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2012-02-01Avoid emitting empty arrays, they're not standard C++.Jakob Stoklund Olesen
It's only by luck that we haven't produced any yet, and clang refuses to compile them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149546 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-01Tidy up.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149521 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-01cmake: make BUILD_SHARED_LIBS a visible optionDylan Noblesmith
It could only be specified on the commandline, and wouldn't show up as an option in the GUI or when invoked via `cmake -i` at all. This also tells CMake that it's a BOOL, rather than "UNINITIALIZED". git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149506 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-01test/CodeGen/X86/avx-minmax.ll: Relax expressions for Win32 targets. YMM ↵NAKAMURA Takumi
arguments are passed as indirect on Win32 x64. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149505 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-01autoconf: generate clang's private config.h headerDylan Noblesmith
The CMake build already generated one. Follows clang r149497. This brings us one step closer to compiling and configuring clang separately from LLVM using the autoconf build, too. (I lack the right version of autoconf et al. to regen, but it was a simple change, so I just updated configure manually.) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149498 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-01Passing AVX 256-bit structures in Win64 was wrong.Elena Demikhovsky
Fixed Win64 calling conventions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149494 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-01Shortened code in shuffle masksElena Demikhovsky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149493 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-01Optimization for "truncate" operation on AVX.Elena Demikhovsky
Truncating v4i64 -> v4i32 and v8i32 -> v8i16 may be done with set of shuffles. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149485 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-01SwitchInst refactoring.Stepan Dyatkovskiy
The purpose of refactoring is to hide operand roles from SwitchInst user (programmer). If you want to play with operands directly, probably you will need lower level methods than SwitchInst ones (TerminatorInst or may be User). After this patch we can reorganize SwitchInst operands and successors as we want. What was done: 1. Changed semantics of index inside the getCaseValue method: getCaseValue(0) means "get first case", not a condition. Use getCondition() if you want to resolve the condition. I propose don't mix SwitchInst case indexing with low level indexing (TI successors indexing, User's operands indexing), since it may be dangerous. 2. By the same reason findCaseValue(ConstantInt*) returns actual number of case value. 0 means first case, not default. If there is no case with given value, ErrorIndex will returned. 3. Added getCaseSuccessor method. I propose to avoid usage of TerminatorInst::getSuccessor if you want to resolve case successor BB. Use getCaseSuccessor instead, since internal SwitchInst organization of operands/successors is hidden and may be changed in any moment. 4. Added resolveSuccessorIndex and resolveCaseIndex. The main purpose of these methods is to see how case successors are really mapped in TerminatorInst. 4.1 "resolveSuccessorIndex" was created if you need to level down from SwitchInst to TerminatorInst. It returns TerminatorInst's successor index for given case successor. 4.2 "resolveCaseIndex" converts low level successors index to case index that curresponds to the given successor. Note: There are also related compatability fix patches for dragonegg, klee, llvm-gcc-4.0, llvm-gcc-4.2, safecode, clang. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149481 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-01Add pass printer passes in the right place.Andrew Trick
The pass pointer should never be referenced after sending it to schedulePass(), which may delete the pass. To fix this bug I had to clean up the design leading to more goodness. You may notice now that any non-analysis pass is printed. So things like loop-simplify and lcssa show up, while target lib, target data, alias analysis do not show up. Normally, analysis don't mutate the IR, but you can now check this by using both -print-after and -print-before. The effects of analysis will now show up in between the two. The llc path is still in bad shape. But I'll be improving it in my next checkin. Meanwhile, print-machineinstrs still works the same way. With print-before/after, many llc passes that were not printed before now are, some of these should be converted to analysis. A few very important passes, isel and scheduler, are not properly initialized, so not printed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149480 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-01whitespaceAndrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149479 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-01Don't create VBROADCAST nodes if any nodes use the chain result from the ↵Craig Topper
load. Fixes PR11900. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149478 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-01BBVectorize.cpp: Try to fix MSVC build. map::iterator and multimap::iterator ↵NAKAMURA Takumi
are incompatible. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149475 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-01A few of the changes suggested in code review (by Nick Lewycky)Hal Finkel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149472 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-01Revert Chris' commits up to r149348 that started causing VMCoreTests unit ↵Argyrios Kyrtzidis
test to fail. These are: r149348 r149351 r149352 r149354 r149356 r149357 r149361 r149362 r149364 r149365 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149470 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-01Add a basic-block autovectorization pass.Hal Finkel
This is the initial checkin of the basic-block autovectorization pass along with some supporting vectorization infrastructure. Special thanks to everyone who helped review this code over the last several months (especially Tobias Grosser). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149468 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-01Disable InstCombine unsafe folding bitcasts of calls w/ varargs.Jim Grosbach
Changing arguments from being passed as fixed to varargs is unsafe, as the ABI may require they be handled differently (stack vs. register, for example). Remove two tests which rely on the bitcast being folded into the direct call, which is exactly the transformation that's unsafe. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149457 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-31Tidy up. One more return type mismatch fix.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149452 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-31Revert test commitBrendon Cahoon
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149446 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-31bz11794 : EarlyCSE stack overflow on long functions.Lenny Maiorani
Make the EarlyCSE optimizer not use recursion to do a depth first iteration. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149445 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-31test commit, adding a blank spaceBrendon Cahoon
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149444 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-31Fixed a crash in llvm-mc for Mach-O when a symbol difference expression uses aKevin Enderby
