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Success Build clang-r365468-t57822-b57822.tar.gz (Jul 9, 2019 5:41:39 AM)


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Revision: 364448
  1. OpaquePtr: add Type parameter to Loads analysis API.

    This makes the functions in Loads.h require a type to be specified
    independently of the pointer Value so that when pointers have no structure
    other than address-space, it can still do its job.

    Most callers had an obvious memory operation handy to provide this type, but a
    SROA and ArgumentPromotion were doing more complicated analysis. They get
    updated to merge the properties of the various instructions they were
    considering. (detail)
    by tnorthover
  2. [DwarfDebug] Dump call site debug info

    Dump the DWARF information about call sites and call site parameters into
    debug info sections.

    The patch also provides an interface for the interpretation of instructions
    that could load values of a call site parameters in order to generate DWARF
    about the call site parameters.

    ([13/13] Introduce the debug entry values.)

    Co-authored-by: Ananth Sowda <>
    Co-authored-by: Nikola Prica <>
    Co-authored-by: Ivan Baev <>

    Differential Revision: (detail)
    by djtodoro
  3. [RISCV] Fix RISCVTTIImpl::getIntImmCost for immediates where getMinSignedBits() > 64

    APInt::getSExtValue will assert if getMinSignedBits() > 64. This can happen,
    for instance, if examining an i128. Avoid this assertion by checking
    Imm.getMinSignedBits() <= 64 before doing
    getTLI()->isLegalAddImmediate(Imm.getSExtValue()). We could directly check
    getMinSignedBits() <= 12 but it seems better to reuse the isLegalAddImmediate
    helper for this.

    Differential Revision: (detail)
    by asb
  4. [docs][llvm-nm] Improve some wording

    In particular, the --debug-syms switch really doesn't have anything to
    do with debuggers, so I've updated the document accordingly. (detail)
    by jhenderson
  5. [SelectionDAG] Simplify some calls to getSetCCResultType. NFC

    DAGTypeLegalizer and SelectionDAGLegalize has helper
    functions wrapping the call to TLI.getSetCCResultType(...).
    Use those helpers in more places. (detail)
    by bjope
  6. [LegalizeTypes] Fix saturation bug for smul.fix.sat

    Make sure we use SETGE instead of SETGT when checking
    if the sign bit is zero at SMULFIXSAT expansion.

    The faulty expansion occured when doing "expand" of
    SMULFIXSAT and the scale was exactly matching the
    size of the smaller type. For example doing
      i64 Z = SMULFIXSAT X, Y, 32
    and expanding X/Y/Z into using two i32 values.

    The problem was that we sometimes did not saturate
    to min when overflowing.

    Here is an example using Q3.4 numbers:

    Consider that we are multiplying X and Y.
      X = 0x80 (-8.0 as Q3.4)
      Y = 0x20 (2.0 as Q3.4)
    To avoid loss of precision we do a widening
    multiplication, getting a 16 bit result
      Z = 0xF000 (-16.0 as Q7.8)

    To detect negative overflow we should check if
    the five most significant bits in Z are less than -1.
    Assume that we name the 4 most significant bits
    as HH and the next 4 bits as HL. Then we can do the
    check by examining if
    (HH < -1) or (HH == -1 && "sign bit in HL is zero").

    The fault was that we have been doing the check as
    (HH < -1) or (HH == -1 && HL > 0)
    instead of
    (HH < -1) or (HH == -1 && HL >= 0).

    In our example HH is -1 and HL is 0, so the old
    code did not trigger saturation and simply truncated
    the result to 0x00 (0.0). With the bugfix we instead
    detect that we should saturate to min, and the result
    will be set to 0x80 (-8.0).

    Reviewers: leonardchan, bevinh

    Reviewed By: leonardchan

    Subscribers: hiraditya, llvm-commits

    Tags: #llvm

    Differential Revision: (detail)
    by bjope
  7. Retire VS2015 Support

    As proposed here:

    This patch raises the minimum supported version to build LLVM/Clang to Visual Studio 2017.

    Differential Revision: (detail)
    by rksimon
  8. [docs][llvm-dwarfdump] Make some option descriptions clearer and more precise

    Some of the wording in the doc (taken largely from the help text), was a
    little imprecise in some cases, so this patch makes it a little more

    Reviewed by: JDevlieghere, probinson

    Differential Revision: (detail)
    by jhenderson
  9. [llvm-profdata] Don't make the output overwrite the input file.

    Some file systems may not allow this behavior, the test fails on our internal
    system ("Permission denied"). (detail)
    by hokein
Revision: 364448
  1. Reland r365355: [Syntax] Introduce syntax trees

    With a fix to a PS4 buildbot crash. (detail)
    by ibiryukov
  2. Revert rL365355 : [Syntax] Introduce syntax trees

    A tooling-focused alternative to the AST. This commit focuses on the
    memory-management strategy and the structure of the AST.

    More to follow later:
      - Operations to mutate the syntax trees and corresponding textual
      - Mapping between clang AST nodes and syntax tree nodes.
      - More node types corresponding to the language constructs.

    Reviewers: sammccall

    Reviewed By: sammccall

    Subscribers: llvm-commits, mgorny, cfe-commits

    Tags: #clang, #llvm

    Differential Revision:
    Fixes buildbots which were crashing on SyntaxTests.exe (detail)
    by rksimon
  3. [ASTImporter] Added visibility context check for EnumDecl.

    ASTImporter makes now difference between enums with same name in different translation
    units if these are not visible outside.
    ("Scoped enums" are not handled yet.)

    Reviewers: martong, a.sidorin, shafik, a_sidorin

    Reviewed By: a_sidorin

    Subscribers: rnkovacs, dkrupp, Szelethus, gamesh411, cfe-commits

    Tags: #clang

    Differential Revision: (detail)
    by balazske
  4. Retire VS2015 Support

    As proposed here:

    This patch raises the minimum supported version to build LLVM/Clang to Visual Studio 2017.

    Differential Revision: (detail)
    by rksimon
Revision: 364448
  1. Enhance abseil-faster-strsplit-delimiter to handle other non-printable characters.

    Currently it fails on cases like '\001'.

    Note: Since `StringLiteral::outputString` dumps most nonprintable
    characters in octal value, the exact string literal format isn't preserved,
    e.g. `"\x01"` becomes `'\001'`.

    Reviewers: gribozavr

    Reviewed By: gribozavr

    Subscribers: lebedev.ri, Eugene.Zelenko, cfe-commits

    Tags: #clang

    Differential Revision:

    Patch by Xiaoyi Zhang. (detail)
    by gribozavr
  2. Fixed assertion (detail)
    by sureyeaah
  3. dummy variable extraction on a function scope

    - Added extraction to a dummy variable
    - using auto for the dummy variable type for now
    - Works on a function scope
    - Adding braces to create a compound statement not supported yet
    - added unit tests

    Reviewers: sammccall, kadircet

    Subscribers: mgorny, jkorous, arphaman, cfe-commits

    Tags: #clang

    Differential Revision: (detail)
    by sureyeaah

Started by upstream project relay-test-suite-verify-machineinstrs build number 5586
originally caused by:

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