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Matt Arsenault [Mon, 9 Jun 2014 16:20:25 +0000 (16:20 +0000)]
R600: Fix selection failure for vector bswap
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210475
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Bill Schmidt [Mon, 9 Jun 2014 16:06:29 +0000 (16:06 +0000)]
[PPC64LE] Generate correct little-endian code for v16i8 multiply
The existing code in PPCTargetLowering::LowerMUL() for multiplying two
v16i8 values assumes that vector elements are numbered in big-endian
order. For little-endian targets, the vector element numbering is
reversed, but the vmuleub, vmuloub, and vperm instructions still
assume big-endian numbering. To account for this, we must adjust the
permute control vector and reverse the order of the input registers on
the vperm instruction.
The existing test/CodeGen/PowerPC/vec_mul.ll is updated to be executed
on powerpc64 and powerpc64le targets as well as the original powerpc
(32-bit) target.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210474
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Evgeniy Stepanov [Mon, 9 Jun 2014 14:48:53 +0000 (14:48 +0000)]
Fix test in r210472.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210473
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Evgeniy Stepanov [Mon, 9 Jun 2014 14:29:34 +0000 (14:29 +0000)]
[msan] Workaround for invalid origins in shufflevector.
Makes origin propagation ignore literal undef operands, and,
in general, any operand we don't have origin for.
https://code.google.com/p/memory-sanitizer/issues/detail?id=56
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210472
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NAKAMURA Takumi [Mon, 9 Jun 2014 14:20:23 +0000 (14:20 +0000)]
llvm/test/CodeGen/X86/2014-05-29-factorial.ll: Relax an expression to match Win32 x64.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210471
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Sasa Stankovic [Mon, 9 Jun 2014 14:09:28 +0000 (14:09 +0000)]
[mips] Fix a bug for NaCl target - Don't report the error when non-dangerous
load/store is in branch delay slot.
Differential Revision: http://llvm-reviews.chandlerc.com/D4048
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210470
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Andrea Di Biagio [Mon, 9 Jun 2014 12:34:50 +0000 (12:34 +0000)]
[X86] Avoid emitting unnecessary test instructions.
This patch teaches the backend how to check for the 'NoSignedWrap' flag on
binary operations to improve the emission of 'test' instructions.
If the result of a binary operation is known not to overflow we know that
resetting the Overflow flag is unnecessary and so we can avoid emitting
the test instruction.
Patch by Marcello Maggioni.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210468
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Andrea Di Biagio [Mon, 9 Jun 2014 12:32:53 +0000 (12:32 +0000)]
[DAG] Expose NoSignedWrap, NoUnsignedWrap and Exact flags to SelectionDAG.
This patch modifies SelectionDAGBuilder to construct SDNodes with associated
NoSignedWrap, NoUnsignedWrap and Exact flags coming from IR BinaryOperator
instructions.
Added a new SDNode type called 'BinaryWithFlagsSDNode' to allow accessing
nsw/nuw/exact flags during codegen.
Patch by Marcello Maggioni.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210467
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Alexey Volkov [Mon, 9 Jun 2014 11:40:41 +0000 (11:40 +0000)]
[X86] Use ADD/SUB instead of INC/DEC for Silvermont
According to Intel Software Optimization Manual
on Silvermont INC or DEC instructions require
an additional uop to merge the flags.
As a result, a branch instruction depending
on an INC or a DEC instruction incurs a 1 cycle penalty.
Differential Revision: http://reviews.llvm.org/D3990
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210466
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Artyom Skrobov [Mon, 9 Jun 2014 11:10:14 +0000 (11:10 +0000)]
[AArch64] Missing aliases for CMP/CMN [W]SP with no shift
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210464
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Jeroen Ketema [Mon, 9 Jun 2014 10:12:29 +0000 (10:12 +0000)]
[docs] Fix typo, align comments, fix syntax highlighting
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210462
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Zoran Jovanovic [Mon, 9 Jun 2014 09:49:51 +0000 (09:49 +0000)]
[mips][mips64r6] Add LDPC instruction
Differential Revision: http://reviews.llvm.org/D3822
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210460
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Evgeniy Stepanov [Mon, 9 Jun 2014 09:09:19 +0000 (09:09 +0000)]
Fix line numbers for code inlined from __nodebug__ functions.
Instructions from __nodebug__ functions don't have file:line
information even when inlined into no-nodebug functions. As a result,
intrinsics (SSE and other) from <*intrin.h> clang headers _never_
have file:line information.
With this change, an instruction without !dbg metadata gets one from
the call instruction when inlined.
Fixes PR19001.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210459
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Evgeniy Stepanov [Mon, 9 Jun 2014 08:40:16 +0000 (08:40 +0000)]
[msan] Fix vector pack intrinsic handling.
