Reid Kleckner [Fri, 29 May 2015 17:00:57 +0000 (17:00 +0000)]
[WinEH] Emit EH tables for __CxxFrameHandler3 on 32-bit x86
Small (really small!) C++ exception handling examples work on 32-bit x86
now.
This change disables the use of .seh_* directives in WinException when
CFI is not in use. It also uses absolute symbol references in the tables
instead of imagerel32 relocations.
Also fixes a cache invalidation bug in MMI personality classification.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238575
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Jingyue Wu [Fri, 29 May 2015 17:00:27 +0000 (17:00 +0000)]
[NVPTXFavorNonGenericAddrSpaces] recursively trace into GEP and BitCast
Summary:
This patch allows NVPTXFavorNonGenericAddrSpaces to remove addrspacecast
from longer chains consisting of GEPs and BitCasts. For example, it can
now optimize
%0 = addrspacecast [10 x float] addrspace(3)* @a to [10 x float]*
%1 = gep [10 x float]* %0, i64 0, i64 %i
%2 = bitcast float* %1 to i32*
%3 = load i32* %2 ; emits ld.u32
to
%0 = gep [10 x float] addrspace(3)* @a, i64 0, i64 %i
%1 = bitcast float addrspace(3)* %0 to i32 addrspace(3)*
%3 = load i32 addrspace(3)* %1 ; emits ld.shared.f32
Test Plan: @ld_int_from_global_float in access-non-generic.ll
Reviewers: broune, eliben, jholewinski, meheff
Subscribers: jholewinski, llvm-commits
Differential Revision: http://reviews.llvm.org/D10074
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238574
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Jingyue Wu [Fri, 29 May 2015 16:58:08 +0000 (16:58 +0000)]
[DependenceAnalysis] Extend unifySubscriptType for handling coupled subscript groups.
Summary:
In continuation to an earlier commit to DependenceAnalysis.cpp by jingyue (r222100), the type for all subscripts in a coupled group need to be the same since constraints from one subscript may be propagated to another during testing. During testing, new SCEVs may be created and the operands for these need to be the same.
This patch extends unifySubscriptType() to work on lists of subscript pairs, ensuring a common extended type for all of them.
Test Plan:
Added a test case to NonCanonicalizedSubscript.ll which causes dependence analysis to crash without this fix.
All regression tests pass.
Reviewers: spop, sebpop, jingyue
Reviewed By: jingyue
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D9698
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238573
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Rafael Espindola [Fri, 29 May 2015 15:07:27 +0000 (15:07 +0000)]
Simplify now that symbols contain the correct section.
The complexity in here was because before r233995 variable symbols would report
the incorrect section.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238559
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Colin LeMahieu [Fri, 29 May 2015 14:48:25 +0000 (14:48 +0000)]
[Objdump] Removing unused parameter.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238557
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Colin LeMahieu [Fri, 29 May 2015 14:44:13 +0000 (14:44 +0000)]
[Hexagon] Disassembling, printing, and emitting instructions a whole-bundle at a time which is the semantic unit for Hexagon. Fixing tests to use the new format. Disabling tests in the direct object emission path for a followup patch.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238556
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Rafael Espindola [Fri, 29 May 2015 14:20:40 +0000 (14:20 +0000)]
Fix ELFObjectWriter::isLocal for signature symbols.
And with that simplify the logic for inserting them in ExternalSymbolData or
LocalSymbolData.
No functionality change overall since the old code avoided the isLocal bug.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238555
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Toma Tabacu [Fri, 29 May 2015 13:52:56 +0000 (13:52 +0000)]
[mips] Remove 2 unused variables in MipsTargetStreamer.cpp. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238554
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Aaron Ballman [Fri, 29 May 2015 13:00:07 +0000 (13:00 +0000)]
Removing a switch statement that only contains a default; NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238552
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Craig Topper [Fri, 29 May 2015 05:51:32 +0000 (05:51 +0000)]
[TableGen] Remove convertValue functions for UnOpInit, BinOpInit, and TernOpInit as they weren't able to be called.
I don't think converting the inputs to the Ops was the right behavior anyway.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238543
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Matthias Braun [Fri, 29 May 2015 02:59:59 +0000 (02:59 +0000)]
This should have been a reference
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238540
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Matthias Braun [Fri, 29 May 2015 02:56:46 +0000 (02:56 +0000)]
CodeGen: Use mop_iterator instead of MIOperands/ConstMIOperands
MIOperands/ConstMIOperands are classes iterating over the MachineOperand
of a MachineInstr, however MachineInstr::mop_iterator does the same
thing.
I assume these two iterators exist to have a uniform interface to
iterate over the operands of a machine instruction bundle and a single
machine instruction. However in practice I find it more confusing to have 2
different iterator classes, so this patch transforms (nearly all) the
code to use mop_iterators.
