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2011-02-24Track blocks visited in reverse postorder.Cameron Zwarich
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126377 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-24Refactor the LiveOutInfo interface into a few methods on FunctionLoweringInfoCameron Zwarich
and make the actual map private. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126376 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-24Have isel visit blocks in reverse postorder rather than an undefined order. ThisCameron Zwarich
allows for the information propagated across basic blocks to be merged at phis. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126375 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-24wire TargetLibraryInfo into simplify libcalls and use it in a couple ofChris Lattner
trivial places. This pass needs a lot of work. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126367 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-24move a massive amount of code out into its own helper functionChris Lattner
to reduce nesting. This needs to be turned into a table. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126366 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-24change instcombine to not turn a call to non-varargs bitcast ofChris Lattner
function prototype into a call to a varargs prototype. We do allow the xform if we have a definition, but otherwise we don't want to risk that we're changing the abi in a subtle way. On X86-64, for example, varargs require passing stuff in %al. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126363 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-24Fix bug in X86 folding / unfolding table. Int_CMPSDrm and Int_CMPSSrm memoryEvan Cheng
operands starts at index 2, not 1. rdar://9045024 PR9305 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126359 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-24Use the same spill slot for all live ranges that descend form the same originalJakob Stoklund Olesen
register. This avoids some silly stack slot shuffling when both sides of a copy get spilled. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126353 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-24Depricate PathV1::isAbsolute.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126348 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-23Use DW_FORM_data2 for DW_AT_language and let users use ↵Devang Patel
DW_LANG_lo_user=0x8000 to DW_LANG_hi_user=0xffff range. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126339 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-23Check only relevant strings in output to increase stability of the tests.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126338 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-23Remove file. Previous commit deleted content, but left the file around.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126337 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-23Revert r125595, which is an X86-only undocumented assembly syntax extensionJim Grosbach
enabled for all targets. Non-X86 targets should not have this behavior enabled by default. Joerg, if you would like to resubmit with the behavior conditionalized to be X86-ELF only, that's fine. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126336 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-23Put in the symbol table symbols only used in a .globl statement.Rafael Espindola
Fixes PR9292. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126330 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-23Add XCore intrinsic for clre instruction.Richard Osborne
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126322 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-23Add llvm.xcore.waitevent intrinsic. The effect of this intrinsic is to enableRichard Osborne
events on the thread and wait until a resource is ready to event. The vector of the resource that is ready is returned. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126320 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-23It is safe to ignore LastSplitPoint when the variable is not live out.Jakob Stoklund Olesen
No code will be inserted after the split point anyway. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126319 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-23Add XCore intrinsic for the setv instruction.Richard Osborne
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126315 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-23Fix format for setc instruction.Richard Osborne
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126314 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-23Add XCore intrinsic for settw instruction.Richard Osborne
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126313 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-23Implement TODO for implicit C-array-to-ArrayRef conversion.Frits van Bommel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126311 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-23Export TARGET_TRIPLE on LLVM.cmake. It is necessary for running testsOscar Fuentes
on Clang when it builds using LLVM as an external library. Fixes PR9293. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126309 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-23Fixed a bug in the enhanced disassembler that causedSean Callanan
it to ignore valid uses of FS and GS as additional base registers in address computations. Added a test case for this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126302 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-23Fixed a bug in the enhanced disassembly tester thatSean Callanan
caused it to only parse one line of input. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126301 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-23Change VFPNeonA8 definition to make the code easier to read.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126298 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-23Omit private_extern declarations of extern symbols; followup toStuart Hastings
r124468. Patch by Rafael Avila de Espindola! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126297 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-23More fcopysign correctness and performance fix.Evan Cheng
