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* Optimization for the following SIGN_EXTEND pairs:Elena Demikhovsky2013-01-175-10/+119
| | | | | | | | | | | | v8i8 -> v8i64, v8i8 -> v8i32, v4i8 -> v4i64, v4i16 -> v4i64 for AVX and AVX2. Bug 14865. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172708 91177308-0d34-0410-b5e6-96231b3b80d8
* Combine AVX and SSE forms of MOVSS and MOVSD into the same multiclasses so ↵Craig Topper2013-01-171-74/+50
| | | | | | they get instantiated together. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172704 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix the assembly and dissassembly of DW_FORM_sec_offset. Found this byEric Christopher2013-01-175-26/+24
| | | | | | | | | changing both the string of the dwo_name to be correct and the type of the statement list. Testcases all around. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172699 91177308-0d34-0410-b5e6-96231b3b80d8
* Add the DW_AT_GNU_addr_base for the skeleton cu. Add support forEric Christopher2013-01-174-5/+10
| | | | | | | emitting the dwarf32 version of DW_FORM_sec_offset and correct disassembler support. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172698 91177308-0d34-0410-b5e6-96231b3b80d8
* Move MachineTraceMetrics.h into include/llvm/CodeGen.Jakob Stoklund Olesen2013-01-174-4/+3
| | | | | | Let targets use it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172688 91177308-0d34-0410-b5e6-96231b3b80d8
* Provide a place for targets to insert ILP optimization passes.Jakob Stoklund Olesen2013-01-173-10/+26
| | | | | | | | | | | | | | Move the early if-conversion pass into this group. ILP optimizations usually need to find the right balance between register pressure and ILP using the MachineTraceMetrics analysis to identify critical paths and estimate other costs. Such passes should run together so they can share dominator tree and loop info analyses. Besides if-conversion, future passes to run here here could include expression height reduction and ARM's MLxExpansion pass. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172687 91177308-0d34-0410-b5e6-96231b3b80d8
* This is a resubmittal. For some reason it broke the bots yesterdayJack Carter2013-01-177-2/+47
| | | | | | | | | | | | | | | but I cannot reproduce the problem and have scrubed my sources and even tested with llvm-lit -v --vg. The Mips RDHWR (Read Hardware Register) instruction was not tested for assembler or dissassembler consumption. This patch adds that functionality. Contributer: Vladimir Medic git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172685 91177308-0d34-0410-b5e6-96231b3b80d8
* [IR] Reserve/define the purpose for the "Linker Options" metadata flags.Daniel Dunbar2013-01-171-0/+34
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172681 91177308-0d34-0410-b5e6-96231b3b80d8
* Update the description of the llvm.fmuladd.* intrinsics to avoid use of theLang Hames2013-01-171-2/+4
| | | | | | | | | ambiguous term 'legal'. Suggested by Andrew Booker. Thanks Andrew! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172680 91177308-0d34-0410-b5e6-96231b3b80d8
* Documentation: fix a typo 'IEE754'Dmitri Gribenko2013-01-161-1/+1
| | | | | | | Reported on IRC by _savage git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172677 91177308-0d34-0410-b5e6-96231b3b80d8
* Wrapping __popcnt64 for MSVC so that it's only used on 64-bit builds.Aaron Ballman2013-01-161-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172670 91177308-0d34-0410-b5e6-96231b3b80d8
* [IR] Add 'Append' and 'AppendUnique' module flag behaviors.Daniel Dunbar2013-01-167-38/+134
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172659 91177308-0d34-0410-b5e6-96231b3b80d8
* Change CostTable model to be global to all targetsRenato Golin2013-01-163-102/+160
| | | | | | | | Moving the X86CostTable to a common place, so that other back-ends can share the code. Also simplifying it a bit and commoning up tables with one and two types on operations. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172658 91177308-0d34-0410-b5e6-96231b3b80d8
* Added test for r172599 which fixes bugzilla://14584,rdar://11744105.Michael Gottesman2013-01-161-0/+168
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172656 91177308-0d34-0410-b5e6-96231b3b80d8
* [Support] Include the intrisics header and check for definition properly.Michael J. Spencer2013-01-161-2/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172655 91177308-0d34-0410-b5e6-96231b3b80d8