This fixes a crash on MMX intrinsics, as well as a corner case in handling of
all unsigned pack intrinsics.
PR19953.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210454
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Matt Arsenault [Mon, 9 Jun 2014 08:36:53 +0000 (08:36 +0000)]
R600: Add more and testcases
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210453
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Patrik Hagglund [Mon, 9 Jun 2014 07:35:07 +0000 (07:35 +0000)]
Fix gcc warning (enumeral and non-enumeral type in conditional expression)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210450
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Chad Rosier [Mon, 9 Jun 2014 01:54:00 +0000 (01:54 +0000)]
[AArch64] Fix the ordering of the accumulate operand in SchedRW list.
Patch by Dave Estes <cestes@codeaurora.org>
http://reviews.llvm.org/D4037
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210446
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Chad Rosier [Mon, 9 Jun 2014 01:25:51 +0000 (01:25 +0000)]
[AArch64] When combining constant mul of power of 2 plus/minus 1, prefer shift
plus add. The shift can be folded into the add. This only effects codegen
when the constant is 3.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210445
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Jingyue Wu [Sun, 8 Jun 2014 23:49:34 +0000 (23:49 +0000)]
[SeparateConstOffsetFromGEP] inbounds zext => sext for better splitting
For each array index that is in the form of zext(a), convert it to sext(a)
if we can prove zext(a) <= max signed value of typeof(a). The conversion
helps to split zext(x + y) into sext(x) + sext(y).
Reviewed in http://reviews.llvm.org/D4060
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210444
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NAKAMURA Takumi [Sun, 8 Jun 2014 23:25:02 +0000 (23:25 +0000)]
Escape "@function" with \verbatim. [-Wdocumentation]
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210443
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Craig Topper [Sun, 8 Jun 2014 22:29:17 +0000 (22:29 +0000)]
[C++11] Use 'nullptr'.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210442
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Jingyue Wu [Sun, 8 Jun 2014 20:19:38 +0000 (20:19 +0000)]
[SeparateConstOffsetFromGEP] Fix an illegitimate optimization on zext
zext(a + b) != zext(a) + zext(b) even if a + b >= 0 && b >= 0.
e.g., a = i4 0b1111, b = i4 0b0001
zext a + b to i8 = zext 0b0000 to i8 =
0b00000000
(zext a to i8) + (zext b to i8) =
0b00001111 +
0b00000001 =
0b00010000
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210439
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Jingyue Wu [Sun, 8 Jun 2014 20:15:45 +0000 (20:15 +0000)]
Refactor canonicalizing array indices to a helper function
No functionality changes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210438
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Jingyue Wu [Sun, 8 Jun 2014 20:01:42 +0000 (20:01 +0000)]
[SeparateConstOffsetFromGEP] make two tests more strict
inbounds are not necessary in these two tests. zext(a +nuw b) = zext(a) +
zext(b) should hold with or without inbounds.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210437
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David Blaikie [Sun, 8 Jun 2014 19:33:40 +0000 (19:33 +0000)]
SmallVector: Improve test coverage for insert with repetition
To test cases that involve actual repetition (> 1 elements), at least
one element before the insertion point, and some elements of the
original range that still fit in that range space after insertion.
Actually we need coverage for the inverse case too (where no elements
after the insertion point fit into the previously allocated space), but
this'll do for now, and I might end up rewriting bits of SmallVector to
avoid that special case anyway.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210436
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Tobias Grosser [Sun, 8 Jun 2014 19:21:20 +0000 (19:21 +0000)]
ScalarEvolution: Derive element size from the type of the loaded element
Before, we where looking at the size of the pointer type that specifies the
location from which to load the element. This did not make any sense at all.
This change fixes a bug in the delinearization where we failed to delinerize
certain load instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210435
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David Blaikie [Sun, 8 Jun 2014 19:12:31 +0000 (19:12 +0000)]
SmallVector: More movable improvements - don't copy elements to make space when inserting repeated elements.
Also split and improve tests a bit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210433
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David Blaikie [Sun, 8 Jun 2014 19:12:28 +0000 (19:12 +0000)]
SmallVector: Move, don't copy, elements to make space for an insertion.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210432
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Saleem Abdulrasool [Sun, 8 Jun 2014 19:08:36 +0000 (19:08 +0000)]
X86: simplify data layout calculation
X86Subtarget::isTargetCygMing || X86Subtarget::isTargetKnownWindowsMSVC is
equivalent to all Windows environments. Simplify the check to isOSWindows.
NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210431
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David Blaikie [Sun, 8 Jun 2014 17:33:47 +0000 (17:33 +0000)]
SmallVectorTest: Remove some more robust checks added in r210429 since they caught some bugs I haven't fixed yet.
