OSDN Git Service
Evgeniy Stepanov [Thu, 5 Jun 2014 14:34:45 +0000 (14:34 +0000)]
[asancov] Fix coverage line info some more.
Now it should always point to the opening brace of the function (in
-asan-coverage=1 mode).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210266
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Evgeniy Stepanov [Thu, 5 Jun 2014 14:32:15 +0000 (14:32 +0000)]
Add missing const specifier to a const method.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210265
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Ulrich Weigand [Thu, 5 Jun 2014 14:20:54 +0000 (14:20 +0000)]
XFAIL: test/DebugInfo/missing-abstract-variable.ll on s390x as well
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210264
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Ulrich Weigand [Thu, 5 Jun 2014 14:20:10 +0000 (14:20 +0000)]
[SystemZ] Do not install IfConverter pass at -O0
When not optimizing, do not run the IfConverter pass, this makes
debugging more difficult (and causes a testsuite failure in
DebugInfo/unconditional-branch.ll).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210263
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Sasa Stankovic [Thu, 5 Jun 2014 13:52:08 +0000 (13:52 +0000)]
[mips] Modify long branch for NaCl:
* Move the instruction that changes sp outside of the branch delay slot.
* Bundle-align the target of indirect branch.
Differential Revision: http://llvm-reviews.chandlerc.com/D3928
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210262
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Sasa Stankovic [Thu, 5 Jun 2014 13:42:48 +0000 (13:42 +0000)]
Prevent hoisting the instruction whose def might be clobbered by the terminator.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210261
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Matheus Almeida [Thu, 5 Jun 2014 12:07:14 +0000 (12:07 +0000)]
[mips] Fix triple.
Mips2 is a 32-bit architecture.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210254
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Iain Sandoe [Thu, 5 Jun 2014 08:49:55 +0000 (08:49 +0000)]
lld (build with configur and make) Enable build
r210177 added Makefiles to the lld project.
This revision enables the automatic build of lld when the sources are found in tools/lld.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210245
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Matt Arsenault [Thu, 5 Jun 2014 08:00:36 +0000 (08:00 +0000)]
R600: Fix test. Using wrong check prefix.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210244
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Nick Lewycky [Thu, 5 Jun 2014 04:31:43 +0000 (04:31 +0000)]
Fix coverage for files with global constructors again. Adds a testcase to the commit from r206671, as requested by David Blaikie.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210239
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David Blaikie [Thu, 5 Jun 2014 02:04:59 +0000 (02:04 +0000)]
Revert r210221 again, due to a crash Richard Smith has provided involving self-hosting LLVM with libc++.
Test case coming, once I reduce it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210236
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David Blaikie [Thu, 5 Jun 2014 01:30:50 +0000 (01:30 +0000)]
DebugInfo: Reuse existing LexicalScope to retrieve the scope's MDNode, rather than looking it up through the DebugLoc.
No functional change intended, just streamlines the abstract variable
lookup/construction to use a common entry point.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210234
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David Blaikie [Thu, 5 Jun 2014 01:04:20 +0000 (01:04 +0000)]
DebugInfo: Roll argument insertion into variable insertion to ensure arguments are correctly handled in all cases.
No functional change intended.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210233
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David Blaikie [Thu, 5 Jun 2014 00:51:35 +0000 (00:51 +0000)]
PR19388: DebugInfo: Emit dead arguments in their originally declared order.
Unused arguments were not being added to the argument list, but instead
treated as arbitrary scope variables. This meant they weren't carefully
added in the original argument order.
In this particular example, though, it turns out the argument is only
/mostly/ unused (well, actually it's entirely used, but in a specific
way). It's a struct that, due to ABI reasons, is decomposed into chunks
(exactly one chunk, since it has one member) and then passed. Since only
one of those chunks is used (SROA, etc, kill the original reconstitution
code) we don't have a location to describe the whole variable.
In this particular case, since the struct consists of just the one int,
once we have partial location information, this should have a location
that describes the entire variable (since the piece is the entirety of
the object).
