Daniel Sanders [Fri, 11 Sep 2015 14:54:58 +0000 (14:54 +0000)]
[mips] Add missing MIPS-IV disassembler tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247417
91177308-0d34-0410-b5e6-
96231b3b80d8
Daniel Sanders [Fri, 11 Sep 2015 14:48:46 +0000 (14:48 +0000)]
[mips] Add missing MIPS-III disassembler tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247416
91177308-0d34-0410-b5e6-
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Arnaud A. de Grandmaison [Fri, 11 Sep 2015 14:45:34 +0000 (14:45 +0000)]
Tweak 2 x86 gold tests so they can run on non-x86 platforms
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247415
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Daniel Sanders [Fri, 11 Sep 2015 14:34:41 +0000 (14:34 +0000)]
[mips] Add missing MIPS-II disassembler tests.
These tests were found by llvm-mc-fuzzer (see http://reviews.llvm.org/D12723)
and were verified by checking the disassembler output is accepted by GAS.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247414
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Yaron Keren [Fri, 11 Sep 2015 13:22:47 +0000 (13:22 +0000)]
Add #include llvm-config.h to Locale.cpp which depends on LLVM_ON_WIN32.
Source code was assuming that llvm-config.h would be included somehow but
up to r247253 that added #include "llvm/Support/Compiler.h" to StringRef.h
the config file was not actually included. The inclusion of llvm-config.h
caused a change of behaviour in tools/clang/test/Frontend/source-col-map.c:
previously it would output the original UTF-8 but now it outputs <U+03B1>.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247409
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Daniel Sanders [Fri, 11 Sep 2015 12:59:03 +0000 (12:59 +0000)]
Re-commit r247405: [mips] Add missing MIPS-I disassembler tests.
These tests were found by llvm-mc-fuzzer (see http://reviews.llvm.org/D12723)
and verified by checking the disassembler output is accepted by GAS.
The problematic tests from the previous commit have been moved to
valid-xfail.txt for now.
Also, give invalid instructions some coverage. invalid-xfail.txt contains
instructions that should be invalid but successfully disassemble.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247407
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Daniel Sanders [Fri, 11 Sep 2015 12:42:38 +0000 (12:42 +0000)]
Revert r247405: [mips] Add missing MIPS-I disassembler tests.
A small number of the added tests have operands that change on each round trip.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247406
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Daniel Sanders [Fri, 11 Sep 2015 12:24:06 +0000 (12:24 +0000)]
[mips] Add missing MIPS-I disassembler tests.
These tests were found by llvm-mc-fuzzer (see http://reviews.llvm.org/D12723)
and verified by checking the disassembler output is accepted by GAS.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247405
91177308-0d34-0410-b5e6-
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NAKAMURA Takumi [Fri, 11 Sep 2015 08:20:56 +0000 (08:20 +0000)]
PPCFrameLowering::emitEpilogue(): Avoid manipulating MBBI on iterator end.
It caused crash in MachineInstr::hasPropertyInBundle() since r247237.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247395
91177308-0d34-0410-b5e6-
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NAKAMURA Takumi [Fri, 11 Sep 2015 08:03:17 +0000 (08:03 +0000)]
Fix llvm/test/tools/gold/X86/bad-alias.ll.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247391
91177308-0d34-0410-b5e6-
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Frederic Riss [Fri, 11 Sep 2015 04:17:30 +0000 (04:17 +0000)]
[dsymutil] Discard useless location attributes.
When cloning the debug info for a function that hasn't been linked,
strip the DIEs from all location attributes that wouldn't contain any
meaningful information anyway.
This kind of situation can happen when a function got discarded by the
linker, but its debug information is still wanted in the final link
because it was marked as required as some other DIE dependency. The easiest
way to get into that situation is to have using directives. They get
linked unconditionally, but their targets might not always be present.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247386
91177308-0d34-0410-b5e6-
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Frederic Riss [Fri, 11 Sep 2015 04:17:25 +0000 (04:17 +0000)]
[dsymutil] Rename some variables NFC.