Specifically this caused inserting an element from a SmallVector into
itself when such an insertion would cause a reallocation. We have code
to handle this for non-reallocating cases, but it's not robust against
reallocation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210430
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David Blaikie [Sun, 8 Jun 2014 16:55:13 +0000 (16:55 +0000)]
Fix some more moving-from-moved-from objects issues in SmallVector
(& because it makes it easier to test, this also improves
correctness/performance slightly by moving the last element in an insert
operation, rather than copying it)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210429
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Stephen Canon [Sun, 8 Jun 2014 16:53:31 +0000 (16:53 +0000)]
APFloat: x - NaN needs to flip the signbit of NaN when x is a number.
Because we don't have a separate negate( ) function, 0 - NaN does double-duty as the IEEE-754 negate( ) operation, which (unlike most FP ops) *does* attach semantic meaning to the signbit of NaN.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210428
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David Blaikie [Sun, 8 Jun 2014 16:18:35 +0000 (16:18 +0000)]
AsmMatchers: Use unique_ptr to manage ownership of MCParsedAsmOperand
I saw at least a memory leak or two from inspection (on probably
untested error paths) and r206991, which was the original inspiration
for this change.
I ran this idea by Jim Grosbach a few weeks ago & he was OK with it.
Since it's a basically mechanical patch that seemed sufficient - usual
post-commit review, revert, etc, as needed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210427
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David Blaikie [Sun, 8 Jun 2014 16:00:02 +0000 (16:00 +0000)]
Ensure SmallVector::insert doesn't overwrite the last element in the range with the already-moved-from value
This would cause the last element in a range to be in a moved-from state
after an insert at a non-end position, losing that value entirely in the
process.
Side note: move_backward is subtle. It copies [A, B) to C-1 and down.
(the fact that it decrements both the second and third iterators before
the first movement is the subtle part... kind of surprising, anyway)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210426
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Alp Toker [Sun, 8 Jun 2014 09:13:42 +0000 (09:13 +0000)]
Revert "Do materialize for floating point"
1) The commit was made despite profound lack of understanding:
"I did not understand the comment about using dyn_cast instead of isa. I will
commit as is and make the update after. You can explain what you meant to me."
Commit first, understand later isn't OK.
2) Review comments were simply ignored:
"Can you edit the summary to describe what the patch is for? It appears to be
a list of commits at the moment."
3) The patch got LGTM'd off-list without any indication of readiness.
4) The public mailing list was excluded from patch review so all of this was
hidden from the community.
This reverts commit r210414.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210424
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Alp Toker [Sun, 8 Jun 2014 07:37:17 +0000 (07:37 +0000)]
Remove outdated CMake MSVC workaround
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210421
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Alp Toker [Sun, 8 Jun 2014 05:14:54 +0000 (05:14 +0000)]
Remove redundant typedef from MCAsmParserSemaCallback
The last use has been removed in clang r210418.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210419
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Alp Toker [Sun, 8 Jun 2014 05:07:38 +0000 (05:07 +0000)]
Make InlineAsmIdentifierInfo forward-declarable
This helps localize header inclusion in the frontend.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210417
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Saleem Abdulrasool [Sun, 8 Jun 2014 03:57:49 +0000 (03:57 +0000)]
MC: fix text section characteristics for WoA
link.exe requires that the text section has the IMAGE_SCN_MEM_16BIT flag set.
Otherwise, it will treat the function as ARM. If this occurs, then jumps to the
function will fail, switching from thumb to ARM mode execution.
With this change, it is possible to link using the MSVC linker as well.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210415
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Reed Kotler [Sun, 8 Jun 2014 03:30:32 +0000 (03:30 +0000)]
Do materialize for floating point
Summary:
start to do simple constants
finish simplestore
add test case
format
Merge branch 'master' into 1756_8
Add basic functionality for assignment of ints. This creates a lot of core infrastructure in which to add, with little effort, quite a bit more to mips fast-isel
Merge branch 'master' into 1756_8
Add basic functionality for assignment of ints. This creates a lot of core infrastructure in which to add, with little effort, quite a bit more to mips fast-isel
in progress
finish integer materialize
test cases
test cases
in progress
Finish up fast-isel materialize for ints.
Finish materialize for ints
test cases
simplestorei.ll
Merge branch 'master' into 1756_8
fix fp constants for fast-isel
Merge branch '1758_1' of dmz-portal.mips.com:llvm into 1758_1
in progress
lastest for fp materialization
clean up
Merge branch 'master' into 1758_1
formatting
add test case
finish test case
Merge branch 'master' into 1758_2
Test Plan:
simplestore.ll
simplestore.ll
Reviewers: dsanders
Reviewed By: dsanders
Differential Revision: http://reviews.llvm.org/D3659
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210414
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Reed Kotler [Sun, 8 Jun 2014 03:04:42 +0000 (03:04 +0000)]
start to clean up buildMI calls in mips fast-isel
Summary: Merge branch 'master' into 1758_6
Test Plan:
No functionality change. Run "make check" and run test-suite.