* Make this test X86 only.Eric Christopher2013-01-161-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172652 91177308-0d34-0410-b5e6-96231b3b80d8
* Move this to X86.Eric Christopher2013-01-161-0/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172651 91177308-0d34-0410-b5e6-96231b3b80d8
* Add testcase missed yesterday from Paul Robinson.Eric Christopher2013-01-161-0/+172
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172646 91177308-0d34-0410-b5e6-96231b3b80d8
* [Support] Add MSVC intrinsic for CountPopulation.Michael J. Spencer2013-01-161-0/+4
| | | | | | Patch by Jakub Staszak. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172645 91177308-0d34-0410-b5e6-96231b3b80d8
* [Support] Update MSVC compiler support in Compiler.h.Michael J. Spencer2013-01-161-2/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172644 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unneeded include and empty lineEli Bendersky2013-01-161-2/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172642 91177308-0d34-0410-b5e6-96231b3b80d8
* Some small (and mostly cosmetic) fixes.Eli Bendersky2013-01-161-22/+17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172640 91177308-0d34-0410-b5e6-96231b3b80d8
* Clean up some unnecessary headers and forward declarationsEli Bendersky2013-01-161-3/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172638 91177308-0d34-0410-b5e6-96231b3b80d8
* Now that GenericAsmParser was folded into AsmParser, some methods and types canEli Bendersky2013-01-162-71/+57
| | | | | | | | return into the safe harbor of AsmParser's private areas. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172637 91177308-0d34-0410-b5e6-96231b3b80d8
* [Linker] Change module flag linking to be more extensible.Daniel Dunbar2013-01-165-139/+118
| | | | | | | | | | - Instead of computing a bunch of buckets of different flag types, just do an incremental link resolving conflicts as they arise. - This also has the advantage of making the link result deterministic and not dependent on map iteration order. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172634 91177308-0d34-0410-b5e6-96231b3b80d8
* We want the dwarf AT_producer for assembly source files to match clang'sKevin Enderby2013-01-164-3/+35
| | | | | | | | | | | | | | | | AT_producer. Which includes clang's version information so we can tell which version of the compiler was used. This is the first of two steps to allow us to do that. This is the llvm-mc change to provide a method to set the AT_producer string. The second step, coming soon to a clang near you, will have the clang driver pass the value of getClangFullVersion() via an flag when invoking the integrated assembler on assembly source files. rdar://12955296 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172630 91177308-0d34-0410-b5e6-96231b3b80d8
* Introduce llvm::sys::getProcessTriple() function.Peter Collingbourne2013-01-1668-81/+95
| | | | | | | | | | | | | | | | | | | | | | | | | | | In r143502, we renamed getHostTriple() to getDefaultTargetTriple() as part of work to allow the user to supply a different default target triple at configure time. This change also affected the JIT. However, it is inappropriate to use the default target triple in the JIT in most circumstances because this will not necessarily match the current architecture used by the process, leading to illegal instruction and other such errors at run time. Introduce the getProcessTriple() function for use in the JIT and its clients, and cause the JIT to use it. On architectures with a single bitness, the host and process triples are identical. On other architectures, the host triple represents the architecture of the host CPU, while the process triple represents the architecture used by the host CPU to interpret machine code within the current process. For example, when executing 32-bit code on a 64-bit Linux machine, the host triple may be 'x86_64-unknown-linux-gnu', while the process triple may be 'i386-unknown-linux-gnu'. This fixes JIT for the 32-on-64-bit (and vice versa) build on non-Apple platforms. Differential Revision: http://llvm-reviews.chandlerc.com/D254 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172627 91177308-0d34-0410-b5e6-96231b3b80d8
* Replace virtual hasFixups with explicit fragment type checksEli Bendersky2013-01-161-9/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172622 91177308-0d34-0410-b5e6-96231b3b80d8
* Allow vectors in CreatePointerCast of constants.Evgeniy Stepanov2013-01-162-3/+34