lldb doesn't like having variables named as an existing type. In order to
ease debugging, rename those variables to avoid that conflict.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247385
91177308-0d34-0410-b5e6-
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David Blaikie [Fri, 11 Sep 2015 03:28:37 +0000 (03:28 +0000)]
Fix the gold test cases after alias changes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247381
91177308-0d34-0410-b5e6-
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David Blaikie [Fri, 11 Sep 2015 03:22:04 +0000 (03:22 +0000)]
[opaque pointer type] Add textual IR support for explicit type parameter for global aliases
update.py:
import fileinput
import sys
import re
alias_match_prefix = r"(.*(?:=|:|^)\s*(?:external |)(?:(?:private|internal|linkonce|linkonce_odr|weak|weak_odr|common|appending|extern_weak|available_externally) )?(?:default |hidden |protected )?(?:dllimport |dllexport )?(?:unnamed_addr |)(?:thread_local(?:\([a-z]*\))? )?alias"
plain = re.compile(alias_match_prefix + r" (.*?))(| addrspace\(\d+\) *)\*($| *(?:%|@|null|undef|blockaddress|addrspacecast|\[\[[a-zA-Z]|\{\{).*$)")
cast = re.compile(alias_match_prefix + r") ((?:bitcast|inttoptr|addrspacecast)\s*\(.* to (.*?)(| addrspace\(\d+\) *)\*\)\s*(?:;.*)?$)")
gep = re.compile(alias_match_prefix + r") ((?:getelementptr)\s*(?:inbounds)?\s*\((?P<type>.*), (?P=type)(?:\s*addrspace\(\d+\)\s*)?\* .*\)\s*(?:;.*)?$)")
def conv(line):
m = re.match(cast, line)
if m:
return m.group(1) + " " + m.group(3) + ", " + m.group(2)
m = re.match(gep, line)
if m:
return m.group(1) + " " + m.group(3) + ", " + m.group(2)
m = re.match(plain, line)
if m:
return m.group(1) + ", " + m.group(2) + m.group(3) + "*" + m.group(4) + "\n"
return line
for line in sys.stdin:
sys.stdout.write(conv(line))
apply.sh:
for name in "$@"
do
python3 `dirname "$0"`/update.py < "$name" > "$name.tmp" && mv "$name.tmp" "$name"
rm -f "$name.tmp"
done
The actual commands:
From llvm/src:
find test/ -name *.ll | xargs ./apply.sh
From llvm/src/tools/clang:
find test/ -name *.mm -o -name *.m -o -name *.cpp -o -name *.c | xargs -I '{}' ../../apply.sh "{}"
From llvm/src/tools/polly:
find test/ -name *.ll | xargs ./apply.sh
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247378
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Richard Smith [Fri, 11 Sep 2015 03:14:00 +0000 (03:14 +0000)]
[modules] Move ConvertUTF.h to a separate submodule that doesn't require C++.
The former setup once resulted in us ignoring the module for C compilations,
but Clang now errors on this if the header is included from C code (which it is).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247377
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Cong Hou [Fri, 11 Sep 2015 02:47:30 +0000 (02:47 +0000)]
Fixed a bug that BranchProbability is not defined in BlockFrequency.cpp. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247376
91177308-0d34-0410-b5e6-
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Duncan P. N. Exon Smith [Fri, 11 Sep 2015 01:34:59 +0000 (01:34 +0000)]
AsmWriter: Avoid O(N^2) processing of metadata
Fix embarrassing bugs I introduced to the `SlotTracker` in or around
r235785. I had us iterating through every instruction in a function
(and hitting a map in the LLVMContext) for every basic block in the
function.
While there, completely avoid the call to
`SlotTracker::processFunctionMetadata()` from
`SlotTracker::processFunction()` if we've speculatively done this
already in `SlotTracker::processModule()` by checking
`ShouldInitializeAllMetadata` (this wasn't an algorithmic problem, but
it's touching the same line of code).
Fixes PR24699.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247372
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Mehdi Amini [Fri, 11 Sep 2015 01:33:48 +0000 (01:33 +0000)]
Revert "[InstCombineCalls] Use isKnownNonNullAt() to check nullness of passing arguments at callsite"
This reverts commit r247356.
Breaks test/Transforms/InstCombine/pr8547.ll with:
Wrong types for attribute: byval inalloca nest noalias nocapture nonnull readnone readonly sret dereferenceable(1) dereferenceable_or_null(1)
%call = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str, i64 0, i64 0), i32 nonnull %conv2) #0
LLVM ERROR: Broken function found, compilation aborted!
From: Mehdi Amini <mehdi.amini@apple.com>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247371
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Kostya Serebryany [Fri, 11 Sep 2015 00:20:58 +0000 (00:20 +0000)]
[libFuzzer] perform fewer crossover operations compared to plain mutations
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247364
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Reid Kleckner [Thu, 10 Sep 2015 23:59:45 +0000 (23:59 +0000)]
Add .exe check to Execute to fix clang-modernize tests broken in r247358
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247361
91177308-0d34-0410-b5e6-
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Richard Smith [Thu, 10 Sep 2015 23:30:27 +0000 (23:30 +0000)]
[modules] Add another .def file to our list of textual headers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247359
91177308-0d34-0410-b5e6-
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Reid Kleckner [Thu, 10 Sep 2015 23:28:06 +0000 (23:28 +0000)]
ScanDirForExecutable on Windows fails to find executables with the "exe" extension in name
When the driver tries to locate a program by its name, e.g. a linker, it
scans the paths provided by the toolchain using the ScanDirForExecutable
function. If the lookup fails, the driver uses
llvm::sys::findProgramByName. Unlike llvm::sys::findProgramByName,
ScanDirForExecutable is not aware of file extensions. If the program has
the "exe" extension in its name, which is very common on Windows,
ScanDirForExecutable won't find it under the toolchain-provided paths.
This patch changes the Windows version of the "`can_execute`" function
called by ScanDirForExecutable to respect file extensions, similarly to
llvm::sys::findProgramByName.
Patch by Oleg Ranevskyy
Reviewers: rnk
Differential Revision: http://reviews.llvm.org/D12711
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247358
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Cong Hou [Thu, 10 Sep 2015 23:10:42 +0000 (23:10 +0000)]
Pass BranchProbability/BlockMass by value instead of const& as they are small. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247357
91177308-0d34-0410-b5e6-
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Chen Li [Thu, 10 Sep 2015 23:04:49 +0000 (23:04 +0000)]
[InstCombineCalls] Use isKnownNonNullAt() to check nullness of passing arguments at callsite
Summary: This patch replaces isKnownNonNull() with isKnownNonNullAt() when checking nullness of passing arguments at callsite. In this way it can handle cases where the argument does not have nonnull attribute but has a dominating null check from the CFG.
