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Differential Revision: https://reviews.llvm.org/D61791
llvm-svn: 360680
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Changes the default Windows target triple returned by
GetHostTriple.cmake from the old environment names (which we wanted to
move away from) to newer, normalized ones. This also requires updating
all tests to use the new systems names in constraints.
Differential Revision: https://reviews.llvm.org/D47381
llvm-svn: 339307
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models"
Don't try to generate large PIC code for non-ELF targets. Neither COFF
nor MachO have relocations for large position independent code, and
users have been using "large PIC" code models to JIT 64-bit code for a
while now. With this change, if they are generating ELF code, their
JITed code will truly be PIC, but if they target MachO or COFF, it will
contain 64-bit immediates that directly reference external symbols. For
a JIT, that's perfectly fine.
llvm-svn: 337740
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This reverts commit a6b904daa1d55e31187c85e5b54ef2ddc37fa713.
llvm-svn: 335893
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http://green.lab.llvm.org/green/job/clang-stage1-configure-RA/46572/console
LLVM ERROR: unsupported relocation with subtraction expression, symbol
'__GLOBAL_OFFSET_TABLE_' can not be undefined in a subtraction
expression
Do the same thing as MCJIT/eh-lg-pic.ll.
llvm-svn: 335548
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These tests assumes availability of external symbols provided by the
C++ library, but those won't be available in case when the C++ library
is statically linked because lli itself doesn't need these.
This uses llvm-readobj -needed-libs to check if C++ library is linked as
shared library and exposes that information as a feature to lit.
Differential Revision: https://reviews.llvm.org/D41272
llvm-svn: 321981
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Will re-enable once I figure out why the necessary runtime functions are
missing on some bots.
llvm-svn: 316203
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Turns on EmulatedTLS support by default in EngineBuilder. ;)
llvm-svn: 316200
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reloction overflow
The PowerPC part of processRelocationRef currently assumes that external
symbols can be identified by checking for SymType == SymbolRef::ST_Unknown.
This is actually incorrect in some cases, causing relocation overflows to
be mis-detected. The correct check is to test whether Value.SymbolName
is null.
Includes test case. Note that it is a bit tricky to replicate the exact
condition that triggers the bug in a test case. The one included here
seems to fail reliably (before the fix) across different operating
system versions on Power, but it still makes a few assumptions (called
out in the test case comments).
Also add ppc64le platform name to the supported list in the lit.local.cfg
files for the MCJIT and OrcMCJIT directories, since those tests were
currently not run at all.
Fixes PR32650.
Reviewer: hfinkel
Differential Revision: https://reviews.llvm.org/D33402
llvm-svn: 303637
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These tests rely on two sections being allocated with a limited displacement
from one to the other to work. We've never guaranteed this, and consequently
these tests usually fail. That led to them being XFAILed, but now they XPASS
whenever the sections do happen to be allocated nearby in memory. So I'm
removing these for now to get rid of the noise. We can re-instate them if/when
we take the time to implement a displacement-respecting allocator.
llvm-svn: 284654
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llvm-svn: 279275
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llvm-svn: 279201
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COFF doesn't support weak linkage on functions.
llvm-svn: 278162
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llvm-svn: 278149
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llvm-svn: 278069
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This patch causes RuntimeDyld to check for existing definitions when it
encounters weak symbols. If a definition already exists then the new weak
definition is discarded. All symbol lookups within a "logical dylib" should now
agree on the address of any given weak symbol. This allows the JIT to better
match the behavior of the static linker for C++ code.
This support is only partial, as it does not allow strong definitions that
occur after the first weak definition (in JIT symbol lookup order) to override
the previous weak definitions. Support for this will be added in a future
patch.
llvm-svn: 278065
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Some of the JIT tests began failing with "[llvm] r266663 - [Orc] Re-commit
r266581 with fixes for MSVC, and format cleanups." on powerpc64 big endian.
To get the buildbots running I am marking these as UNSUPPORTED for now.
If this is fixed remove the UNSUPPORTED flag "powerpc64-unknown-linux-gnu".
In r267516 I marked these as XFAIL but they succeed on some of the bots
on stage1.
llvm-svn: 267518
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Some of the JIT tests began failing with "[llvm] r266663 - [Orc] Re-commit
r266581 with fixes for MSVC, and format cleanups." on powerpc64 big endian.
To get the buildbots running I am marking these as XFAIL for now.
If this is fixed remove the XFAIL flag "powerpc64-unknown-linux-gnu".
llvm-svn: 267516
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review of r257343.
Thanks Dave!
llvm-svn: 258002
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classes.
OrcRemoteTargetClient::RCMemoryManager will now register EH frames with the
server automatically. This allows remote-execution of code that uses exceptions.
llvm-svn: 257816
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llvm-svn: 257732
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llvm-svn: 257419
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llvm-svn: 257391
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intermittent XPASSes on some builders.