And at some point we'll need to describe the location of even /entirely/
unused arguments so that they can at least be printed on function entry.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210231
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Alexey Samsonov [Thu, 5 Jun 2014 00:25:30 +0000 (00:25 +0000)]
Use AArch64 instead of now removed ARM64 in test configs
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210229
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David Blaikie [Thu, 5 Jun 2014 00:25:26 +0000 (00:25 +0000)]
DebugInfo: Add comments/assert description to r209674 based on Eric Christopher's post-commit review feedback.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210228
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Eric Christopher [Thu, 5 Jun 2014 00:22:13 +0000 (00:22 +0000)]
We've got a getSlotSize call already that we use everywhere else,
use it here too.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210227
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Matt Arsenault [Thu, 5 Jun 2014 00:15:55 +0000 (00:15 +0000)]
R600/SI: Match rsq instructions
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210226
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Eric Christopher [Thu, 5 Jun 2014 00:09:08 +0000 (00:09 +0000)]
80-columns.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210224
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Eric Christopher [Thu, 5 Jun 2014 00:09:05 +0000 (00:09 +0000)]
Remove uses of the TargetMachine from X86FrameLowering.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210223
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Matt Arsenault [Thu, 5 Jun 2014 00:01:12 +0000 (00:01 +0000)]
Use nullptr
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210222
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David Blaikie [Wed, 4 Jun 2014 23:50:52 +0000 (23:50 +0000)]
DebugInfo: Reapply r209984 (reverted in r210143), asserting that abstract DbgVariables have DIEs.
Abstract variables within abstract scopes that are entirely optimized
away in their first inlining are omitted because their scope is not
present so the variable is never created. Instead, we should ensure the
scope is created so the variable can be added, even if it's been
optimized away in its first inlining.
This fixes the incorrect debug info in missing-abstract-variable.ll
(added in r210143) and passes an asserts self-hosting build, so
hopefully there's not more of these issues left behind... *fingers
crossed*.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210221
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Nick Lewycky [Wed, 4 Jun 2014 21:47:19 +0000 (21:47 +0000)]
Explain why we skip DbgInfoIntrinsics when looking at line numbers in .gcno file emission.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210218
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Hans Wennborg [Wed, 4 Jun 2014 21:04:54 +0000 (21:04 +0000)]
Don't emit structors for available_externally globals (PR19933)
We would previously assert here when trying to figure out the section
for the global.
This makes us handle the situation more gracefully since the IR isn't
malformed.
Differential Revision: http://reviews.llvm.org/D4022
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210215
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Rafael Espindola [Wed, 4 Jun 2014 19:01:48 +0000 (19:01 +0000)]
Add a Constant version of stripPointerCasts.
Thanks to rnk for the suggestion.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210205
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Rafael Espindola [Wed, 4 Jun 2014 18:51:31 +0000 (18:51 +0000)]
Clauses in a landingpad are always Constant. Use a stricter type.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210203
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Yaron Keren [Wed, 4 Jun 2014 17:35:28 +0000 (17:35 +0000)]
Two small enhancements for the JIT.
When JITting a large project such as Boost it's quite hard to figure out the problematic inline asm without debug location. This patch provides debug location printout before the JIT aborts due to inline asm. printDebugLoc() was exposed from MachineInstr.cpp and reused here.
If the JIT run with debug info, don't bomb on DBG_VALUE but ignore them.
http://reviews.llvm.org/D3416
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210201
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David Blaikie [Wed, 4 Jun 2014 17:05:23 +0000 (17:05 +0000)]
XFAIL: test/DebugInfo/missing-abstract-variable.ll on mips and ppc64 due to an inlined parameter that goes missing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210200
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Saleem Abdulrasool [Wed, 4 Jun 2014 16:03:20 +0000 (16:03 +0000)]
tools: fix parenthesis warning from GCC
Add parenthesis as suggested by GCC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210194
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Saleem Abdulrasool [Wed, 4 Jun 2014 16:03:18 +0000 (16:03 +0000)]
tools: fix silly typo in llvm-readobj
Case insensitive case preserving file systems are not a good choice for
development.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210193
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Saleem Abdulrasool [Wed, 4 Jun 2014 15:47:15 +0000 (15:47 +0000)]
tools: initial implementation of WoA EH decoding
Add support to llvm-readobj to decode Windows ARM Exception Handling data. This
uses the previously added datastructures to decode the information into a format
that can be used by tests. This is a necessary step to add support for emitting
Windows on ARM exception handling information.