The only exception being MIOperands::anlayzePhysReg() and
MIOperands::analyzeVirtReg() still needing an equivalent, I leave that
as an exercise for the next patch.
Differential Revision: http://reviews.llvm.org/D9932
This version is slightly modified from the proposed revision in that it
introduces MachineInstr::getOperandNo to avoid the extra counting
variable in the few loops that previously used MIOperands::getOperandNo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238539
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Quentin Colombet [Fri, 29 May 2015 01:40:00 +0000 (01:40 +0000)]
Add a test for the MachineCopyPropagation change landed in r238518.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238537
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Ahmed Bougacha [Fri, 29 May 2015 01:03:37 +0000 (01:03 +0000)]
[TableGen][AsmMatcherEmitter] Only parse isolated tokens as registers.
Fixes PR23455, where, when TableGen generates the matcher from the
AsmString, it splits "cmp${cc}ss" into tokens, and the "ss" suffix
is recognized as the SS register.
I can't think of a situation where that's a feature, not a bug, hence:
when a token is "isolated", i.e., it is followed and preceded by
separators, it shouldn't be parsed as a register.
Differential Revision: http://reviews.llvm.org/D9844
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238536
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Ahmed Bougacha [Fri, 29 May 2015 00:55:55 +0000 (00:55 +0000)]
[TableGen][AsmMatcherEmitter] Factor out AsmOperand creation. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238534
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Ahmed Bougacha [Fri, 29 May 2015 00:04:30 +0000 (00:04 +0000)]
[IR] fptrunc-of-fptrunc isn't an EliminableCastPair.
Double and single rounding can produce different results.
This is the IR counterpart to r228911.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238531
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Matthias Braun [Thu, 28 May 2015 23:20:35 +0000 (23:20 +0000)]
MachineFrameInfo: Simplify pristine register calculation.
About pristine regsiters:
Pristine registers "hold a value that is useless to the current
function, but that must be preserved - they are callee saved registers
that have not been saved." This concept saves compile time as it frees
the prologue/epilogue inserter from adding every such register to every
basic blocks live-in list.
However the current code in getPristineRegs is formulated in a
complicated way: Inside the function prologue and epilogue all callee
saves are considered pristine, while in the rest of the code only the
non-saved ones are considered pristine. This requires logic to
differentiate between prologue/epilogue and the rest and in the presence
of shrink-wrapping this even becomes complicated/expensive. It's also
unnecessary because the prologue epilogue inserters already mark
callee-save registers that are saved/restores properly in the respective
blocks in the prologue/epilogue (see updateLiveness() in
PrologueEpilogueInserter.cpp). So only declaring non-saved/restored
callee saved registers as pristine just works.
Differential Revision: http://reviews.llvm.org/D10101
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238524
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Eric Christopher [Thu, 28 May 2015 23:07:39 +0000 (23:07 +0000)]
Fix typos in variable/grammar names.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238523
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Reid Kleckner [Thu, 28 May 2015 22:47:01 +0000 (22:47 +0000)]
Rename Win64Exception.(cpp|h) to WinException.(cpp|h)
This is in preparation for reusing this for 32-bit x86 EH table
emission. Also updates the type name for consistency. NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238521
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Chandler Carruth [Thu, 28 May 2015 22:46:48 +0000 (22:46 +0000)]
[x86] Move the vector popcount tests into non-ISA files, and instead
organize them by the width of vector.
This makes it a lot easier to see that we're covering all of the vector
types but not doing so excessively. This also adds tests across the
spectrum of SSE versions in addition to the AVX versions.
If you're really tired of seeing the *massive* sprawl of scalarized code
for this, don't worry, I'm just about to land Bruno's patch that
dramatically improve the situation for SSSE3 and newer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238520
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Alex Lorenz [Thu, 28 May 2015 22:41:12 +0000 (22:41 +0000)]
MIR Serialization: print and parse machine function names.
This commit introduces a serializable structure called
'llvm::yaml::MachineFunction' that stores the machine
function's name. This structure will mirror the machine
function's state in the future.
This commit prints machine functions as YAML documents
containing a YAML mapping that stores the state of a machine
function. This commit also parses the YAML documents
that contain the machine functions.
Reviewers: Duncan P. N. Exon Smith
Differential Revision: http://reviews.llvm.org/D9841
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238519
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Quentin Colombet [Thu, 28 May 2015 22:38:40 +0000 (22:38 +0000)]
[MachineCopyPropagation] Fix a bug with undef handling when the value is actualy alive.
Test case will follow.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238518
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Chris Bieneman [Thu, 28 May 2015 22:18:34 +0000 (22:18 +0000)]
Fixing broken bots after r238505.
Need non-const iterator inserts too. These failures seem to be due to differences in the versions of libstdc++ on various operating systems.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238516
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David Majnemer [Thu, 28 May 2015 22:12:27 +0000 (22:12 +0000)]
Add testcase for r238503.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238515
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Reid Kleckner [Thu, 28 May 2015 22:00:24 +0000 (22:00 +0000)]
[WinEH] Start inserting state number stores for C++ EH
This moves all the state numbering code for C++ EH to WinEHPrepare so
that we can call it from the X86 state numbering IR pass that runs
before isel.