symbol from an assignment. In this case the symbol did not have a fragment so MCObjectWriter::IsSymbolRefDifferenceFullyResolved() should not have been calling IsSymbolRefDifferenceFullyResolvedImpl() with a NULL fragment and should just have returned false in that case. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149442 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-31Add Triple::getMacOSXVersion to replace crufty code in the clang driver.Bob Wilson
This new function provides a way to get the Mac OS X version number from either generic "darwin" triples of macosx triples. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149438 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-31Don't assign a value to NUM_TARGET_NAMED_SUBREGS.Jakob Stoklund Olesen
It was wrong and completely unused. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149433 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-31Move the composite map into CodeGenSubRegIndex.Jakob Stoklund Olesen
Each SubRegIndex keeps track of how it composes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149423 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-31Add a TableGen CodeGenSubRegIndex class.Jakob Stoklund Olesen
This class is used to represent SubRegIndex instances instead of the raw Record pointers that were used before. No functional change intended. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149418 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-31Refactor loop for better readability.Jim Grosbach
Excellent suggestion from Ben Kramer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149417 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-31Add explanatory comment.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149416 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-31RefCountedBaseVPTR needs the IntrusiveRefCntPtrInfo as friend,Manuel Klimek
now that this handles the release / retain calls. Adds a regression test for that bug (which is a compile-time regression) and for the last two changes to the IntrusiveRefCntPtr, especially tests for the memory leak due to copy construction of the ref-counted object and ensuring that the traits are used for release / retain calls. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149411 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-31Tidy up. Trailing whitespace.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149408 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-31Obvious unnecessary loop removal. Follow through from previous checkin.Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149398 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-31Add assembler dialect attribute in asm parser which lets target specific asm ↵Devang Patel
parser change dialect on the fly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149396 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-31Regenerate configure.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149391 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-31Fix BrainF compilation.Francois Pichet
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149375 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-31Increase the initial vector size to be equivalent to the size of the DepsBill Wendling
vector. This potentially saves a resizing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149369 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-31Cache the size of the vector instead of calling .size() all over the place.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149368 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-31Remove pcmpgt/pcmpeq intrinsics as clang is not using them.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149367 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-31eliminate the "string" form of ConstantArray::get, usingChris Lattner
ConstantDataArray::getString instead. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149365 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-31remove commented-out code.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149364 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-31with recent changes, ConstantArray is never a "string". Remove the associatedChris Lattner
methods and constant fold the clients to false. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149362 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-31update this to ConstantDataArray. There are no tests and this isn't using ↵Chris Lattner
the preferred functionality for ripping apart strings, so I have no way to test this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149361 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-31RAFast: Generalize the logic for return operands.Andrew Trick
This removes implicit assumption about the form of MI coming into regalloc. In particular, it should be independent of ProcessImplicitDefs which will eventually become a standard part of coming out of SSA--unless we simply can eliminate IMPLICIT_DEF completely. Current unit tests expose this once I remove incidental pass ordering restrictions. This is not a final fix. Just a temporary workaround until I figure out the right way. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149360 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-31fix a small oversight that broke the fhourstones app.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149357 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-31remove the last vestiges of llvm::GetConstantStringInfo, in CodeGen.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149356 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-31eliminate the last uses of GetConstantStringInfo from this file, I didn't ↵Chris Lattner
realize I was that close... git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149354 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-31Add various coarse bit-width architecture predicates to llvm::Triple.Chandler Carruth
These are very useful for frontends and other utilities reasoning about or selecting between triples. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149353 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-31start moving SimplifyLibcalls over to getConstantStringInfo, which isChris Lattner
dramatically more efficient than GetConstantStringInfo. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149352 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-31Change ConstantArray::get to form a ConstantDataArray when possible,Chris Lattner
kicking in the big win of ConstantDataArray. As part of this, change the implementation of GetConstantStringInfo in ValueTracking to work with ConstantDataArray (and not ConstantArray) making it dramatically, amazingly, more efficient in the process and renaming it to getConstantStringInfo. This keeps around a GetConstantStringInfo entrypoint that (grossly) forwards to getConstantStringInfo and constructs the std::string required, but existing clients should move over to getConstantStringInfo instead. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149351 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-31rework this logic to not depend on the last argument to GetConstantStringInfo,Chris Lattner
which is going away. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149348 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-31don't emit a 1-byte object as a .fill. This is silly and causesChris Lattner
CodeGen/X86/global-sections.ll to fail with CDArray git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149343 91177308-0d34-0410-b5e6-96231b3b80d8
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