These can be reinstated when we have proper support for small-code model in
the JIT.
llvm-svn: 257359
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supported, and only worked previously because we weren't really running them
out-of-process.
llvm-svn: 257355
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The new ORC remote-JITing support provides a superset of the old code's
functionality, so we can replace the old stuff. As a bonus, a couple of
previously XFAILed tests have started passing.
llvm-svn: 257343
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These tests started passing after libcxxabi's r255559, which fixed a problem
relating to how libcxxabi links its EH library. The test failures were
caused by an issue with libc++, not the sanitizers (confirmed by building a
pre-r255559 revision with libc++/libc++abi and without sanitizers), so they
should never have been XFAILed under the sanitizers.
llvm-svn: 255708
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The personality routine currently lives in the LandingPadInst.
This isn't desirable because:
- All LandingPadInsts in the same function must have the same
personality routine. This means that each LandingPadInst beyond the
first has an operand which produces no additional information.
- There is ongoing work to introduce EH IR constructs other than
LandingPadInst. Moving the personality routine off of any one
particular Instruction and onto the parent function seems a lot better
than have N different places a personality function can sneak onto an
exceptional function.
Differential Revision: http://reviews.llvm.org/D10429
llvm-svn: 239940
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Add support for resolving MIPS64r2 and MIPS64r6 relocations in MCJIT.
Patch by Vladimir Radosavljevic.
Differential Revision: http://reviews.llvm.org/D9667
llvm-svn: 238424
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the call instruction
See r230786 and r230794 for similar changes to gep and load
respectively.
Call is a bit different because it often doesn't have a single explicit
type - usually the type is deduced from the arguments, and just the
return type is explicit. In those cases there's no need to change the
IR.
When that's not the case, the IR usually contains the pointer type of
the first operand - but since typed pointers are going away, that
representation is insufficient so I'm just stripping the "pointerness"
of the explicit type away.
This does make the IR a bit weird - it /sort of/ reads like the type of
the first operand: "call void () %x(" but %x is actually of type "void
()*" and will eventually be just of type "ptr". But this seems not too
bad and I don't think it would benefit from repeating the type
("void (), void () * %x(" and then eventually "void (), ptr %x(") as has
been done with gep and load.
This also has a side benefit: since the explicit type is no longer a
pointer, there's no ambiguity between an explicit type and a function
that returns a function pointer. Previously this case needed an explicit
type (eg: a function returning a void() function was written as
"call void () () * @x(" rather than "call void () * @x(" because of the
ambiguity between a function returning a pointer to a void() function
and a function returning void).
No ambiguity means even function pointer return types can just be
written alone, without writing the whole function's type.
This leaves /only/ the varargs case where the explicit type is required.
Given the special type syntax in call instructions, the regex-fu used
for migration was a bit more involved in its own unique way (as every
one of these is) so here it is. Use it in conjunction with the apply.sh
script and associated find/xargs commands I've provided in rr230786 to
migrate your out of tree tests. Do let me know if any of this doesn't
cover your cases & we can iterate on a more general script/regexes to
help others with out of tree tests.
About 9 test cases couldn't be automatically migrated - half of those
were functions returning function pointers, where I just had to manually
delete the function argument types now that we didn't need an explicit
function type there. The other half were typedefs of function types used
in calls - just had to manually drop the * from those.
import fileinput
import sys
import re
pat = re.compile(r'((?:=|:|^|\s)call\s(?:[^@]*?))(\s*$|\s*(?:(?:\[\[[a-zA-Z0-9_]+\]\]|[@%](?:(")?[\\\?@a-zA-Z0-9_.]*?(?(3)"|)|{{.*}}))(?:\(|$)|undef|inttoptr|bitcast|null|asm).*$)')
addrspace_end = re.compile(r"addrspace\(\d+\)\s*\*$")
func_end = re.compile("(?:void.*|\)\s*)\*$")
def conv(match, line):
if not match or re.search(addrspace_end, match.group(1)) or not re.search(func_end, match.group(1)):
return line
return line[:match.start()] + match.group(1)[:match.group(1).rfind('*')].rstrip() + match.group(2) + line[match.end():]
for line in sys.stdin:
sys.stdout.write(conv(re.search(pat, line), line))
llvm-svn: 235145
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These regression tests are supposed to test small code model support, but have
been XFAIL'd because we don't have an in-tree memory manager that can guarantee
a small-code-model compatible memory layout. Unfortunately, they can
occasionally pass if they get lucky with memory allocation, causing unexpected
passes on the bots. That's not very helpful.
I'm going to remove these until we have the infrastructure (small-code-model
compatible memory manager) to run them properly.
llvm-svn: 233722
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This ensures that we're building and testing the CompileOnDemand layer, at least
in a basic way.
Currently x86-64 only, and with limited to no library calls enabled (depending
on host platform). Patches welcome. ;)
To enable access to the lazy JIT, this patch replaces the '-use-orcmcjit' lli
option with a new option:
'-jit-kind={ mcjit | orc-mcjit | orc-lazy }'.
All regression tests are updated to use the new option, and one trivial test of
the new lazy JIT is added.
llvm-svn: 233182
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