Now we just call the same state numbering machinery and insert a bunch
of stores. It also populates MachineModuleInfo with information about
the current function.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238514
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Rafael Espindola [Thu, 28 May 2015 21:59:34 +0000 (21:59 +0000)]
Don't special case undefined symbol when deciding the symbol order.
ELF has no restrictions on where undefined symbols go relative to other defined
symbols. In fact, gas just sorts them together. Do the same.
This was there since r111174 probably just because the MachO writer has it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238513
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Diego Novillo [Thu, 28 May 2015 21:57:17 +0000 (21:57 +0000)]
Update documentation for llvm-profdata.
These options have been present for a while, but I had never updated the
documentation. Fixed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238511
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Chris Bieneman [Thu, 28 May 2015 21:51:52 +0000 (21:51 +0000)]
Fixing the polly build.
I broke the polly build in r238505. This fixes the failure by adding non-const iterator erase methods to cl::list_storage.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238509
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Andy Ayers [Thu, 28 May 2015 21:49:50 +0000 (21:49 +0000)]
Revise test to run llc and llvm-mc separately.
Differential Revision: http://reviews.llvm.org/D10066
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238508
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Wei Mi [Thu, 28 May 2015 21:49:07 +0000 (21:49 +0000)]
Enable exitValue rewrite only when the cost of expansion is low.
The patch evaluates the expansion cost of exitValue in indVarSimplify pass, and only does the rewriting when the expansion cost is low or loop can be deleted with the rewriting. It provides an option "-replexitval=" to control the default aggressiveness of the exitvalue rewriting. It also fixes some missing cases in SCEVExpander::isHighCostExpansionHelper to enhance the evaluation of SCEV expansion cost.
Differential Revision: http://reviews.llvm.org/D9800
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238507
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Rafael Espindola [Thu, 28 May 2015 21:36:02 +0000 (21:36 +0000)]
Remove a trivial forwarding function. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238506
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Chris Bieneman [Thu, 28 May 2015 21:31:22 +0000 (21:31 +0000)]
Re-landing "Refactoring cl::list_storage from "is a" to "has a" std::vector."
Originally landed r238485
MSVC resolves identifiers differently from Clang and GCC, this resulted in build bot failures. This pach re-lands r238485 and fixes the build failures.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238505
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David Majnemer [Thu, 28 May 2015 21:29:59 +0000 (21:29 +0000)]
[SelectionDAG] Scalar shift amounts may require legalization
The shift amount may be too small to cope with promoted left hand side,
make sure to promote it as well.
This fixes PR23664.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238503
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Reid Kleckner [Thu, 28 May 2015 21:23:53 +0000 (21:23 +0000)]
Remove debug prints from r238487
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238501
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Colin LeMahieu [Thu, 28 May 2015 20:59:08 +0000 (20:59 +0000)]
[llvm] Adding vdtor to fix warning.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238494
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Rafael Espindola [Thu, 28 May 2015 20:53:09 +0000 (20:53 +0000)]
Inline trivial method. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238492
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Chris Bieneman [Thu, 28 May 2015 20:47:02 +0000 (20:47 +0000)]
Revert "Refactoring cl::list_storage from "is a" to "has a" std::vector."
This reverts commit
117715ca0613d3db144241499401f2ec5398f1d5.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238491
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Reid Kleckner [Thu, 28 May 2015 20:44:28 +0000 (20:44 +0000)]
Disable x86 tail call optimizations that jump through GOT
For x86 targets, do not do sibling call optimization when materializing
the callee's address would require a GOT relocation. We can still do
tail calls to internal functions, hidden functions, and protected
functions, because they do not require this kind of relocation. It is
still possible to get GOT relocations when the user explicitly asks for
it with musttail or -tailcallopt, both of which are supposed to
guarantee TCO.
Based on a patch by Chih-hung Hsieh.
Reviewers: srhines, timmurray, danalbert, enh, void, nadav, rnk
Subscribers: joerg, davidxl, llvm-commits
Differential Revision: http://reviews.llvm.org/D9799
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238487
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Chris Bieneman [Thu, 28 May 2015 20:38:12 +0000 (20:38 +0000)]
Refactoring cl::list_storage from "is a" to "has a" std::vector.
Summary: This isn't necessarily an ideal change, and I want to at least reduce the API surface area, but for the new API we really shouldn't be relying on cl::list being a std::vector.
Reviewers: chandlerc
Reviewed By: chandlerc
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D10093
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238485
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Daniel Sanders [Thu, 28 May 2015 20:30:32 +0000 (20:30 +0000)]
Revert r238427 - [mips] Make TTypeEncoding indirect to allow .eh_frame to be read-only.
