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* Remove unnecessary code.Evan Cheng2013-02-111-4/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174854 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix unnecessary removal of const through cast machineryDavid Blaikie2013-02-114-15/+15
| | | | | | | | I have some uncommitted changes to the cast code that catch this sort of thing at compile-time but I still need to do some other cleanup before I can enable it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174853 91177308-0d34-0410-b5e6-96231b3b80d8
* Spelling correctionJoel Jones2013-02-101-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174852 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix the unused but nearly correct method SlotIndexes::insertMBBInMaps() and addCameron Zwarich2013-02-102-10/+26
| | | | | | | | support for updating SlotIndexes to MachineBasicBlock::SplitCriticalEdge(). This calls renumberIndexes() every time; it should be improved to only renumber locally. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174851 91177308-0d34-0410-b5e6-96231b3b80d8
* Abstract the liveness checking in PHIElimination::SplitPHIEdges() to supportCameron Zwarich2013-02-101-2/+37
| | | | | | both LiveVariables and LiveIntervals. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174850 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support in the bitcode reader to read the attribute groups.Bill Wendling2013-02-102-0/+82
| | | | | | | | | | This reads the attribute groups. It currently doesn't do anything with them. NOTE: In the commit to the bitcode writer, the format *may* change in the near future. Which means that this code would also change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174849 91177308-0d34-0410-b5e6-96231b3b80d8
* The 'Raw' method cannot handle 'string' attributes. Don't even try.Bill Wendling2013-02-101-0/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174848 91177308-0d34-0410-b5e6-96231b3b80d8
* Update with attribute group IDs.Bill Wendling2013-02-101-11/+14
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174847 91177308-0d34-0410-b5e6-96231b3b80d8
* Eat the alignment keyword if we're in an attribute group.Bill Wendling2013-02-101-0/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174846 91177308-0d34-0410-b5e6-96231b3b80d8
* Add code for emitting the attribute groups.Bill Wendling2013-02-102-8/+61
| | | | | | | | | | This is some initial code for emitting the attribute groups into the bitcode. NOTE: This format *may* change! Do not rely upon the attribute groups' bitcode not changing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174845 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for attribute groups in the value enumerator.Bill Wendling2013-02-102-0/+24
| | | | | | | | Attribute groups are essentially all AttributeSets which are used by the program. Enumerate them here. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174844 91177308-0d34-0410-b5e6-96231b3b80d8
* Test Commit - Remove some trailing whitespace in R600Instructions.tdVincent Lejeune2013-02-101-6/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174839 91177308-0d34-0410-b5e6-96231b3b80d8
* Handle string attributes in the AttrBuilder.Bill Wendling2013-02-101-1/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174834 91177308-0d34-0410-b5e6-96231b3b80d8
* Use a 'continue' here to stop from double lexing.Bill Wendling2013-02-101-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174833 91177308-0d34-0410-b5e6-96231b3b80d8
* Add 'empty' query methods to the builder and use them in the verifier.Bill Wendling2013-02-102-1/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174832 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for updating LiveIntervals to PHIElimination. If LiveIntervals areCameron Zwarich2013-02-101-29/+142
| | | | | | | | | | | | | | | | | | | present, it currently verifies them with the MachineVerifier, and this passed all of the test cases in 'make check' (when accounting for existing verifier errors). There were some assertion failures in the two-address pass, but they also happened on code without phis and look like they are caused by different kill flags from LiveIntervals. The only part that doesn't work is the critical edge splitting heuristic, because there isn't currently an efficient way to update LiveIntervals after splitting an edge. I'll probably start by implementing the slow fallback and test that it works before tackling the fast path for single-block ranges. The existing code that updates LiveVariables is fairly slow as it is. There isn't a command-line option for enabling this; instead, just edit PHIElimination.cpp to require LiveIntervals. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174831 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a typo.Cameron Zwarich2013-02-101-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174830 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove ancient references to 'atomic' phis in PHIElimination that don't reallyCameron Zwarich2013-02-101-12/+8
