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2010-07-08Fix broken isCopy handling in TrimLiveIntervalToLastUseJakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107921 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-08Fix decl/def debug info for template functions. Radar 8063111.Stuart Hastings
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107919 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-08Reuse DIEInteger for 1. This is frequently used while emitting an attribute ↵Devang Patel
using dwarf::DW_FORM_flag form. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107903 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-08Clean up scavengeRegister() a bit to prefer available regs, which allowsJim Grosbach
the simplification of frame index register scavenging to not have to check for available registers directly and instead just let scavengeRegister() handle it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107880 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-08Convert EXTRACT_SUBREG to COPY when emitting machine instrs.Jakob Stoklund Olesen
EXTRACT_SUBREG no longer appears as a machine instruction. Use COPY instead. Add isCopy() checks in many places using isMoveInstr() and isExtractSubreg(). The isMoveInstr hook will be removed later. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107879 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-08Remove references to INSERT_SUBREG after de-SSA.Jakob Stoklund Olesen
Fix X86InstrInfo::convertToThreeAddressWithLEA to generate COPY instead of INSERT_SUBREG. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107878 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-08Merge the duplicated iabs optimization in DAGCombiner and let it detected a ↵Benjamin Kramer
few more idioms. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107868 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-08Add TargetInstrInfo::copyPhysReg hook and use it from LowerSubregs.Jakob Stoklund Olesen
This target hook is intended to replace copyRegToReg entirely, but for now it calls copyRegToReg. Any remaining calls to copyRegToReg wil be replaced by COPY instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107854 91177308-0d34-0410-b5e6-96231b3b80d8
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
2010-07-08When processing frame index virtual registers, consider all available registersJim Grosbach
(if there are any) and use the one which remains available for the longest rather than just using the first one. This should help enable better re-use of the loaded frame index values. rdar://7318760 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107847 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-07Don't forward-declare registers for static allocas, which we'llDan Gohman
prefer to materialize as local constants. This fixes the clang bootstrap abort. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107840 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-07Fix -fast-isel-abort to check the right instruction.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107839 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-07One MDNode may be used to create regular DIE as well as abstract DIE.Devang Patel
Keep track of abstract subprogram DIEs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107822 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-07Move getExtLoad() and (some) getLoad() DebugLoc argument after EVT argument ↵Evan Cheng
for consistency sake. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107820 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-07Not all custom inserters create new basic blocks. If the inserterDan Gohman
didn't create a new block, don't reset the insert position. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107813 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-07Rename couple of maps.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107810 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-0780 cols.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107807 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
2010-07-07Update the insert position after scheduling, which may change theDan Gohman
position when emitting multiple blocks when executing a custom inserter. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107797 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-07Update comment.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107796 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-07Fix debugging strings.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107795 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-07Give FunctionLoweringInfo an MBB member, avoiding the need to pass itDan Gohman
around everywhere, and also give it an InsertPt member, to enable isel to operate at an arbitrary position within a block, rather than just appending to a block. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107791 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-07Simplify FastISel's constructor by giving it a FunctionLoweringInfoDan Gohman
instance, rather than pointers to all of FunctionLoweringInfo's members. This eliminates an NDEBUG ABI sensitivity. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107789 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
2010-07-07Move CallingConvLower.cpp out of the SelectionDAG directory.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107781 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-07Fix more places assuming subregisters have live intervalsJakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107780 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-07Add a getFirstNonPHI utility function.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107778 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-07Revert "Remove references to INSERT_SUBREG after de-SSA" r107725.Jakob Stoklund Olesen
Buildbot breakage. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107744 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-06By default, the eh.sjlj.setjmp/longjmp intrinsics should just do nothing ratherJim Grosbach
than assuming a target will custom lower them. Targets which do so should exlicitly mark them as having custom lowerings. PR7454. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107734 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-06Remove references to INSERT_SUBREG after de-SSAJakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107732 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-06Convert INSERT_SUBREG to COPY in TwoAddressInstructionPass.Jakob Stoklund Olesen
INSERT_SUBREG will now only appear in SSA machine instructions. Fix the handling of partial redefs in ProcessImplicitDefs. This is now relevant since partial redef COPY instructions appear. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107726 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
2010-07-06One more case assuming that subregs have live ranges.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107700 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-06Fix buildbot breakage where a def is missing.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107698 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-06Be more forgiving when calculating alias interference for physreg coalescing.Jakob Stoklund Olesen
It is OK for an alias live range to overlap if there is a copy to or from the physical register. CoalescerPair can work out if the copy is coalescable independently of the alias. This means that we can join with the actual destination interval instead of using the getOrigDstReg() hack. It is no longer necessary to merge clobber ranges into subregisters. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107695 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-06Reapply r107655 with fixes; insert the pseudo instruction intoDan Gohman
the block before calling the expansion hook. And don't put EFLAGS in a mbb's live-in list twice. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107691 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-06Fix to 80-col.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107684 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-06tighten up this code.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107670 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-06Revert r107655.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107668 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-06Add versions of OutputArgReg, AnalyzeReturn, and AnalyzeCallOperandsDan Gohman
which do not depend on SelectionDAG. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107666 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-06Fix a major regression on COFF targets introduced by r103267: 'discardable' ↵Anton Korobeynikov
section means that it is used only during the program load and can be discarded afterwards. This way *only* debug sections can be discarded, but not the opposite. Seems like the copy-and-pasto from ELF code, since there it contains the reverse flag ('alloc'). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107658 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-06Fix a bunch of custom-inserter functions to handle the case whereDan Gohman
the pseudo instruction is not at the end of the block. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107655 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-06Fix up -fstack-protector on linux to use the segmentEric Christopher
registers. Split out testcases per architecture and os now. Patch from Nelson Elhage. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107640 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-05more tidying.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107615 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
2010-07-04Print symbolic subreg indices on REG_SEQUENCE and INSERT_SUBREG.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107602 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-04Infer alignments of fixed frame objects when they are constructed. This ↵Evan Cheng
ensures remat'ed loads from fixed slots have the right alignments. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107591 91177308-0d34-0410-b5e6-96231b3b80d8
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