A fair amount of formatting inspiration is drawn from the Win64 EH printer as
well as the ARM EHABI printer. This allows for a reasonably thorough look into
the encoded data.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210192
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Saleem Abdulrasool [Wed, 4 Jun 2014 15:47:11 +0000 (15:47 +0000)]
tools: introduce StreamWriter::printBoolean
Add a helper print method to print a boolean value as "Yes" or "No". This is
intended to be used by the Windows ARM EH printer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210191
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Saleem Abdulrasool [Wed, 4 Jun 2014 15:47:07 +0000 (15:47 +0000)]
Support: style/documentation cleanup for format
This is purely a documentation/whitespace cleanup for the format support
functions.
The current style does not duplicate the function/class names in the
documentation; conform to this style.
Additionally, there was a large amount of duplication of comments that added no
real value. Use block comments for the related sets of functions which are used
for type deduction and parameter container classes.
No functional change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210190
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Saleem Abdulrasool [Wed, 4 Jun 2014 15:47:04 +0000 (15:47 +0000)]
Support: add additional comment for ARM EH structure
Replicate the fact that ARM::WinEH::RuntimeFunction purposefully does not merge
functions to accommodate raw data access use cases in tools such as readobj.
Pointed out by Renato during post-commit review.
No functional change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210189
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Rafael Espindola [Wed, 4 Jun 2014 15:39:14 +0000 (15:39 +0000)]
InstCombine: Improvement to check if signed addition overflows.
This patch implements two things:
1. If we know one number is positive and another is negative, we return true as
signed addition of two opposite signed numbers will never overflow.
2. Implemented TODO : If one of the operands only has one non-zero bit, and if
the other operand has a known-zero bit in a more significant place than it
(not including the sign bit) the ripple may go up to and fill the zero, but
won't change the sign. e.x - (x & ~4) + 1
We make sure that we are ignoring 0 at MSB.
Patch by Suyog Sarda.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210186
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Tilmann Scheller [Wed, 4 Jun 2014 12:40:35 +0000 (12:40 +0000)]
[AArch64] clang-format the load/store optimizer.
No change in functionality.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210182
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Tilmann Scheller [Wed, 4 Jun 2014 12:36:28 +0000 (12:36 +0000)]
[AArch64] Fix some LLVM Coding Standards violations in the load/store optimizer.
Variable names should start with an upper case letter.
No change in functionality.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210181
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Patrik Hagglund [Wed, 4 Jun 2014 11:21:11 +0000 (11:21 +0000)]
Fix gcc -Wparentheses warning.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210178
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Nick Lewycky [Wed, 4 Jun 2014 07:45:54 +0000 (07:45 +0000)]
Fix a use of uninitialized value. OldCC is set when IsCmpZero || IsSwapped and read when ShouldUpdateCC || IsSwapped, and ShouldUpdateCC is independent. Fixes PR19932, but no test since I wasn't able to get any symptoms to appear, not even with valgrind and the testcase from the PR. It's clear what happened from inspection of the code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210168
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Andrew Trick [Wed, 4 Jun 2014 07:06:27 +0000 (07:06 +0000)]
Add a subtarget hook: enablePostMachineScheduler.
As requested by AArch64 subtargets.
Note that this will have no effect until the
AArch64 target actually enables the pass like this:
substitutePass(&PostRASchedulerID, &PostMachineSchedulerID);
As soon as armv7 switches over, PostMachineScheduler will become the
default postRA scheduler, so this won't be necessary any more.