The previous codegen for the slow path (when values are in VFP / NEON registers) was incorrect if the source is NaN. The new codegen uses NEON vbsl instruction to copy the sign bit. e.g. vmov.i32 d1, #0x80000000 vbsl d1, d2, d0 If NEON is not available, it uses integer instructions to copy the sign bit. rdar://9034702 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126295 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-23Keep track of how many times a live range has been dequeued, and prioritize ↵Jakob Stoklund Olesen
new ranges. When a large live range is evicted, it will usually be split when it comes around again. By deferring evicted live ranges, the splitting happens at a time when the interference pattern is more realistic. This prevents repeated splitting and evictions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126282 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-23Fix a bug in determining if there is only a single interfering register.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126277 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-23Be more aggressive about evicting interference.Jakob Stoklund Olesen
Use interval sizes instead of spill weights to determine if it is legal to evict interference. A smaller interval can evict interference if all interfering live ranges are larger. Allow multiple interferences to be evicted as along as they are all larger than the live range being allocated. Spill weights are still used to select the preferred eviction candidate. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126276 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-22[AVX] General VUNPCKL codegen support.David Greene
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126264 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-22Fix Builder::execute() to more properly pass the desired environmentDavid Greene
to tools. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126263 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-22Change the RAGreedy register assignment order so large live ranges are ↵Jakob Stoklund Olesen
allocated first. This is based on the observation that long live ranges are more difficult to allocate, so there is a better chance of solving the puzzle by handling the big pieces first. The allocator will evict and split long alive ranges when they get in the way. RABasic is still using spill weights for its priority queue, so the interface to the queue has been virtualized. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126259 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-2280 Col.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126258 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-22Fix C++0x incompatibility. The signature of std::make_pair<> changes from:Nick Lewycky
template <class T1, class T2> pair<T1,T2> make_pair(const T1&, const T2&); to template <class T1, class T2> pair<V1, V2> make_pair(T1&&, T2&&); so explicitly specifying the template arguments to make_pair<> is going to break when C++0x rolls through. Replace them with equivalent std::pair<>. Patch by James Dennett! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126256 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-22Make LoopDeletion work on loops with multiple edges, as long as the incomingCameron Zwarich
values from all of the loop's exiting blocks are equal. Patch by Andrew Clinton. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126253 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-22Use the same (%dx) hack for in[bwl] as for out[bwl].Joerg Sonnenberger
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126244 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-22VFP single precision arith instructions can go down to NEON pipeline, but on ↵Evan Cheng
Cortex-A8 only. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126238 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-22Follow LLVM coding style. Devang Patel
clang uses DBuilder, so it requries corresponding change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126231 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-22Stack alignment is 16 bytes on FreeBSD/i386 too.Roman Divacky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126226 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-22Bug#9172: Don't use static in file scope, use an attribute on theJoerg Sonnenberger
parser. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126225 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-22CMake: remove unnecessary variable.Oscar Fuentes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126224 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-22MachineConstantPoolValues are not uniqued, so they need to be freed if theyCameron Zwarich
share entries. Add a DenseSet to MachineConstantPool for the MachineCPVs that it owns. This will hopefully fix the MC/ARM/elf-reloc-01.ll failure on the leaks bots. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126218 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-22Revert r126195, "test/CodeGen/X86/vec_cast.ll: Mark as XFAIL: migw,win32 for ↵NAKAMURA Takumi
workaround of PR8311." It seems it affected configuration --target=i686-pc-mingw32, I don't know and will investigate why. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126217 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-22Relax expressions and add explicit triplets -linux and -win32.NAKAMURA Takumi
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126216 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-22Relax expressions and add explicit triplets -linux and -win32.NAKAMURA Takumi
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126215 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-22Relax expressions and add explicit triplets -linux and -win32.NAKAMURA Takumi
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126214 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-22Relax expressions and add explicit triplets -linux and -win32.NAKAMURA Takumi
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126213 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-22Relax expressions and add explicit triplets -linux and -win32.NAKAMURA Takumi
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126212 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-22Relax expressions and add explicit triplets -linux and -win32.NAKAMURA Takumi
On @foobar(double %d, double* %x), AMD64: (%xmm0, %rdi) Win64: (%xmm0, %rdx) (not %rcx!) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126211 91177308-0d34-0410-b5e6-96231b3b80d8
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