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2012-11-07[mips] Custom-lower ISD::FRAME_TO_ARGS_OFFSET node.Akira Hatanaka
Patch by Sasa Stankovic. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167548 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-07Delete MipsFunctionInfo::NextStackOffset. No functionality change intended. Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167546 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-03[mips] Set flag neverHasSideEffects flag on floating point conversionAkira Hatanaka
instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167348 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-03[mips] Set flag isAsCheapAsAMove flag on instruction LUi.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167345 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-03[mips] Stop reserving register AT and use register scavenger when a scratchAkira Hatanaka
register is needed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167341 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-02[mips] Do not reserve all 64-bit registers, but only the ones which need to beAkira Hatanaka
reserved. Without this fix, RegScavenger::getRegsAvailable incorrectly returns an empty set of integer registers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167335 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-02[mips] Use register number instead of name to print register $AT.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167315 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-02[mips] Add function MipsFrameLowering::estimateStackSize.Akira Hatanaka
This function estimates stack size and will be called before PrologEpilogInserter scans the callee-saved registers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167313 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-02[mips] Add member field MipsFunctionInfo::IncomingArgSize which holds the sizeAkira Hatanaka
of the incoming argument area. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167312 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-02[mips] Delete MipsFunctionInfo::EmitNOAT. Unconditionally print directiveAkira Hatanaka
"set .noat" so that the assembler doesn't issue warnings when register $AT is used. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167310 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-31[mips] Set isAsCheapAsAMove flag on ADDiu and DADDiu, which enablesAkira Hatanaka
re-materialization of immediate loads. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167153 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-31Implement ADJCALLSTACKUP and ADJCALLSTACKDOWNReed Kotler
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167107 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-30[mips] Allow tail-call optimization for vararg functions and functions whichAkira Hatanaka
use the caller's stack. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167048 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-30Add code for saving formal argument information to MipsFunctionInfo. ThisAkira Hatanaka
information will be used by IsEligibleForTailCallOptimization to determine whether a call can be tail-call optimized. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167043 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-30Add definition of function MipsTargetLowering::passArgOnStack which emits nodesAkira Hatanaka
for passing a function call argument on a stack. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167041 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-30Do not do tail-call optimization if target is mips16.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167039 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-30Change mips16 delay slot jumps to non delay slot forms by default.Reed Kotler
We will make them delay slot forms if there is something that can be placed in the delay slot during a separate pass. Mips16 extended instructions cannot be placed in delay slots. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166990 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-29Implement patterns for extloadi8 and extloadi16Reed Kotler
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166960 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-29Expand all atomic ops for mips16.Reed Kotler
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166935 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-28Implement brind operator for mips16.Reed Kotler
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166903 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-28Remove TargetELFWriterInfo.Rafael Espindola
All the credit goes to Jan Voung for noticing it was dead! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166902 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-28This patch is for the implementation of mips16 complex pattern addr16.Reed Kotler
Previously mips16 was sharing the pattern addr which is used for mips32 and mips64. This had a number of problems: 1) Storing and loading byte and halfword quantities for mips16 has particular problems due to the primarily non mips16 nature of SP. When we must load/store byte/halfword stack objects in a function, we must create a mips16 alias register for SP. This functionality is tested in stchar.ll. 2) We need to have an FP register under certain conditions (such as dynamically sized alloca). We use mips16 register S0 for this purpose. In this case, we also use this register when accessing frame objects so this issue also affects the complex pattern addr16. This functionality is tested in alloca16.ll. The Mips16InstrInfo.td has been updated to use addr16 instead of addr. The complex pattern C++ function for addr has been copied to addr16 and updated to reflect the above issues. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166897 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-27Implement MipsHi for mips16Reed Kotler
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166852 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-27[mips] Do not tail-call optimize vararg functions or functions with byvalAkira Hatanaka
arguments. This is rather conservative and should be fixed later to be more aggressive. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166851 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-27[mips] Make sure FuncArg doesn't advance when OrigArgIndex is the same as in theAkira Hatanaka
previous iteration. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166850 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-27Use the methods and classes that were added to simplify LowerCall and Akira Hatanaka
LowerFormalArguments in MipsTargetLowering. No functionality change intended. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166846 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-27Add method MipsTargetLowering::writeVarArgRegs which copies argument registersAkira Hatanaka
of vararg functions back to the stack. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166844 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-27Add method MipsTargetLowering::passByValArg.Akira Hatanaka
This method emits nodes for passing byval arguments in registers and stack. This has the same functionality as existing functions PassByValArg64 and WriteByValArg which will be deleted later. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166843 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-27Add method MipsTargetLowering::copyByValRegs.Akira Hatanaka
This method copies byval arguments passed in registers onto the stack and has the same functionality as existing functions CopyMips64ByValRegs and ReadByValArg which will be deleted later. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166841 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-26Add class MipsCC which provides methods used to analyze formal and callAkira Hatanaka
arguments and inquire about calling convention information. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166840 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-26Delete MipsFunctionInfo::InArgFIRange. Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166837 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-26implement mips16 tls global addrReed Kotler
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166827 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-26git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166780 ↵Reed Kotler
91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-26Implement carry for subtract/add for mips16Reed Kotler
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166755 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-26implement large (>16 bit) constant loading.Reed Kotler
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166749 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-25implement mips16 patterns for select nodesReed Kotler
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166721 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-25[ms-inline asm] Add support for creating AsmRewrites in the target specificChad Rosier
AsmParser logic. To be used/tested in a subsequent commit. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166714 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-24Implement a basic VectorTargetTransformInfo interface to be used by the loop ↵Nadav Rotem
and bb vectorizers for modeling the cost of instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166593 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-24[mips] Make sure sret argument is returned in register V0.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166539 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-23implement setXX patternsReed Kotler
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166459 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-19[mips] Use 64-bit registers to return an sret pointer if target ABI is N64.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166344 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-19[mips] Add code to do tail call optimization.Akira Hatanaka
Currently, it is enabled only if option "enable-mips-tail-calls" is given and all of the callee's arguments are passed in registers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166342 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-19[mips] Fix TAILCALL's operand node type.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166341 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-19[mips] Delete MipsFunctionInfo::MaxCallFrameSize which is no longer used.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166339 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-19[mips] Add tail call instructions.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166338 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-19[mips] Make the branch nodes used in jump instructions a template parameter.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166337 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-19Add node and enum for mips tail call.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166318 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-18Reapply the TargerTransformInfo changes, minus the changes to LSR and ↵Nadav Rotem
Lowerinvoke. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166248 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-18Temporarily revert the TargetTransform changes.Bob Wilson
The TargetTransform changes are breaking LTO bootstraps of clang. I am working with Nadav to figure out the problem, but I am reverting it for now to get our buildbots working. This reverts svn commits: 165665 165669 165670 165786 165787 165997 and I have also reverted clang svn 165741 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166168 91177308-0d34-0410-b5e6-96231b3b80d8
2012-10-17Add conditional branch instructions and their patterns.Reed Kotler
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166134 91177308-0d34-0410-b5e6-96231b3b80d8
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