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2013-01-21Introduce a generic interface for querying an operation's expectedChandler Carruth
lowered cost. Currently, this is a direct port of the logic implementing isInstructionFree in CodeMetrics. The hope is that the interface can be improved (f.ex. supporting un-formed instruction queries) and the implementation abstracted so that as we have test cases and target knowledge we can expose increasingly accurate heuristics to clients. I'll start switching existing consumers over and kill off the routine in CodeMetrics in subsequent commits. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172998 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-20Convert more EVT's to MVT's in the lowering methods.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172995 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-20Capitalize lowerTRUNCATE so that it matches the other lower functions in ↵Craig Topper
this file despite it not matching coding standards. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172994 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-20Revert CostTable algorithm, will re-writeRenato Golin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172992 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-20LoopVectorize: Fix a C++11 incompatibility.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172990 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-20Add instruction encodings / disassembly support for l2rus instructions.Richard Osborne
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172987 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-20Add instruction encodings / disassembly support for l3r instructions.Richard Osborne
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172986 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-20Add instruction encodings / disassembler support for 2rus instructions.Richard Osborne
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172985 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-20Add instruction encodings / disassembly support 3r instructions.Richard Osborne
It is not possible to distinguish 3r instructions from 2r / rus instructions using only the fixed bits. Therefore if an instruction doesn't match the 2r / rus format try to decode it as a 3r instruction before returning Fail. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172984 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-20Fix a build error.Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172971 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-20Make LowerVSETCC a static function and use MVT instead of EVT.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172969 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-20Revert 172708.Nadav Rotem
The optimization handles esoteric cases but adds a lot of complexity both to the X86 backend and to other backends. This optimization disables an important canonicalization of chains of SEXT nodes and makes SEXT and ZEXT asymmetrical. Disabling the canonicalization of consecutive SEXT nodes into a single node disables other DAG optimizations that assume that there is only one SEXT node. The AVX mask optimizations is one example. Additionally this optimization does not update the cost model. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172968 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-20LoopVectorizer: Implement a new heuristics for selecting the unroll factor.Nadav Rotem
We ignore the cpu frontend and focus on pipeline utilization. We do this because we don't have a good way to estimate the loop body size at the IR level. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172964 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-20trivial micro-optimization: lazily call the virtual method instead of ↵Chris Lattner
eagerly calling it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172953 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-20convert the bitstream reader itself and the IR .bc file parser to use the ↵Chris Lattner
new advance() APIs, simplifying things and making a bunch of details more private to BitstreamCursor. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172947 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-20The last of PR14471 - emission of constant floatsDavid Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172941 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-20stringref'ize readRecord and properly capitalize it. Add a compatibility ↵Chris Lattner
method to easy the transition. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172940 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-20Make some helper methods static.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172936 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-20Remove DebugLoc argument from static function. It can easily be obtained ↵Craig Topper
from the SVOp passed in. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172935 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-20Use MVT instead of EVT in more instruction lowering code.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172933 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-20move some private methods out of line, add a skipRecord() method.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172931 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-19Use MVT instead of EVT in more of the shuffle lowering code.Craig Topper
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172930 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-19Capitalize LowerVectorIntExtend to be consistent with all the other lower ↵Craig Topper
functions in this file. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172927 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-19Fix a latent bug exposed by recent static member debug info changes.David Blaikie
We weren't encoding boolean constants correctly due to modeling boolean as a signed type & then sign extending an i1 up to a byte & getting 255. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172926 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-19Add a new BitstreamEntry concept, and add two helper methods for walkingChris Lattner
through a BitstreamCursor that produce it: advance() and advanceSkippingSubblocks(), representing the two most common ways clients want to walk through bitcode. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172919 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-19BitstreamReader hasn't aged well. It's been hacked on by various people andChris Lattner
has past the point of making sense. Lets tidy things up: first step, moving a ton of big functions out of line. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172904 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-19LoopVectorizer: Emit memory checks into their own basic block.Benjamin Kramer
