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2010-01-19give MCAsmInfo a 'has little endian' bit. This is unfortunate, butChris Lattner
I really want clients of the streamer to be able to say "emit this 64-bit integer" and have it get broken down right by the streamer. I may change this in the future, we'll see how it works out. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93934 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-19Now that we have everything nicely factored (e.g. asmprinter is notChris Lattner
doing global variable classification anymore) and hookized, sink almost all target targets global variable emission code into AsmPrinter and out of each target. Some notes: 1. PIC16 does completely custom and crazy stuff, so it is not changed. 2. XCore has some custom handling for extra directives. I'll look at it next. 3. This switches linux/ppc to use .globl instead of .global. If .globl is actually wrong, let me know and I'll fix it. 4. This makes linux/ppc get a lot of random cases right which were obviously wrong before, it is probably now a bit healthier. 5. Blackfin will probably start getting .comm and other things that it didn't before. If this is undesirable, it should explicitly opt out of these things by clearing the relevant fields of MCAsmInfo. This leads to a nice diffstat: 14 files changed, 127 insertions(+), 830 deletions(-) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93858 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-19use %object like other elf targets, gas accepts either.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93857 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-17now that MCSymbol::print doesn't use it's MAI argument, we can Chris Lattner
remove it and change all the code that prints MCSymbols to use << instead, which is much simpler and cleaner. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93695 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-16switch more stuff onto MCSymbolsChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93608 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-16switch X86 target off CurFunctionName and MCIze more.Chris Lattner
Note that the code wasn't calling DecorateCygMingName when emitting the ".ascii -export" stuff at the end of file for DLLExported functions. I don't know if it should or not, but I'm preserving behavior. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93603 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-16MCize a bunch more stuff, eliminating a lot of uses of the manglerChris Lattner
and CurrentFnName. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93594 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-15add a AsmPrinter::GetGlobalValueSymbol and GetExternalSymbolSymbolChris Lattner
helper method, use it to simplify some code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93575 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05Change SelectCode's argument from SDValue to SDNode *, to make it moreDan Gohman
clear what information these functions are actually using. This is also a micro-optimization, as passing a SDNode * around is simpler than passing a { SDNode *, int } by value or reference. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92564 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-23Remove ISD::DEBUG_LOC and ISD::DBG_LABEL, which are no longer used.Dan Gohman
Note that "hasDotLocAndDotFile"-style debug info was already broken; people wanting this functionality should implement it in the AsmPrinter/DwarfWriter code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89711 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-21We are not using DBG_STOPPOINT anymore.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89536 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-13Move DebugInfo checks into EmitComments and remove them fromDavid Greene
target-specific AsmPrinters. Not all comments need DebugInfo. Re-enable the line numbers comment test. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88697 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-12Make the MachineFunction argument of getFrameRegister const.David Greene
This also fixes a build error. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@87027 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-12Add a bool flag to StackObjects telling whether they reference spillDavid Greene
slots. The AsmPrinter will use this information to determine whether to print a spill/reload comment. Remove default argument values. It's too easy to pass a wrong argument value when multiple arguments have default values. Make everything explicit to trap bugs early. Update all targets to adhere to the new interfaces.. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@87022 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-11Set isBarrier = 1 on return instructions, as they are control barriers.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86851 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-07indicate what the native integer types for the target are.Chris Lattner
Please verify. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86397 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-05Remove uninteresting and confusing debug output.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86149 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-29Rename usesCustomDAGSchedInserter to usesCustomInserter, and update aDan Gohman
bunch of associated comments, because it doesn't have anything to do with DAGs or scheduling. This is another step in decoupling MachineInstr emitting from scheduling. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85517 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-25Remove VISIBILITY_HIDDEN from class/struct found inside anonymous namespaces.Nick Lewycky
Chris claims we should never have visibility_hidden inside any .cpp file but that's still not true even after this commit. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85042 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-07Add register-reuse to frame-index register scavenging. When a target usesJim Grosbach
a virtual register to eliminate a frame index, it can return that register and the constant stored there to PEI to track. When scavenging to allocate for those registers, PEI then tracks the last-used register and value, and if it is still available and matches the value for the next index, reuses the existing value rather and removes the re-materialization instructions. Fancier tracking and adjustment of scavenger allocations to keep more values live for longer is possible, but not yet implemented and would likely be better done via a different, less special-purpose, approach to the problem. eliminateFrameIndex() is modified so the target implementations can return the registers they wish to be tracked for reuse. ARM Thumb1 implements and utilizes the new mechanism. All other targets are simply modified to adjust for the changed eliminateFrameIndex() prototype. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83467 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-06Instead of printing unnecessary basic block labels as labels inDan Gohman
