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2010-02-10Move verbose asm instruction comments to using MCStreamer.Chris Lattner
The major win of this is that the code is simpler and they print on the same line as the instruction again: movl %eax, 96(%esp) ## 4-byte Spill movl 96(%esp), %eax ## 4-byte Reload cmpl 92(%esp), %eax ## 4-byte Folded Reload jl LBB7_86 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95738 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-10more comment updatesDale Johannesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95736 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-10Add isDebug argument to ChangeToRegister; this preventsDale Johannesen
the field from being used uninitialized later in some cases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95735 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-09move target-independent opcodes out of TargetInstrInfoChris Lattner
into TargetOpcodes.h. #include the new TargetOpcodes.h into MachineInstr. Add new inline accessors (like isPHI()) to MachineInstr, and start using them throughout the codebase. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95687 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-09Debug operands should not be def or kill.Dale Johannesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95632 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-09Changed the definition of an "invalid" slot to include the empty & tombstone ↵Lang Hames
values, but not zero. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95631 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-08now that @GOTOFF is no longer represented as a suffix on aChris Lattner
MCSymbol, we can remove the 'suffix' argument of GetBlockAddressSymbol. Do so. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95601 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-06Add a Debug bit to MachineOperand, for uses thatDale Johannesen
are from debug info. Add an iterator to MachineRegisterInfo to skip Debug operands when walking the use list. No functional change yet. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95473 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-04Disable external stubs for X86-32 and X86-64Evan Phoenix
Instruction selection for X86 now can choose an instruction sequence that will fit any address of any symbol, no matter the pointer width. X86-64 uses a mov+call-via-reg sequence for this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95323 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-03make MachineModuleInfoMachO hold non-const MCSymbol*'s insteadChris Lattner
of const ones. non-const ones aren't very useful, because you can't even, say, emit them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95205 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-03privatize a bunch of methods and move \n printing into them.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95186 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-02refactor code so that LLVMTargetMachine creates the asmstreamer and Chris Lattner
mccontext instead of having AsmPrinter do it. This allows other types of MCStreamer's to be passed in. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95155 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-02Remove a bunch of stuff around the edges of the ELF writer.Chris Lattner
Now the only use of the ELF writer is the JIT, which won't be easy to fix in the short term. :( :( git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95148 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-01Kill the Mach-O writer, and temporarily make filetype=obj an error.Nate Begeman
The MCStreamer based assemblers will take over for this functionality. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95033 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-01Do an early exit when the result is known cheaply.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95002 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-28Assign the ordering of SDNodes in a much less intrusive fashion. After theBill Wendling
"visit*" method is called, take the newly created nodes, walk them in a DFS fashion, and if they don't have an ordering set, then give it one. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94757 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-28add target hooks for emitting random gunk before and after the function body.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94732 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-28Update of 94055 to track the IR level call site information via an intrinsic.Jim Grosbach
This allows code gen and the exception table writer to cooperate to make sure landing pads are associated with the correct invoke locations. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94726 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-28Give AsmPrinter the most common expected implementation of Chris Lattner
runOnMachineFunction, and switch PPC to use EmitFunctionBody. The two ppc asmprinters now don't heave to define runOnMachineFunction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94722 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-28Remove the argument from EmitJumpTableInfo, because it doesn't need it.Chris Lattner
Move the X86 implementation of function body emission up to AsmPrinter::EmitFunctionBody, which works by calling the virtual EmitInstruction method. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94716 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-28Drop the argument to AsmPrinter::EmitConstantPool and make it virtual.Chris Lattner
Overload it in the ARM backend to do nothing, since is does insane constant pool emission. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94708 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-28rename printVisibility to EmitVisibility and make it private,Chris Lattner
constify EmitLinkage. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94705 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-27add a helper function for bumping up the alignment of a machine function.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94700 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-27add a new AsmPrinter::EmitFunctionEntryLabel virtual function,Chris Lattner
which allows targets to override function entry label emission. Use it to convert linux/ppc to use EmitFunctionHeader(). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94667 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-26pull linkage emission code out to a new EmitLinkage function.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94621 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-26remove a noop function.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94616 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-26now that enough stuff is constified, move function header printingChris Lattner