Because our servers are not yet running again I have not yet run test-suite.
I will further review myself before submission.
Reviewers: dsanders
Reviewed By: dsanders
Differential Revision: http://reviews.llvm.org/D3819
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210413
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Alp Toker [Sun, 8 Jun 2014 02:46:02 +0000 (02:46 +0000)]
Re-enable ARM ELF tests
r210408 inadvertently disabled them when X86 is not selected.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210412
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Alp Toker [Sun, 8 Jun 2014 02:45:56 +0000 (02:45 +0000)]
Fix build when no native target is enabled
The JITTests and MCJITTests unit test targets require a native arch with JIT
support, otherwise fail to link.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210411
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Reed Kotler [Sun, 8 Jun 2014 02:08:43 +0000 (02:08 +0000)]
include MipsGenFastISel.inc
Summary:
Included this file which is needed to enable tablegen generated functionality
for fast mips-isel
Test Plan:
This has no visible functionality by itself but just adding the include
file creates some issues so I have it as a separate patch.
Reviewers: dsanders
Reviewed By: dsanders
Differential Revision: http://reviews.llvm.org/D3812
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210410
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Saleem Abdulrasool [Sun, 8 Jun 2014 01:27:32 +0000 (01:27 +0000)]
test: add test case for SVN r210406
Add missing test case for constructor section selection. Thanks David Blaikie!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210409
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Saleem Abdulrasool [Sun, 8 Jun 2014 01:04:05 +0000 (01:04 +0000)]
test: move some tests into ARM directory
Rather than requiring ARM support for the ELF tests (which is odd), move the
tests that require ARM into a subdirectory to use lit to disable them if the
support is not present. Play this game to prevent disabling the ELF tests on
the Windows build bots as they have caught issues in the past with interactions
between various platforms.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210408
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Saleem Abdulrasool [Sun, 8 Jun 2014 00:34:34 +0000 (00:34 +0000)]
MC: make ELF .type handling more GNU AS compatible
GAS documents the .type directive as having an optional comma following the key
symbol name when using the STT_<TYPE_IN_UPPER_CASE> form. However, it treats
the comma as optional in all cases. This makes the IAS support both forms of
inputs. Furthermore, the prefixed forms take either the upper case name or the
lower case alias.
The tests are split into two separate sets as the hash character serves as a
comment character on x86, which is tested in the second set by using arm-elf
which uses the at symbol as a comment character.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210407
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Saleem Abdulrasool [Sun, 8 Jun 2014 00:34:27 +0000 (00:34 +0000)]
MC: fix ctor/dtor section for windows-itanium
This adjusts the section setup for the windows-itanium environment. This
environment does not report to be a known windows msvc environment, even though
it is (nearly) identical to the MSVC environment for C code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210406
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Saleem Abdulrasool [Sun, 8 Jun 2014 00:34:23 +0000 (00:34 +0000)]
MC: whitespace, grouping for COFF section setup
Add some whitespace, combine two sequential conditionals into a single one.
Reformat some section definitions to maintain uniformity in the function.
NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210405
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Alp Toker [Sat, 7 Jun 2014 21:23:09 +0000 (21:23 +0000)]
Fix typos
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210401
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Alp Toker [Sat, 7 Jun 2014 20:39:53 +0000 (20:39 +0000)]
Build fix: remove initializeJumpInstrTablesPass() call from LTO
This was incurring an unsatisfied dependency on CodeGen from LTO breaking
shared builds:
Undefined symbols for architecture x86_64:
"llvm::initializeJumpInstrTablesPass(llvm::PassRegistry&)", referenced from:
llvm::LTOCodeGenerator::initializeLTOPasses() in LTOCodeGenerator.cpp.o
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
Removed as a temporary measure pending feedback from the author.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210400
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Saleem Abdulrasool [Sat, 7 Jun 2014 20:29:27 +0000 (20:29 +0000)]
ARM: correct assertion for long-calls on WoA
COFF/PE, so the relocation model is never static. Loosen the assertion
accordingly. The relocation can still be emitted properly, as it will be
converted to an IMAGE_REL_ARM_ADDR32 which will be resolved by the loader
taking the base relocation into account. This is necessary to permit the
emission of long calls which can be controlled via the -mlong-calls option in
the driver.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210399
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Saleem Abdulrasool [Sat, 7 Jun 2014 19:23:07 +0000 (19:23 +0000)]
tools: add a high level explanation for WoA EH data
Add a brief explanation of the data section layout for the unwind data that the
Windows on ARM EH models. This is simply to provide a rough idea of the layout
of the code involved in the decoding of the unwinding. Details on the involved
data structures are available in the associated support header. The bulk of it
is related to printing out the byte-code to help validate generation of WoA EH.
