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2008-07-09Add code for default section falgs computationAnton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53290 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-09Back out 53254. It broke ppc debug info codegen.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53280 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-09Silence warning by initializing variable.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53278 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-09Fixed features usage.Bruno Cardoso Lopes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53277 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-09random bugfix sitting in my tree.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53274 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-09Fixe typos and 80 column size problemsBruno Cardoso Lopes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53272 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-09MipsTargetLowering cleanupBruno Cardoso Lopes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53270 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-08Make debug info come out in data-only files.Dale Johannesen
This is a question of the debugging setup code not being called at the right time, and it's called from target-dependent code for some reason. I have only attempted to fix Darwin, but I'm pretty sure it's broken elsewhere; I'll leave that to people who can test it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53254 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-08Unbreak C++ tests on x86 Darwin.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53237 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-08Pacify gcc-4.3.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53227 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-08Avoid unnecessary string construction during asm printing.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53215 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-07Pool-allocation for MachineInstrs, MachineBasicBlocks, andDan Gohman
MachineMemOperands. The pools are owned by MachineFunctions. This drastically reduces the number of calls to malloc/free made during the "Emit" phase of scheduling, as well as later phases in CodeGen. Combined with other changes, this speeds up the "instruction selection" phase of CodeGen by 10% in some cases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53212 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-07Clean up PPC register specification.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53209 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-07ATT asm printer just print register AsmName's instead of calling tolower on ↵Evan Cheng
each charater of Name. This speeds it up by 10%. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53208 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-07TargetRegisterDesc::Name field is the same as the abstract register name. ↵Evan Cheng
There is no need for targets to specify register names in addition to their AsmName's. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53207 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-07Simplify this use of BuildMI. This is also in preparation forDan Gohman
pool-allocating MachineInstrs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53198 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-07Minor const-correctness fixes.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53196 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-07fixed 32-bit fp_to_sint patternBruno Cardoso Lopes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53192 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-07Add explicit keywords.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53179 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-07Make DenseMap's insert return a pair, to more closely resemble std::map.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53177 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-05Several changes to Mips backend, experimental fp support being the mostBruno Cardoso Lopes
important. - Cleanup in the Subtarget info with addition of new features, not all support yet, but they allow the future inclusion of features easier. Among new features, we have : Arch family info (mips1, mips2, ...), ABI info (o32, eabi), 64-bit integer and float registers, allegrex vector FPU (VFPU), single float only support. - TargetMachine now detects allegrex core. - Added allegrex (Mips32r2) sext_inreg instructions. - *Added Float Point Instructions*, handling single float only, and aliased accesses for 32-bit FPUs. - Some cleanup in FP instruction formats and FP register classes. - Calling conventions improved to support mips 32-bit EABI. - Added Asm Printer support for fp cond codes. - Added support for sret copy to a return register. - EABI support added into LowerCALL and FORMAL_ARGS. - MipsFunctionInfo now keeps a virtual register per function to track the sret on function entry until function ret. - MipsInstrInfo FP support into methods (isMoveInstr, isLoadFromStackSlot, ...), FP cond codes mapping and initial FP Branch Analysis. - Two new Mips SDNode to handle fp branch and compare instructions : FPBrcond, FPCmp - MipsTargetLowering : handling different FP classes, Allegrex support, sret return copy, no homing location within EABI, non 32-bit stack objects arguments, and asm constraint for float. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53146 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-04Rather than having a different custom legalizationDuncan Sands
hook for each way in which a result type can be legalized (promotion, expansion, softening etc), just use one: ReplaceNodeResults, which returns a node with exactly the same result types as the node passed to it, but presumably with a bunch of custom code behind the scenes. No change if the new LegalizeTypes infrastructure is not turned on. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53137 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-04Linux also does not require exception handlingDuncan Sands
moves in order to get correct debug info. Since I can't imagine how any target could possibly be any different, I've just stripped out the option: now all the world's like Darwin! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53134 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-03Back out 53091 for now.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53109 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-03- Remove calls to copyKillDeadInfo which is an N^2 function. Instead, ↵Evan Cheng
propagate kill / dead markers as new instructions are constructed in foldMemoryOperand, convertToThressAddress, etc. - Also remove LiveVariables::instructionChanged, etc. Replace all calls with cheaper calls which update VarInfo kill list. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53097 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-03llvm-gcc sometimes marks external declarations hidden, because intializers areAnton Korobeynikov