logic up from X86 into the common code. The other targets will hopefully start using this soon. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94614 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-26constify a bunch of dwarf stuff now that the registerinfo methodChris Lattner
is constified. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94613 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-26Now that printPICJumpTableSetLabel is not overloaded,Chris Lattner
inline it into its only caller, allowing us to simplify it and hoist bits out of the loop. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94528 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-26Move getJTISymbol from MachineJumpTableInfo to MachineFunction,Chris Lattner
which is more convenient, and change getPICJumpTableRelocBaseExpr to take a MachineFunction to match. Next, move the X86 code that create a PICBase symbol to X86TargetLowering::getPICBaseSymbol from X86MCInstLower::GetPICBaseSymbol, which was an asmprinter specific library. This eliminates a 'gross hack', and allows us to implement X86ISelLowering::getPICJumpTableRelocBaseExpr which now calls it. This in turn allows us to eliminate the X86AsmPrinter::printPICJumpTableSetLabel method, which was the only overload of printPICJumpTableSetLabel. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94526 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-26add a new MachineJumpTableInfo::getJTISymbol method,Chris Lattner
use it to implement the default TargetLowering::getPICJumpTableRelocBaseExpr git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94523 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-26rename printPICJumpTableEntry -> EmitJumpTableEntry,Chris Lattner
make it private and non-virtual. It handles the non-pic case too, so just use it, simplifying EmitJumpTableInfo. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94517 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-26add a new MachineBasicBlock::getSymbol method, replacingChris Lattner
the AsmPrinter::GetMBBSymbol. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94515 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-26make MachineFunction keep track of its ID and make Chris Lattner
MachineFunctionAnalysis dole them out, instead of having AsmPrinter do both. Have the AsmPrinter::SetupMachineFunction method set the 'AsmPrinter::MF' variable. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94509 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-26Add support for target-specific 32-bit custom-lowered Chris Lattner
jump table entries. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94505 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-25Rearrange handling of jump tables. Highlights:Chris Lattner
1. MachineJumpTableInfo is now created lazily for a function the first time it actually makes a jump table instead of for every function. 2. The encoding of jump table entries is now described by the MachineJumpTableInfo::JTEntryKind enum. This enum is determined by the TLI::getJumpTableEncoding() hook, instead of by lots of code scattered throughout the compiler that "knows" that jump table entries are always 32-bits in pic mode (for example). 3. The size and alignment of jump table entries is now calculated based on their kind, instead of at machinefunction creation time. Future work includes using the EntryKind in more places in the compiler, eliminating other logic that "knows" the layout of jump tables in various situations. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94470 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-25eliminate redundant argument to EmitJumpTableInfoChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94464 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-25handle the _set_ symbol with an MCSymbol.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94449 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-25sink an arm specific method out of asmprinter into the ARMAsmPrinter andChris Lattner
rename it to avoid shadowing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94440 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-25mcstreamerize .file and .file. This also fixes an issue where theChris Lattner
normal form of .file would fail if the filename had a weird character in it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94437 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-23Remove the '-disable-scheduling' flag and replace it with the 'source' option ofBill Wendling
the '-pre-RA-sched' flag. It actually makes more sense to do it this way. Also, keep track of the SDNode ordering by default. Eventually, we would like to make this ordering a way to break a "tie" in the scheduler. However, doing that now breaks the "CodeGen/X86/abi-isel.ll" test for 32-bit Linux. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94308 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-23mcize visibility directives.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94295 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-23Change constantexpr global variable initializers to convert the constantsChris Lattner
to MCExpr then emit them through MCStreamer with EmitValue. I think all global variable initializers are now going through mcstreamer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94293 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-23mcize jump table and constant pool entry labels, .local on elf,Chris Lattner
and some .weak directives. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94284 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-23emit .ascii and .asciz through MCStreamer.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94282 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-23remove one form of EmitString, just use EmitBytes instead. We mustChris Lattner
be careful to add a \0 at the end though, because EmitString didn't do this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94277 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-22move "EOL" from asmprinter to dwarfprinter. It should eventuallyChris Lattner
be completely eliminated, but today is not that day. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94253 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-22move uleb printing from asmprinter to dwarfprinter, mcize,Chris Lattner
cleanup and eliminate a bunch more uses of "EOL". git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94250 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-22move sleb printing out of asmprinter into dwarf printer, make clientsChris Lattner
handle the comment better, MCize the non-.sleb case. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94244 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-22inline away the trivial AsmPrinter::EOL() method.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94230 91177308-0d34-0410-b5e6-96231b3b80d8