It caused a smaller number of failures than the previous attempt at committing but still caused a couple on the llvm-linux-mips builder. Reverting while I investigate the remainder.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238483
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Alexey Samsonov [Thu, 28 May 2015 20:25:42 +0000 (20:25 +0000)]
Object, ELF: Use error code instead of calling report_fatal_error()
Make createELFObjectFile() return object_error::parse_failed on
encountering invalid ELF file, instead of crashing the program.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238481
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Rafael Espindola [Thu, 28 May 2015 20:25:29 +0000 (20:25 +0000)]
Remove structure field that can be computed just before use.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238480
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Rafael Espindola [Thu, 28 May 2015 20:19:31 +0000 (20:19 +0000)]
Avoid warnings when building without asserts.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238479
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Rafael Espindola [Thu, 28 May 2015 20:11:34 +0000 (20:11 +0000)]
Move these vectors to the only function where they are used.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238477
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Peter Collingbourne [Thu, 28 May 2015 20:02:45 +0000 (20:02 +0000)]
Thumb2: Modify codegen for memcpy intrinsic to prefer LDM/STM.
We were previously codegen'ing these as regular load/store operations and
hoping that the register allocator would allocate registers in ascending order
so that we could apply an LDM/STM combine after register allocation. According
to the commit that first introduced this code (r37179), we planned to teach
the register allocator to allocate the registers in ascending order. This
never got implemented, and up to now we've been stuck with very poor codegen.
A much simpler approach for achiveing better codegen is to create LDM/STM
instructions with identical sets of virtual registers, let the register
allocator pick arbitrary registers and order register lists when printing an
MCInst. This approach also avoids the need to repeatedly calculate offsets
which ultimately ought to be eliminated pre-RA in order to decrease register
pressure.
This is implemented by lowering the memcpy intrinsic to a series of SD-only
MCOPY pseudo-instructions which performs a memory copy using a given number
of registers. During SD->MI lowering, we lower MCOPY to LDM/STM. This is a
little unusual, but it avoids the need to encode register lists in the SD,
and we can take advantage of SD use lists to decide whether to use the _UPD
variant of the instructions.
Fixes PR9199.
Differential Revision: http://reviews.llvm.org/D9508
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238473
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Reid Kleckner [Thu, 28 May 2015 20:02:05 +0000 (20:02 +0000)]
[WinEH] Remove debugging dump() call
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238472
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Rafael Espindola [Thu, 28 May 2015 20:00:13 +0000 (20:00 +0000)]
Merge redundant loops. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238471
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Duncan P. N. Exon Smith [Thu, 28 May 2015 19:56:34 +0000 (19:56 +0000)]
AsmPrinter: Stop exposing underlying DIE children list, NFC
Update `DIE` API to hide the implementation of `DIE::Children` so we can
swap it out.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238468
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Rafael Espindola [Thu, 28 May 2015 19:46:36 +0000 (19:46 +0000)]
Simplify LastLocalSymbolIndex computation. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238465
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Rafael Espindola [Thu, 28 May 2015 19:43:20 +0000 (19:43 +0000)]
Use range loops. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238463
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Pete Cooper [Thu, 28 May 2015 19:43:06 +0000 (19:43 +0000)]
Add BranchProbabilityInfo::releaseMemory to clear the Weights field.
BranchProbabilityInfo was leaking 3MB of memory when running 'opt -O2 verify-uselistorder.lto.bc'. This was due to the Weights member not being cleared once the pass is no longer needed.
This adds the releaseMemory override to clear that field. The other fields are cleared at the end of runOnFunction so can stay there.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238462
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Rafael Espindola [Thu, 28 May 2015 19:29:15 +0000 (19:29 +0000)]
Remove temporary FileSymbolData. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238461
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Colin LeMahieu [Thu, 28 May 2015 19:07:14 +0000 (19:07 +0000)]
[Objdump] Allow instruction pretty printing to be specialized by the target triple.
Differential Revision: http://reviews.llvm.org/D8427
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238457
91177308-0d34-0410-b5e6-
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Duncan P. N. Exon Smith [Thu, 28 May 2015 18:55:38 +0000 (18:55 +0000)]
AsmPrinter: Rename begin_values() => values_begin(), NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238456
91177308-0d34-0410-b5e6-
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Colin LeMahieu [Thu, 28 May 2015 18:39:50 +0000 (18:39 +0000)]
[llvm] Parameterizing the output stream for dumpbytes and outputting directly to stream.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238453
91177308-0d34-0410-b5e6-
96231b3b80d8
David Majnemer [Thu, 28 May 2015 18:39:17 +0000 (18:39 +0000)]
[InstCombine] Fold IntToPtr and PtrToInt into preceding loads.
Currently we only fold a BitCast into a Load when the BitCast is its
only user.
Do the same for any no-op cast.
