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* Remove dead blocks in the end.Devang Patel2009-02-051-3/+14
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63880 91177308-0d34-0410-b5e6-96231b3b80d8
* Ignore dbg intrinsics while propagating conditional expression info.Devang Patel2009-02-053-16/+19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63876 91177308-0d34-0410-b5e6-96231b3b80d8
* Machine LICM increases register pressure and it almost always increase code ↵Evan Cheng2009-02-051-0/+4
| | | | | | size. For now, disable it for optimizing for size. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63856 91177308-0d34-0410-b5e6-96231b3b80d8
* Turn on machine LICM in non-fast mode.Evan Cheng2009-02-051-5/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63855 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach machine licm to CSE hoisted instructions.Evan Cheng2009-02-051-23/+88
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63854 91177308-0d34-0410-b5e6-96231b3b80d8
* ReMaterializeTrivialDef need to trim the live interval to the last kill if ↵Evan Cheng2009-02-052-79/+108
| | | | | | the copy kills the source register. This fixes uint64tof64.ll after ARM::MOVi is marked as isAsCheapAsAMove. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63853 91177308-0d34-0410-b5e6-96231b3b80d8
* A few more isAsCheapAsAMove.Evan Cheng2009-02-054-4/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63852 91177308-0d34-0410-b5e6-96231b3b80d8
* if we have a large GEP offset on a 32-bit or other target, makeChris Lattner2009-02-051-0/+6
| | | | | | | | sure to print the value properly sext'd to the right pointer size. This fixes PR3481. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63843 91177308-0d34-0410-b5e6-96231b3b80d8
* Pre-alloc splitting needs to be more careful to avoid inserting spills/restoresOwen Anderson2009-02-051-22/+72
| | | | | | | | between call frame setup/restore points. Unfortunately, this regresses code size a bit, but at least it's correct now! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63837 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a bug where we were not emitting a cvt rnd sat node for convertingMon P Wang2009-02-051-2/+4
| | | | | | | between a unsigned integer and signed integer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63831 91177308-0d34-0410-b5e6-96231b3b80d8
* Reapply 63765. Patches for clang and llvm-gcc to follow.Dale Johannesen2009-02-057-17/+59
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63812 91177308-0d34-0410-b5e6-96231b3b80d8
* Get rid of 3 non-DebugLoc getNode variants.Dale Johannesen2009-02-054-70/+65
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63808 91177308-0d34-0410-b5e6-96231b3b80d8
* Ignore dbg intrinsics while folding switch instruction.Devang Patel2009-02-051-8/+19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63802 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove non-DebugLoc versions of getMergeValues, ZeroExtendInReg.Dale Johannesen2009-02-056-53/+42
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63800 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove non-DebugLoc forms of CopyToReg and CopyFromReg.Dale Johannesen2009-02-0413-193/+250
| | | | | | | | Adjust callers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63789 91177308-0d34-0410-b5e6-96231b3b80d8
* Reverting 63765. This broke the build of both clangDale Johannesen2009-02-047-59/+17
| | | | | | | | and llvm-gcc. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63786 91177308-0d34-0410-b5e6-96231b3b80d8
* Ignore dbg intrinsics.Devang Patel2009-02-041-7/+29
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63781 91177308-0d34-0410-b5e6-96231b3b80d8
* 80 column rule.Stuart Hastings2009-02-041-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63768 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove non-DebugLoc versions of getLoad and getStore.Dale Johannesen2009-02-0414-368/+347
| | | | | | | | Adjust the many callers of those versions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63767 91177308-0d34-0410-b5e6-96231b3b80d8
* New feature: add support for target intrinsics being defined in theNate Begeman2009-02-047-17/+59
| | | | | | | | | | target directories themselves. This also means that VMCore no longer needs to know about every target's list of intrinsics. Future work will include converting the PowerPC target to this interface as an example implementation. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63765 91177308-0d34-0410-b5e6-96231b3b80d8
* Avoids generating a legalization assert for the case where a vector type is ↵Mon P Wang2009-02-041-2/+10
| | | | | | | | | | | legal but when legalizing the operation, we split the vector type and generate a library call whose type needs to be promoted. For example, X86 with SSE on but MMX off, a divide v2i64 will be scalarized to 2 calls to a library using i64. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63760 91177308-0d34-0410-b5e6-96231b3b80d8
* Bill implemented this.Chris Lattner2009-02-041-36/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63752 91177308-0d34-0410-b5e6-96231b3b80d8
* add a note, this is why we're faster at SciMark-MonteCarlo withChris Lattner2009-02-041-0/+40
| | | | | | | SSE disabled. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63751 91177308-0d34-0410-b5e6-96231b3b80d8
* Skip over zero registers.Evan Cheng2009-02-041-0/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63748 91177308-0d34-0410-b5e6-96231b3b80d8
* allow main to have any integer type.Chris Lattner2009-02-041-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63743 91177308-0d34-0410-b5e6-96231b3b80d8
* Minor code cleanups; no functionality change.Dan Gohman2009-02-041-10/+11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63740 91177308-0d34-0410-b5e6-96231b3b80d8