This separates the check for "too few elements to run the vector loop" from the "memory overlap" check, giving a lot nicer code and allowing to skip the memory checks when we're not going to execute the vector code anyways. We still leave the decision of whether to emit the memory checks as branches or setccs, but it seems to be doing a good job. If ugly code pops up we may want to emit them as separate blocks too. Small speedup on MultiSource/Benchmarks/MallocBench/espresso. Most of this is legwork to allow multiple bypass blocks while updating PHIs, dominators and loop info. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172902 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-19On Sandybridge split unaligned 256bit stores into two xmm-sized stores. Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172894 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-19Use MVT instead of EVT when computing shuffle immediates since they can only ↵Craig Topper
be for legal types. Keeps compiler from generating unneeded checks and handling for extended types. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172893 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-19Sort all of the includes. Several files got checked in with mis-sortedChandler Carruth
includes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172891 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-19This is a resubmittal. For some reason it broke the bots yesterdayJack Carter
but I cannot reproduce the problem and have scrubed my sources and even tested with llvm-lit -v --vg. Formatting fixes. Mostly long lines and blank spaces at end of lines. Contributer: Jack Carter git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172882 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-19Fix 80-col and early exit in cost modelRenato Golin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172877 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-18On Sandybridge loading unaligned 256bits using two XMM loads (vmovups and ↵Nadav Rotem
vinsertf128) is faster than using a single vmovups instruction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172868 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-18Use hexDigitValue in LLLexer.Jordan Rose
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172866 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-18Improved comment.Michael Gottesman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172864 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-18Fixed typo in comment.Michael Gottesman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172863 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-18Split out DW_OP_addr for the split debug info DWARF5 proposal.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172857 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-18If the attributes don't exist, just bail for now.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172854 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-18Use AttributeSet accessor methods instead of Attribute accessor methods.Bill Wendling
Further encapsulation of the Attribute object. Don't allow direct access to the Attribute object as an aggregate. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172853 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-18Remove unused parameter. Also use the AttributeSet query methods instead of ↵Bill Wendling
the Attribute query methods. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172852 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-18Add llvm::hexDigitValue to convert single characters to hex.Jordan Rose
This is duplicated in a couple places in the codebase. Adopt this in APFloat. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172851 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-18This is a resubmittal. For some reason it broke the bots yesterdayJack Carter
but I cannot reproduce the problem and have scrubed my sources and even tested with llvm-lit -v --vg. Support for Mips register information sections. Mips ELF object files have a section that is dedicated to register use info. Some of this information such as the assumed Global Pointer value is used by the linker in relocation resolution. The register info file is .reginfo in o32 and .MIPS.options in 64 and n32 abi files. This patch contains the changes needed to create the sections, but leaves the actual register accounting for a future patch. Contributer: Jack Carter git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172847 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-18R600: Proper insert S_WAITCNT instructionsTom Stellard
Some instructions like memory reads/writes are executed asynchronously, so we need to insert S_WAITCNT instructions to block before accessing their results. Previously we have just inserted S_WAITCNT instructions after each async instruction, this patch fixes this and adds a prober insertion pass. Patch by: Christian König Tested-by: Michel Dänzer <michel.daenzer@amd.com> Reviewed-by: Tom Stellard <thomas.stellard@amd.com> Signed-off-by: Christian König <deathsimple@vodafone.de> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172846 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-18R600: Optimize and cleanup KILL on SITom Stellard
We shouldn't insert KILL optimization if we don't have a kill instruction at all. Patch by: Christian König Tested-by: Michel Dänzer <michel.daenzer@amd.com> Reviewed-by: Tom Stellard <thomas.stellard@amd.com> Signed-off-by: Christian König <deathsimple@vodafone.de> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172845 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-18Push some more methods down to hide the use of the Attribute class.Bill Wendling
Because the Attribute class is going to stop representing a collection of attributes, limit the use of it as an aggregate in favor of using AttributeSet. This replaces some of the uses for querying the function attributes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172844 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-18This is a resubmittal. For some reason it broke the bots yesterdayJack Carter
but I cannot reproduce the problem and have scrubed my sources and even tested with llvm-lit -v --vg. Removal of redundant code and formatting fixes. Contributers: Jack Carter/Vladimir Medic git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172842 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-18Silence GCC warning about dropping off a non-void function.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172839 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-18[Linker] Kill Linker::LoadObject which is dead, and drop the BitReader ↵Daniel Dunbar
dependency again. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172838 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-18[MC/Mach-O] Implement integrated assembler support for linker options.Daniel Dunbar
- Also, fixup syntax errors in LangRef and missing newline in the MCAsmStreamer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172837 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-18The IR linker still depends on the bitcode reader.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172824 91177308-0d34-0410-b5e6-96231b3b80d8
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