Differential Revision: http://reviews.llvm.org/D9152
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238452
91177308-0d34-0410-b5e6-
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Alexey Samsonov [Thu, 28 May 2015 18:35:18 +0000 (18:35 +0000)]
Add llvm-dwarfdump-fuzzer that uses LibFuzzer to fuzz llvm-dwarfdump tool.
The fuzzer is very simple, but not quite useful at the moment: it's unable
to discover "interesting" examples, as LLVMObject library is terrible at
error recovery, calling "report_fatal_error()" far too often.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238451
91177308-0d34-0410-b5e6-
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Owen Anderson [Thu, 28 May 2015 18:33:39 +0000 (18:33 +0000)]
Add support for the convergent flag at the MC and MachineInstr levels.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238450
91177308-0d34-0410-b5e6-
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Chad Rosier [Thu, 28 May 2015 18:18:21 +0000 (18:18 +0000)]
Reuse Loc variable. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238448
91177308-0d34-0410-b5e6-
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Duncan P. N. Exon Smith [Thu, 28 May 2015 18:09:13 +0000 (18:09 +0000)]
AsmPrinter: Suppress warnings on GCC from r238362, NFC
GCC seems to have some overzealous warnings about strict aliasing.
Rafael reports that this patch suppresses them on GCC 4.9, and I'm
hoping this will work for GCC 4.7 as well. I'll watch [1] and iterate
if necessary.
[1]: http://bb.pgr.jp/builders/clang-3stage-x86_64-linux/builds/8597
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238447
91177308-0d34-0410-b5e6-
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Rafael Espindola [Thu, 28 May 2015 18:03:20 +0000 (18:03 +0000)]
Use range loops for accessing file names. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238446
91177308-0d34-0410-b5e6-
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Owen Anderson [Thu, 28 May 2015 18:03:07 +0000 (18:03 +0000)]
Expand the Flags field of MCInstrDesc to 64 bits, while simultaneously
shrinking the Size and NumDefs fields to offset the size growth, and
reordering the fields to preserve a good packing.
This is necessary in the short term for adding a convergent flag, and
simultaneously future-proofs us against more flags being added in the
future.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238445
91177308-0d34-0410-b5e6-
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Rafael Espindola [Thu, 28 May 2015 17:54:01 +0000 (17:54 +0000)]
Merge computeSymbolTable and writeSymbolTable.
For now this just saves a few loops, but it will allow more simplifications
in the future.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238444
91177308-0d34-0410-b5e6-
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Kai Nacke [Thu, 28 May 2015 16:23:16 +0000 (16:23 +0000)]
[mips] Add new format for dmtc2/dmfc2 for Octeon CPUs.
Octeon CPUs use dmtc2 rt,imm16 and dmfcp2 rt,imm16 for the crypto coprocessor.
E.g. dmtc2 rt,0x4057 starts calculation of sha-1.
I had to introduce a new deconding namespace to avoid a decoding conflict.
Reviewed By: dsanders
Differential Revision: http://reviews.llvm.org/D10083
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238439
91177308-0d34-0410-b5e6-
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Ed Maste [Thu, 28 May 2015 15:38:17 +0000 (15:38 +0000)]
DebugInfo: .debug_line DWARF64 support
This adds support for the 64-bit DWARF format, but is still limited to
less than 4GB of debug data by the DataExtractor class. Some versions
of the GNU MIPS toolchain generate 64-Bit DWARF even though it isn't
actually necessary.
Differential Revision: http://reviews.llvm.org/D1988
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238434
91177308-0d34-0410-b5e6-
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Rafael Espindola [Thu, 28 May 2015 15:20:00 +0000 (15:20 +0000)]
Don't create an unused _GLOBAL_OFFSET_TABLE_.
This was a bug for bug compatibility with gas that is completely unnecessary.
If a _GLOBAL_OFFSET_TABLE_ symbol is used, it will already be created by
the time we get to the ELF writer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238432
91177308-0d34-0410-b5e6-
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Renato Golin [Thu, 28 May 2015 15:05:18 +0000 (15:05 +0000)]
[ARMTargetParser] Adding sub-arch information for Clang. NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238429
91177308-0d34-0410-b5e6-
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Daniel Sanders [Thu, 28 May 2015 14:52:15 +0000 (14:52 +0000)]
[mips] Make TTypeEncoding indirect to allow .eh_frame to be read-only.
Summary:
Following on from r209907 which made personality encodings indirect, do the
same for TType encodings. This fixes the case where a try/catch block needs
to generate references to, for example, std::exception in the
.gcc_except_table.
Reviewers: petarj
Reviewed By: petarj
Subscribers: srhines, joerg, tberghammer, llvm-commits
Differential Revision: http://reviews.llvm.org/D9669
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238427
91177308-0d34-0410-b5e6-
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Petar Jovanovic [Thu, 28 May 2015 13:48:41 +0000 (13:48 +0000)]
[Mips64] Add support for MCJIT for MIPS64r2 and MIPS64r6
Add support for resolving MIPS64r2 and MIPS64r6 relocations in MCJIT.