* Since I'm obliged to work with a development OS that currently doesn'tStuart Hastings2009-02-041-9/+56
| | | | | | | | | | | support GraphViz, I've been using the foo->dump() facility. This patch is a minor rewrite to the SelectionDAG dump() stuff to make it a little more helpful. The existing foo->dump() functionality does not change; this patch adds foo->dumpr(). All of this is only useful when running LLVM under a debugger. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63736 91177308-0d34-0410-b5e6-96231b3b80d8
* Allow the inverse transform x86_fp80 -> i80 (alsoDuncan Sands2009-02-041-9/+4
| | | | | | | fires during the Ada build). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63731 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR3468: a crash when constant folding a bitcast ofDuncan Sands2009-02-041-6/+5
| | | | | | | | i80 to x86 long double (this was presumably generated by sroa). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63730 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't call isInvariantLoad twice.Evan Cheng2009-02-041-9/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63729 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't bother hoisting out a "cheap" instruction if all of its uses are PHIs. ↵Evan Cheng2009-02-041-10/+55
| | | | | | LICM "cheap" instructions are not particularly beneficial to start with. This will just end up making the copies harder to coalesce. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63728 91177308-0d34-0410-b5e6-96231b3b80d8
* For now, only hoist re-materilizable instructions. LICM will increase ↵Evan Cheng2009-02-041-2/+11
| | | | | | register pressure. We want to avoid spilling more instructions if it's possible. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63725 91177308-0d34-0410-b5e6-96231b3b80d8
* Reapply patch from r62553, with a fix to avoid looking for an ffi.h that isn'tNick Lewycky2009-02-041-496/+212
| | | | | | | | | | | | | there. This changes the interpreter to use libffi. After this patch, the interpreter will barely be able to call any external functions if built on a system without libffi installed (just enough to pass 'make check' really). But with libffi, we can now call any function that isn't variadic or taking a struct or vector parameter (but pointer to struct is fine). Patch by Alexei Svitkine! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63723 91177308-0d34-0410-b5e6-96231b3b80d8
* Finish making AliasAnalysis aware of the fact that most atomic intrinsics ↵Owen Anderson2009-02-042-0/+37
| | | | | | | | | only dereference their arguments, and enhance BasicAA to make use of this fact when computing ModRef info. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63718 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove non-DebugLoc forms of the exotic formsDale Johannesen2009-02-045-167/+91
| | | | | | | | of Lod and Sto; patch uses. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63716 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove some more non-DebugLoc versions of constructionDale Johannesen2009-02-045-104/+73
| | | | | | | | functions, with callers adjusted to fit. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63705 91177308-0d34-0410-b5e6-96231b3b80d8
* Check in file I forgot.Dale Johannesen2009-02-041-3/+3
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* Remove a few non-DebugLoc versions of node creationDale Johannesen2009-02-044-151/+19
| | | | | | | | functions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63703 91177308-0d34-0410-b5e6-96231b3b80d8
* Fixes a case where we generate an incorrect mask for pshfhw in the presenceMon P Wang2009-02-041-5/+6
| | | | | | | of undefs and incorrectly determining if we have punpckldq. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63702 91177308-0d34-0410-b5e6-96231b3b80d8
* While folding vallue comparison terminators ignore dbg intrinsics.Devang Patel2009-02-041-0/+3
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* Patch up omissions in DebugLoc propagation.Dale Johannesen2009-02-042-56/+63
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* Fill in more omissions in DebugLog propagation.Dale Johannesen2009-02-045-36/+44
| | | | | | | | I think that's it for this directory. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63690 91177308-0d34-0410-b5e6-96231b3b80d8
* Constify and don't return a reference.Bill Wendling2009-02-041-1/+1
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* Ignore dbg intrinsics while hoisting common code in the two blocks up into ↵Devang Patel2009-02-041-3/+14
| | | | | | the branch block. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63687 91177308-0d34-0410-b5e6-96231b3b80d8
* DebugLoc propagation; adjustment to things omittedDale Johannesen2009-02-032-17/+41
| | | | | | | | from SelectionDagBuild. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63680 91177308-0d34-0410-b5e6-96231b3b80d8
* Erm. Would be nice to initialize this variable. . .Bill Wendling2009-02-031-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63677 91177308-0d34-0410-b5e6-96231b3b80d8
* Add getDebugLocTuple to retrieve the DebugLocTuple for a given DebugLoc object.Bill Wendling2009-02-031-3/+11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63676 91177308-0d34-0410-b5e6-96231b3b80d8
* Need this file too.Dale Johannesen2009-02-031-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63674 91177308-0d34-0410-b5e6-96231b3b80d8
* Add some DL propagation to places that didn'tDale Johannesen2009-02-034-73/+86
| | | | | | | | have it yet. More coming. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63673 91177308-0d34-0410-b5e6-96231b3b80d8
* Do not let dbg intrinsic block folding of two entry phi node.Devang Patel2009-02-031-2/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63671 91177308-0d34-0410-b5e6-96231b3b80d8
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