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2009-01-14Do not construct debug scope if RootScope *is* null.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62209 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-14rewrite OptimizeAwayTrappingUsesOfLoads to 1) avoid a temporaryChris Lattner
vector and extraneous loop over it, 2) not delete globals used by phis/selects etc which could actually be useful. This fixes PR3321. Many thanks to Duncan for narrowing this down. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62201 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-13Removoe MachineModuleInfo methods (and related DebugInfoDesc class ↵Devang Patel
hierarchy) that were used to handle debug info. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62199 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-13fix memleaksNuno Lopes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62198 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-13BT appears to be available on all >= i386 chips.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62196 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-13Don't use a BT instruction if the AND has multiple uses.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62195 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-13Disable the register+memory forms of the bt instructions for now. ThanksDan Gohman
to Eli for pointing out that these forms don't ignore the high bits of their index operands, and as such are not immediately suitable for use by isel. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62194 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-13Keep "has debug info" big in MachineModuleInfo to avoid circular dependency ↵Devang Patel
between AsmPrinter and CodeGen. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62191 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-13Undo previous checkin.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62190 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-13Fix testsuite regressions from recursive inlining.Dale Johannesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62189 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-13Use DwarfWriter to record dbg variables.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62185 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-13Use dwarf writer to decide whether the module has debug info or not.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62184 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-13Add bt instructions that take immediate operands.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62180 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-13Fix a few more JIT encoding issues in the BT instructions.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62179 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-13Use assertions to check for conditions that should never happen.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62178 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-13The list-td and list-tdrr schedulers don't yet support physregDan Gohman
scheduling dependencies. Add assertion checks to help catch this. It appears the Mips target defaults to list-td, and it has a regression test that uses a physreg dependence. Such code was liable to be miscompiled, and now evokes an assertion failure. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62177 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-13Make instcombine ensure that all allocas are explicitly aligned at atDan Gohman
least their preferred alignment. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62176 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-13Checking in conditionals, function call, arrays and libcalls implementation.Sanjiv Gupta
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62174 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-13Avoid referring to edge D after the Succs or Preds arrays haveDan Gohman
been modified, to avoid trouble in the (unlikely) scenario that D is a reference to an element in one of those arrays. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62173 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-13When replacing uses and the same node is reachedDuncan Sands
via two paths, process it once not twice, d'oh! Analysis, testcase and original patch thanks to Mon Ping Wang. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62169 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-13Fix some typos. Also, the WidenedVectors mapDuncan Sands
was not being cleaned by ExpungeNode. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62167 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-13Correct a comment - this is not a sign extension.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62166 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-13Correct a comment.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62165 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-13Wind SCEV back in time, to Nov 18th. This 'fixes' PR3275, PR3294, PR3295,Nick Lewycky
PR3296 and PR3302. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62160 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-13add a new insertAfter method, patch by Tom Jablin!Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62158 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-13make -march=cpp handle the nocapture attribute, make it assert if itChris Lattner
sees attributes it doesn't know. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62155 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-13Un-tabify.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62151 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-13FIX llvm-gcc bootstrap on x86_64 linux. If a virtual register is copied to a ↵Evan Cheng
physical register, it's not necessarily defined by a copy. We have to watch out it doesn't clobber any sub-register that might be live during its live interval. If the live interval crosses a basic block, then it's not safe to check with the less conservative check (by scanning uses and defs) because it's possible a sub-register might be live out of the block. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62144 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-13Use DebugInfo interface to lower dbg_* intrinsics.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62127 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-13Start using DebugInfo API to emit debug info.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62125 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-12Emit debug info, only if at least one compile unit is seen.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62118 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-12If multiple compile units are seen then emit them independently. In other ↵Devang Patel
words, do not force all DIEs into first, whatever it is, compile unit. Note, multiple compile unit support is not well tested (it did not work correctly until now anyway.) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62116 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-12Avoid cast<>, use light weith wrapper directly.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62115 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-12Use SrcLineInfo from DwarfWriter. The MachineModuleInfo copy will disappear ↵Devang Patel
soon. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62114 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-12Enable recursive inlining. Reduce inlining thresholdDale Johannesen
back to 200; 400 seems to be too high, loses more than it gains. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62107 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-12Add classof() methods to support isa<> and other related facilities.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62104 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-12Rename getABITypeSize to getTypePaddedSize, asDuncan Sands
suggested by Chris. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62099 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-12Add DwarfWriter interface to mainipulate source location info.Devang Patel
( May be this info should be directly handled by the dwarf writer ? ) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62096 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-12Clear debug info at the end of function processing.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62092 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-12There is no need to maintain separate labelid list in the dwarf writer. It ↵Devang Patel
is not a good idea. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62090 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-12Remove some dead code from the days llvm had type planes.Rafael Espindola
There might be more dead code, but with llvm-gcc bootstrap broken on linux x86-64 it is had to test :-( git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62088 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-12Fix PR3241: Currently EmitCopyFromReg emits a copy from the physical ↵Evan Cheng
register to a virtual register unless it requires an expensive cross class copy. That means we are only treating "expensive to copy" register dependency as physical register dependency. Also future proof the scheduler to handle "normal" physical register dependencies. The code is not exercised yet. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62074 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-12More two-address fixes. This gets lua working with join-creation enabled.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62073 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-12make tblgen autogenerate the nocapture intrinsics for Chris Lattner
llvm.memcpy/memset/memmove. This allows removal of some hackish code from basicaa. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62071 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-12make tblgen emit the entire Intrinsic::getAttributes method, Chris Lattner
not a random piece of it. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62066 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-11Increase default inlining aggressiveness in partialDale Johannesen
compensation for turning off gcc's inliner. This gets us closer to the amount of inlining we were getting before. It is not a win on everything, of course, but seems to gain overall. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62058 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-11simplify CallSite helper class to not consult the Instruction'sGabor Greif
opcode on each delegation. Instead the information is cached on construction and the cached flag used thereafter. Introduced two predicates: isCall and isInvoke. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62055 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-11Duncan is nervous about undefinedness of % with negatives. I'mChris Lattner
not thrilled about 64-bit % in general, so rewrite to use * instead. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62047 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-11do not generated GEPs into vectors where they don't already exist.Chris Lattner
We should treat vectors as atomic types, not like arrays. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62046 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-11Make a couple of cleanups to the instcombine bitcast/gep Chris Lattner
canonicalization transform based on duncan's comments: 1) improve the comment about %. 2) within our index loop make sure the offset stays within the *type size*, instead of within the *abi size*. This allows us to reason explicitly about landing in tail padding and means that issues like non-zero offsets into [0 x foo] types don't occur anymore. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62045 91177308-0d34-0410-b5e6-96231b3b80d8
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