Targets using the old postRA schedule would then do:
substitutePass(&PostMachineSchedulerID, &PostRASchedulerID);
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210167
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Andrew Trick [Wed, 4 Jun 2014 07:06:18 +0000 (07:06 +0000)]
Move GenericScheduler and PostGenericScheduler into a header.
These were not exposed previously because I didn't want out-of-tree
targets to be too dependent on their internals. They can be reused for
a very wide variety of processors with casual scheduling needs without
exposing the classes by instead using hooks defined in
MachineSchedPolicy (we can add more if needed). When targets are more
aggressively tuned or want to provide custom heuristics, they can
define their own MachineSchedStrategy. I tend to think this is better
once you start customizing heuristics because you can copy over only
what you need. I don't think that layering heuristics generally works
well.
However, Arch64 targets now want to reuse the Generic scheduling logic
but also provide extensions. I don't see much harm in exposing the
Generic scheduling classes with a major caveat: these scheduling
strategies may change in the future without validating performance on
less mainstream processors. If you want to be immune from changes,
just define your own MachineSchedStrategy.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210166
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Justin Bogner [Wed, 4 Jun 2014 06:29:38 +0000 (06:29 +0000)]
docs: Remove documentation for legacy PGO options
Late last year r191835 removed a largely unmaintained legacy PGO
infrastructure, but some of the docs were missed. Since these docs are
for things that don't actually exist anymore, they should be removed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210165
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Simon Atanasyan [Wed, 4 Jun 2014 05:51:44 +0000 (05:51 +0000)]
[Object][ELF] Range-based loop simplification.
No functional changes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210164
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Alp Toker [Wed, 4 Jun 2014 04:11:12 +0000 (04:11 +0000)]
GraphWriter: try gv before xdg-open
Avoid changing behaviour for everyone who's used to the traditional ghostview
UI, especially since it knows how to stay in the foreground unlike xdg-open.
Amendment to r210147.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210148
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Alp Toker [Wed, 4 Jun 2014 03:57:44 +0000 (03:57 +0000)]
GraphWriter: support the XDG open utility
This runs a suitable viewer on Unix desktop environments specified by
Freedesktop.org (GNOME, KDE, Linux distributions etc.)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210147
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Alp Toker [Wed, 4 Jun 2014 03:21:38 +0000 (03:21 +0000)]
config.h: fix layering and don't duplicate definitions
Also correct the llvm-config.h header guard so it doesn't depend on 'CONFIG_H'
which is commonly defined in external projects and caused trouble for
embedders.
In future llvm/Config/llvm-config.h will be installed, but not
the private llvm/Config/config.h header.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210144
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David Blaikie [Wed, 4 Jun 2014 01:30:59 +0000 (01:30 +0000)]
DebugInfo: Partial revert r209984 due to more cases where abstract DbgVariables do not have associated DIEs.
Along with a test case to demonstrate that due to inlining order there
are cases where abstract variable DIEs are not constructed since the
abstract subprogram was built due to a previous inlining that optimized
away those variables. This produces incorrect debug info (the 'missing'
abstract variable causes the inlined instance of that variable to be
emitted with a full description (name, line, file) rather than
referencing the abstract origin), but this commit at least ensures that
it doesn't crash...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210143
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Matt Arsenault [Tue, 3 Jun 2014 23:06:13 +0000 (23:06 +0000)]
Fix typos
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210135
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Pete Cooper [Tue, 3 Jun 2014 22:42:10 +0000 (22:42 +0000)]
Calculate dead instructions when a live interval is created.
This gets us closer to being able to remove LiveVariables entirely which is where dead instructions are currently tagged as such.
