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2013-03-01[mips] Do not add SecondLastInst to list BranchInstrs if there is only oneAkira Hatanaka
terminator. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176326 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-01[mips] Define an overloaded version of function MipsInstrInfo::AnalyzeBranchAdd.Akira Hatanaka
This function will be used later when the capability to search delay slot filling instructions in successor blocks is added. No intended functionality changes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176325 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-01[mips] Add options to disable searching backward and in successor blocks.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176321 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-01[mips] Add capability to search in the forward direction for instructions thatAkira Hatanaka
can fill the delay slot. Currently, this is off by default. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176320 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-01[mips] Define helper function searchRangeAkira Hatanaka
No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176318 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-01[mips] Rename function findDelayInstr to searchBackward.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176317 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-01Scheduler diagnostics. Print the register name.Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176316 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-01Fix incorrect ScheduleDAG comment and formalize Weak edges.Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176315 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-01Instructions schedulers should report correct height/depth.Andrew Trick
We avoided computing DAG height/depth during Node printing because it shouldn't depend on an otherwise valid DAG. But this has become far too annoying for the common case of a valid DAG where we want to see valid values. If doing the computation on-the-fly turns out to be a problem in practice, then I'll add a mode to the diagnostics to only force it when we're likely to have a valid DAG, otherwise explicitly print INVALID instead of bogus numbers. For now, just go for it all the time. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176314 91177308-0d34-0410-b5e6-96231b3b80d8
2013-03-01[mips] Define class MemDefsUses.Akira Hatanaka
This class tracks dependence between memory instructions using underlying objects of memory operands. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176313 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28Connect LLVM CMake build scripts to LLDB's CMake scripts:Daniel Malea
- if you have LLDB checked out in $llvm/tools, CMake will build it now! - LLDB is known to build on Linux with libstdc++ and GCC 4.6/4.7 or Clang 3.3 - to run lldb tests, do "make check-lldb" after a build git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176307 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28A small refactoring + adding comments.Eli Bendersky
SelectionDAGIsel::LowerArguments needs a function, not a basic block. So it makes sense to pass it the function instead of extracting a basic-block from the function and then tossing it. This is also more self-documenting (functions have arguments, BBs don't). In addition, added comments to a couple of Select* methods. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176305 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28Don't add the 'Value' string if there isn't one.Bill Wendling
This was causing the folding set to fail to fold attributes, because it was being calculated in one spot without an empty values string but here with an empty values string. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176301 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28Fix a bug in instcombine for fmul in fast math mode.Quentin Colombet
The instcombine recognized pattern looks like: a = b * c d = a +/- Cst or a = b * c d = Cst +/- a When creating the new operands for fadd or fsub instruction following the related fmul, the first operand was created with the second original operand (M0 was created with C1) and the second with the first (M1 with Opnd0). The fix consists in creating the new operands with the appropriate original operand, i.e., M0 with Opnd0 and M1 with C1. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176300 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28Move an assert earlier in a file and check that the result ofEric Christopher
our bitwise compare is equal to the field we're looking for. Noticed on inspection. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176296 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28Brag about function call vectorization in the docs.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176292 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28Don't add an attribute that already exists and don't remove an attribute ↵Bill Wendling
that doesn't exist. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176289 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28Tidy up; no functional change.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176288 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28Cost model support for lowered math builtins.Benjamin Kramer
We make the cost for calling libm functions extremely high as emitting the calls is expensive and causes spills (on x86) so performance suffers. We still vectorize important calls like ceilf and friends on SSE4.1. and fabs. Differential Revision: http://llvm-reviews.chandlerc.com/D466 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176287 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28Style; no functional change.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176285 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28Put some per-instruction statistics of fast isel under NDEBUG, together withEli Bendersky
other per-instruction statistics. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176273 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28Re-format comments (and check commit access)Yiannis Tsiouris
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176270 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28AArch64: remove post-encoder method from FCMP (immediate) instructions.Tim Northover
The work done by the post-encoder (setting architecturally unused bits to 0 as required) can be done by the existing operand that covers the "#0.0". This removes at least one use of the discouraged PostEncoderMethod uses. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176261 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28AArch64: be more careful resorting to inefficient addressing for weak vars.Tim Northover
If an otherwise weak var is actually defined in this unit, it can't be undefined at runtime so we can use normal global variable sequences (ADRP/ADD) to access it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176259 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28AArch64: don't drop GlobalAddress offset when handling extern_weak decls.Tim Northover
