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2012-11-05MemoryBuffer: Support reading named pipes in getFile().Daniel Dunbar
- We only support this when the client didn't claim to know the file size. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167407 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-05Cost Model: Normalize the insert/extract index when splitting typesNadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167402 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-05Cost Model: teach the cost model about expanding integers.Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167401 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-05Add a method to indicate section address re-assignment is finished.Andrew Kaylor
Prior to this patch RuntimeDyld attempted to re-apply relocations every time reassignSectionAddress was called (via MCJIT::mapSectionAddress). In addition to being inefficient and redundant, this led to a problem when a section was temporarily moved too far away from another section with a relative relocation referencing the section being moved. To fix this, I'm adding a new method (finalizeObject) which the client can call to indicate that it is finished rearranging section addresses so the relocations can safely be applied. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167400 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-05On PowerPC64, integer return values (as well as arguments) are supposedUlrich Weigand
to be extended to a full register. This is modeled in the IR by marking the return value (or argument) with a signext or zeroext attribute. However, while these attributes are respected for function arguments, they are currently ignored for function return values by the PowerPC back-end. This patch updates PPCCallingConv.td to ask for the promotion to i64, and fixes LowerReturn and LowerCallResult to implement it. The new test case verifies that both arguments and return values are properly extended when passing them; and also that the optimizers understand incoming argument and return values are in fact guaranteed by the ABI to be extended. The patch caused a spurious breakage in CodeGen/PowerPC/coalesce-ext.ll, since the test case used a "ret" instruction to create a use of an i32 value at the end of the function (to set up data flow as required for what the test is intended to test). Since there's now an implicit promotion to i64, that data flow no longer works as expected. To fix this, this patch now adds an extra "add" to ensure we have an appropriate use of the i32 value. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167396 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-05Implement the cost of abnormal x86 instruction lowering as a table.Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167395 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-05lli: Initialize the native asm parser for inline assembly.Jim Grosbach
MCJIT supports inline assembly, but requires the asm parser to do so. Make sure to link it in and initialize it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167392 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-05Add support for the PowerPC-specific inline asm Z constraint and y modifier.Hal Finkel
The Z constraint specifies an r+r memory address, and the y modifier expands to the "r, r" in the asm string. For this initial implementation, the base register is forced to r0 (which has the special meaning of 0 for r+r addressing on PowerPC) and the full address is taken in the second register. In the future, this should be improved. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167388 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-05[PATCH] PowerPC: Expand load extend vector operationsAdhemerval Zanella
This patch expands the SEXTLOAD, ZEXTLOAD, and EXTLOAD operations for vector types when altivec is enabled. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167386 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-05Add missing this->. Fixes pr14238.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167383 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-05Don't infer whether a value is captured in the current function from theRichard Osborne
'nocapture' attribute. The nocapture attribute only specifies that no copies are made that outlive the function. This isn't the same as there being no copies at all. This fixes PR14045. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167381 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-05Add a couple of stubs to the release notes for things I noticed whileChandler Carruth
clearing out my backlog of commit mail. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167380 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-05PR14256: SelectionDAGLowering was renamed to SelectionDAGBuilder a long time ↵Eli Bendersky
ago. Fix references to it in documentation and comments. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167378 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-05ConstantFolding.cpp: Whitespace.NAKAMURA Takumi
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167377 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-04Apply the patch from PR14160. I failed to construct a testcase for this, butDuncan Sands
I'm applying it anyway since it seems to be obviously correct. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167370 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-04Remove alignments from folding tables for scalar FMA4 instructions.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167366 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-03Fix the IntegersSubsetTest unit test when compiled with gcc-4.7. The issue hereDuncan Sands
is that the unit test doesn't have IntTy equal to APInt, instead it uses a class derived from APInt. When, as in these lines, an IntTy& reference is returned but is assigned to an APInt&, the compiler destroys the temporary the IntTy& was referring to, leaving the APInt& referring to garbage. This causes the unittest to fail systematically on my machine; it can also be caught by running the test under valgrind. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167356 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-03Generalize the transform that boosts GEP indices to the size of a pointer toDuncan Sands
also do it for vectors of pointers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167354 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-03[mips] Set flag neverHasSideEffects flag on floating point conversionAkira Hatanaka
instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167348 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-03X86 CostModel: Add support for a some of the common arithmetic instructions ↵Nadav Rotem
for SSE4, AVX and AVX2. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167347 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-03[mips] Set flag isAsCheapAsAMove flag on instruction LUi.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167345 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-03Be careful not to optimize a SELECT_CC into a SETCC post-legalization if the ↵Owen Anderson
SETCC node would be illegal. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167344 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-03[mips] Stop reserving register AT and use register scavenger when a scratchAkira Hatanaka
register is needed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167341 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-02[mips] Do not reserve all 64-bit registers, but only the ones which need to beAkira Hatanaka