Reviewed by Jakob Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210132
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Eric Christopher [Tue, 3 Jun 2014 21:01:39 +0000 (21:01 +0000)]
Revert r209381 as it isn't a local variable. Add a testcase so that
we know next time this happens.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210127
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Eric Christopher [Tue, 3 Jun 2014 21:01:35 +0000 (21:01 +0000)]
Fixup formatting in the pass.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210126
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Rafael Espindola [Tue, 3 Jun 2014 20:25:26 +0000 (20:25 +0000)]
Update comments to match reality.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210125
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Rafael Espindola [Tue, 3 Jun 2014 20:07:32 +0000 (20:07 +0000)]
Fix a small bug in the parsing of anonymous globals.
It was able to parse
hidden dllexport global i32 42
but not
dllexport global i32 42
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210121
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Rafael Espindola [Tue, 3 Jun 2014 20:00:20 +0000 (20:00 +0000)]
Simplify the parsing of unnamed globals. No functionality changed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210120
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Rafael Espindola [Tue, 3 Jun 2014 19:38:37 +0000 (19:38 +0000)]
Update comment. This should have been part of r210062.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210119
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Alp Toker [Tue, 3 Jun 2014 19:06:49 +0000 (19:06 +0000)]
Remove some redundant doc comments
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210118
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Tilmann Scheller [Tue, 3 Jun 2014 16:33:13 +0000 (16:33 +0000)]
[AArch64] Fix typo in load/store optimizer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210114
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Tilmann Scheller [Tue, 3 Jun 2014 16:03:00 +0000 (16:03 +0000)]
[AArch64] Add regression tests for the load/store optimizer which cover post-index update folding with sub rather than add.
The tests check that the following transform happens:
(ldr|str) X, [x20]
...
sub x20, x20, #16
->
(ldr|str) X, [x20], #-16
with X being either w0, x0, s0, d0 or q0.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210113
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Rafael Espindola [Tue, 3 Jun 2014 15:06:22 +0000 (15:06 +0000)]
Implement one operator== with another.
Thanks for David Blaikie for the suggestion.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210107
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Evgeniy Stepanov [Tue, 3 Jun 2014 14:16:00 +0000 (14:16 +0000)]
[asan] Fix coverage instrumentation with -asan-globals=0.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210103
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Tim Northover [Tue, 3 Jun 2014 13:54:53 +0000 (13:54 +0000)]
AArch64: mark small types (i1, i8, i16) as promoted
This means the output of LowerFormalArguments returns a lowered
SDValue with the correct type (expected in SelectionDAGBuilder).
Without this, an assertion under a DEBUG macro triggers when those
types are passed on the stack.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210102
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Rafael Espindola [Tue, 3 Jun 2014 13:26:18 +0000 (13:26 +0000)]
Add operator== and operator!= to compare with nullptr.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210100
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Rafael Espindola [Tue, 3 Jun 2014 05:26:12 +0000 (05:26 +0000)]
Use an enum class.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210078
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Rafael Espindola [Tue, 3 Jun 2014 05:12:33 +0000 (05:12 +0000)]
Use an enum class.
Might also fix the windows build.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210077
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Rafael Espindola [Tue, 3 Jun 2014 05:05:15 +0000 (05:05 +0000)]
Remove the last unspecified_bool_type from llvm.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210076
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Rafael Espindola [Tue, 3 Jun 2014 04:54:15 +0000 (04:54 +0000)]
Make this operator bool() explicit to match the standard library.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210073
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Rafael Espindola [Tue, 3 Jun 2014 04:42:24 +0000 (04:42 +0000)]
Make this operator bool() explicit to match the standard library.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210072
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Nick Lewycky [Tue, 3 Jun 2014 04:25:36 +0000 (04:25 +0000)]
Ignore line numbers on debug intrinsics. Add an assert to ensure that we aren't emitting line number zero, the .gcno format uses this to indicate that the next field is a filename.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210068
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Jiangning Liu [Tue, 3 Jun 2014 03:25:09 +0000 (03:25 +0000)]
[AArch64] Correctly deal with VPR stack parameter passing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210067
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Alp Toker [Tue, 3 Jun 2014 03:01:03 +0000 (03:01 +0000)]
Process::GetRandomNumber(): fix insecure RNG
This could have generated non-random output under error conditions in release
builds.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210065
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Rafael Espindola [Tue, 3 Jun 2014 02:41:57 +0000 (02:41 +0000)]
Allow alias to point to an arbitrary ConstantExpr.
