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* Make this into a static method.Owen Anderson2009-08-261-15/+13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80170 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unused variables.Dan Gohman2009-08-262-5/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80058 91177308-0d34-0410-b5e6-96231b3b80d8
* Eliminate the unused Context argument on one of the ICmpInst and FCmpInstDan Gohman2009-08-253-140/+136
| | | | | | | constructors. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80049 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename Instruction::isIdenticalTo to Instruction::isIdenticalToWhenDefined,Dan Gohman2009-08-251-1/+5
| | | | | | | | | | | | | | | | | and introduce a new Instruction::isIdenticalTo which tests for full identity, including the SubclassOptionalData flags. Also, fix the Instruction::clone implementations to preserve the SubclassOptionalData flags. Finally, teach several optimizations how to handle SubclassOptionalData correctly, given these changes. This fixes the counterintuitive behavior of isIdenticalTo not comparing the full value, and clone not returning an identical clone, as well as some subtle bugs that could be caused by these. Thanks to Nick Lewycky for reporting this, and for an initial patch! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80038 91177308-0d34-0410-b5e6-96231b3b80d8
* Special-case static allocas in IndVarSimplify's loop invariantDan Gohman2009-08-251-0/+5
| | | | | | | | | sinking code, since they are special. If the loop preheader happens to be the entry block of a function, don't sink static allocas out of it. This fixes PR4775. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80010 91177308-0d34-0410-b5e6-96231b3b80d8
* Kill off more cerr/cout uses and prune includes a bit.Benjamin Kramer2009-08-231-4/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79852 91177308-0d34-0410-b5e6-96231b3b80d8
* eliminate uses of cerr()Chris Lattner2009-08-231-11/+11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79834 91177308-0d34-0410-b5e6-96231b3b80d8
* remove a few DOUTs here and there.Chris Lattner2009-08-231-3/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79832 91177308-0d34-0410-b5e6-96231b3b80d8
* eliminate the std::ostream form of WriteAsOperand and update clients.Chris Lattner2009-08-231-2/+2
| | | | | | | This also updates dominator related stuff. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79825 91177308-0d34-0410-b5e6-96231b3b80d8
* remove the std::ostream version of module and type printing.Chris Lattner2009-08-231-3/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79823 91177308-0d34-0410-b5e6-96231b3b80d8
* eliminate the "Value" printing methods that print to a std::ostream.Chris Lattner2009-08-2312-110/+120
| | | | | | | This required converting a bunch of stuff off DOUT and other cleanups. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79819 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename hasNoUnsignedOverflow and hasNoSignedOverflow to hasNoUnsignedWrapDan Gohman2009-08-201-1/+1
| | | | | | | and hasNoSignedWrap, for consistency with the nuw and nsw properties. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79539 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a few places to check if TargetData is available before using it.Dan Gohman2009-08-191-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79493 91177308-0d34-0410-b5e6-96231b3b80d8
* Make SROA and PredicateSimplifier cope if TargetData is notDan Gohman2009-08-192-6/+16
| | | | | | | available. This is very conservative for now. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79442 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix SimplifyLibcalls and ValueTracking to check mayBeOverriddenDan Gohman2009-08-191-1/+2
| | | | | | | before performing optimizations based on constant string values. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79384 91177308-0d34-0410-b5e6-96231b3b80d8
* Make TargetData optional in MemCpyOptimizer.Dan Gohman2009-08-181-10/+10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79306 91177308-0d34-0410-b5e6-96231b3b80d8
* Make TargetData optional in SimplifyLibCalls.Dan Gohman2009-08-181-7/+45
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79298 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix debug output to include a newline after printing a Value, nowDan Gohman2009-08-173-18/+18
| | | | | | | that Value's operator<< doesn't include one. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79240 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't crash trying to promote VLAs.Nick Lewycky2009-08-171-1/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79226 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't try to get the context from an erased Instruction.Benjamin Kramer2009-08-151-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79134 91177308-0d34-0410-b5e6-96231b3b80d8
* Push LLVMContexts through the IntegerType APIs.Owen Anderson2009-08-1319-272/+316
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78948 91177308-0d34-0410-b5e6-96231b3b80d8
* When InstCombine simplifies a load -> extract element to gep -> load, placeMon P Wang2009-08-131-3/+5
| | | | | | | | the new load by the old load instead of by the extract element because a store could have occurred between the load and extract element. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78891 91177308-0d34-0410-b5e6-96231b3b80d8
* Simplify conditional.Andreas Bolka2009-08-131-4/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78889 91177308-0d34-0410-b5e6-96231b3b80d8
* Simplify and reduce indentation using early exits.Andreas Bolka2009-08-131-18/+13
| | | | | | No intended functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78888 91177308-0d34-0410-b5e6-96231b3b80d8
* DEBUGify some DOUTs.Andreas Bolka2009-08-131-7/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78887 91177308-0d34-0410-b5e6-96231b3b80d8
