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2013-01-08Add the C testcase to this file.Eric Christopher
Suggested by Dave Blaikie. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171839 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-08Update README.txt to more accurately reflect reality.Sean Silva
This closes PR14709 and hopefully is a small step towards preventing similar issues in the future. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171837 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-08Remove the llvm-local DW_TAG_vector_type tag and add a test toEric Christopher
make sure that vector types do work. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171833 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-08Fix comment.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171832 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-08Split changeset_ty using iterators instead of loops.Lenny Maiorani
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171829 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-08Mark artificial types as such in the annotated debug output.David Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171826 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-08Renamed MCInstFragment to MCRelaxableFragment and added some comments.Eli Bendersky
No change in functionality. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171822 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-08Remove what appears to be a dead llvm-specific debug tag.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171821 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-07Pack MachineOperand bitfields better.Jakob Stoklund Olesen
Previously, 4 bits were unused. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171814 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-07Pack MachineInstr fields better.Jakob Stoklund Olesen
This shrinks MachineInstr to 64 bytes (from 72). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171813 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-07LoopVectorizer: Add support for floating point reductionsNadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171812 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-07Add some additional tests for the .bundle_lock align_to_end feature that didn'tEli Bendersky
make into the last commit. Also, update the test-generation script to generate an exhaustive test for align_to_end as well, and include the generated test. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171811 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-07Remove dead directory.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171807 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-07Cosmetical changne in order to conform to coding std.Shuxin Yang
Thank Eric Christopher for figuring out these problems! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171805 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-07Whitespace and 80-col.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171804 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-07Whitespace and 80-col.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171803 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-07LoopVectorizer: When we vectorizer and widen loops we process many elements ↵Nadav Rotem
at once. This is a good thing, except for small loops. On small loops post-loop that handles scalars (and runs slower) can take more time to execute than the rest of the loop. This patch disables widening of loops with a small static trip count. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171798 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-07Add the align_to_end option to .bundle_lock in the MC implementation of alignedEli Bendersky
bundling. The document describing this feature and the implementation has also been updated: https://sites.google.com/a/chromium.org/dev/nativeclient/pnacl/aligned-bundling-support-in-llvm git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171797 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-07This change is to implement following rules:Shuxin Yang
o. X/C1 * C2 => X * (C2/C1) (if C2/C1 is neither special FP nor denormal) o. X/C1 * C2 -> X/(C1/C2) (if C2/C1 is either specical FP or denormal, but C1/C2 is a normal Fp) Let MDC denote multiplication or dividion with one & only one operand being a constant o. (MDC ± C1) * C2 => (MDC * C2) ± (C1 * C2) (so long as the constant-folding doesn't yield any denormal or special value) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171793 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-07Fixed EOL whitespace.Michael Gottesman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171791 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-07ARM: Copy-paste error.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171790 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-07ARM: Fix a few copy-paste errors.Jim Grosbach
s/X86/ARM/ git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171789 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-07[ms-inline asm] Make sure the NullStreamParser doesn't try to emit labels whenChad Rosier
parsing MS-style inline assembly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171784 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-07Add more comments to what's going on here.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171780 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-07Add support for separating strings for the split debug info DWARF5Eric Christopher
proposal. This leaves the strings in the skeleton die as strp, but in all dwo files they're accessed now via DW_FORM_GNU_str_index. Add support for dumping these sections and modify the fission-cu.ll testcase to have the correct strings and form. Fix a small bug in the fixed form sizes routine that involved out of array accesses for the table and add a FIXME in the extractFast routine to fix this up. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171779 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-07This patch addresses bug 14678 by fixing two problems in medium code modelBill Schmidt
code generation. Variables addressed through a GlobalAlias were not being handled, and variables with available_externally linkage were treated incorrectly. The patch contains two new tests to verify the correct code generation for these cases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171778 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-07Change SMRange to be half-open (exclusive end) instead of closed (inclusive)Jordan Rose
This is necessary not only for representing empty ranges, but for handling multibyte characters in the input. (If the end pointer in a range refers to a multibyte character, should it point to the beginning or the end of the character in a char array?) Some of the code in the asm parsers was already assuming this anyway. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171765 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-07Implement APFloat::isDenormal()Shuxin Yang
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171764 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-07When code size is the priority (Oz, MinSize attribute), help llvmQuentin Colombet
turning a code like this: if (foo) free(foo) into that: free(foo) Move a call to free from basic block FB into FB's predecessor, P, when the path from P to FB is taken only if the argument of free is not equal to NULL. Some restrictions apply on P and FB to be sure that this code motion is profitable. Namely: 1. FB must have only one predecessor P. 2. FB must contain only the call to free plus an unconditional branch to S. 3. P's successors are FB and S. Because of 1., we will not increase the code size when moving the call to free from FB to P. Because of 2., FB will be empty after the move. Because of 2. and 3., P's branch instruction becomes useless, so as FB (simplifycfg will do the job). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171762 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-07Make test/DebugInfo/member-pointers.ll portable by removing the TargetDataDavid Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171759 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-07Claim ".td" files. Improve README cp command. Drop "Bundle" from descriptionJoel Jones
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171758 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-07Move TypeFinder.h into the IR tree, it clearly belongs with the IR library.Chandler Carruth
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171749 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-07Rename the VMCore unittest tree to IR. Somehow was missed when doing theChandler Carruth