No functional change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210397
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Peter Zotov [Sat, 7 Jun 2014 15:53:28 +0000 (15:53 +0000)]
[OCaml] Commit missing parts of r210395
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210396
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Peter Zotov [Sat, 7 Jun 2014 15:15:10 +0000 (15:15 +0000)]
[OCaml] Introduce an llmdkind abstract type.
Patch by Gabriel Radanne.
While this commit technically breaks API, no code should have supplied
the integer IDs directly, and thus no code should break.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210395
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Rafael Espindola [Sat, 7 Jun 2014 04:12:35 +0000 (04:12 +0000)]
Revert 209903 and 210040.
The messages were
"PR19753: Optimize comparisons with "ashr exact" of a constanst."
"Added support to optimize comparisons with "lshr exact" of a constant."
They were not correctly handling signed/unsigned operation differences,
causing pr19958.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210393
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Andrew Trick [Sat, 7 Jun 2014 01:48:43 +0000 (01:48 +0000)]
Fix the MachineScheduler's logic for updating ready times for in-order.
Now the scheduler updates a node's ready time as soon as it is
scheduled, before releasing dependent nodes. There was a reason I
didn't do this initially but it no longer applies.
A53 is in-order and was running into an issue where nodes where added
to the readyQ too early. That's now fixed.
This also makes it easier for custom scheduling strategies to build
heuristics based on the actual cycles that the node was scheduled at.
The only impact on OOO (sandybridge/cyclone) is that ready times will
be slightly more accurate. I didn't measure any significant regressions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210390
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Eric Christopher [Fri, 6 Jun 2014 23:26:48 +0000 (23:26 +0000)]
Replace the use of TargetMachine with a tiny bool variable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210386
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Eric Christopher [Fri, 6 Jun 2014 23:26:43 +0000 (23:26 +0000)]
Remove all local variables from X86SelectionDAGInfo, the DAG has
all of the ones we were stashing away on startup.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210385
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Saleem Abdulrasool [Fri, 6 Jun 2014 22:46:18 +0000 (22:46 +0000)]
ADT: introduce isWindowsItaniumEnvironment
Add an isWindowsItaniumEnvironment function to Triple to mirror the other
Windows environments. This is simply a utility function to check if we are
targeting windows-itanium rather than windows-msvc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210383
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David Blaikie [Fri, 6 Jun 2014 22:29:05 +0000 (22:29 +0000)]
DebugInfo: Use the scope of the function declaration, if any, to name a function in DWARF pubnames
This ensures that member functions, for example, are entered into
pubnames with their fully qualified name, rather than inside the global
namespace.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210379
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David Blaikie [Fri, 6 Jun 2014 22:16:56 +0000 (22:16 +0000)]
DebugInfo: pubnames: include file-local (static or anonymous namespace) variables and anonymous namespaces themselves.
Still some issues with name qualification, FIXMEs added to test cases
and fixes will come next.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210378
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Jingyue Wu [Fri, 6 Jun 2014 21:52:55 +0000 (21:52 +0000)]
InstCombine: Canonicalize addrspacecast between different element types
addrspacecast X addrspace(M)* to Y addrspace(N)*
-->
bitcast X addrspace(M)* to Y addrspace(M)*
addrspacecast Y addrspace(M)* to Y addrspace(N)*
Updat all affected tests and add several new tests in addrspacecast.ll.
This patch is based on http://reviews.llvm.org/D2186 (authored by Matt
Arsenault) with fixes and more tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210375
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Saleem Abdulrasool [Fri, 6 Jun 2014 21:40:16 +0000 (21:40 +0000)]
MC: prevent early DCE of empty sections
Prevent the early elimination of sections in the object writer. There may be
references to the section itself by other symbols, which may potentially not be
possible to resolve. ML (Visual Studio's Macro Assembler) also seems to retain
empty sections.
The elimination of symbols and sections which are unused should really occur at
the link phase. This will not cause any change in the resulting binary, simply
in the generated object files.
The adjustments to the other unit tests account for the fluctuating section
index caused by the appearance of sections which were previously discarded.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210373
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Benjamin Kramer [Fri, 6 Jun 2014 21:08:55 +0000 (21:08 +0000)]
X86: Don't turn shifts into ands if there's another use that may not check for equality.
Fixes PR19964.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210371
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Rafael Espindola [Fri, 6 Jun 2014 19:26:12 +0000 (19:26 +0000)]
Fix a few issues with comdat handling on COFF.
* Section association cannot use just the section name as many
sections can have the same name. With this patch, the comdat symbol in
an assoc section is interpreted to mean a symbol in the associated
section and the mapping is discovered from it.