Reviewers: reames
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D12779
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247356
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Rafael Espindola [Thu, 10 Sep 2015 22:46:38 +0000 (22:46 +0000)]
Mark another method const. Sorry for missing this one the first time.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247354
91177308-0d34-0410-b5e6-
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Chen Li [Thu, 10 Sep 2015 22:35:41 +0000 (22:35 +0000)]
[InstCombineCalls] Use isKnownNonNullAt() to check nullness of gc.relocate return value
Summary: This patch replaces isKnownNonNull() with isKnownNonNullAt() when checking nullness of gc.relocate return value. In this way it can handle cases where the relocated value does not have nonnull attribute but has a dominating null check from the CFG.
Reviewers: reames
Subscribers: llvm-commits, sanjoy
Differential Revision: http://reviews.llvm.org/D12772
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247353
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Filipe Cabecinhas [Thu, 10 Sep 2015 22:34:39 +0000 (22:34 +0000)]
Remove gcc warning when comparing an unsigned var for >= 0
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247352
91177308-0d34-0410-b5e6-
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Reid Kleckner [Thu, 10 Sep 2015 22:00:02 +0000 (22:00 +0000)]
[WinEH] Push and pop EBP for 32-bit funclets
The Win32 EH runtime caller does not preserve EBP, even though it does
preserve the CSRs (EBX, ESI, EDI) for us. The result was that each
finally funclet call would leave the frame pointer off by 12 bytes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247348
91177308-0d34-0410-b5e6-
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Matt Arsenault [Thu, 10 Sep 2015 21:51:19 +0000 (21:51 +0000)]
AMDGPU: Simplify debug printing
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247345
91177308-0d34-0410-b5e6-
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Matt Arsenault [Thu, 10 Sep 2015 21:51:15 +0000 (21:51 +0000)]
AMDGPU: Use StringRef value
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247344
91177308-0d34-0410-b5e6-
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James Y Knight [Thu, 10 Sep 2015 21:49:06 +0000 (21:49 +0000)]
[SPARC] Switch to the Machine Scheduler.
The (mostly-deprecated) SelectionDAG-based ILPListDAGScheduler scheduler
was making poor scheduling decisions, causing high register pressure and
extraneous register spills.
Switching to the newer machine scheduler generates better code -- even
without there being a machine model defined for SPARC yet.
(Actually committing the test changes too, this time, unlike r247315)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247343
91177308-0d34-0410-b5e6-
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Rafael Espindola [Thu, 10 Sep 2015 21:48:36 +0000 (21:48 +0000)]
Mark two methods const.
While at it, optimize getOffset a bit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247342
91177308-0d34-0410-b5e6-
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Reid Kleckner [Thu, 10 Sep 2015 21:46:36 +0000 (21:46 +0000)]
Fix SEH state numbering algorithm to handle cleanupendpads
WinEHPrepare's new coloring algorithm really expects to see
cleanupendpads now, so Clang will start emitting them soon.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247341
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Matthew Simpson [Thu, 10 Sep 2015 21:12:57 +0000 (21:12 +0000)]
[LV] Relax Small Size Reduction Type Requirement
This patch enables small size reductions in which the source types are smaller
than the reduction type (e.g., computing an i16 sum from the values in an i8
array). The previous behavior was to only allow small size reductions if the
source types and reduction type were the same. The change accounts for the fact
that the existing sign- and zero-extend instructions in these cases should
still be included in the cost model.
Differential Revision: http://reviews.llvm.org/D12770
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247337
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Lang Hames [Thu, 10 Sep 2015 21:05:58 +0000 (21:05 +0000)]
[RuntimeDyld] Support non-zero addends for the MachO X86_64 SUBTRACTOR reloc.
This functionality was accidentally left out of r247119.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247336
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Lang Hames [Thu, 10 Sep 2015 20:44:36 +0000 (20:44 +0000)]
[RuntimeDyld] Fix a bug in debugging output: all sections should be dumped
before any relocations have been applied, and again after all relocations have
been applied.
Previously each section was dumped before and after relocations targetting it
were applied, but this only shows the impact of relocations that point to other
symbols in the same section.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247335
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Chandler Carruth [Thu, 10 Sep 2015 20:34:57 +0000 (20:34 +0000)]
Add an explicit 'inline' specifier to these static functions. GCC is
warning on them having always_inline attribute for reasons I don't fully
understand -- static functions are just as inlinable as inline
functions in terms of linkage.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247334
91177308-0d34-0410-b5e6-
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Reid Kleckner [Thu, 10 Sep 2015 20:07:25 +0000 (20:07 +0000)]
Correct the return type of CreateCleanupEndPad
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247331
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James Y Knight [Thu, 10 Sep 2015 19:42:03 +0000 (19:42 +0000)]
Revert "[SPARC] Switch to the Machine Scheduler."
This reverts commit r247315.
