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Some users are reporting Mac assertion errors while linking:
Assertion failed: (false && "Could not query current working directory.").
Add a perror() call to see what errno is when this fails.
BUG=none
R=dschuff@chromium.org
Review URL: https://codereview.chromium.org/66653003
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Post 3.3-merge there seems to be a problem using mmap on cygwin. In the
meantime, as a LOCALMOD, we disable usage of mmap in MemoryBuffer. The
effect of this on the Windows/Cygwin toolchain can be a slightly slower
developer-side linkage time.
BUG=https://code.google.com/p/nativeclient/issues/detail?id=3578
R=dschuff@chromium.org
Review URL: https://codereview.chromium.org/19923003
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sandboxed build. Condition them properly on __native_client__.
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Conflicts:
docs/LangRef.rst
include/llvm/CodeGen/CallingConvLower.h
include/llvm/IRReader/IRReader.h
include/llvm/Target/TargetMachine.h
lib/CodeGen/CallingConvLower.cpp
lib/IRReader/IRReader.cpp
lib/IRReader/LLVMBuild.txt
lib/IRReader/Makefile
lib/LLVMBuild.txt
lib/Makefile
lib/Support/MemoryBuffer.cpp
lib/Support/Unix/PathV2.inc
lib/Target/ARM/ARMBaseInstrInfo.cpp
lib/Target/ARM/ARMISelLowering.cpp
lib/Target/ARM/ARMInstrInfo.td
lib/Target/ARM/ARMSubtarget.cpp
lib/Target/ARM/ARMTargetMachine.cpp
lib/Target/Mips/CMakeLists.txt
lib/Target/Mips/MipsDelaySlotFiller.cpp
lib/Target/Mips/MipsISelLowering.cpp
lib/Target/Mips/MipsInstrInfo.td
lib/Target/Mips/MipsSubtarget.cpp
lib/Target/Mips/MipsSubtarget.h
lib/Target/X86/X86FastISel.cpp
lib/Target/X86/X86ISelDAGToDAG.cpp
lib/Target/X86/X86ISelLowering.cpp
lib/Target/X86/X86InstrControl.td
lib/Target/X86/X86InstrFormats.td
lib/Transforms/IPO/ExtractGV.cpp
lib/Transforms/InstCombine/InstCombineCompares.cpp
lib/Transforms/Utils/SimplifyLibCalls.cpp
test/CodeGen/X86/fast-isel-divrem.ll
test/MC/ARM/data-in-code.ll
tools/Makefile
tools/llvm-extract/llvm-extract.cpp
tools/llvm-link/CMakeLists.txt
tools/opt/CMakeLists.txt
tools/opt/LLVMBuild.txt
tools/opt/Makefile
tools/opt/opt.cpp
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sink options) command line options at runtime.
Patch by Dan Liew!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181254 91177308-0d34-0410-b5e6-96231b3b80d8
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Patch by Dan Liew!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181253 91177308-0d34-0410-b5e6-96231b3b80d8
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constructor enables
Patch by Robert Wilhelm.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181138 91177308-0d34-0410-b5e6-96231b3b80d8
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AArch64 is going to need some kind of cache-invalidation in order to
successfully JIT since it has a weak memory-model. This is provided by
a __clear_cache builtin in libgcc, which acts very much like the
32-bit ARM equivalent (on platforms where it exists).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181129 91177308-0d34-0410-b5e6-96231b3b80d8
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The intended semantics mirror autoconf, where the user is able to
specify a host triple, but if it's left to the build system then
"config.guess" is invoked for the default.
This also renames the LLVM_HOSTTRIPLE define to LLVM_HOST_TRIPLE to
fit in with the style of the surrounding defines.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181112 91177308-0d34-0410-b5e6-96231b3b80d8
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The llvm::sys::AddSignalHandler function (as well as related routines) in
lib/Support/Unix/Signals.inc currently registers a signal handler routine
via "sigaction". When this handler is called due to a SIGSEGV, SIGILL or
similar signal, it will show a stack backtrace, deactivate the handler,
and then simply return to the operating system. The intent is that the
OS will now retry execution at the same location as before, which ought
to again trigger the same error condition and cause the same signal to be
delivered again. Since the hander is now deactivated, the OS will take
its default action (usually, terminate the program and possibly create
a core dump).
However, this method doesn't work reliably on System Z: With certain
signals (namely SIGILL, SIGFPE, and SIGTRAP), the program counter stored
by the kernel on the signal stack frame (which is the location where
execution will resume) is not the instruction that triggered the fault,
but then instruction *after it*. When the LLVM signal handler simply
returns to the kernel, execution will then resume at *that* address,
which will not trigger the problem again, but simply go on and execute
potentially unrelated code leading to random errors afterwards.
To fix this, the patch simply goes and re-raises the signal in question
directly from the handler instead of returning from it. This is done
only on System Z and only for those signals that have this particular
problem.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181010 91177308-0d34-0410-b5e6-96231b3b80d8
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First step towards reinstating the SystemZ backend. Tests will be
included in the main backend patch.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181007 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181005 91177308-0d34-0410-b5e6-96231b3b80d8
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accommodate the closing quote escape rules in some instances.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180836 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180688 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180686 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180684 91177308-0d34-0410-b5e6-96231b3b80d8
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because some MSVC 2010 SP1 installations do not have the _xgetbv intrinsic. Patch thanks to Serge Pavlov!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180125 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180103 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180094 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180087 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180084 91177308-0d34-0410-b5e6-96231b3b80d8
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compression/uncompression in selected LLVM tools.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180083 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
This is http://llvm.org/PR15802. Backslashes preceding double quotes in
arguments must be escaped. The interesting bit is that all other
backslashes should *not* be escaped, because the un-escaping logic is
only triggered by the presence of a double quote character.