* Prune trailing whitespace.Andreas Bolka2009-08-131-4/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78886 91177308-0d34-0410-b5e6-96231b3b80d8
* Transform -X/C to X/-C, implementing a README.txt entry.Dan Gohman2009-08-121-0/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78812 91177308-0d34-0410-b5e6-96231b3b80d8
* Optimize (x/C)*C to x if the division is exact.Dan Gohman2009-08-121-1/+10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78811 91177308-0d34-0410-b5e6-96231b3b80d8
* Update instcombine's debug output to account for Value*'s operator<<Dan Gohman2009-08-121-10/+10
| | | | | | | not appending its own newline. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78810 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove a bunch more now-unnecessary Context arguments.Dan Gohman2009-08-122-145/+137
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78809 91177308-0d34-0410-b5e6-96231b3b80d8
* Eliminate a bunch of now unnecessary explicit Context variables.Dan Gohman2009-08-121-97/+94
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78808 91177308-0d34-0410-b5e6-96231b3b80d8
* Add contexts to some of the MVT APIs. No functionality change yet, just the ↵Owen Anderson2009-08-121-4/+4
| | | | | | infrastructure work needed to get the contexts to where they need to be first. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78759 91177308-0d34-0410-b5e6-96231b3b80d8
* Optimize exact sdiv by a constant power of 2 to ashr.Dan Gohman2009-08-111-0/+9
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78714 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename MVT to EVT, in preparation for splitting SimpleValueType out into its ↵Owen Anderson2009-08-102-3/+3
| | | | | | own struct type. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78610 91177308-0d34-0410-b5e6-96231b3b80d8
* More ProfileInfo improvements.Daniel Dunbar2009-08-081-2/+2
| | | | | | | | | | | | | - Part of optimal static profiling patch sequence by Andreas Neustifter. - Store edge, block, and function information separately for each functions (instead of in one giant map). - Return frequencies as double instead of int, and use a sentinel value for missing information. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78477 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix dom frontier update. This fixes PR4667.Devang Patel2009-08-071-19/+23
| | | | | | | Patch by Jakub Staszak. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78388 91177308-0d34-0410-b5e6-96231b3b80d8
* Check for !isa<Constant> instead of isa<Instruction>. ThisDan Gohman2009-08-041-1/+1
| | | | | | | | matches what the comment says, and it avoids spurious BitCast instructions for Argument values. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78121 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a new Constant::getIntegerValue helper function, and convert aDan Gohman2009-08-031-8/+4
| | | | | | | | few places in InstCombine to use it, to fix problems handling pointer types. This fixes the recent llvm-gcc bootstrap error. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78005 91177308-0d34-0410-b5e6-96231b3b80d8
* Make SimplifyDemandedUseBits generate vector constants where Eli Friedman2009-08-031-2/+2
| | | | | | | | | | appropriate. Patch per report on llvmdev. No testcase because the original report didn't come with a testcase, and I can't come up with a case that actually fails. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77986 91177308-0d34-0410-b5e6-96231b3b80d8
* Move a few more APIs back to 2.5 forms. The only remaining ones left to ↵Owen Anderson2009-07-319-137/+124
| | | | | | | | | change back are metadata related, which I'm waiting on to avoid conflicting with Devang. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77721 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix GVN's debug output, now that operator<< on Value* doesn't printDan Gohman2009-07-311-11/+12
| | | | | | | a trailing newline. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77719 91177308-0d34-0410-b5e6-96231b3b80d8
* PR4662: Fix a crash introduced by the recent LLVMContext changes.Eli Friedman2009-07-311-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77716 91177308-0d34-0410-b5e6-96231b3b80d8
* Move getTrue() and getFalse() to 2.5-like APIs.Owen Anderson2009-07-316-103/+106
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77685 91177308-0d34-0410-b5e6-96231b3b80d8
* Move more code back to 2.5 APIs.Owen Anderson2009-07-3010-77/+72
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77635 91177308-0d34-0410-b5e6-96231b3b80d8
* Twines: Don't allow implicit conversion from integers, this is too tricky.Daniel Dunbar2009-07-301-3/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77605 91177308-0d34-0410-b5e6-96231b3b80d8
* Switch obvious clients to Twine instead of utostr (when they were already usingDaniel Dunbar2009-07-301-4/+3
| | | | | | | | | | a Twine, e.g., for names). - I am a little ambivalent about this; we don't want the string conversion of utostr, but using overload '+' mixed with string and integer arguments is sketchy. On the other hand, this particular usage is something of an idiom. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77579 91177308-0d34-0410-b5e6-96231b3b80d8
* Eliminate a few unused-variable warningsDouglas Gregor2009-07-291-2/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77519 91177308-0d34-0410-b5e6-96231b3b80d8
* Move types back to the 2.5 API.Owen Anderson2009-07-295-55/+52
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77516 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR4645 which was fallout from the fix for PR4641.Daniel Dunbar2009-07-291-8/+15
| | | | | | | - Call RAUW to delete all instructions (this is a patch from Nick Lewycky). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77512 91177308-0d34-0410-b5e6-96231b3b80d8
* Move ConstantExpr to 2.5 API.Owen Anderson2009-07-299-139/+138
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77494 91177308-0d34-0410-b5e6-96231b3b80d8
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