Patch by Vladimir Radosavljevic.
Differential Revision: http://reviews.llvm.org/D9667
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238424
91177308-0d34-0410-b5e6-
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Aaron Ballman [Thu, 28 May 2015 12:55:59 +0000 (12:55 +0000)]
Silencing two signed/unsigned mismatch warnings; NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238419
91177308-0d34-0410-b5e6-
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Benjamin Kramer [Thu, 28 May 2015 12:55:43 +0000 (12:55 +0000)]
[AsmPrinter] Destroy allocated DIEAbbrevs on teardown.
DIEAbbrev contains a SmallVector that can leak for overly large abbrevs. They
used to be owned by the DIE, but after the recent refactoring DWARFFile
allocates its own abbrevs.
Leak found by asan.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238418
91177308-0d34-0410-b5e6-
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Renato Golin [Thu, 28 May 2015 12:10:37 +0000 (12:10 +0000)]
[ARMTargetParser] Adding a few more CPUs for Clang CPU detection. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238415
91177308-0d34-0410-b5e6-
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Benjamin Kramer [Thu, 28 May 2015 11:45:32 +0000 (11:45 +0000)]
[MC] Replace custom string join function with the one from StringExtras.
NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238414
91177308-0d34-0410-b5e6-
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Benjamin Kramer [Thu, 28 May 2015 11:24:24 +0000 (11:24 +0000)]
Don't call utostr in Twine/raw_ostream contexts.
Creating temporary std::strings there is unnecessary.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238412
91177308-0d34-0410-b5e6-
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Renato Golin [Thu, 28 May 2015 08:59:03 +0000 (08:59 +0000)]
Fix comments in ARMTargetParser. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238404
91177308-0d34-0410-b5e6-
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Yury Gribov [Thu, 28 May 2015 08:03:28 +0000 (08:03 +0000)]
[ASan] Fix previous commit. Patch by Max Ostapenko!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238403
91177308-0d34-0410-b5e6-
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Yury Gribov [Thu, 28 May 2015 07:51:49 +0000 (07:51 +0000)]
[ASan] New approach to dynamic allocas unpoisoning. Patch by Max Ostapenko!
Differential Revision: http://reviews.llvm.org/D7098
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238402
91177308-0d34-0410-b5e6-
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Craig Topper [Thu, 28 May 2015 06:38:32 +0000 (06:38 +0000)]
[TableGen] Use DefInit::getAsString instead of getDef()->getName(). NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238399
91177308-0d34-0410-b5e6-
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Craig Topper [Thu, 28 May 2015 06:38:28 +0000 (06:38 +0000)]
[TableGen] Don't convert types to strings to query what they are. Just use 'isa'
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238398
91177308-0d34-0410-b5e6-
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David Majnemer [Thu, 28 May 2015 06:16:39 +0000 (06:16 +0000)]
[Reassociate] Canonicalizing 'x [+-] (-Constant * y)' isn't always a win
Canonicalizing 'x [+-] (-Constant * y)' is not a win if we don't *know*
we will open up CSE opportunities.
If the multiply was 'nsw', then negating 'y' requires us to clear the
'nsw' flag. If this is actually worth pursuing, it is probably more
appropriate to do so in GVN or EarlyCSE.
This fixes PR23675.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238397
91177308-0d34-0410-b5e6-
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Jingyue Wu [Thu, 28 May 2015 04:56:52 +0000 (04:56 +0000)]
[NaryReassociate] Run EarlyCSE after NaryReassociate
Summary:
This patch made two improvements to NaryReassociate and the NVPTX pipeline
1. Run EarlyCSE/GVN after NaryReassociate to get rid of redundant common
expressions.
2. When adding an instruction to SeenExprs, maps both the SCEV before and after
reassociation to that instruction.
Test Plan: updated @reassociate_gep_nsw in nary-gep.ll
Reviewers: meheff, broune
Reviewed By: broune
Subscribers: dberlin, jholewinski, llvm-commits
Differential Revision: http://reviews.llvm.org/D9947
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238396
91177308-0d34-0410-b5e6-
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Chandler Carruth [Thu, 28 May 2015 02:40:15 +0000 (02:40 +0000)]
[x86] Refactor the tests for popcnt.
Extracted from the D6531 patch by Bruno Cardoso Lopes, and re-generated
to reflect the current state of the world. This should let Bruno's D6531
actually show the delta between the approaches by running the x86 test
case update script after re-building.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238391
91177308-0d34-0410-b5e6-
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Chandler Carruth [Thu, 28 May 2015 02:17:15 +0000 (02:17 +0000)]
[omp] Actually provide a default OpenMP runtime -- libgomp for now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238390
91177308-0d34-0410-b5e6-
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Chandler Carruth [Thu, 28 May 2015 01:47:22 +0000 (01:47 +0000)]
[omp] Add a configuration variable for the default OpenMP runtime.