Accidentally omitted test changes; will resubmit full change shortly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247328
91177308-0d34-0410-b5e6-
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David Majnemer [Thu, 10 Sep 2015 18:50:09 +0000 (18:50 +0000)]
[IR] Conservatively mark 'catchpad' as accessing memory
The exact semantics of 'catchpad' are really in the hands of the
personality routine so we shouldn't assume that they have no side
effects.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247322
91177308-0d34-0410-b5e6-
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Kostya Serebryany [Thu, 10 Sep 2015 18:48:38 +0000 (18:48 +0000)]
[libFuzzer] refactor the code to allow building libFuzzer on platforms that don't have dfsan and don't support weak functions
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247321
91177308-0d34-0410-b5e6-
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Chris Bieneman [Thu, 10 Sep 2015 18:22:33 +0000 (18:22 +0000)]
[CMake] Add lto subdirectory explicitly.
This is required because ExternalProject_Add requires all targets specified in the DEPENDS argument must exist before calling ExternalProject_Add.
I have a follow-up patch to clang that enables using the just-built libLTO in bootstrap builds, so we need to be able to add the LTO target as a dependency in clang.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247316
91177308-0d34-0410-b5e6-
96231b3b80d8
James Y Knight [Thu, 10 Sep 2015 18:20:45 +0000 (18:20 +0000)]
[SPARC] Switch to the Machine Scheduler.
The (mostly-deprecated) SelectionDAG-based ILPListDAGScheduler scheduler
was making poor scheduling decisions, causing high register pressure and
extraneous register spills.
Switching to the newer machine scheduler generates better code -- even
without there being a machine model defined for SPARC yet.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247315
91177308-0d34-0410-b5e6-
96231b3b80d8
Matthew Simpson [Thu, 10 Sep 2015 18:12:47 +0000 (18:12 +0000)]
[SCEV] Consistently Handle Expressions That Cannot Be Divided
This patch addresses the issue of SCEV division asserting on some
input expressions (e.g., non-affine expressions) and quietly giving
up on others. When giving up, we set the quotient to be equal to
zero and the remainder to be equal to the numerator. With this
patch, we always quietly give up when we cannot perform the
division.
This patch also adds a test case for DependenceAnalysis that
previously caused an assertion.
Differential Revision: http://reviews.llvm.org/D11725
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247314
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JF Bastien [Thu, 10 Sep 2015 18:08:35 +0000 (18:08 +0000)]
[MergeFuncs] Fix callsite attributes in thunk generation
This change correctly sets the attributes on the callsites
generated in thunks. This makes sure things such as sret, sext, etc.
are correctly set, so that the call can be a proper tailcall.
Also, the transfer of attributes in the replaceDirectCallers function
appears to be unnecessary, but until this is confirmed it will remain.
Author: jrkoenig
Reviewers: dschuff, jfb
Subscribers: llvm-commits, nlewycky
Differential revision: http://reviews.llvm.org/D12581
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247313
91177308-0d34-0410-b5e6-
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David Blaikie [Thu, 10 Sep 2015 18:03:45 +0000 (18:03 +0000)]
Tidy up some alias syntax to make explicit pointer type migration easier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247312
91177308-0d34-0410-b5e6-
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Jordan Rose [Thu, 10 Sep 2015 17:55:02 +0000 (17:55 +0000)]
[CMake] s/LLVM_SOURCE_DIR/LLVM_MAIN_SRC_DIR/
Fix-up for r247305 to use the right variable. There's another use of
LLVM_SOURCE_DIR in this file that is probably also questionable, but it's
for Windows so I'm going to leave it alone.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247311
91177308-0d34-0410-b5e6-
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Philip Reames [Thu, 10 Sep 2015 17:44:47 +0000 (17:44 +0000)]
[SimplifyCFG] Use known bits to eliminate dead switch defaults
This is a follow up to http://reviews.llvm.org/D11995 implementing the suggestion by Hans.
If we know some of the bits of the value being switched on, we know that the maximum number of unique cases covers the unknown bits. This allows to eliminate switch defaults for large integers (i32) when most bits in the value are known.
Note that I had to make the transform contingent on not having any dead cases. This is conservatively correct with the old code, but required for the new code since we might have a dead case which varies one of the known bits. Counting that towards our number of covering cases would be bad. If we do have dead cases, we'll eliminate them first, then revisit the possibly dead default.
Differential Revision: http://reviews.llvm.org/D12497
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247309
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Chris Bieneman [Thu, 10 Sep 2015 17:28:51 +0000 (17:28 +0000)]
[CMake] Add DARWIN_LTO_LIBRARY option to allow overriding -lto_library.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247308
91177308-0d34-0410-b5e6-
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Chris Bieneman [Thu, 10 Sep 2015 17:23:32 +0000 (17:23 +0000)]
[CMake] Allow LLVM_TOOLCHAIN_TOOLS to be overridden
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247306
91177308-0d34-0410-b5e6-
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Jordan Rose [Thu, 10 Sep 2015 17:18:51 +0000 (17:18 +0000)]
[CMake] Fix Xcode build with LLVM_ENABLE_OBJLIB.
This amends chapuni's r246156 to handle an Xcode quirk, one even called out
in the CMake documentation:
Some native build systems may not like targets that have only object files,
so consider adding at least one real source file to any target that
references $<TARGET_OBJECTS:objlib>.
