| Commit message (Collapse) | Author | Age |
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Original commit message:
Implement builtins for safe division: safe.sdiv.iN, safe.udiv.iN,
safe.srem.iN, safe.urem.iN (iN = i8, i61, i32, or i64).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206735 91177308-0d34-0410-b5e6-96231b3b80d8
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safe.urem.iN (iN = i8, i16, i32, or i64).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206732 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
This prevents the discriminator generation pass from triggering if
the DWARF version being used in the module is prior to 4.
Reviewers: echristo, dblaikie
CC: llvm-commits
Differential Revision: http://reviews.llvm.org/D3413
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206507 91177308-0d34-0410-b5e6-96231b3b80d8
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These will be needed to support IR-level lowering of atomic
operations.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206489 91177308-0d34-0410-b5e6-96231b3b80d8
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clang/test/Frontend/optimization-remark.c on some hosts, including --vg.
DebugLoc in Callsite would not live after Inliner. It should be copied before Inliner.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206459 91177308-0d34-0410-b5e6-96231b3b80d8
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this code ages ago and lost track of it. Seems worth doing though --
this thing can get called from places that would benefit from knowing
that std::distance is O(1). Also add a very fledgeling unittest for
Users and make sure various aspects of this seem to work reasonably.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206453 91177308-0d34-0410-b5e6-96231b3b80d8
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Patch by: Darren Powell
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206407 91177308-0d34-0410-b5e6-96231b3b80d8
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Implement DebugInfoVerifier, which steals verification relying on
DebugInfoFinder from Verifier.
- Adds LegacyDebugInfoVerifierPassPass, a ModulePass which wraps
DebugInfoVerifier. Uses -verify-di command-line flag.
- Change verifyModule() to invoke DebugInfoVerifier as well as
Verifier.
- Add a call to createDebugInfoVerifierPass() wherever there was a
call to createVerifierPass().
This implementation as a module pass should sidestep efficiency issues,
allowing us to turn debug info verification back on.
<rdar://problem/15500563>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206300 91177308-0d34-0410-b5e6-96231b3b80d8
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its own tree containing FixedStackPseudoSourceValue (which you can use isa/dyn_cast on) and MipsCallEntry (which you can't). Anything that needs to use either a PseudoSourceValue* and Value* is strongly encouraged to use a MachinePointerInfo instead.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206255 91177308-0d34-0410-b5e6-96231b3b80d8
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instead of comparing to nullptr.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206252 91177308-0d34-0410-b5e6-96231b3b80d8
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instead of comparing to nullptr.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206243 91177308-0d34-0410-b5e6-96231b3b80d8
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instead of comparing to nullptr.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206142 91177308-0d34-0410-b5e6-96231b3b80d8
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Making them inline was a historical accident, they're neither hot nor
templated.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206109 91177308-0d34-0410-b5e6-96231b3b80d8
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http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux-bootstrap/builds/2959
The location string is returned as a std::string, not a StringRef.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206032 91177308-0d34-0410-b5e6-96231b3b80d8
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This commit adds intrinsics and codegen support for the surface read/write and texture read instructions that take an explicit sampler parameter. Codegen operates on image handles at the PTX level, but falls back to direct replacement of handles with kernel arguments if image handles are not enabled. Note that image handles are explicitly disabled for all target architectures in this change (to be enabled later).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205907 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205899 91177308-0d34-0410-b5e6-96231b3b80d8
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check instead of comparing to nullptr.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205831 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
This patch adds backend support for -Rpass=, which indicates the name
of the optimization pass that should emit remarks stating when it
made a transformation to the code.
Pass names are taken from their DEBUG_NAME definitions.
When emitting an optimization report diagnostic, the lack of debug
information causes the diagnostic to use "<unknown>:0:0" as the
location string.
This is the back end counterpart for
http://llvm-reviews.chandlerc.com/D3226
Reviewers: qcolombet
CC: llvm-commits
Differential Revision: http://llvm-reviews.chandlerc.com/D3227
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205774 91177308-0d34-0410-b5e6-96231b3b80d8
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of DW_TAG_imported_module
I really should read the spec more often (and test GCC more often too).
I just assumed that namespace aliases would be the same as using
directives, except with a name. But apparently that's not how the DWARF
standards suggests they be implemented. DWARF4 provides an example and
other non-normative text suggesting that namespace aliases be
implemented by named imported declarations intsead of named imported
modules.
So be it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205685 91177308-0d34-0410-b5e6-96231b3b80d8
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Also update a few null pointers in this function to be consistent with
new null pointers being added.
Patch by Robert Matusewicz!
Differential Revision: http://reviews.llvm.org/D3123
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205682 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205428 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205358 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205302 91177308-0d34-0410-b5e6-96231b3b80d8
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nothing to be gained from switching this over to a DIScopeRef.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205281 91177308-0d34-0410-b5e6-96231b3b80d8
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No other functionality changes, DIBuilder testcase is included in a paired
CFE commit.