This patch changes GlobalAlias to point to an arbitrary ConstantExpr and it is
up to MC (or the system assembler) to decide if that expression is valid or not.
This reduces our ability to diagnose invalid uses and how early we can spot
them, but it also lets us do things like
@test5 = alias inttoptr(i32 sub (i32 ptrtoint (i32* @test2 to i32),
i32 ptrtoint (i32* @bar to i32)) to i32*)
An important implication of this patch is that the notion of aliased global
doesn't exist any more. The alias has to encode the information needed to
access it in its metadata (linkage, visibility, type, etc).
Another consequence to notice is that getSection has to return a "const char *".
It could return a NullTerminatedStringRef if there was such a thing, but when
that was proposed the decision was to just uses "const char*" for that.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210062
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Rafael Espindola [Mon, 2 Jun 2014 22:01:04 +0000 (22:01 +0000)]
Add back commit r210029.
The code was actually correct. Sorry for the confusion. I have expanded the
comment saying why the analysis is valid to avoid me misunderstaning it
again in the future.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210052
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Rafael Espindola [Mon, 2 Jun 2014 21:23:54 +0000 (21:23 +0000)]
Convert test to FileCheck.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210049
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Rafael Espindola [Mon, 2 Jun 2014 21:12:19 +0000 (21:12 +0000)]
Revert "Add the nsw flag when we detect that an add will not signed overflow."
This reverts commit r210029.
It was not correctly handling cases where LHS and RHS had multiple but different
sign bits.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210048
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Eric Christopher [Mon, 2 Jun 2014 20:51:49 +0000 (20:51 +0000)]
InitLibcallNames can take a Triple instead of a TargetMachine.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210045
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Rafael Espindola [Mon, 2 Jun 2014 19:19:04 +0000 (19:19 +0000)]
Added support to optimize comparisons with "lshr exact" of a constant.
Patch by Rahul Jain.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210040
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Alexey Samsonov [Mon, 2 Jun 2014 18:08:27 +0000 (18:08 +0000)]
Remove sanitizer blacklist from ASan/TSan/MSan function passes.
Instrumentation passes now use attributes
address_safety/thread_safety/memory_safety which are added by Clang frontend.
Clang parses the blacklist file and adds the attributes accordingly.
Currently blacklist is still used in ASan module pass to disable instrumentation
for certain global variables. We should fix this as well by collecting the
set of globals we're going to instrument in Clang and passing it to ASan
in metadata (as we already do for dynamically-initialized globals and init-order
checking).
This change also removes -tsan-blacklist and -msan-blacklist LLVM commandline
flags in favor of -fsanitize-blacklist= Clang flag.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210038
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Eric Christopher [Mon, 2 Jun 2014 17:29:07 +0000 (17:29 +0000)]
Omit else branch after return.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210034
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Andrea Di Biagio [Mon, 2 Jun 2014 16:00:27 +0000 (16:00 +0000)]
[X86] Fix checked arithmetic for i8 on X86.
When lowering a ISD::BRCOND into a test+branch, make sure that we
always use the correct condition code to emit the test operation.
This fixes PR19858: "i8 checked mul is wrong on x86".
Patch by Keno Fisher!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210032
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Rafael Espindola [Mon, 2 Jun 2014 14:32:58 +0000 (14:32 +0000)]
Add the nsw flag when we detect that an add will not signed overflow.
We already had a function for checking this, we were just using it only in
specialized cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210029
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Evgeniy Stepanov [Mon, 2 Jun 2014 12:58:08 +0000 (12:58 +0000)]
[msan] Remove an out-of-date comment.
MSan is no longer an "early prototype".