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172615 91177308-0d34-0410-b5e6-96231b3b80d8
* A test for r172535.Evgeniy Stepanov2013-01-161-0/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172614 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unused leftover header (it moved to llvm/IR).Benjamin Kramer2013-01-161-399/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172612 91177308-0d34-0410-b5e6-96231b3b80d8
* Move test that depends on the x86 target into a target-specific directory.Benjamin Kramer2013-01-161-0/+0
| | | | | | Should fix the arm buildbot (which only builds the arm target). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172611 91177308-0d34-0410-b5e6-96231b3b80d8
* ASan: wrap mapping scale and offset in a struct and make it a member of ASan ↵Alexey Samsonov2013-01-162-51/+119
| | | | | | passes. Add test for non-default mapping scale and offset. No functionality change git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172610 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove triple from this test, it makes it fail when X86 TTI is missing.Benjamin Kramer2013-01-161-4/+1
| | | | | | Without a triple opt falls back to NoTTI which comes closer to LSR's pre-TTI behavior. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172609 91177308-0d34-0410-b5e6-96231b3b80d8
* [ObjCARC] Turn off ignoring unwind edges in ObjCARC when ↵Michael Gottesman2013-01-161-33/+0
| | | | | | | | | | | | | -fno-objc-arc-exception is enabled due to it's affect on correctness. Specifically according to the semantics of ARC -fno-objc-arc-exception simply states that it is expected that the unwind path out of a call *MAY* not release objects. Thus we can have the situation where a release gets moved into a catch block which we ignore when we remove a retain/release pair resulting in (even though we assume the program is exiting anyways) the cleanup code path potentially blowing up before program exit. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172599 91177308-0d34-0410-b5e6-96231b3b80d8
* reverting 172579Jack Carter2013-01-167-44/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172594 91177308-0d34-0410-b5e6-96231b3b80d8
* Define metadata interfaces for describing a static data memberEric Christopher2013-01-166-49/+162
| | | | | | | | | | | of a class. Emit static data member declarations and definitions through correctly. Part of PR14471. Patch by Paul Robinson! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172590 91177308-0d34-0410-b5e6-96231b3b80d8
* Use the ExtensionDirectiveHandler type in other places where it makes sense.Eli Bendersky2013-01-165-18/+20
| | | | | | | | | Since we already have this type it's a shame to keep dragging a pair of object and method around explicitly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172584 91177308-0d34-0410-b5e6-96231b3b80d8
* Use --enable-werrorDavid Greene2013-01-161-3/+3
| | | | | | | Use --enable-werror during configure time rather than --with-extra-options. This is cleaner and easier to read. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172581 91177308-0d34-0410-b5e6-96231b3b80d8
* Improve r172577 by using the correct type when declaring constantsDmitri Gribenko2013-01-161-9/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172580 91177308-0d34-0410-b5e6-96231b3b80d8
* Akira,Jack Carter2013-01-167-2/+44
| | | | | | | | | | | | | | Hope you are feeling better. The Mips RDHWR (Read Hardware Register) instruction was not tested for assembler or dissassembler consumption. This patch adds that functionality. Contributer: Vladimir Medic git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172579 91177308-0d34-0410-b5e6-96231b3b80d8
* Split address information for DWARF5 split dwarf proposal. This involvesEric Christopher2013-01-1513-28/+204
| | | | | | | | | | | | | | | using the DW_FORM_GNU_addr_index and a separate .debug_addr section which stays in the executable and is fully linked. Sneak in two other small changes: a) Print out the debug_str_offsets.dwo section. b) Change form we're expecting the entries in the debug_str_offsets.dwo section to take from ULEB128 to U32. Add tests for all of this in the fission-cu.ll test. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172578 91177308-0d34-0410-b5e6-96231b3b80d8
* Avoid Enum Compare WarningsDavid Greene2013-01-151-2/+4
| | | | | | | Avoid a compiler warning about comparing disjoint enums but casting them to int first. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172577 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach InstCombine to optimize extract of a value from a vector add operation ↵Nadav Rotem2013-01-152-0/+19