* Comdat symbols were not being set correctly. Instead we were getting
whatever was output first for that section.
A consequence is that associative sections now must use .section to
set the association. Using .linkonce would not work since it is not
possible to change a sections comdat symbol (it is used to decide if
we should create a new section or reuse an existing one).
This includes r210298, which was reverted because it was asserting
on an associated section having the same comdat as the associated
section.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210367
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Eric Christopher [Fri, 6 Jun 2014 19:04:48 +0000 (19:04 +0000)]
Have TargetSelectionDAGInfo take a DataLayout initializer rather than
a TargetMachine since the only thing it wants is DataLayout.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210366
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David Blaikie [Fri, 6 Jun 2014 18:45:14 +0000 (18:45 +0000)]
Match the full hex offsets in test/DebugInfo/X86/gnu-public-names.ll
These checks were accidentally skipping the 0x prefix in the hex
offsets, then cunningly ignoring the prefix in the use of those captured
values.
Except in the case of the unit length, where the match was only matching
the leading '0' before the x in the 0x prefix, then matching that
against the length. We can't actually express the length association
here, as the length field in the Compile Unit header does not include
the length field itself, but the length field in the pubnames section
/does/ include the size of the length field in the Compile Unit header -
so the two numbers are actually 4 bytes different. Just skip matching
that.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210364
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Dan Liew [Fri, 6 Jun 2014 18:44:21 +0000 (18:44 +0000)]
Fix a typo made in Programmer's Manual made in r210354. Spotted
by Paul Robinson.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210363
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David Blaikie [Fri, 6 Jun 2014 18:22:04 +0000 (18:22 +0000)]
Remove DWARF3 testing of test/DebugInfo/X86/gnu-public-names.ll
This was added to test that DW_AT_GNU_pubnames used sec_offset in DWARF4
and data4 in DWARF3 and below. Since then we've updated
DW_AT_GNU_pubnames to be a flag, rather than a section offset anyway.
Granted this still differs between DWARF 3 and DWARF 4
(FORM_flag_present versun FORM_flag) but it doesn't seem worthwhile
testing that codepath again here. It's covered adequately in many other
test cases.
And while I'm here, don't hardcode the byte size of the compile unit -
it's not relevant to this test and just makes it brittle if/when
anything changes in the way this CU is emitted.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210362
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Filipe Cabecinhas [Fri, 6 Jun 2014 18:07:06 +0000 (18:07 +0000)]
Fixed a bug in lowering shuffle_vectors to insertps
Summary:
We were being too strict and not accounting for undefs.
Added a test case and fixed another one where we improved codegen.
Reviewers: grosbach, nadav, delena
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D4039
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210361
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Dan Liew [Fri, 6 Jun 2014 17:25:47 +0000 (17:25 +0000)]
Mention the IRBuilder in Programmer's Manual with a few small examples.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210354
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Michael Zolotukhin [Fri, 6 Jun 2014 15:49:47 +0000 (15:49 +0000)]
Fix typo in a test from r210342.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210343
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Michael Zolotukhin [Fri, 6 Jun 2014 15:34:24 +0000 (15:34 +0000)]
[SLP] Enable vectorization of GEP expressions.
The use cases look like the following:
x->a = y->a + 10
x->b = y->b + 12
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210342
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Bill Schmidt [Fri, 6 Jun 2014 14:06:26 +0000 (14:06 +0000)]
[PPC64LE] Fix lowering of BUILD_VECTOR and SHUFFLE_VECTOR for little endian
This patch fixes a couple of lowering issues for little endian
PowerPC. The code for lowering BUILD_VECTOR contains a number of
optimizations that are only valid for big endian. For now, we disable
those optimizations for correctness. In the future, we will add
analogous optimizations that are correct for little endian.
When lowering a SHUFFLE_VECTOR to a VPERM operation, we again need to
make the now-familiar transformation of swapping the input operands
and complementing the permute control vector. Correctness of this
transformation is tested by the accompanying test case.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210336
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Pekka Jaaskelainen [Fri, 6 Jun 2014 11:21:44 +0000 (11:21 +0000)]
Slight language tweak from Jonathan Humphreys.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210327
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Alp Toker [Fri, 6 Jun 2014 10:36:38 +0000 (10:36 +0000)]
Touch configure to force clang's config.h.in reconfiguration on the build servers
Gutted that this is needed, folks who care about keeping the legacy build
system alive should sort this out already.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210321
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Iain Sandoe [Fri, 6 Jun 2014 09:06:25 +0000 (09:06 +0000)]
lld test for configure & make
r210177 added lld Makefiles, r210245 added automatic build when the source is present.