reserved. Without this fix, RegScavenger::getRegsAvailable incorrectly returns an empty set of integer registers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167335 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-02Include all the fields so we can correctly emit DW_TAG_structure_type for ↵David Blaikie
C++ structs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167334 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-02Add a stub for the x86 cost model impl. Implement a basic cost rule for ↵Nadav Rotem
inserting/extracting from XMM registers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167333 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-02Remove empty directoryNadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167330 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-02CostModel: add support for Vector Insert and Extract.Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167329 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-02remove empty directoriesChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167328 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-02[mips] Fix disassembler test cases.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167326 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-02Add a cost model analysis that allows us to estimate the cost of IR-level ↵Nadav Rotem
instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167324 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-02Scalar Bitcasts and Truncs are usually freeNadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167323 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-02[mips] Fix bug in test case. Disable machine LICM to prevent instruction fromAkira Hatanaka
being moved out of a basic block. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167322 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-02Vext Lowering was missing opportunitiesQuentin Colombet
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167318 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-02[mips] Use register number instead of name to print register $AT.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167315 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-02[mips] Add function MipsFrameLowering::estimateStackSize.Akira Hatanaka
This function estimates stack size and will be called before PrologEpilogInserter scans the callee-saved registers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167313 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-02[mips] Add member field MipsFunctionInfo::IncomingArgSize which holds the sizeAkira Hatanaka
of the incoming argument area. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167312 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-02Fix a build problem with xlc. The error message wasRafael Espindola
"../llvm-git/utils/TableGen/CodeGenSchedule.cpp", line 1594.12: 1540-0218 (S) The call does not match any parameter list for "operator+". "../llvm-git/include/llvm/ADT/STLExtras.h", line 130.1: 1540-1283 (I) "template <class _Iterator, class Func> llvm::operator+(mapped_iterator<_Iterator,Func>::difference_type, const mapped_iterator<_Iterator,Func> &)" is not a viable candidate. Patch by Kai. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167311 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-02[mips] Delete MipsFunctionInfo::EmitNOAT. Unconditionally print directiveAkira Hatanaka
"set .noat" so that the assembler doesn't issue warnings when register $AT is used. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167310 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-02XLC supports the same atomic functions as GCC, use them.Rafael Espindola
Patch by Kai. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167309 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-02Change resolveRelocation parameters so the relocations can find placeholder ↵Andrew Kaylor
values in the original object buffer. Some ELF relocations require adding the a value to the original contents of the object buffer at the specified location. In order to properly handle multiple applications of a relocation, the RuntimeDyld code should be grabbing the original value from the object buffer and writing a new value into the loaded section buffer. This patch changes the parameters passed to resolveRelocations to accommodate this need. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167304 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-02Documentation: fix typos.Dmitri Gribenko
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167302 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-02Fix whitespacesAlexey Samsonov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167295 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-02Enable the assertion in getIntPtrType (I've audited all users of this method andDuncan Sands
they are now all correct; hopefully the buildbots will agree!). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167289 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-02Add a testcase to loop-idiom to cover PR14241 when we start handlingChandler Carruth
strided loops again. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167287 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-02Revert the switch of loop-idiom to use the new dependence analysis.Chandler Carruth
The new analysis is not yet ready for prime time. It has a *critical* flawed assumption, and some troubling shortages of testing. Until it's been hammered into better shape, let's stick with the working code. This should be easy to revert itself when the analysis is ready. Fixes PR14241, a miscompile of any memcpy-able loop which uses a pointer as the induction mechanism. If you have been seeing miscompiles in this revision range, you really want to test with this backed out. The results of this miscompile are a bit subtle as they can lead to downstream passes concluding things are impossible which are in fact possible. Thanks to David Blaikie for the majority of the reduction of this miscompile. I'll be checking in the test case in a non-revert commit. Revesions reverted here: r167045: LoopIdiom: Fix a serious missed optimization: we only turned top-level loops into memmove. r166877: LoopIdiom: Add checks to avoid turning memmove into an infinite loop. r166875: LoopIdiom: Recognize memmove loops. r166874: LoopIdiom: Replace custom dependence analysis with DependenceAnalysis. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167286 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-02Fix an obvious typo that causes an assertion failure when runningDuncan Sands
test/Transforms/GVN/rle.ll if the (currently disabled) check for a pointer type in getIntPtrType is turned on. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167285 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-02Fix sign compare warning. Patch by Mahesha HS.Chandler Carruth
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167282 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-02libprofile/CommonProfiling.c: Fix according to C89.NAKAMURA Takumi
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167272 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-02PGO: allows the profile data file name to be specified by the LLVMPROF_OUTPUTManman Ren
environment variable. This allows parallel make for profiling code, without it there are file collisions as each parallel run uses the default file name. There is already code in the runtime library to specify the output file name via the command line, but this only works for programs which already process argc/argv. This patch builds on that support. Patch by Alastair Murray. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167269 91177308-0d34-0410-b5e6-96231b3b80d8
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