This will be used in my next commit to Clang.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238388
91177308-0d34-0410-b5e6-
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Duncan P. N. Exon Smith [Wed, 27 May 2015 23:02:36 +0000 (23:02 +0000)]
AsmPrinter: Avoid a warning in NDEBUG, NFC
Should fix the -Werror release build:
http://lab.llvm.org:8011/builders/lld-x86_64-darwin13/builds/11113
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238375
91177308-0d34-0410-b5e6-
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Duncan P. N. Exon Smith [Wed, 27 May 2015 22:59:03 +0000 (22:59 +0000)]
AsmPrinter: Return added DIE from DIE::addChild()
Change `DIE::addChild()` to return a reference to the just-added node,
and update consumers to use it directly. An upcoming commit will
abstract away (and eventually change) the underlying storage of
`DIE::Children`.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238372
91177308-0d34-0410-b5e6-
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Fiona Glaser [Wed, 27 May 2015 22:51:47 +0000 (22:51 +0000)]
RegisterPressure: fix debug prints in case of physical registers
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238371
91177308-0d34-0410-b5e6-
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Duncan P. N. Exon Smith [Wed, 27 May 2015 22:44:06 +0000 (22:44 +0000)]
AsmPrinter: Stop exposing underlying DIEValue list, NFC
Change the `DIE` API to hide the implementation of the list of
`DIEValue`s.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238369
91177308-0d34-0410-b5e6-
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Duncan P. N. Exon Smith [Wed, 27 May 2015 22:36:37 +0000 (22:36 +0000)]
AsmPrinter: Remove DIEHash::AttrEntry, NFC
Remove "the most boring struct ever" (thanks to review by Eric).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238366
91177308-0d34-0410-b5e6-
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Duncan P. N. Exon Smith [Wed, 27 May 2015 22:31:41 +0000 (22:31 +0000)]
AsmPrinter: Store abbreviation data directly in DIE and DIEValue
Stop storing a `DIEAbbrev` in `DIE`, since the data fits neatly inside
the `DIEValue` list. Besides being a cleaner data structure (avoiding
the parallel arrays), this gives us more freedom to rearrange the
`DIEValue` list.
This fixes the temporary memory regression from 845 MB up to 879 MB, and
drops it further to 829 MB for a net memory decrease of around 1.9%
(incremental decrease around 5.7%).
(I'm looking at `llc` memory usage on `verify-uselistorder.lto.opt.bc`;
see r236629 for details.)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238364
91177308-0d34-0410-b5e6-
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Duncan P. N. Exon Smith [Wed, 27 May 2015 22:14:58 +0000 (22:14 +0000)]
Reapply "AsmPrinter: Change DIEValue to be stored by value"
This reverts commit r238350, effectively reapplying r238349 after fixing
(all?) the problems, all somehow related to how I was using
`AlignedArrayCharUnion<>` inside `DIEValue`:
- MSVC can only handle `sizeof()` on types, not values. Change the
assert.
- GCC doesn't know the `is_trivially_copyable` type trait. Instead of
asserting it, add destructors.
- Call placement new even when constructing POD (i.e., the pointers).
- Instead of copying the char buffer, copy the casted classes.
I've left in a couple of `static_assert`s that I think both MSVC and GCC
know how to handle. If the bots disagree with me, I'll remove them.
- Check that the constructed type is either standard layout or a
pointer. This protects against a programming error: we really want
the "small" `DIEValue`s to be small and simple, so don't
accidentally change them not to be.
- Similarly, check that the size of the buffer is no bigger than a
`uint64_t` or a pointer. (I thought checking against
`sizeof(uint64_t)` would be good enough, but Chandler suggested that
pointers might sometimes be bigger than that in the context of
sanitizers.)
I've also committed r238359 in the meantime, which introduces a
DIEValue.def to simplify dispatching between the various types (thanks
to a review comment by David Blaikie). Without that, this commit would
be almost unintelligible.
Here's the original commit message:
--
Change `DIEValue` to be stored/passed/etc. by value, instead of
reference. It's now a discriminated union, with a `Val` field storing
the actual type. The classes that used to inherit from `DIEValue` no
longer do. There are two categories of these:
- Small values fit in a single pointer and are stored by value.
- Large values require auxiliary storage, and are stored by reference.
The only non-mechanical change is to tools/dsymutil/DwarfLinker.cpp. It
was relying on `DIEInteger`s being passed around by reference, so I
replaced that assumption with a `PatchLocation` type that stores a safe
reference to where the `DIEInteger` lives instead.
This commit causes a temporary regression in memory usage, since I've
left merging `DIEAbbrevData` into `DIEValue` for a follow-up commit. I
measured an increase from 845 MB to 879 MB, around 3.9%. The follow-up
drops it lower than the starting point, and I've only recently brought
the memory this low anyway, so I'm committing these changes separately
to keep them incremental. (I also considered swapping the commits, but
the other one first would cause a lot more code churn.)