This revision completes the set by adding the lld test and unittests to the check-all target.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210318
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Timur Iskhodzhanov [Fri, 6 Jun 2014 08:18:18 +0000 (08:18 +0000)]
Revert r210298 'Correctly set the comdat symbol on COFF' as it asserts on Windows
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210317
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Simon Atanasyan [Fri, 6 Jun 2014 07:41:57 +0000 (07:41 +0000)]
[yaml2obj][obj2yaml] Support ELF symbol's visibility flags (default/hidden/protected).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210316
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Dinesh Dwivedi [Fri, 6 Jun 2014 06:54:45 +0000 (06:54 +0000)]
Added select flavour for ABS and NEG(ABS)
This patch can identify
ABS(X) ==> (X >s 0) ? X : -X and (X >s -1) ? X : -X
ABS(X) ==> (X <s 0) ? -X : X and (X <s 1) ? -X : X
NABS(X) ==> (X >s 0) ? -X : X and (X >s -1) ? -X : X
NABS(X) ==> (X <s 0) ? X : -X and (X <s 1) ? X : -X
and can transform
ABS(ABS(X)) -> ABS(X)
NABS(NABS(X)) -> NABS(X)
Differential Revision: http://reviews.llvm.org/D3658
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210312
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Alp Toker [Fri, 6 Jun 2014 06:39:00 +0000 (06:39 +0000)]
Make LINK_POLLY_INTO_TOOLS work with the CMake build
The option check was being performed after config.h/llvm-config.h substitution,
generating incorrect macro definitions.
Fixes PR19614.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210311
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Karthik Bhat [Fri, 6 Jun 2014 06:20:08 +0000 (06:20 +0000)]
Fix PR19657 (scalar loads not combined into vector load)
If we have common uses on separate paths in the tree; process the one with greater common depth first.
This makes sure that we do not assume we need to extract a load when it is actually going to be part of a vectorized tree.
Review: http://reviews.llvm.org/D3800
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210310
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Alp Toker [Fri, 6 Jun 2014 05:08:42 +0000 (05:08 +0000)]
Remove clang-specific libxml2 check from CMake
clang's own CMake setup handles this as of r210308.
The CMAKE_CROSSCOMPILING special-case will no longer be hard-coded. This was
clearly site-specific to someone's local configuration and should be passed in
at configure time if needed with e.g. -DLIBXML2_LIBRARIES=... (the libxml2
target I tried here doesn't even support liblzma so it's *way* off).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210309
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Alp Toker [Fri, 6 Jun 2014 04:50:41 +0000 (04:50 +0000)]
config.h: remove clang-specific macro definitions
These had no business in LLVM core.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210307
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Rafael Espindola [Fri, 6 Jun 2014 01:20:28 +0000 (01:20 +0000)]
Allow aliases to be unnamed_addr.
Alias with unnamed_addr were in a strange state. It is stored in GlobalValue,
the language reference talks about "unnamed_addr aliases" but the verifier
was rejecting them.
It seems natural to allow unnamed_addr in aliases:
* It is a property of how it is accessed, not of the data itself.
* It is perfectly possible to write code that depends on the address
of an alias.
This patch then makes unname_addr legal for aliases. One side effect is that
the syntax changes for a corner case: In globals, unnamed_addr is now printed
before the address space.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210302
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Alexey Samsonov [Thu, 5 Jun 2014 23:12:43 +0000 (23:12 +0000)]
Fix markup for -debug-only option
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210300
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Alexey Samsonov [Thu, 5 Jun 2014 23:10:19 +0000 (23:10 +0000)]
Fix null dereference with -debug-only=dwarfdebug
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210299
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Rafael Espindola [Thu, 5 Jun 2014 23:09:25 +0000 (23:09 +0000)]
Correctly set the comdat symbol on COFF.
We extended the .section syntax to allow multiple sections with the
same name but different comdats, but currently we don't make sure that
the output section has that comdat symbol.
That happens to work with the code llc produces currently because it looks like
.section secName, "dr", one_only, "COMDATSym"
.globl COMDATSym
COMDATSym:
....
but that is not very friendly to anyone coding in assembly or even to
llc once we get comdat support in the IR.
This patch changes the coff object writer to make sure the comdat symbol is
output just after the section symbol, as required by the coff spec.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210298
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Bill Schmidt [Thu, 5 Jun 2014 22:57:38 +0000 (22:57 +0000)]
[PPC64LE] Add test case for r210282 commit
Chandler correctly pointed out that I need an LLVM IR test for
r210282, which modified the vperm -> shuffle transform for little
endian PowerPC. This patch provides that test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210297
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Eric Christopher [Thu, 5 Jun 2014 22:10:58 +0000 (22:10 +0000)]
Remove X86Subtarget from the X86FrameLowering constructor since
we can just pass in the values we already know and we're not
caching the subtarget anymore.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210292
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Jingyue Wu [Thu, 5 Jun 2014 22:07:33 +0000 (22:07 +0000)]
Fixed several correctness issues in SeparateConstOffsetFromGEP
Most issues are on mishandling s/zext.