| | | | | | with a constant zero. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172576 91177308-0d34-0410-b5e6-96231b3b80d8
* Optimize the memory usage of MC bundling, by creating a new type of fragmentEli Bendersky2013-01-153-20/+135
| | | | | | | | | | | | | | | | | | | into which we can emit single instructions without fixups (which is most instructions). This is an optimization required because MCDataFragment is prety large (240 bytes on x64), with no change in functionality. For large programs, this reduces memory usage overhead required for bundling by 40%. To make the code as palatable as possible, the MCEncodedFragment interface was further fragmented (no pun intended) and MCEncodedFragmentWithFixups is used as the interface to work against when the user expects fixups. MCDataFragment and MCRelaxableFragment implement this interface, while the new MCCompactEncodedInstFragment implements MCEncodeFragment. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172572 91177308-0d34-0410-b5e6-96231b3b80d8
* [ms-inline asm] Address the FIXME in AsmParser.cpp.Chad Rosier2013-01-152-8/+10
| | | | | | | | | | // FIXME: Constraints are hard coded to 'm', but we need an 'r' // constraint for addressof. This needs to be cleaned up! Test cases are already in place. Specifically, clang/test/CodeGen/ms-inline-asm.c t15(), t16(), and t24(). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172569 91177308-0d34-0410-b5e6-96231b3b80d8
* Refactor generic Asm directive parsing.Eli Bendersky2013-01-151-790/+802
| | | | | | | | | | | | | | | | | | | | After discussing the refactoring with Jim and Daniel, the following changes were made: * All generic directive parsing is now done by AsmParser itself. The previous division between it and GenericAsmParser did not have clear boundaries and just produced unnatural code of GenericAsmParser juggling the internals of AsmParser through an interface. The division of responsibilities is now clear: target-specific directives, other extensions (used by platform-specific parseres), and generic directives. * Priority for directive parsing was reshuffled to ask extensions first and check the generic directives later. No change in functionality. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172568 91177308-0d34-0410-b5e6-96231b3b80d8
* [Object][ELF] Fix -Wenum-compare.Michael J. Spencer2013-01-151-3/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172556 91177308-0d34-0410-b5e6-96231b3b80d8
* 1. Hoist minus sign as high as possible in an attempt to revealShuxin Yang2013-01-153-64/+152
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | some optimization opportunities (in the enclosing supper-expressions). rule 1. (-0.0 - X ) * Y => -0.0 - (X * Y) if expression "-0.0 - X" has only one reference. rule 2. (0.0 - X ) * Y => -0.0 - (X * Y) if expression "0.0 - X" has only one reference, and the instruction is marked "noSignedZero". 2. Eliminate negation (The compiler was already able to handle these opt if the 0.0s are replaced with -0.0.) rule 3: (0.0 - X) * (0.0 - Y) => X * Y rule 4: (0.0 - X) * C => X * -C if the expr is flagged "noSignedZero". 3. Rule 5: (X*Y) * X => (X*X) * Y if X!=Y and the expression is flagged with "UnsafeAlgebra". The purpose of this transformation is two-fold: a) to form a power expression (of X). b) potentially shorten the critical path: After transformation, the latency of the instruction Y is amortized by the expression of X*X, and therefore Y is in a "less critical" position compared to what it was before the transformation. 4. Remove the InstCombine code about simplifiying "X * select". The reasons are following: a) The "select" is somewhat architecture-dependent, therefore the higher level optimizers are not able to precisely predict if the simplification really yields any performance improvement or not. b) The "select" operator is bit complicate, and tends to obscure optimization opportunities. It is btter to keep it as low as possible in expr tree, and let CodeGen to tackle the optimization. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172551 91177308-0d34-0410-b5e6-96231b3b80d8
* [Linker] Drop asserts that are embedded in cast<> and now checked by the ↵Daniel Dunbar2013-01-151-11/+0
| | | | | | verifier. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172550 91177308-0d34-0410-b5e6-96231b3b80d8
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