Reviewers: Bigcheese
CC: llvm-commits
Differential Revision: http://llvm-reviews.chandlerc.com/D705
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180035 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179995 91177308-0d34-0410-b5e6-96231b3b80d8
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I will remove the isBigEndianHost function once I update clang.
The ifdef logic is designed to
* not use configure/cmake to avoid breaking -arch i686 -arch ppc.
* default to little endian
* be as small as possible
It looks like sys/endian.h is the preferred header on most modern BSD systems,
but it is better to change this in a followup patch as machine/endian.h is
available on FreeBSD, OpenBSD, NetBSD and OS X.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179527 91177308-0d34-0410-b5e6-96231b3b80d8
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This will be used in clang to decide if it should create an @file or not. It
will be tested on the clang side.
Patch by Nathan Froyd.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179285 91177308-0d34-0410-b5e6-96231b3b80d8
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It's possible for the lock file to disappear and the owning process to
return before we're able to see the generated file. Spin for a little
while to see if it shows up before failing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178909 91177308-0d34-0410-b5e6-96231b3b80d8
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If the directory that will contain the unique file doesn't exist when
we tried to create the file, but another process creates it before we
get a chance to try creating it, we would bail out rather than try to
create the unique file.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178908 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178905 91177308-0d34-0410-b5e6-96231b3b80d8
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Summary:
Sets a report hook that emulates pressing "retry" in the "abort, retry,
ignore" dialog box that _CrtDbgReport normally raises. There are many
other ways to disable assertion reports, but this was the only way I
could find that still calls our exception handler.
Reviewers: Bigcheese
CC: llvm-commits
Differential Revision: http://llvm-reviews.chandlerc.com/D625
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178880 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178674 91177308-0d34-0410-b5e6-96231b3b80d8
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intrinsic. This also fixes a minor code formatting issue.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178666 91177308-0d34-0410-b5e6-96231b3b80d8
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when getting the host processor information. It emits a .byte sequence on GNUC compilers to work around lack of xgetbv support with older assemblers, and resolves a comment typo found in the previous patch.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178636 91177308-0d34-0410-b5e6-96231b3b80d8
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doesn't understand the xgetbv instruction for some reason. Will revisit when time permits.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178614 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178604 91177308-0d34-0410-b5e6-96231b3b80d8
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when getting the host processor information.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178598 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178420 91177308-0d34-0410-b5e6-96231b3b80d8
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This time tested on both OSX and Linux.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178377 91177308-0d34-0410-b5e6-96231b3b80d8
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prone to"
This reverts commit 617330909f0c26a3f2ab8601a029b9bdca48aa61.
It broke the bots:
/home/clangbuild2/clang-ppc64-2/llvm.src/unittests/ADT/SmallVectorTest.cpp:150: PushPopTest
/home/clangbuild2/clang-ppc64-2/llvm.src/unittests/ADT/SmallVectorTest.cpp:118: Failure
Value of: v[i].getValue()
Actual: 0
Expected: value
Which is: 2
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178334 91177308-0d34-0410-b5e6-96231b3b80d8
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being power-of-two sized.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178332 91177308-0d34-0410-b5e6-96231b3b80d8
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likely the crash diagnostics generation will fail as well.
Part of rdar://13296693
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178163 91177308-0d34-0410-b5e6-96231b3b80d8
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if crash diagnostics should be generated. By default this is enabled.
Part of rdar://13296693
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178161 91177308-0d34-0410-b5e6-96231b3b80d8
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if execution failed. ExecuteAndWait returns -1 upon an execution failure, but
checking the return value isn't sufficient because the wait command may
return -1 as well. This new parameter is to be used by the clang driver in a
subsequent commit.
Part of rdar://13362359
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178087 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177963 91177308-0d34-0410-b5e6-96231b3b80d8
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timeouts, so
it's only really useful if you're going to crash anyways. Use it in the pretty stack trace
printer to kill the compiler if we hang while printing the stack trace.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177962 91177308-0d34-0410-b5e6-96231b3b80d8
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-time-ir-parsing flag
This breaks the layering of the Support library. We can't add an
implementation side to IRReader because it refers directly to entities
only accessible as part of the IR, AsmParser, and BitcodeReader
libraries. It can only be used in a context where all of those libraries
will be available.
We'll need to find some other way to get this functionality, and
hopefully solve the long-standing layering problem of IRReader.h...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177695 91177308-0d34-0410-b5e6-96231b3b80d8
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DARWIN_USER_CACHE_DIR for the system temporary directory.
The DARWIN_USER_TEMP_DIR and DARWIN_USER_CACHE_DIR configuration
settings are more idiomatic for Darwin than the TMPDIR environment
variable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177669 91177308-0d34-0410-b5e6-96231b3b80d8
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They are generally faster (at least not slower) than post-inc, post-dec.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177608 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177543 91177308-0d34-0410-b5e6-96231b3b80d8
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