I've limited the scope of this hack to Xcode for now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247305
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Adrian Prantl [Thu, 10 Sep 2015 17:13:58 +0000 (17:13 +0000)]
Debug Info: Allow a DIModule to appear as the scope of other entities.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247304
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Philip Reames [Thu, 10 Sep 2015 17:03:10 +0000 (17:03 +0000)]
[docs][PerformanceTips] Add text on allocas and alignment
This summarizes two recent llvm-dev discussions. Most of the text provided by David Chisnall and Benoit Belley with minor editting by me.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247301
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Kostya Serebryany [Thu, 10 Sep 2015 16:57:57 +0000 (16:57 +0000)]
[libFuzzer] add two more variants of FuzzerDriver for convenience
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247300
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Joseph Tremoulet [Thu, 10 Sep 2015 16:51:25 +0000 (16:51 +0000)]
[WinEH] Fix single-block cleanup coloring
Summary:
The coloring code in WinEHPrepare queues cleanuprets' successors with the
correct color (the parent one) when it sees their cleanuppad, and so later
when iterating successors knows to skip processing cleanuprets since
they've already been queued. This latter check was incorrectly under an
'else' condition and so inadvertently was not kicking in for single-block
cleanups. This change sinks the check out of the 'else' to fix the bug.
Reviewers: majnemer, andrew.w.kaylor, rnk
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D12751
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247299
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Hans Wennborg [Thu, 10 Sep 2015 16:49:58 +0000 (16:49 +0000)]
Re-commit r247216: "Fix Clang-tidy misc-use-override warnings, other minor fixes"
Except the changes that defined virtual destructors as =default, because that
ran into problems with GCC 4.7 and overriding methods that weren't noexcept.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247298
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Steven Wu [Thu, 10 Sep 2015 16:32:28 +0000 (16:32 +0000)]
Fix an undefined behavior introduces in r247234
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247296
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Sanjay Patel [Thu, 10 Sep 2015 16:31:19 +0000 (16:31 +0000)]
80-cols; NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247295
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Sanjay Patel [Thu, 10 Sep 2015 16:25:38 +0000 (16:25 +0000)]
use range-based for loop; NFCI
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247294
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Sanjay Patel [Thu, 10 Sep 2015 16:15:21 +0000 (16:15 +0000)]
use range-based for loop; NFCI
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247293
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Vedant Kumar [Thu, 10 Sep 2015 16:02:24 +0000 (16:02 +0000)]
[Bitcode] Add xfail test for PR24755 (uselistorder)
This test stresses verify-uselistorder. PR24755 is caused by our
ignoring uses when they occur in the function personality slot, the
prologue data slot, or the prefix data slot.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247292
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Sanjay Patel [Thu, 10 Sep 2015 15:14:34 +0000 (15:14 +0000)]
fix typo; NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247287
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Alex Lorenz [Thu, 10 Sep 2015 14:04:34 +0000 (14:04 +0000)]
Fix PR 24724 - The implicit register verifier shouldn't assume certain operand
order.
The implicit register verifier in the MIR parser should only check if the
instruction's default implicit operands are present in the instruction. It
should not check the order in which they occur.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247283
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Rafael Espindola [Thu, 10 Sep 2015 13:44:28 +0000 (13:44 +0000)]
Cleaning up LLVM IR mode for Emacs.
I've made a range of improvements to the Emacs mode for LLVM IR.
Most importantly, it changes llvm-mode to inherit from prog-mode. This
means llvm-mode will be treated as a normal programming mode in Emacs,
so many Emacs features will just work. prog-mode is new to Emacs 24,
so I've added an alias to ensure compatibility with Emacs 23 too.
I've changed the mode definition to use define-derived-mode. This
saves us needing to set up local variables ourselves, and saves us
needing to define llvm-mode-map, llvm-mode-abbrev-table,
llvm-mode-map.
I've removed the keybindings to tab-to-tab-stop, center-line and
center-paragraph. This shouldn't be llvm-mode's responsibility, and
the code didn't actually work anyway (since `(not llvm-mode-map)`
always evaluated to `t`, the keybindings were never executed).
I've simplified the syntax-table definition, it's equivalent (e.g. `"`
is treated as string delimiter by default in Emacs). I've added `.` as
a symbol constituent, so functions like `llvm.memset.p0i8.i32` are
recognised as a single symbol. I've also changed `%` to be a symbol
constituent, so users can move between words or symbols at their
choice, rather than conflating the two.
I've fixed regexp for types, which incorrect used `symbol` instead of
`symbols` as an argument to `regexp-opt`. This was causing incorrect
highlighting on lines like `call void @foovoid`.
I've removed string and comment highlighting from
`llvm-font-lock-keywords`. This is already handled by the
syntax-table.
Finally, I've removed the reference to jasmin. That project is long
abandoned and the link 404s. For reference, I've found an old copy of
the project here:
https://github.com/stevej/emacs/blob/master/vendor/jasmin/jasmin.el
Patch by Wilfred Hughes!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247281
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Igor Breger [Thu, 10 Sep 2015 12:54:54 +0000 (12:54 +0000)]
AVX512: Implemented encoding and intrinsics for
vextracti64x4 ,vextracti64x2, vextracti32x8, vextracti32x4, vextractf64x4, vextractf64x2, vextractf32x8, vextractf32x4
Added tests for intrinsics and encoding.