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210023
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Rafael Espindola [Mon, 2 Jun 2014 12:54:32 +0000 (12:54 +0000)]
Remove path_tclsh.m4.
Looks like it was only used by dejagnu and is now dead.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210022
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Tilmann Scheller [Mon, 2 Jun 2014 12:33:33 +0000 (12:33 +0000)]
[AArch64] Add some more regression tests for store pre-index update folding in the load/store optimizer.
Add tests for the following transform:
add x8, x8, #16
...
str X, [x8]
->
str X, [x8, #16]!
with X being either w0, x0, s0, d0 or q0.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210021
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Evgeniy Stepanov [Mon, 2 Jun 2014 12:31:44 +0000 (12:31 +0000)]
[msan] Handle x86 vector pack intrinsics.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210020
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Tilmann Scheller [Mon, 2 Jun 2014 11:57:09 +0000 (11:57 +0000)]
[AArch64] Add some more regression tests for load pre-index update folding in the load/store optimizer.
Add tests for the following transform:
add x8, x8, #16
...
ldr X, [x8]
->
ldr X, [x8, #16]!
with X being either w0, x0, s0, d0 or q0.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210018
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Dinesh Dwivedi [Mon, 2 Jun 2014 07:57:24 +0000 (07:57 +0000)]
Added inst combine tarnsform for (1 << X) & C pattrens where C is (some PowerOf2 - 1)
This patch can handles following cases from http://nondot.org/sabre/LLVMNotes/InstCombine.txt
"((1 << X) & 7) == 0" ==> "X > 2"
"((1 << X) & 7) != 0" ==> "X < 3".
Differential Revision: http://reviews.llvm.org/D3678
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210007
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Dinesh Dwivedi [Mon, 2 Jun 2014 07:24:36 +0000 (07:24 +0000)]
Added inst combine transforms for single bit tests from Chris's note
if ((x & C) == 0) x |= C becomes x |= C
if ((x & C) != 0) x ^= C becomes x &= ~C
if ((x & C) == 0) x ^= C becomes x |= C
if ((x & C) != 0) x &= ~C becomes x &= ~C
if ((x & C) == 0) x &= ~C becomes nothing
Differential Revision: http://reviews.llvm.org/D3777
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210006
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Alp Toker [Mon, 2 Jun 2014 04:34:10 +0000 (04:34 +0000)]
Silence -Wreturn-type warning
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210005
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Alp Toker [Mon, 2 Jun 2014 04:14:23 +0000 (04:14 +0000)]
GraphWriter: tweak the program fallback order
Amend r210001 to use the classic fallback order behaviour if the requested
graphing program isn't found.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210003
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Alp Toker [Mon, 2 Jun 2014 01:40:04 +0000 (01:40 +0000)]
GraphWriter: detect graph viewer programs at runtime
Replace the crufty build-time configure checks for program paths with
equivalent runtime logic.
This lets users install graphing tools as needed without having to reconfigure
and rebuild LLVM, while eliminating a long chain of inappropriate compile
dependencies that included GUI programs and the windowing system.
Additional features:
* Support the OS X 'open' command to view graphs generated by any of the
Graphviz utilities. This is an alternative to the Graphviz OS X UI which is
no longer available on Mountain Lion.
* Produce informative log output upon failure to indicate which programs can
be installed to view graphs.
Ping me if this doesn't work for your particular environment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210001
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NAKAMURA Takumi [Mon, 2 Jun 2014 01:35:34 +0000 (01:35 +0000)]
Instruction::isIdenticalToWhenDefined(): Check getNumOperands() in advance of std::equal(op) to appease MSVC Debug build.
MSVC Debug build is confused with (possibly invalid) op_begin(), if op_begin() == op_end().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210000
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Saleem Abdulrasool [Mon, 2 Jun 2014 01:17:54 +0000 (01:17 +0000)]
Support: add 6-parameter format
Since we cannot yet use variadic templates, add a specialisation for
6-parameters to format. This is motivated by a need for the additional
parameter for formatting information for an unwind decoder for Windows on ARM.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209999
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Saleem Abdulrasool [Mon, 2 Jun 2014 01:17:49 +0000 (01:17 +0000)]
Support: add Windows ARM EH data structures
Introduce the support structures necessary to deal with the Windows ARM EH data.