| | | | | | make sense anymore. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174829 91177308-0d34-0410-b5e6-96231b3b80d8
* Make LiveVariables an instance variable of PHIElimination.Cameron Zwarich2013-02-101-11/+9
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174828 91177308-0d34-0410-b5e6-96231b3b80d8
* ok, ok, stop fighting type punning warnings by just using a union.Chris Lattner2013-02-101-6/+9
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174827 91177308-0d34-0410-b5e6-96231b3b80d8
* hopefully "really" fix a type punning warning by defining the buffer asChris Lattner2013-02-101-3/+4
| | | | | | | type char, which can't have TBAA tags. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174826 91177308-0d34-0410-b5e6-96231b3b80d8
* attempt to defeat a gcc warning that is breaking a -Werror buildbot.Chris Lattner2013-02-101-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174825 91177308-0d34-0410-b5e6-96231b3b80d8
* Add accessor for the LLVMContext.Bill Wendling2013-02-102-0/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174824 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unneeded "TargetMachine.h" #includes.Jakub Staszak2013-02-096-6/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174817 91177308-0d34-0410-b5e6-96231b3b80d8
* TEMPORARY SYNTAX CHANGE!Bill Wendling2013-02-091-4/+7
| | | | | | | | | | | | | | | | | | | The original syntax for the attribute groups was ambiguous. For example: declare void @foo() #1 #0 = attributes { noinline } The '#0' would be parsed as an attribute reference for '@foo' and not as a top-level entity. In order to continue forward while waiting for a decision on what the correct syntax is, I'm changing it to this instead: declare void @foo() #1 attributes #0 = { noinline } Repeat: This is TEMPORARY until we decide what the correct syntax should be. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174813 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a DenseMapInfo class for the AttributeSet.Bill Wendling2013-02-091-13/+35
| | | | | | | We are going to place the AttributeSet into a DenseMap during assembly writing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174812 91177308-0d34-0410-b5e6-96231b3b80d8
* [NVPTX] Make address space errors more explicit (llvm_unreachable -> ↵Justin Holewinski2013-02-091-1/+2
| | | | | | report_fatal_error) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174808 91177308-0d34-0410-b5e6-96231b3b80d8
* Simplify code.Jakub Staszak2013-02-091-2/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174807 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unneeded #includes.Jakub Staszak2013-02-092-2/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174806 91177308-0d34-0410-b5e6-96231b3b80d8
* This is the correct version of r174802.Chris Lattner2013-02-091-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174804 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a nasty off-by one error that only manifests with 64-bit word size (which isChris Lattner2013-02-091-1/+1
| | | | | | | not enabled yet). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174803 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix the underlying problem that was causing read(0) to be called: sometimes theChris Lattner2013-02-092-5/+16
| | | | | | | | | | | | | | | | | | bitcode writer would generate abbrev records saying that the abbrev should be filled with fixed zero-bit bitfields (this happens in the .bc writer when the number of types used in a module is exactly one, since log2(1) == 0). In this case, just handle it as a literal zero. We can't "just fix" the writer without breaking compatibility with existing bc files, so have the abbrev reader do the substitution. Strengthen the assert in read to reject reads of zero bits so we catch such crimes in the future, and remove the special case designed to handle this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174801 91177308-0d34-0410-b5e6-96231b3b80d8
* recommit r173072 (preparing bitstream reader to read a machine word at a time,Chris Lattner2013-02-091-21/+51
| | | | | | | | | | | | instead of always 32-bits at a time) with two changes: 1. Make Read(0) always return zero without affecting the state of our cursor. 2. Hack word_t to always be 32 bits, as staging. These two caveats will change shortly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174800 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove trailing spaces.Jakub Staszak2013-02-091-37/+37