Differential Revision: http://reviews.llvm.org/D11802
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247276
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Aaron Ballman [Thu, 10 Sep 2015 12:53:40 +0000 (12:53 +0000)]
Silencing C4141 warnings that were introduced en masse because __forceinline cannot be combined with inline in MSVC without triggering this diagnostic. This is safe to disable because clang will catch instances of the issue with -Wduplicate-decl-specifier, so we are not losing diagnostic coverage.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247275
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Benjamin Kramer [Thu, 10 Sep 2015 11:59:55 +0000 (11:59 +0000)]
[FileCheck] Use range-based for loops. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247272
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Jakub Kuderski [Thu, 10 Sep 2015 11:31:20 +0000 (11:31 +0000)]
There is a trunc(lshr (zext A), Cst) optimization in InstCombineCasts that
removes cast by performing the lshr on smaller types. However, currently there
is no trunc(lshr (sext A), Cst) variant.
This patch add such optimization by transforming trunc(lshr (sext A), Cst)
to ashr A, Cst.
Differential Revision: http://reviews.llvm.org/D12520
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247271
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Chandler Carruth [Thu, 10 Sep 2015 11:17:49 +0000 (11:17 +0000)]
[ADT] Rewrite the StringRef::find implementation to be simpler, clearer,
and tremendously less reliant on the optimizer to fix things.
The code is always necessarily looking for the entire length of the
string when doing the equality tests in this find implementation, but it
previously was needlessly re-checking the size each time among other
annoyances.
By writing this so simply an ddirectly in terms of memcmp, it also is
about 8x faster in a debug build, which in turn makes FileCheck about 2x
faster in 'ninja check-llvm'. This saves about 8% of the time for
FileCheck-heavy parts of the test suite like the x86 backend tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247269
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Silviu Baranga [Thu, 10 Sep 2015 10:34:34 +0000 (10:34 +0000)]
[DAGCombine] Truncate BUILD_VECTOR operators if necessary when constant folding vectors
Summary:
The BUILD_VECTOR node will truncate its operators to match the
type. We need to take this into account when constant folding -
we need to perform a truncation before constant folding the elements.
This is because the upper bits can change the result, depending on
the operation type (for example this is the case for min/max).
This change also adds a regression test.
Reviewers: jmolloy
Subscribers: jmolloy, llvm-commits
Differential Revision: http://reviews.llvm.org/D12697
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247265
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James Molloy [Thu, 10 Sep 2015 10:22:20 +0000 (10:22 +0000)]
Enable GlobalsAA by default
This can give significant improvements to alias analysis in some situations, and improves its testing coverage in all situations.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247264
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James Molloy [Thu, 10 Sep 2015 10:22:12 +0000 (10:22 +0000)]
Add GlobalsAA as preserved to a bunch of transforms
GlobalsAA must by definition be preserved in function passes, but the passmanager doesn't know that. Make each pass explicitly preserve GlobalsAA.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247263
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Chandler Carruth [Thu, 10 Sep 2015 09:46:47 +0000 (09:46 +0000)]
[ADT] Force inline several super boring and unusually hot methods on
SmallVector to further help debug builds not waste their time calling
one line functions.
To give you an idea of why this is worthwhile, this change alone gets
another >10% reduction in the runtime of TripleTest.Normalization! It's
now under 9 seconds for me. Sadly, this is the end of the easy wins for
that test. Anything further will require some different architecture of
the test itself. Still, I'm pretty happy. 'check-llvm' now is under 35s
for me.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247259
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Chandler Carruth [Thu, 10 Sep 2015 09:25:59 +0000 (09:25 +0000)]
[ADT] Micro-optimize and force inlining for string switches.
These are now quite heavily used in unit tests and the host tools,
making it worth having them be reasonably fast even in an unoptimized
build. This change reduces the total runtime of TripleTest.Normalization
by yet another 10% to 15%. It is now under 10 seconds on my machine, and
the total check-llvm time has dropped from 38s to around 36s.
I experimented with a number of different options, and the code pattern
here consistently seemed to lower the cleanest, likely due to the
significantly simple CFG and far fewer redundant tests of 'Result'.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247257
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James Molloy [Thu, 10 Sep 2015 08:42:28 +0000 (08:42 +0000)]
[ARM] Do not use vtrn for vectorshuffle if the order is reversed
The tests in isVTRNMask and isVTRN_v_undef_Mask should also check that the elements of the upper and lower half of the vectorshuffle occur in the correct order when both halves are used. Without this test the code assumes that it is correct to use vector transpose (vtrn) for the masks <1, 1, 0, 0> and <1, 3, 0, 2>, among others, but the transpose actually incorrectly generates shuffles for <0, 0, 1, 1> and <0, 2, 1, 3> in this case.
Patch by Jeroen Ketema!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247254
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Chandler Carruth [Thu, 10 Sep 2015 08:29:35 +0000 (08:29 +0000)]
[ADT] Apply a large hammer to StringRef functions: attribute always_inline.
The logic of this follows something Howard does in libc++ and something
I discussed with Chris eons ago -- for a lot of functions, there is
really no benefit to preserving "debug information" by leaving the
out-of-line even in debug builds. This is especially true as we now do
a very good job of preserving most debug information even in the face of
inlining. There are a bunch of methods in StringRef that we are paying
a completely unacceptable amount for with every debug build of every
LLVM developer.