These definitions are extremely aggressive about assertions to aid future use
for generation of the entries and subsequent decoding.
The names for the various fields are meant to reflect the names used by the
Visual Studio toolchain to aid communication.
Due to the complexity in reading a few of the values, there are a couple of
additional utility functions to decode the information.
In general, there are two ways to encode the unwinding information:
- packed, which places the data inline into the
_IMAGE_ARM_RUNTIME_FUNCTION_ENTRY structure.
- unpacked, which places the data into auxiliary structures placed into the
.xdata section.
The set of structures allow reading of data in either encoding, with the minor
caveat that epilogue scopes need to be decoded manually by constructing the
structure from the data returned by the RuntimeFunction structure.
These definitions are meant for read-only access at the current point as the
first use of them will be to decode the exception information.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209998
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Christian Pirker [Sun, 1 Jun 2014 09:30:52 +0000 (09:30 +0000)]
ARMEB: Fix function return type f64
Reviewed at http://reviews.llvm.org/D3968
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209990
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Elena Demikhovsky [Sun, 1 Jun 2014 08:45:11 +0000 (08:45 +0000)]
Updates in IntelJITEventListener.cpp - by Arch Robison.
This patch updates IntelJITEventListener.cpp to account for revision 206654, which removed some methods from DILineInfo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209989
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Matt Arsenault [Sun, 1 Jun 2014 07:38:21 +0000 (07:38 +0000)]
R600: Set all float vector expands in the same place
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209988
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David Blaikie [Sun, 1 Jun 2014 03:38:13 +0000 (03:38 +0000)]
DebugInfo: Assert that DbgVariables have associated DIEs
This was previously committed in r209680 and reverted in r209683 after
it caused sanitizer builds to crash.
The issue seems to be that the DebugLoc associated with dbg.value IR
intrinsics isn't necessarily accurate. Instead, we duplicate the
DIVariables and add an InlinedAt field to them to record their
location.
We were using this InlinedAt field to compute the LexicalScope for the
variable, but not using it in the abstract DbgVariable construction and
mapping. This resulted in a formal parameter to the current concrete
function, correctly having no InlinedAt information, but incorrectly
having a DebugLoc that described an inlined location within the
function... thus an abstract DbgVariable was created for the variable,
but its DIE was never constructed (since the LexicalScope had no such
variable). This DbgVariable was silently ignored (by testing for a
non-null DIE on the abstract DbgVariable).
So, fix this by using the right scoping information when constructing
abstract DbgVariables.
In the long run, I suspect we want to undo the work that added this
second kind of location tracking and fix the places where the DebugLoc
propagation on the dbg.value intrinsic fails. This will shrink debug
info (by not duplicating DIVariables), make it more efficient (by not
having to construct new DIVariable metadata nodes to try to map back to
a single variable), and benefit all instructions.
But perhaps there are insurmountable issues with DebugLoc quality that
I'm unaware of... I just don't know how we can't /just keep the DebugLoc
from the dbg.declare to the dbg.values and never get this wrong/.
Some history context:
http://llvm.org/viewvc/llvm-project?view=revision&revision=135629
http://llvm.org/viewvc/llvm-project?view=revision&revision=137253
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209984
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Alp Toker [Sat, 31 May 2014 21:26:28 +0000 (21:26 +0000)]
Fix typos
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209982
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Alp Toker [Sat, 31 May 2014 21:26:17 +0000 (21:26 +0000)]
ExecutionEngine: avoid NDEBUG in headers
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209981
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Alp Toker [Sat, 31 May 2014 21:26:09 +0000 (21:26 +0000)]
Update a couple of header inclusion guards
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209980
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