This relaxes the assertion in isScopeRef to also accept subclasses of
DIScope.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205279 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205277 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205203 91177308-0d34-0410-b5e6-96231b3b80d8
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This will be used by the Clang front-end code for vabsd_s64.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205202 91177308-0d34-0410-b5e6-96231b3b80d8
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This adds a second implementation of the AArch64 architecture to LLVM,
accessible in parallel via the "arm64" triple. The plan over the
coming weeks & months is to merge the two into a single backend,
during which time thorough code review should naturally occur.
Everything will be easier with the target in-tree though, hence this
commit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205090 91177308-0d34-0410-b5e6-96231b3b80d8
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This is like the LLVMMatchType, except the verifier checks that the
second argument is a vector with the same base type and half the
number of elements.
This will be used by the ARM64 backend.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205079 91177308-0d34-0410-b5e6-96231b3b80d8
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These are used in the ARM backends to aid type-checking on patterns involving
intrinsics. By making sure one argument is an extended/truncated version of
another.
However, there's no reason to limit them to just vectors types. For example
AArch64 has the instruction "uqshrn sD, dN, #imm" which would naturally use an
intrinsic taking an i64 and returning an i32.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205003 91177308-0d34-0410-b5e6-96231b3b80d8
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This adds back r204781.
Original message:
Aliases are just another name for a position in a file. As such, the
regular symbol resolutions are not applied. For example, given
define void @my_func() {
ret void
}
@my_alias = alias weak void ()* @my_func
@my_alias2 = alias void ()* @my_alias
We produce without this patch:
.weak my_alias
my_alias = my_func
.globl my_alias2
my_alias2 = my_alias
That is, in the resulting ELF file my_alias, my_func and my_alias are
just 3 names pointing to offset 0 of .text. That is *not* the
semantics of IR linking. For example, linking in a
@my_alias = alias void ()* @other_func
would require the strong my_alias to override the weak one and
my_alias2 would end up pointing to other_func.
There is no way to represent that with aliases being just another
name, so the best solution seems to be to just disallow it, converting
a miscompile into an error.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204934 91177308-0d34-0410-b5e6-96231b3b80d8
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In CallInst, op_end() points at the callee, which we don't want to iterate over
when just iterating over arguments. Now take this into account when returning
a iterator_range from arg_operands. Similar reasoning for InvokeInst.
Also adds a unit test to verify this actually works as expected.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204851 91177308-0d34-0410-b5e6-96231b3b80d8
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Similar to r204835
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204836 91177308-0d34-0410-b5e6-96231b3b80d8
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This patch is in similar vein to what done earlier to Module::globals/aliases
etc. It allows to iterate over function arguments like this:
for (Argument Arg : F.args()) {
...
}
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204835 91177308-0d34-0410-b5e6-96231b3b80d8
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We've already got versions without the barriers, so this just adds IR-level
support for generating the new v8 ones.
rdar://problem/16227836
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204813 91177308-0d34-0410-b5e6-96231b3b80d8
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Implementing the LLVM part of the call to __builtin___clear_cache
which translates into an intrinsic @llvm.clear_cache and is lowered
by each target, either to a call to __clear_cache or nothing at all
incase the caches are unified.
Updating LangRef and adding some tests for the implemented architectures.
Other archs will have to implement the method in case this builtin
has to be compiled for it, since the default behaviour is to bail
unimplemented.
A Clang patch is required for the builtin to be lowered into the
llvm intrinsic. This will be done next.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204802 91177308-0d34-0410-b5e6-96231b3b80d8
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This reverts commit r204781.
I will follow up to with msan folks to see what is what they
were trying to do with aliases to weak aliases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204784 91177308-0d34-0410-b5e6-96231b3b80d8
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Aliases are just another name for a position in a file. As such, the
regular symbol resolutions are not applied. For example, given
define void @my_func() {
ret void
}
@my_alias = alias weak void ()* @my_func
@my_alias2 = alias void ()* @my_alias
We produce without this patch:
.weak my_alias
my_alias = my_func
.globl my_alias2
my_alias2 = my_alias
That is, in the resulting ELF file my_alias, my_func and my_alias are
just 3 names pointing to offset 0 of .text. That is *not* the
semantics of IR linking. For example, linking in a
@my_alias = alias void ()* @other_func
would require the strong my_alias to override the weak one and
my_alias2 would end up pointing to other_func.
There is no way to represent that with aliases being just another
name, so the best solution seems to be to just disallow it, converting
a miscompile into an error.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204781 91177308-0d34-0410-b5e6-96231b3b80d8
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PR19187.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204731 91177308-0d34-0410-b5e6-96231b3b80d8
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found with a smarter version of -Wunused-member-function that I'm playwing with.