processed separately. Honour such situation and emit PIC relocations properly in such case. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53091 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-03commuteInstruction should preserve dead markers.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53060 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-02Make LiveVariables even more optional, by making it optional in the call to ↵Owen Anderson
TargetInstrInfo::convertToThreeAddressInstruction Also, if LV isn't around, then TwoAddr doesn't need to be updating flags, since they won't have been set in the first place. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53058 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-02Add a new getMergeValues method that does not needDuncan Sands
to be passed the list of value types, and use this where appropriate. Inappropriate places are where the value type list is already known and may be long, in which case the existing method is more efficient. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53035 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-01Darwin doesn't need exception handling information for the "move" info whenBill Wendling
debug information is being output, because it's leet! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52994 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-01Avoid creating expensive comment string if it's not going to be printed.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52992 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-01Remove warning about initialization order.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52980 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-01Prune a few dependencies on MachineFunction.h.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52976 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-01Do not use computationally expensive scheduling heuristics with -fast.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52971 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-01Make the subregister hashtable output more readable by wrapping the lines,Owen Anderson
and mark it const along with the associated changes to TargetRegisterInfo. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52966 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-01Highlight that getMergeValues optimization isDuncan Sands
being suppressed here. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52952 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-01Replace the dynamically computed std::set lookup method for subregisters ↵Owen Anderson
with a hashtable-based version that is computed by tblgen at the time LLVM is compiled. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52945 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-01Split ISD::LABEL into ISD::DBG_LABEL and ISD::EH_LABEL, eliminatingDan Gohman
the need for a flavor operand, and add a new SDNode subclass, LabelSDNode, for use with them to eliminate the need for a label id operand. Change instruction selection to let these label nodes through unmodified instead of creating copies of them. Teach the MachineInstr emitter how to emit a MachineInstr directly from an ISD label node. This avoids the need for allocating SDNodes for the label id and flavor value, as well as SDNodes for each of the post-isel label, label id, and label flavor. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52943 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-30Don't use ISD namespace opcodes for MachineInstrs.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52932 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-30std::ostream and std::string microoptimizations for asm printing.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52929 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-30Update comments to new-style syntax.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52925 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-30Rename ISD::LOCATION to ISD::DBG_STOPPOINT to better reflect itsDan Gohman
purpose, and give it a custom SDNode subclass so that it doesn't need to have line number, column number, filename string, and directory string, all existing as individual SDNodes to be the operands. This was the only user of ISD::STRING, StringSDNode, etc., so remove those and some associated code. This makes stop-points considerably easier to read in -view-legalize-dags output, and reduces overhead (creating new nodes and copying std::strings into them) on code containing debugging information. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52924 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-30Split scheduling from instruction selection.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52923 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-30Replace some std::vectors that showed up in heap profiling withDan Gohman
SmallVectors. Change the signature of TargetLowering::LowerArguments to avoid returning a vector by value, and update the two targets which still use this directly, Sparc and IA64, accordingly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52917 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-30Revert the SelectionDAG optimization that makesDuncan Sands
it impossible to create a MERGE_VALUES node with only one result: sometimes it is useful to be able to create a node with only one result out of one of the results of a node with more than one result, for example because the new node will eventually be used to replace a one-result node using ReplaceAllUsesWith, cf X86TargetLowering::ExpandFP_TO_SINT. On the other hand, most users of MERGE_VALUES don't need this and for them the optimization was valuable. So add a new utility method getMergeValues for creating MERGE_VALUES nodes which by default performs the optimization. Change almost everywhere to use getMergeValues (and tidy some stuff up at the same time). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52893 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-28Start refactoring of asmprinters: provide a TAI hook, which will select a ↵Anton Korobeynikov
'section kind' for a global. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52868 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-28UnbreakAnton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52866 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-28Temporary rever invalid commitAnton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52865 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-28Move printing of module-level GVs into dedicated helperAnton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52864 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-28Use common naming conventionAnton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52863 91177308-0d34-0410-b5e6-96231b3b80d8
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