library rename. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171747 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-07Move CallGraphSCCPass.h into the Analysis tree; that's where theChandler Carruth
implementation lives already. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171746 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-07Remove the long defunct 'DefaultPasses' header. We have a pass managerChandler Carruth
builder these days, and this thing hasn't seen updates for a very long time. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171741 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-07Sink AddrMode back into TargetLowering, removing one of the mostChandler Carruth
peculiar headers under include/llvm. This struct still doesn't make a lot of sense, but it makes more sense down in TargetLowering than it did before. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171739 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-07Remove LSR's use of the random AddrMode struct. These variables wereChandler Carruth
already in a class, just inline the four of them. I suspect that this class could be simplified some to not always keep distinct variables for these things, but it wasn't clear to me how given the usage so I opted for a trivial and mechanical translation. This removes one of the two remaining users of a header in include/llvm which does nothing more than define a 4 member struct. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171738 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-07Switch the SCEV expander and LoopStrengthReduce to useChandler Carruth
TargetTransformInfo rather than TargetLowering, removing one of the primary instances of the layering violation of Transforms depending directly on Target. This is a really big deal because LSR used to be a "special" pass that could only be tested fully using llc and by looking at the full output of it. It also couldn't run with any other loop passes because it had to be created by the backend. No longer is this true. LSR is now just a normal pass and we should probably lift the creation of LSR out of lib/CodeGen/Passes.cpp and into the PassManagerBuilder. =] I've not done this, or updated all of the tests to use opt and a triple, because I suspect someone more familiar with LSR would do a better job. This change should be essentially without functional impact for normal compilations, and only change behvaior of targetless compilations. The conversion required changing all of the LSR code to refer to the TTI interfaces, which fortunately are very similar to TargetLowering's interfaces. However, it also allowed us to *always* expect to have some implementation around. I've pushed that simplification through the pass, and leveraged it to simplify code somewhat. It required some test updates for one of two things: either we used to skip some checks altogether but now we get the default "no" answer for them, or we used to have no information about the target and now we do have some. I've also started the process of removing AddrMode, as the TTI interface doesn't use it any longer. In some cases this simplifies code, and in others it adds some complexity, but I think it's not a bad tradeoff even there. Subsequent patches will try to clean this up even further and use other (more appropriate) abstractions. Yet again, almost all of the formatting changes brought to you by clang-format. =] git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171735 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-07Fix a mistaken commit that included some debugging code.David Tweed
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171734 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-07There was a switch fall-through in the parser for textual LLVM that causedDavid Tweed
bogus comparison operands to default to eq/oeq. Fix that, fix a couple of tests that accidentally passed and test for bogus comparison opeartors explicitly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171733 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-07Make the MergeGlobals pass correctly handle the address space qualifiers of ↵Silviu Baranga
the global variables. We partition the set of globals by their address space, and apply the same the trasnformation as before to merge them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171730 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-07Documentation: add a note that Clang on Mageia 2 can not find libstdc++ headersDmitri Gribenko
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171729 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-07R600/SIISelLowering.cpp: Suppress a warning. [-Wunused-variable]NAKAMURA Takumi
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171728 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-07CallingConvLower.h: Use bitfields like unsigned:1 instead of bool:1 .NAKAMURA Takumi
Some compilers might be confused if bool were potentially signed integer. In my case, g++-4.7.0 miscompiled CodeGen/ARM. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171727 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-07Simplify LoopVectorize to require target transform info and rely on itChandler Carruth
being present. Make a member of one of the helper classes a reference as part of this. Reformatting goodness brought to you by clang-format. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171726 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-07Merge the unused header file for LoopVectorizer into the source file.Chandler Carruth
This makes the loop vectorizer match the pattern followed by roughly all other passses. =] Notably, this header file was braken in several regards: it contained a using namespace directive, global #define's that aren't globaly appropriate, and global constants defined directly in the header file. As a side benefit, lots of the types in this file become internal, which will cause the optimizer to chew on this pass more effectively. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171723 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-07Switch BBVectorize to directly depend on having a TTI analysis.Chandler Carruth
This could be simplified further, but Hal has a specific feature for ignoring TTI, and so I preserved that. Also, I needed to use it because a number of tests fail when switching from a null TTI to the NoTTI nonce implementation. That seems suspicious to me and so may be something that you need to look into Hal. I worked it by preserving the old behavior for these tests with the flag that ignores all target info. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171722 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-07Add LICENSE.TXT covering contributions made by ARM.Tim Northover
Absent a Contributor's License Agreement (CLA) with an LLVM legal entity and as reviewed and agreed with Chris Lattner, add a patent license covering future contributions from ARM until there is a CLA. This is to make explicit ARM's grant of patent rights to recipients of LLVM containing ARM-contributed material. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171721 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-07Fix a slew of indentation and parameter naming style issues. This 80% ofChandler Carruth
this patch brought to you by the tool clang-format. I wanted to fix up the names of constructor parameters because they followed a bit of an anti-pattern by naming initialisms with CamelCase: 'Tti', 'Se', etc. This appears to have been in an attempt to not overlap with the names of member variables 'TTI', 'SE', etc. However, constructor arguments can very safely alias members, and in fact that's the conventional way to pass in members. I've fixed all of these I saw, along with making some strang abbreviations such as 'Lp' be simpler 'L', or 'Lgl' be the word 'Legal'. However, the code I was touching had indentation and formatting somewhat all over the map. So I ran clang-format and fixed them. I also fixed a few other formatting or doxygen formatting issues such as using ///< on trailing comments so they are associated with the correct entry. There is still a lot of room for improvement of the formating and cleanliness of this code. ;] At least a few parts of the coding standards or common practices in LLVM's code aren't followed, the enum naming rules jumped out at me. I may mix some of these while I'm here, but not all of them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171719 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-07Switch LoopIdiom pass to directly require target transform information.Chandler Carruth
I'm sorry for duplicating bad style here, but I wanted to keep consistency. I've pinged the code review thread where this style was reviewed and changes were requested. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171714 91177308-0d34-0410-b5e6-96231b3b80d8
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