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path: root/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
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2010-07-08Revert 107840 107839 107813 107804 107800 107797 107791.Dan Gohman
Debug info intrinsics win for now. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107850 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-07Implement bottom-up fast-isel. This has the advantage of not requiringDan Gohman
a separate DCE pass over MachineInstrs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107804 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-07Add X86FastISel support for return statements. This entails refactoringDan Gohman
a bunch of stuff, to allow the target-independent calling convention logic to be employed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107800 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-07Move FunctionLoweringInfo.h out into include/llvm/CodeGen. This willDan Gohman
allow target-specific fast-isel code to make use of it directly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107787 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-07Split the SDValue out of OutputArg so that SelectionDAG-independentDan Gohman
code can do calling-convention queries. This obviates OutputArgReg. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107786 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-06CanLowerReturn doesn't need a SelectionDAG; it just needs an LLVMContext.Dan Gohman
SelectBasicBlock doesn't needs its BasicBlock argument. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107712 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-06Propagate debug loc.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107710 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-05random tidyingChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107612 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-02Propagate the AlignStack bit in InlineAsm's to the Dale Johannesen
PrologEpilog code, and use it to determine whether the asm forces stack alignment or not. gcc consistently does not do this for GCC-style asms; Apple gcc inconsistently sometimes does it for asm blocks. There is no convenient place to put a bit in either the SDNode or the MachineInstr form, so I've added an extra operand to each; unlovely, but it does allow for expansion for more bits, should we need it. PR 5125. Some existing testcases are affected. The operand lists of the SDNode and MachineInstr forms are indexed with awesome mnemonics, like "2"; I may fix this someday, but not now. I'm not making it any worse. If anyone is inspired I think you can find all the right places from this patch. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107506 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-02Rename CreateReg to CreateRegs, and MakeReg to CreateReg.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107451 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-01Rename CreateRegForValue to CreateReg, and change its argumentDan Gohman
from a Value to a Type, because it doesn't actually care about the Value. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107383 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-01Reapply r106422, splitting the code for materializing a value out ofDan Gohman
SelectionDAGBuilder::getValue into a helper function, with fixes to use DenseMaps safely. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107371 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-01Don't use operator[] here, because it's not desirable to insert a defaultDan Gohman
value if the search fails. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107368 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-30Remove an unused variable. The call to getRoot has side-effects, soDuncan Sands
this could break something (but doesn't seem to). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107295 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-30use ArgOperand APIGabor Greif
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107279 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-29Remove initialized but otherwise unused variables.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107127 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-25The hasMemory argument is irrelevant to how the argumentDale Johannesen
for an "i" constraint should get lowered; PR 6309. While this argument was passed around a lot, this is the only place it was used, so it goes away from a lot of other places. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106893 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-25Remove variables which are assigned to but for which the valueDuncan Sands
is not used. Spotted by gcc-4.6. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106854 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-25use ArgOperand APIGabor Greif
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106836 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-24Simplify this code; switch lowering shouldn't produce casesDan Gohman
which trivially fold away. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106765 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-24Optimize the "bit test" code path for switch lowering in theDan Gohman
case where the bit mask has exactly one bit. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106716 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-21Revert r106422, which is breaking the non-fast-isel path.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106423 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-21More changes for non-top-down fast-isel.Dan Gohman
Split the code for materializing a value out of SelectionDAGBuilder::getValue into a helper function, so that it can be used in other ways. Add a new getNonRegisterValue function which uses it, for use in code which doesn't want a CopyFromReg even when FuncMap.ValueMap already has an entry for it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106422 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-18Eliminate unnecessary uses of getZExtValue().Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106279 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-01Keep track of incoming debug value of unused argument.Devang Patel
Radar 7927666. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105285 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-29Reorder some code in SelectionDAGBuilder.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105105 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-29SelectionDAG shouldn't have a FunctionLoweringInfo member. RegsForValueDan Gohman
shouldn't have a TargetLoweringInfo member. And FunctionLoweringInfo::set doesn't needs its EnableFastISel argument. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105101 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-28Eliminate the restriction that the array size in an alloca must be i32.Dan Gohman
This will help reduce the amount of casting required on 64-bit targets. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104911 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-27back out 104862/104869. Can reuse stacksave after all. Very cool.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104897 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-27hook ISD::STACKADDR to an intrinsicJim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104869 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-26Adjust eh.sjlj.setjmp to properly have a chain and to have an opcode entry inJim Grosbach
ISD::. No functional change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104734 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-22Implement eh.sjlj.longjmp for ARM. Clean up the intrinsic a bit.Jim Grosbach
Followups: docs patch for the builtin and eh.sjlj.setjmp cleanup to match longjmp. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104419 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-11I got tired of VISIBILITY_HIDDEN colliding with the gcc enum. Rename itDuncan Sands
to LLVM_LIBRARY_VISIBILITY and introduce LLVM_GLOBAL_VISIBILITY, which is the opposite, for future use by dragonegg. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103495 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-11Fixes for Microsoft Visual Studio 2010, from Steven Watanabe!Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103457 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-07Verify variable directly.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103305 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-05Use getValue() for PHINodes when direct NodeMap access does not work. Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103126 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-01Don't pass SDValues by non-const reference unless they may beDan Gohman
modified. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102816 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-01Reorgnaize more switch code lowering to clean up some trickyDan Gohman
code, and to eliminate the need for the SelectionDAGBuilder state to be live during CodeGenAndEmitDAG calls. Call SDB->clear() before CodeGenAndEmitDAG calls instead of before it, and move the CurDAG->clear() out of SelectionDAGBuilder, which doesn't own the DAG, and into CodeGenAndEmitDAG. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102814 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-01Delete the EdgeMapping variable itself.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102810 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-29Refactor.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102661 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-29DO not push DBG_VALUE machine instructions for inlined fuction arguments in ↵Devang Patel
entry block. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102653 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-29Re-enable 102565 with fixes.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102602 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-29Temporarily disable my changes to unbreak the build.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102590 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-29Do not generate duplicate dbg_value instructions for function arguments.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102585 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-29Avoid emitting a dbg_value machineinstr that's not going to be inserted into ↵Evan Cheng
entry block. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102581 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-29Check Reg against zero.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102573 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-28tidy up.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102558 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-28Replace r102368 with code that's less fragile. This creates DBG_VALUE ↵Evan Cheng
instructions for function arguments early and insert them after instruction selection is done. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102554 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-27Ignore DBG_VALUE instructions that points to undef values.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102463 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-27Revert a small part of 102372; this fixes at least oneDale Johannesen
of the dbg testsuite regressions. I don't think this is really the right fix; this change exposed an existing problem upstream somewhere. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102410 91177308-0d34-0410-b5e6-96231b3b80d8
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