Appologies in advance if I removed someone's WIP code.
include/llvm/CodeGen/MachineSSAUpdater.h | 1
include/llvm/IR/DebugInfo.h | 3
lib/CodeGen/MachineSSAUpdater.cpp | 10 --
lib/CodeGen/PostRASchedulerList.cpp | 1
lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp | 10 --
lib/IR/DebugInfo.cpp | 12 --
lib/MC/MCAsmStreamer.cpp | 2
lib/Support/YAMLParser.cpp | 39 ---------
lib/TableGen/TGParser.cpp | 16 ---
lib/TableGen/TGParser.h | 1
lib/Target/AArch64/AArch64TargetTransformInfo.cpp | 9 --
lib/Target/ARM/ARMCodeEmitter.cpp | 12 --
lib/Target/ARM/ARMFastISel.cpp | 84 --------------------
lib/Target/Mips/MipsCodeEmitter.cpp | 11 --
lib/Target/Mips/MipsConstantIslandPass.cpp | 12 --
lib/Target/NVPTX/NVPTXISelDAGToDAG.cpp | 21 -----
lib/Target/NVPTX/NVPTXISelDAGToDAG.h | 2
lib/Target/PowerPC/PPCFastISel.cpp | 1
lib/Transforms/Instrumentation/AddressSanitizer.cpp | 2
lib/Transforms/Instrumentation/BoundsChecking.cpp | 2
lib/Transforms/Instrumentation/MemorySanitizer.cpp | 1
lib/Transforms/Scalar/LoopIdiomRecognize.cpp | 8 -
lib/Transforms/Scalar/SCCP.cpp | 1
utils/TableGen/CodeEmitterGen.cpp | 2
24 files changed, 2 insertions(+), 261 deletions(-)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204560 91177308-0d34-0410-b5e6-96231b3b80d8
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The "noduplicate" function attribute exists to prevent certain optimizations
from duplicating calls to the function. This is important on platforms where
certain function call duplications are unsafe (for example execution barriers
for CUDA and OpenCL).
This patch makes it possible to specify intrinsics as "noduplicate" and
translates that to the appropriate function attribute.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204200 91177308-0d34-0410-b5e6-96231b3b80d8
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Also changes the iterators to return actual DI type over MDNode.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204130 91177308-0d34-0410-b5e6-96231b3b80d8
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This allows us to catch more opportunities for ODR-based type uniquing
during LTO.
Paired commit with CFE which updates some testcases to verify the new
DIBuilder behavior.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204106 91177308-0d34-0410-b5e6-96231b3b80d8
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The "noduplicate" attribute of call instructions is sometimes queried directly
and sometimes through the cannotDuplicate() predicate. This patch streamlines
all queries to use the cannotDuplicate() predicate. It also adds this predicate
to InvokeInst, to mirror what CallInst has.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204049 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204019 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
The sample profiler pass emits several error messages. Instead of
just aborting the compiler with report_fatal_error, we can emit
better messages using DiagnosticInfo.
This adds a new sub-class of DiagnosticInfo to handle the sample
profiler.
Reviewers: chandlerc, qcolombet
CC: llvm-commits
Differential Revision: http://llvm-reviews.chandlerc.com/D3086
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203976 91177308-0d34-0410-b5e6-96231b3b80d8
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These linkages were introduced some time ago, but it was never very
clear what exactly their semantics were or what they should be used
for. Some investigation found these uses:
* utf-16 strings in clang.
* non-unnamed_addr strings produced by the sanitizers.
It turns out they were just working around a more fundamental problem.
For some sections a MachO linker needs a symbol in order to split the
section into atoms, and llvm had no idea that was the case. I fixed
that in r201700 and it is now safe to use the private linkage. When
the object ends up in a section that requires symbols, llvm will use a
'l' prefix instead of a 'L' prefix and things just work.
With that, these linkages were already dead, but there was a potential
future user in the objc metadata information. I am still looking at
CGObjcMac.cpp, but at this point I am convinced that linker_private
and linker_private_weak are not what they need.
The objc uses are currently split in
* Regular symbols (no '\01' prefix). LLVM already directly provides
whatever semantics they need.
* Uses of a private name (start with "\01L" or "\01l") and private
linkage. We can drop the "\01L" and "\01l" prefixes as soon as llvm
agrees with clang on L being ok or not for a given section. I have two
patches in code review for this.
* Uses of private name and weak linkage.
The last case is the one that one could think would fit one of these
linkages. That is not the case. The semantics are
* the linker will merge these symbol by *name*.
* the linker will hide them in the final DSO.
Given that the merging is done by name, any of the private (or
internal) linkages would be a bad match. They allow llvm to rename the
symbols, and that is really not what we want. From the llvm point of
view, these objects should really be (linkonce|weak)(_odr)?.
For now, just keeping the "\01l" prefix is probably the best for these
symbols. If we one day want to have a more direct support in llvm,
IMHO what we should add is not a linkage, it is just a hidden_symbol
attribute. It would be applicable to multiple linkages. For example,
on weak it would produce the current behavior we have for objc
metadata. On internal, it would be equivalent to private (and we
should then remove private).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203866 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203790 91177308-0d34-0410-b5e6-96231b3b80d8
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order to use the single assignment. That's probably worth doing for
a lot of these types anyways as they may have non-trivial moves and so
getting copy elision in more places seems worthwhile.
I've tried to add some tests that actually catch this mistake, and one
of the types is now well tested but the others' tests still fail to
catch this. I'll keep working on tests, but this gets the core pattern
right.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203780 91177308-0d34-0410-b5e6-96231b3b80d8
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