verbose-asm mode, print comments instead. This eliminates a non-comment difference between verbose-asm mode and non-verbose-asm mode. Also, factor out the relevant code out of all the targets and into target-independent code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83392 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-06Update processDebugLoc() so that it can be used to process debug info before ↵Devang Patel
and after printing an instruction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83363 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-30Use MachineInstr as an processDebugLoc() argument.Devang Patel
This will allow processDebugLoc() to handle scopes for DWARF debug info. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83183 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-25Rename getTargetNode to getMachineNode, for consistency with theDan Gohman
naming scheme used in SelectionDAG, where there are multiple kinds of "target" nodes, but "machine" nodes are nodes which represent a MachineInstr. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82790 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-19Fix PR4926. When target hook EmitInstrWithCustomInserter() insert new basic ↵Evan Cheng
blocks and update CFG, it should also inform sdisel of the changes so the phi source operands will come from the right basic blocks. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82311 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-18Enhance EmitInstrWithCustomInserter() so target can specify CFG changes that ↵Evan Cheng
sdisel will use to properly complete phi nodes. Not functionality change yet. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82273 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15add missing fileChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81881 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15several major improvements to the sparc backend: support for weak linkageChris Lattner
and PIC codegen. Patch by Venkatraman Govindaraju! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81877 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-13Remove unused variables.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81718 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-13remove all but one reference to TargetRegisterDesc::AsmName.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81714 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-13the tblgen produced 'getRegisterName' method does not accessChris Lattner
the object, make it static instead of const. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81711 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-13make tblgen produce a function that returns the name for a physreg.Chris Lattner
Nothing is using this info yet. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81707 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-13replace printBasicBlockLabel with EmitBasicBlockStart,Chris Lattner
now that printBasicBlockLabel is only used for starting a MBB. This allows elimination of a bunch of arguments. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81684 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-13convert some uses of printBasicBlockLabel to use GetMBBSymbolChris Lattner
instead. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81677 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-09remove DebugLoc from MCInst and eliminate "Comment printing" fromChris Lattner
the MCInst path of the asmprinter. Instead, pull comment printing out of the autogenerated asmprinter into each target that uses the autogenerated asmprinter. This causes code duplication into each target, but in a way that will be easier to clean up later when more asmprinter stuff is commonized into the base AsmPrinter class. This also fixes an xcore strangeness where it inserted two tabs before every instruction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81396 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-09hoist the call to processDebugLoc out of the generatedChris Lattner
asm printer into the "printInstruction" routine. This fixes a problem where the experimental asmprinter would drop debug labels in some cases, and fixes issues on ppc/xcore where pseudo instructions like "mr" didn't get debug locs properly. It is annoying that this moves the call from one place into each target, but a future set of more invasive refactorings will fix that problem. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81377 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-08Add source debug information to the Sparc code generator.Richard Pennington
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81215 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-02Retype from unsigned to CallingConv::ID accordingly. Approved by Bob Wilson.Sandeep Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80773 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-31Normalize makefile comments and sort cmake file lists.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80584 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-26Generate section for bss and enable weak symbolsVenkatraman Govindaraju
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80121 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-26test commitVenkatraman Govindaraju
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80070 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-23remove various std::ostream version of printing methods fromChris Lattner
MachineInstr and MachineOperand. This required eliminating a bunch of stuff that was using DOUT, I hope that bill doesn't mind me stealing his fun. ;-) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79813 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-22Forgot to update some CMakeLists.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79780 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-22rename TAI -> MAI, being careful not to make MAILJMP instructions :)Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79777 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-22Rename TargetAsmInfo (and its subclasses) to MCAsmInfo.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79763 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-22Record variable debug info at ISel time directly.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79742 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-19eliminate AsmPrinter::SwitchToSection and just have clientsChris Lattner
talk to the MCStreamer directly instead. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79405 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-12Change TargetAsmInfo to be constructed via TargetRegistry from a Target+TripleChris Lattner
pair instead of from a virtual method on TargetMachine. This cuts the final ties of TargetAsmInfo to TargetMachine, meaning that MC can now use TargetAsmInfo. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78802 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11Split EVT into MVT and EVT, the former representing _just_ a primitive type, ↵Owen Anderson
while the latter is capable of representing either a primitive or an extended type. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78713 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11pass the TargetTriple down from each target ctor to theChris Lattner
LLVMTargetMachine ctor. It is currently unused. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78711 91177308-0d34-0410-b5e6-96231b3b80d8
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