Some day, we should fix Clang/LLVM so that developers can reasonable
use a default of something other than '-O0' and not waste their lives
waiting on *completely* unoptimized code to execute. We should have
a default that doesn't impede debugging while providing at least
plausable performance.
But today is not that day.
So today, I'm applying always_inline to the functions that are really
hurting the critical path for stuff like 'check_llvm'. I'm being very
cautious here, but there are a few other APIs that we really should do
this for as a matter of pragmatism. Hopefully we can rip this out some
day.
With this change, TripleTest.Normalization runtime decreases by over
10%, and the total 'check-llvm' time on my 48-core box goes from 38s to
just under 37s.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247253
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Chandler Carruth [Thu, 10 Sep 2015 08:29:30 +0000 (08:29 +0000)]
[Support] Fix the always_inline attribute macro to not include the
'inline' specifier. That specifier may or may not be valid for a given
function, or it may be required for correct linkage even when the
compiler doesn't support the always_inline attribute.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247252
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Chandler Carruth [Thu, 10 Sep 2015 07:51:43 +0000 (07:51 +0000)]
[ADT] Micro-optimize the Triple constructor by doing a single split and
re-using the resulting components rather than repeatedly splitting and
re-splitting to compute each component as part of the initializer list.
This is more work on PR23676. Sadly, it doesn't help much. It removes
the constructor from my profile, but doesn't make a sufficient dent in
the total time. But it should play together nicely with subsequent
changes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247250
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Chandler Carruth [Thu, 10 Sep 2015 07:51:37 +0000 (07:51 +0000)]
[ADT] Fix a confusing interface spec and some annoying peculiarities
with the StringRef::split method when used with a MaxSplit argument
other than '-1' (which nobody really does today, but which should
actually work).
The spec claimed both to split up to MaxSplit times, but also to append
<= MaxSplit strings to the vector. One of these doesn't make sense.
Given the name "MaxSplit", let's go with it being a max over how many
*splits* occur, which means the max on how many strings get appended is
MaxSplit+1. I'm not actually sure the implementation correctly provided
this logic either, as it used a really opaque loop structure.
The implementation was also playing weird games with nullptr in the data
field to try to rely on a totally opaque hidden property of the split
method that returns a pair. Nasty IMO.
Replace all of this with what is (IMO) simpler code that doesn't use the
pair returning split method, and instead just finds each separator and
appends directly. I think this is a lot easier to read, and it most
definitely matches the spec. Added some tests that exercise the corner
cases around StringRef() and StringRef("") that all now pass.
I'll start using this in code in the next commit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247249
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NAKAMURA Takumi [Thu, 10 Sep 2015 07:16:42 +0000 (07:16 +0000)]
GlobalsAAResult(&&): Move every members.
Or, one of MSVC builders failed with unexpected behavior.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247247
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Elena Demikhovsky [Thu, 10 Sep 2015 06:33:13 +0000 (06:33 +0000)]
Added isUndef() interface for SDNode
Differential Revision: http://reviews.llvm.org/D12720
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247246
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Chandler Carruth [Thu, 10 Sep 2015 06:12:31 +0000 (06:12 +0000)]
[ADT] Switch a bunch of places in LLVM that were doing single-character
splits to actually use the single character split routine which does
less work, and in a debug build is *substantially* faster.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247245
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Chandler Carruth [Thu, 10 Sep 2015 06:07:03 +0000 (06:07 +0000)]
[ADT] Add a single-character version of the small vector split routine
on StringRef. Finding and splitting on a single character is
substantially faster than doing it on even a single character StringRef
-- we immediately get to a *very* tuned memchr call this way.
Even nicer, we get to this even in a debug build, shaving 18% off the
runtime of TripleTest.Normalization, helping PR23676 some more.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247244
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Chandler Carruth [Thu, 10 Sep 2015 05:47:43 +0000 (05:47 +0000)]
Add a way to skip the Go bindings tests even when Go is configured in
CMake.
The Go bindings tests in an unoptimized build take over 30 seconds for
me, making it the slowest test in 'check-llvm' by a factor of two.
I've only rigged this up fully to the CMake build. If someone is
interested in rigging it up to the autoconf build, they're welcome to do
so.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247243
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Sanjoy Das [Thu, 10 Sep 2015 05:27:38 +0000 (05:27 +0000)]
[ScalarEvolution] Fix PR24757.
Summary:
PR24757 was caused by some incorect math in
`ScalarEvolution::HowFarToZero` -- the smallest unsigned solution for X
in
2^N * A = 2^N * X
is not necessarily A.
Reviewers: atrick, majnemer, meheff
Subscribers: llvm-commits, sanjoy
Differential Revision: http://reviews.llvm.org/D12721
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247242
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Chandler Carruth [Thu, 10 Sep 2015 04:22:36 +0000 (04:22 +0000)]
[LPM] Simplify this code and fix a compile error for compilers that
don't correctly implement the scoping rules of C++11 range based for
loops. This kind of aliasing isn't a good idea anyways (and wasn't
really intended).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247241
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Chandler Carruth [Thu, 10 Sep 2015 02:31:42 +0000 (02:31 +0000)]
[LPM] Use a map from analysis ID to immutable passes in the legacy pass
manager to avoid a slow linear scan of every immutable pass and on every
attempt to find an analysis pass.