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176258 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28Add the -disable-opt option to LTO. This adds:Bill Wendling
- Consistency with opt (which supports the same option with the same meaning and description). - Debugging gold plugin-based linking without optimizations getting in the way. - Debugging programs linked with the gold plugin while preserving the original debug info. - Fine-grained control over LTO passes using the gold plugin in combination with opt (or clang/dragonegg). Patch by Cristiano Giuffrida! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176257 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28AArch64: Use cbnz instead of cmp/b.ne pair for atomic operations.Tim Northover
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176253 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28[msan] Implement sanitize_memory attribute.Evgeniy Stepanov
Shadow checks are disabled and memory loads always produce fully initialized values in functions that don't have a sanitize_memory attribute. Value and argument shadow is propagated as usual. This change also updates blacklist behaviour to match the above. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176247 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28Corrections for XFAIL armv5 testsRenato Golin
Most of the tests that behave differently on llvm-arm-linux buildbot did so becase the triple wasn't set correctly to armv5, so we can revert most of the special behaviour added previously. Some tests still need the special treatment, though. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176243 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28Remove unused leftover declarations.Evgeniy Stepanov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176240 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28Enable syntax highlighting for reStructuredText files.Bill Wendling
Patch by Journeyer J. Joh! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176235 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28[Support][ErrorOr] Add support for implicit conversion from error ↵Michael J. Spencer
code/condition enums. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176228 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28[PathV2] In llvm::sys::fs::unique_file, make sure it doesn't fall into an ↵Argyrios Kyrtzidis
infinite loop by constantly trying to create the parent path. This can happen if the path is a relative filename and the current directory was removed. Thanks to Daniel D. for the hint in fixing it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176226 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-28Fix a problem in alias analysis. It is about the misinterpretation of "Object".Shuxin Yang
This problem is exposed by r171325 which is already reverted. It is rather hard to fabricate a testing case without it. r171325 should *NOT* be resurrected as it has a potential problem although this problem dosen't directly contribute to PR14988. The bug is tracked by: - rdar://13063553, and - http://llvm.org/bugs/show_bug.cgi?id=14988 Thank Arnold for coming up a better solution to this problem. After comparing this solution and my original proposal, I decided to ditch mine. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176225 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27Remove unnecessary check against isGlobalVariable. We check itEric Christopher
a few lines above. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176224 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27Rework comment slightly and fix a few typos.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176223 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27Remove unnecessary cast to void.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176222 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27Debug Info: for static member variables, always put AT_MIPS_linkage_name to theManman Ren
definition DIE (TAG_variable), and put AT_MIPS_linkage_name to TAG_member when DarwinGDBCompat is true. Darwin GDB needs AT_MIPS_linkage_name at both places to work. Follow-up patch to r176143. rdar://problem/13291234 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176220 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27Silence the unused variable warning. Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176218 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27The FastISEL should be fast. But when we record statistics we use atomic ↵Nadav Rotem
operations to increment the counters. This patch disables the counters on non-debug builds. This reduces the runtime of SelectionDAGISel::SelectCodeCommon by ~5%. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176214 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27Copy missing member in DataLayout copy ctor.David Blaikie
Test case is missing due to it not being reachable through the current tools but out of tree code such as the sample at http://llvm.org/docs/tutorial/LangImpl4.html Patch by Peng Cheng <gm4cheng@gmail.com> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176213 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27ARM: FMA is legal only if VFP4 is available.Jim Grosbach
rdar://13306723 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176212 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27Remove this instance of dl as it's defined in a previous scope.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176208 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27Reverted: r176136 - Have a way for a target to opt-out of target-independent ↵Michael Ilseman
fast isel git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176204 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27[docs] Discuss manpage output.Sean Silva
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176199 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27Switching -1ULL to UINT64_MAX to fix MSVC warnings. Patch thanks to Peng Cheng!Aaron Ballman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176197 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27[docs] Provide pointer for building Sphinx docs.Sean Silva
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176195 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27Suppressing MSVC warnings; patch thanks to Peng Cheng!Aaron Ballman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176193 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27print TLS segmentShankar Easwaran
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176192 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-27ARM: permit full range of valid ADR immediates.Tim Northover
This fixes an issue where trying to assemlbe valid ADR instructions would cause LLVM to hit a failed assertion. Patch by Keith Walker. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176189 91177308-0d34-0410-b5e6-96231b3b80d8
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