Fixes:
1. When rebuilding new indices, s/zext should be distributed to
sub-expressions. e.g., sext(a +nsw (b +nsw 5)) = sext(a) + sext(b) + 5 but not
sext(a + b) + 5. This also affects the logic of recursively looking for a
constant offset, we need to include s/zext into the context of the searching.
2. Function find should return the bitwidth of the constant offset instead of
always sign-extending it to i64.
3. Stop shortcutting zext'ed GEP indices. LLVM conceptually sign-extends GEP
indices to pointer-size before computing the address. Therefore, gep base,
zext(a + b) != gep base, a + b
Improvements:
1. Add an optimization for splitting sext(a + b): if a + b is proven
non-negative (e.g., used as an index of an inbound GEP) and one of a, b is
non-negative, sext(a + b) = sext(a) + sext(b)
2. Function Distributable checks whether both sext and zext can be distributed
to operands of a binary operator. This helps us split zext(sext(a + b)) to
zext(sext(a) + zext(sext(b)) when a + b does not signed or unsigned overflow.
Refactoring:
Merge some common logic of handling add/sub/or in find.
Testing:
Add many tests in split-gep.ll and split-gep-and-gvn.ll to verify the changes
we made.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210291
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Eric Christopher [Thu, 5 Jun 2014 22:00:31 +0000 (22:00 +0000)]
Remove caching of the subtarget for X86FrameLowering.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210290
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Eric Christopher [Thu, 5 Jun 2014 21:42:54 +0000 (21:42 +0000)]
Remove duplicate copy of InstrItineraryData from the TargetMachine,
it's already on the subtarget.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210289
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Tom Roeder [Thu, 5 Jun 2014 21:40:13 +0000 (21:40 +0000)]
Adding explicit triples to the ARM jumptable tests
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210288
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Rafael Espindola [Thu, 5 Jun 2014 21:29:49 +0000 (21:29 +0000)]
Add a testcase where there is an overflow when combining two constants.
I noticed that a proposed optimization would have prevented this.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210287
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Kevin Enderby [Thu, 5 Jun 2014 21:21:57 +0000 (21:21 +0000)]
Add "-format darwin" to llvm-nm to be like darwin's nm(1) -m output.
This is a first step in seeing if it is possible to make llvm-nm produce
the same output as darwin's nm(1). Darwin's default format is bsd but its
-m output prints the longer Mach-O specific details. For now I added the
"-format darwin" to do this (whos name may need to change in the future).
As there are other Mach-O specific flags to nm(1) which I'm hoping to add some
how in the future. But I wanted to see if I could get the correct output for
-m flag using llvm-nm and the libObject interfaces.
I got this working but would love to hear what others think about this approach
to getting object/format specific details printed with llvm-nm.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210285
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Bill Schmidt [Thu, 5 Jun 2014 19:46:04 +0000 (19:46 +0000)]
[PPC64LE] Correct vperm -> shuffle transform for little endian
As discussed in cfe commit r210279, the correct little-endian
semantics for the vec_perm Altivec interfaces are implemented by
reversing the order of the input vectors and complementing the permute
control vector. This converts the desired permute from little endian
element order into the big endian element order that the underlying
PowerPC vperm instruction uses. This is represented with a
ppc_altivec_vperm intrinsic function.
The instruction combining pass contains code to convert a
ppc_altivec_vperm intrinsic into a vector shuffle operation when the
intrinsic has a permute control vector (mask) that is a constant.
However, the vector shuffle operation assumes that vector elements are
in natural order for their endianness, so for little endian code we
will get the wrong result with the existing transformation.
This patch reverses the semantic change to vec_perm that was performed
in altivec.h by once again swapping the input operands and
complementing the permute control vector, returning the element
ordering to little endian.
The correctness of this code is tested by the new perm.c test added in
a previous patch, and by other tests in the test suite that fail
without this patch.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210282
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Tom Roeder [Thu, 5 Jun 2014 19:43:57 +0000 (19:43 +0000)]
Removing spurious dependency of IPO on JumpInstrTables
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210281
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Tom Roeder [Thu, 5 Jun 2014 19:29:43 +0000 (19:29 +0000)]
Add a new attribute called 'jumptable' that creates jump-instruction tables for functions marked with this attribute.
It includes a pass that rewrites all indirect calls to jumptable functions to pass through these tables.
This also adds backend support for generating the jump-instruction tables on ARM and X86.
Note that since the jumptable attribute creates a second function pointer for a
function, any function marked with jumptable must also be marked with unnamed_addr.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210280
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