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174791 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unneeded #includes.Jakub Staszak2013-02-091-2/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174790 91177308-0d34-0410-b5e6-96231b3b80d8
* LSR IVChain improvement.Andrew Trick2013-02-093-21/+107
| | | | | | | | | Handle chains in which the same offset is used for both loads and stores to the same array. Fixes rdar://11410078. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174789 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove #includes from the commonly used LoopInfo.h.Jakub Staszak2013-02-095-2/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174786 91177308-0d34-0410-b5e6-96231b3b80d8
* Dwarf: do not use line_table_start in at_stmt_list since we do not always emit Manman Ren2013-02-092-2/+5
| | | | | | | line table entries in assembly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174785 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove the old liveness algorithm.Jakob Stoklund Olesen2013-02-092-333/+5
| | | | | | This is part of the plan to delete LiveVariables. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174783 91177308-0d34-0410-b5e6-96231b3b80d8
* Enable *BasicBlockPass::createPrinterPass()Sergei Larin2013-02-086-2/+46
| | | | | | | | Enables raw_ostream I/O for BasicBlockPass. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174776 91177308-0d34-0410-b5e6-96231b3b80d8
* Turn on -new-live-intervals by default.Jakob Stoklund Olesen2013-02-081-3/+3
| | | | | | | | This uses a liveness algorithm that does not depend on data from the LiveVariables analysis, it is the first step towards removing LiveVariables completely. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174774 91177308-0d34-0410-b5e6-96231b3b80d8
* CMake: Use check_symbol_exists instead of check_cxx_symbol_exists.Jordan Rose2013-02-081-7/+6
| | | | | | | | | | | check_cxx_symbol_exists requires CMake 2.8.6, so even though I recommended it to Owen it's probably better to stay away for now. This check is not technically correct because we're checking <math.h> but then using <cmath> in the actual code, but if we run into problems we can do the same sort of dance as isinf() and isnan() where we check /both/ headers and then write a wrapper header around them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174773 91177308-0d34-0410-b5e6-96231b3b80d8
* configure: when performing a compiler feature test for a -Wno-foo flag, attemptRichard Smith2013-02-082-14/+10
| | | | | | | | | | to use -Wfoo instead of -Wno-foo. This works around a bug in some versions of gcc, where it will silently accept an unknown -Wno-foo option, but will generate an error for a compile which uses -Wno-foo if that compile also triggers any warnings. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174770 91177308-0d34-0410-b5e6-96231b3b80d8
* ReleaseNotes: Add section for R600 backendTom Stellard2013-02-081-0/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174764 91177308-0d34-0410-b5e6-96231b3b80d8
* R600: Dump the function name when TargetLowering::LowerCall() failsTom Stellard2013-02-081-0/+5
| | | | | | | | Also output a more useful error message. NOTE: This is a candidate for the Mesa stable branch git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174763 91177308-0d34-0410-b5e6-96231b3b80d8
* R600: rework flow creation in the structurizer v2Tom Stellard2013-02-081-177/+195
| | | | | | | | | | | | | This fixes a couple of bugs and incorrect assumptions, in total four more piglit tests now pass. v2: fix small bug in the dominator updating Patch by: Christian König Signed-off-by: Christian König <christian.koenig@amd.com> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174762 91177308-0d34-0410-b5e6-96231b3b80d8
* R600: fix loop analyses in the structurizerTom Stellard2013-02-081-113/+183
| | | | | | | | | | | Patch by: Christian König Intersecting loop handling was wrong. Signed-off-by: Christian König <christian.koenig@amd.com> Tested-by: Michel Dänzer <michel.daenzer@amd.com> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174761 91177308-0d34-0410-b5e6-96231b3b80d8
* R600: fix PHI value adding in the structurizerTom Stellard2013-02-081-65/+81
| | | | | | | | | | | Otherwise we sometimes produce invalid code. Patch by: Christian König Signed-off-by: Christian König <christian.koenig@amd.com> Tested-by: Michel Dänzer <michel.daenzer@amd.com> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174760 91177308-0d34-0410-b5e6-96231b3b80d8
* Minor cleanup.Dan Gohman2013-02-081-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174756 91177308-0d34-0410-b5e6-96231b3b80d8
* [docs] Tweaks for clarity, readability, and correctness.Sean Silva2013-02-081-3/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174749 91177308-0d34-0410-b5e6-96231b3b80d8
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