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2009-08-17change AsmPrinter to switch sections using AsmStreamer instead ofChris Lattner
doing it directly. This requires const'izing a bunch of stuff that took sections, but this seems like the right semantic thing to do: emitting a label to a section shouldn't mutate the MCSection object itself, for example. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79227 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-17give MCAsmStreamer a TargetAsmInfo.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79222 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-16Replace RegScavenger::DistanceMap with a simpler local algorithm.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79195 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-16Clean up the public interface of RegScavenger.Jakob Stoklund Olesen
Remove unused methods and make others private. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79194 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-16Be more clever about regclasses in ScheduleDAGSDNodes::EmitCopyFromReg.Jakob Stoklund Olesen
If two uses of a CopyFromReg want different regclasses, first try a common sub-class, then fall back on the copy emitted in AddRegisterOperand. There is no need for an assert here. The cross-class joiner usually cleans up nicely. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79193 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-15Needs to check whether unaligned load / store of i64 is legal here.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79150 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-15Remove <iostream>.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79146 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-15Unbreak build. Evan, please make sure my changes are correct.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79133 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-15Refine EarlyClobber assert in register scavenger.Jakob Stoklund Olesen
It is legal for an inline asm operand to use an earlyclobber register if the use operand is tied to the earlyclobber operand. The issue is discussed here: http://gcc.gnu.org/ml/gcc/1999-04n/msg00431.html We should perhaps let only the machine code verifier worry about these finer details. EarlyClobber operands are not really interesting to the scavenger. This fixes PR4528 for the third time. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79122 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-15Don't setCalleeSavedInfoValid() until spills are interted.Jakob Stoklund Olesen
In a naked function, the flag is never set and getPristineRegs() returns an empty list. That means naked functions are able to clobber callee saved registers, but that is the whole point of naked functions. This fixes PR4716. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79096 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-15Allow double defs in the machine code verifier after the addPreRegAlloc passes.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79095 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-15Update LocalRewriter::DistanceMap when inserting stack loads.Jakob Stoklund Olesen
In the included test case, a stack load was not included in DistanceMap. That caused TransferDeadness to ignore the instruction, leading to a scavenger assert. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79090 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-1580 col violations.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79087 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-15Simplify this code to not depend as much on CurMBB.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79068 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-14Do not completely skip subrange info for a zero sized array.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79044 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-14Allow targets to specify their choice of calling conventions perAnton Korobeynikov
libcall. Take advantage of this in the ARM backend to rectify broken choice of CC when hard float is in effect. PIC16 may want to see if it could be of use in MakePIC16Libcall, which works unchanged. Patch by Sandeep! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79033 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-14*try* to use a better name to describe how common symbols are marked on the ↵Bruno Cardoso Lopes
elf object file. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79029 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-14Add virtual printMCInst method to AsmPrinter, as a quick way to expose the APIDaniel Dunbar
to print one instruction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78985 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-14Indentation change.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78978 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-13TargetRegistry: Change AsmPrinter constructor to be typed as returning anDaniel Dunbar
AsmPrinter instance (instead of just a FunctionPass) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78962 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-13Actually privatize a IntegerTypes, and fix a few bugs exposed by this.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78955 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-13Push LLVMContexts through the IntegerType APIs.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78948 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-13Remove hack used to strip unwanted chars from section nameBruno Cardoso Lopes
Use MCSectionELF methods as much as possible, removing some ELFWriter methods which are now unused git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78940 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-13TargetRegistry: Reorganize AsmPrinter construction so that clients pass in theDaniel Dunbar
TargetAsmInfo. This eliminates a dependency on TargetMachine.h from TargetRegistry.h, which technically was a layering violation. - Clients probably can only sensibly pass in the same TargetAsmInfo as the TargetMachine has, but there are only limited clients of this API. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78928 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-13Track pristine registers as if they were live-in in the register scavenger.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78913 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-13Use pristine register info in machine code verifier.Jakob Stoklund Olesen
So far these registers are simply tracked as if they were live-in. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78912 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-13Add MachineFrameInfo::getPristineRegisters(MBB) method.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78911 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-13Add callback to allow target to adjust latency of schedule dependency edge.David Goodwin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78910 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-13Change MCSectionELF to represent a section semantically instead ofBruno Cardoso Lopes
syntactically as a string, very similiar to what Chris did with MachO. The parsing support and validation is not introduced yet. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78890 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-13Various AsmWriter output cleanups. Use WriteAsOperand instead ofDan Gohman
PrintUnmangledNameSafely. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78878 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-12Fix counting of Post-RA scheduling stalls. Improve debug output.David Goodwin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78843 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-12Added RegisterCoalescer to required passes for PBQP.Lang Hames
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78840 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-12Use WriteAsOperand to print BasicBlock names.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78838 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-12Fix a few more places to use PadToColumn instead of tabs. And fixDan Gohman
the basic block label printing to check whether a block has a name before printing a comment character and whitespace for it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78830 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-12Use PadToColumn instead of tabs for aligning comments. Fix one placeDan Gohman
that emitted unnecessary whitespace outside of VerboseAsm mode. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78828 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-12Enhance the InstrStage object to enable the specification of an Itinerary ↵David Goodwin
with overlapping stages. The default is to maintain the current behavior that the "next" stage immediately follows the previous one. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78827 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-12Add catch block handling to SjLj exception handling.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78817 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
2009-08-12This logic was accidentally inverted in r78767.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78773 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-12Factor out the code for finding an available register for useDan Gohman
in breaking an anti-dependence into a separate function. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78767 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-12Add contexts to some of the MVT APIs. No functionality change yet, just the ↵Owen Anderson
infrastructure work needed to get the contexts to where they need to be first. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78759 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11Change the asmprinter to print the comment character before theChris Lattner
"inlineasmstart/end" strings so that the contents of the directive are separate from the comment character. This lets elf targets get #APP/#NOAPP for free even if they don't use "#" as the comment character. This also allows hoisting the darwin stuff up to the shared TAI class. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78737 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11Allow a zero cycle stage to reserve/require a FU without advancing the cycle ↵David Goodwin
counter. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78736 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11Fix warnings.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78725 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
2009-08-11"TAI::JumpTableDirective" is always null for current arm targets, simplifyChris Lattner
the code based on this and make it fall through better. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78708 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11Use DEBUG macro for debug output.David Goodwin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78694 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11Add some debug output.David Goodwin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78687 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11Tidy #includes.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78677 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11Remove unnecessary throw() specifications; LLVM doesn't use exceptions.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78667 91177308-0d34-0410-b5e6-96231b3b80d8
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