This speeds up 'check-llvm' on an unoptimized build for me by 15%, YMMV.
It should also help (a tiny bit) other folks that are really
bottlenecked on repeated runs of tiny pass pipelines across small IR
files.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247240
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Kit Barton [Thu, 10 Sep 2015 01:55:44 +0000 (01:55 +0000)]
Enable the shrink wrapping optimization for PPC64.
The changes in this patch are as follows:
1. Modify the emitPrologue and emitEpilogue methods to work properly when the prologue and epilogue blocks are not the first/last blocks in the function
2. Fix a bug in PPCEarlyReturn optimization caused by an empty entry block in the function
3. Override the runShrinkWrap PredicateFtor (defined in TargetMachine) to check whether shrink wrapping should run:
Shrink wrapping will run on PPC64 (Little Endian and Big Endian) unless -enable-shrink-wrap=false is specified on command line
A new test case, ppc-shrink-wrapping.ll was created based on the existing shrink wrapping tests for x86, arm, and arm64.
Phabricator review: http://reviews.llvm.org/D11817
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247237
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Ahmed Bougacha [Thu, 10 Sep 2015 01:54:43 +0000 (01:54 +0000)]
[AArch64] Match FI+offset in STNP addressing mode.
First, we need to teach isFrameOffsetLegal about STNP.
It already knew about the STP/LDP variants, but those were probably
never exercised, because it's only the load/store optimizer that
generates STP/LDP, and the only user of the method is frame lowering,
which runs earlier.
The STP/LDP cases were wrong: they didn't take into account the fact
that they return two results, not one, so the immediate offset will be
the 4th operand, not the 3rd.
Follow-up to r247234.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247236
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Davide Italiano [Thu, 10 Sep 2015 01:50:00 +0000 (01:50 +0000)]
[MC] Convert all the remaining tests from macho-dump to llvm-readobj.
This sort-of deprecates macho-dump. It may take still a little while
to garbage collect it, but at least there's no real usage of it in
the tree anymore. New tests should always rely on llvm-readobj or
llvm-objdump.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247235
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Ahmed Bougacha [Thu, 10 Sep 2015 01:48:29 +0000 (01:48 +0000)]
[AArch64] Match base+offset in STNP addressing mode.
Followup to r247231.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247234
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Mehdi Amini [Thu, 10 Sep 2015 01:45:55 +0000 (01:45 +0000)]
Makes EmitRecord() accepting ArrayRef and raw array (NFC)
After r247186, a vector is no longer needed as the push_front for
the code is removed.
From: Mehdi Amini <mehdi.amini@apple.com>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247232
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Ahmed Bougacha [Thu, 10 Sep 2015 01:42:28 +0000 (01:42 +0000)]
[AArch64] Support selecting STNP.
We could go through the load/store optimizer and match STNP where
we would have matched a nontemporal-annotated STP, but that's not
reliable enough, as an opportunistic optimization.
Insetad, we can guarantee emitting STNP, by matching them at ISel.
Since there are no single-input nontemporal stores, we have to
resort to some high-bits-extracting trickery to generate an STNP
from a plain store.
Also, we need to support another, LDP/STP-specific addressing mode,
base + signed scaled 7-bit immediate offset.
For now, only match the base. Let's make it smart separately.
Part of PR24086.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247231
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Matt Arsenault [Thu, 10 Sep 2015 01:23:28 +0000 (01:23 +0000)]
AMDGPU/SI: Fix more cases of losing exec operands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247230
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Matt Arsenault [Thu, 10 Sep 2015 01:06:06 +0000 (01:06 +0000)]
AMDGPU/SI: Fix creating v_mov_b32s without exec uses
This will be caught by existing tests with a
verifier check to be added in a future commit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247229
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Hans Wennborg [Thu, 10 Sep 2015 00:57:26 +0000 (00:57 +0000)]
Revert r247216: "Fix Clang-tidy misc-use-override warnings, other minor fixes"
This caused build breakges, e.g.
http://lab.llvm.org:8011/builders/clang-x86_64-ubuntu-gdb-75/builds/24926
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247226
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Ahmed Bougacha [Thu, 10 Sep 2015 00:53:15 +0000 (00:53 +0000)]
[CodeGen] Make x86 nontemporal store patfrags generic. NFC.
To be used by other targets.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247225
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Philip Reames [Thu, 10 Sep 2015 00:44:10 +0000 (00:44 +0000)]
[RewriteStatepointsForGC] Minor refactor to use shared implementation [NFC]
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247223
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Philip Reames [Thu, 10 Sep 2015 00:32:56 +0000 (00:32 +0000)]
[RewriteStatepointsForGC] Strengthen a confusingly weak assertion [NFC]
The assertion was weaker than it should be and gave the impression we're growing the number of base defining values being considered during the fixed point interation. That's not true. The tighter form of the assert is useful documentation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247221
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Philip Reames [Thu, 10 Sep 2015 00:27:50 +0000 (00:27 +0000)]
[RewriteStatepointsForGC] One last bit of naming [NFCI]
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247220
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