(I'm looking at `llc` memory usage on `verify-uselistorder.lto.opt.bc`;
see r236629 for details.)
--
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238362
91177308-0d34-0410-b5e6-
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Duncan P. N. Exon Smith [Wed, 27 May 2015 21:15:43 +0000 (21:15 +0000)]
AsmPrinter: Introduce DIEValue.def, NFC
Use a .def macro file to iterate through the various subclasses of
`DIEValue`.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238359
91177308-0d34-0410-b5e6-
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Rafael Espindola [Wed, 27 May 2015 21:04:14 +0000 (21:04 +0000)]
Rename and move getCurrentSectionData.
I think this concludes the merge of MCSectionData and MCSection.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238358
91177308-0d34-0410-b5e6-
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Rafael Espindola [Wed, 27 May 2015 20:52:32 +0000 (20:52 +0000)]
There is only one current section.
Both MCStreamer and MCObjectStreamer were maintaining a current section
variable and they were slightly out of sync. I don't think this was observable,
but was inefficient and error prone.
Changing this requires a few cascading changes:
* SwitchSection has to call ChangeSection earlier for ChangeSection to see
the old section.
* With that change, ChangeSection cannot call EmitLabel, since during
ChangeSection we are still in the old section.
* When the object streamer requires a begin label, just reused the existing
generic support for begin labels instead of calling EmitLabel directly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238357
91177308-0d34-0410-b5e6-
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Lang Hames [Wed, 27 May 2015 20:50:01 +0000 (20:50 +0000)]
[RuntimeDyld] Fix MachO i386 SECTDIFF relocation to support non-zero addends.
Previously, relocations of the form 'A - B + C' would fail on i386 when C was
non-zero.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238356
91177308-0d34-0410-b5e6-
96231b3b80d8
Renato Golin [Wed, 27 May 2015 19:49:53 +0000 (19:49 +0000)]
ARMTargetParser: Make BSD Thumb/BE armv6 work
Simple change to make arch like "thumbv6" and "armbev6" to return the
correct CPU for FreeBSD and NetBSD.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238353
91177308-0d34-0410-b5e6-
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Alex Lorenz [Wed, 27 May 2015 19:39:44 +0000 (19:39 +0000)]
MIR: Remove 2 empty non-reverted directories form SVN.
The revert commit r238007 didn't delete the old 'MIR' directories
in 'include/llvm/CodeGen' and 'lib/CodeGen'. Since the resubmitted
commit r238341 uses the 'MIRParser' directories instead of 'MIR'
this commit deletes the unused directories.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238352
91177308-0d34-0410-b5e6-
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Diego Novillo [Wed, 27 May 2015 19:34:01 +0000 (19:34 +0000)]
Final fix for PR 23499 and IR test case.
This fixes a bit I forgot in r238335. In addition to the data record and
the counter, we can also move the name of the counter to the comdat for
the associated function.
I'm also adding an IR test case to check that these three elements are
placed in the proper comdat.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238351
91177308-0d34-0410-b5e6-
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Duncan P. N. Exon Smith [Wed, 27 May 2015 19:30:27 +0000 (19:30 +0000)]
Revert "AsmPrinter: Change DIEValue to be stored by value"
This reverts commit r238349, since it caused some errors on bots:
- std::is_trivially_copyable isn't available until GCC 5.0.
- It was complaining about strict aliasing with my use of
ArrayCharUnion.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238350
91177308-0d34-0410-b5e6-
96231b3b80d8
Duncan P. N. Exon Smith [Wed, 27 May 2015 19:22:50 +0000 (19:22 +0000)]
AsmPrinter: Change DIEValue to be stored by value
Change `DIEValue` to be stored/passed/etc. by value, instead of
reference. It's now a discriminated union, with a `Val` field storing
the actual type. The classes that used to inherit from `DIEValue` no
longer do. There are two categories of these:
- Small values fit in a single pointer and are stored by value.
- Large values require auxiliary storage, and are stored by reference.
The only non-mechanical change is to tools/dsymutil/DwarfLinker.cpp. It
was relying on `DIEInteger`s being passed around by reference, so I
replaced that assumption with a `PatchLocation` type that stores a safe
reference to where the `DIEInteger` lives instead.
This commit causes a temporary regression in memory usage, since I've
left merging `DIEAbbrevData` into `DIEValue` for a follow-up commit. I
measured an increase from 845 MB to 879 MB, around 3.9%. The follow-up
drops it lower than the starting point, and I've only recently brought
the memory this low anyway, so I'm committing these changes separately
to keep them incremental. (I also considered swapping the commits, but
the other one first would cause a lot more code churn.)
(I'm looking at `llc` memory usage on `verify-uselistorder.lto.opt.bc`;
see r236629 for details.)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238349
91177308-0d34-0410-b5e6-
96231b3b80d8