.ll, the schedule looks like this after these copies are inserted: entry: 0x12049d0, LLVM BB @0x1201fd0, ID#0: Live Ins: %EAX %EDX %ECX %reg1031<def> = MOVPC32r 0 %reg1032<def> = ADD32ri %reg1031, <es:_GLOBAL_OFFSET_TABLE_>, %EFLAGS<imp-def> %reg1028<def> = MOV32rr %EAX %reg1029<def> = MOV32rr %EDX %reg1030<def> = MOV32rr %ECX %reg1027<def> = MOV8rm %reg0, 1, %reg0, 0, Mem:LD(1,1) [0x1201910 + 0] %reg1025<def> = MOV32rr %reg1029 %reg1026<def> = MOV32rr %reg1030 %reg1024<def> = MOV32rr %reg1028 The copies unnecessarily increase register pressure and it will end up requiring a physical register to be spilled. With -schedule-livein-copies: entry: 0x12049d0, LLVM BB @0x1201fa0, ID#0: Live Ins: %EAX %EDX %ECX %reg1031<def> = MOVPC32r 0 %reg1032<def> = ADD32ri %reg1031, <es:_GLOBAL_OFFSET_TABLE_>, %EFLAGS<imp-def> %reg1024<def> = MOV32rr %EAX %reg1025<def> = MOV32rr %EDX %reg1026<def> = MOV32rr %ECX %reg1027<def> = MOV8rm %reg0, 1, %reg0, 0, Mem:LD(1,1) [0x12018e0 + 0] Much better! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48307 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-12Initial soft-float support for LegalizeTypes. I rewroteDuncan Sands
the fcopysign expansion from LegalizeDAG to get rid of what seems to be a bug: the use of sign extension means that when copying the sign bit from an f32 to an f64, the upper 32 bits of the f64 (now an i64) are set, not just the top bit... I also generalized it to work for any sized floating point types, and removed the bogosity: SDOperand Mask1 = (SrcVT == MVT::f64) ? DAG.getConstantFP(BitsToDouble(1ULL << 63), SrcVT) : DAG.getConstantFP(BitsToFloat(1U << 31), SrcVT); Mask1 = DAG.getNode(ISD::BIT_CONVERT, SrcNVT, Mask1); (here SrcNVT is an integer with the same size as SrcVT). As far as I can see this takes a 1 << 63, converts to a double, converts that to a floating point constant then converts that to an integer constant, ending up with... 1 << 63 as an integer constant! So I just generate this integer constant directly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48305 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-12Change VirtRegMap's dump to dump to cerr, not DOUT, so that itDan Gohman
can be called from within a debuger without having -debug specified on the command-line. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48298 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-12Fix typos in comments.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48297 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-12Fix typo.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48295 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-12Don't try to extract an i32 from an f64. ThisDuncan Sands
getCopyToParts problem was noticed by the new LegalizeTypes infrastructure. In order to avoid this kind of thing in the future I've added a check that EXTRACT_ELEMENT is only used with integers. Once LegalizeTypes is up and running most likely BUILD_PAIR and EXTRACT_ELEMENT can be removed, in favour of using apints instead. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48294 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-12Reimplement the parameter attributes support, phase #1. hilights:Chris Lattner
1. There is now a "PAListPtr" class, which is a smart pointer around the underlying uniqued parameter attribute list object, and manages its refcount. It is now impossible to mess up the refcount. 2. PAListPtr is now the main interface to the underlying object, and the underlying object is now completely opaque. 3. Implementation details like SmallVector and FoldingSet are now no longer part of the interface. 4. You can create a PAListPtr with an arbitrary sequence of ParamAttrsWithIndex's, no need to make a SmallVector of a specific size (you can just use an array or scalar or vector if you wish). 5. All the client code that had to check for a null pointer before dereferencing the pointer is simplified to just access the PAListPtr directly. 6. The interfaces for adding attrs to a list and removing them is a bit simpler. Phase #2 will rename some stuff (e.g. PAListPtr) and do other less invasive changes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48289 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-12Improve the return slot optimization to be both more aggressive (not limited ↵Owen Anderson
to sret parameters), and safer (when the passed pointer might be invalid). Thanks to Duncan and Chris for the idea behind this, and extra thanks to Duncan for helping me work out the trap-safety. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48280 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-12Clean up my own mess.Evan Cheng
X86 lowering normalize vector 0 to v4i32. However DAGCombine can fold (sub x, x) -> 0 after legalization. It can create a zero vector of a type that's not expected (e.g. v8i16). We don't want to disable the optimization since leaving a (sub x, x) is really bad. Add isel patterns for other types of vector 0 to ensure correctness. It's highly unlikely to happen other than in bugpoint reduced test cases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48279 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-12We also need to collect the VN IDs for the PHI instructions for later updating.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48278 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-12When we're determining what registers to coallesce, track the VNInfo IDs for ↵Owen Anderson
the definitions that feed the PHI instructions. We'll need these IDs in order to update LiveIntervals properly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48277 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-12when the bitcode reader is referencing a paramattr, make sure to bump its ↵Chris Lattner
refcount. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48276 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-12Total brain cramp.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48274 91177308-0d34-0410-b5e6-96231b3b80d8
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