The OpenMP spec mandates that 'a teams construct must be contained within a
target construct'. Currently, this scenario is not diagnosed. This patch is
to add check for orphaned teams construct and issue an error message.
Differential Revision: https://reviews.llvm.org/D22785
llvm-svn: 276726
If we move a last-use register read to a later position we may skip
intermediate segments. This may require us to not only extend the
segment before the NewIdx, but also extend the segment live-in to
OldIdx.
This switches LiveIntervalTest to use AMDGPU so we can test subregister
liveness.
llvm-svn: 276724
This flag is implemented similarly to --reproduce in the ELF linker.
This patch implements /linkrepro by moving the cpio writer and associated
utility functions to lldCore, and using that implementation in both linkers.
One COFF-specific detail is that we store the object file from which the
resource files were created in our reproducer, rather than the resource
files themselves. This allows the reproducer to be used on non-Windows
systems for example.
Differential Revision: https://reviews.llvm.org/D22418
llvm-svn: 276719
Recent changes to Xcode have changed the structure of Xcode toolchains. This patch makes the xcode-toolchain goop construct a new-format Xcode toolchain that is compatible with Xcode 7.
The new format has a compatibility version key, so when a new format comes out we can support multiple formats in parallel.
llvm-svn: 276718
After r275121, we stopped mapping regions from system headers. Lambdas
declared in regions belonging to system headers started producing empty
coverage mappings, since the files corresponding to their spelling locs
were being ignored.
The coverage reader doesn't know what to do with these empty mappings.
This commit makes sure that we don't produce them and adds a test. I'll
make the reader stricter in a follow-up commit.
llvm-svn: 276716
Instead of DFS numbering basic blocks we now DFS number instructions that avoids
the costly operation of which instruction comes first in a basic block.
Patch mostly written by Daniel Berlin.
Differential Revision: https://reviews.llvm.org/D22777
llvm-svn: 276714
This patch adds an option to specify the maximum depth in a BB at which to
consider hoisting instructions. Hoisting instructions from a deeper level is
not profitable as it increases register pressure and compilation time.
Differential Revision: https://reviews.llvm.org/D22772
llvm-svn: 276713
On OS X 10.11 System Integrity Protection prevents the DYLD environment variables from being set on system binaries. To work around this r276710 accepts DYLD_LIBRARY_PATH as a CMake variable and sets it directly on the archiver commands.
To make this work with bootstrapping we need to set DYLD_LIBRARY_PATH to the current stage's library directory and pass that into the next stage's configuration.
llvm-svn: 276711
OS X 10.11 has a feature named System Integrity Protection. The goal of the feature is to make system binaries immutable (even as root). One part of this is that protected binaries do not receive DYLD_* environment variables because the kernel scrubs them before process launch.
This causes problems for LTO bootstrap builds on Darwin that try to use the just-built libLTO with the host ar, ranlib, or libtool.
This patch addresses two problems.
(1) The tools themselves aren't protected binaries but the shim tools installed at / are, so we need to call xcrun -find to find libtool instead of using the one CMake finds.
(2) Some build tools (ninja and make) use /bin/sh to invoke their subprocesses. Since /bin/sh is a system binary, the kernel scrubs the DYLD envars from their environment. To work around this we need to set the environment variables as part of the archiver commands, so the envars are set by the shell process instead of on the shell process.
llvm-svn: 276710
createSections function is getting longer, so it is time to split it
into small functions. The reason why the function is long is because
it has deeply nested for-loops. This patch constructs temporary data
to reduce nesting level.
Differential Revision: https://reviews.llvm.org/D22786
llvm-svn: 276706
match() returns true of the first argument, a target string, matches
one of the second argument, a list of glob patterns. Calling the
target string, which is not a glob pattern, "Pattern" was very confusing.
llvm-svn: 276705
OpenCL 1.0: "Returns y if y < x, otherwise it returns x. If x *and* y
are infinite or NaN, the return values are undefined."
OpenCL 1.1+: "Returns y if y < x, otherwise it returns x. If x *or* y
are infinite or NaN, the return values are undefined."
The 1.0 version is stricter so use that one.
Signed-off-by: Jan Vesely <jan.vesely@rutgers.edu>
llvm-svn: 276704
The saturation instructions appeared in v6T2, with DSP extensions, but they
were being accepted / generated on any, with the new introduction of the
saturation detection in the back-end. This commit restricts the usage to
DSP-enable only cores.
Fixes PR28607.
llvm-svn: 276701
on the nullabilities of its operands.
This commit is a follow-up to r276076 and enables
computeConditionalNullability to compute the merged nullability when
the operands are objective-c pointers.
rdar://problem/22074116
llvm-svn: 276696
This will grow because I have a patch to support more complex
constructs, e.g.:
KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors))
Let's make this a separate function.
llvm-svn: 276695
This adds LLVM's 3 main cast instructions (inttoptr, ptrtoint, bitcast) to the
IRTranslator. The first two are direct translations (with 2 MachineInstr types
each). Since LLT discards information, a bitcast might become trivial and we
emit a COPY in those cases instead.
llvm-svn: 276690
They're basically i64 for AArch64, but we'll leave them intact for stranger
targets. Also add some tests for the (very few) other cases we can handle right
now.
llvm-svn: 276689
I consulted with Lang Hames on this work, and the goal was to add a bit
of "where" in the archive the error occurred along with what the error was.
So this step changes ArchiveMemberHeader into a class with a pointer
to the archive header and the parent archive. Which allows the methods
in the ArchiveMemberHeader to determine which member the header is
for to include that information in the error message.
For this first step the "where" is just the offset to the member in the
archive. The next step will be a new method on ArchiveMemberHeader
to get the full name, if possible, to be use in the error message. Which
will now be possible as ArchiveMemberHeader contains a pointer to
the Archive with its string table and its size, etc. so the full name can
be determined from the header if it is valid.
Also this change adds the missing checks the archive header is actually
contained in the buffer and is not truncated, as well as if the terminating
characters are correct in the header.
And changes one error message in Archive::Child::getNext() where the
name or offset to member is now added.
llvm-svn: 276686
MSVC won't provide the body of this move constructor and assignment
operator, possibly because the copy constructor is banned. Just write
it manually.
llvm-svn: 276685
This reverts commit r276333.
As I commented in the review (https://reviews.llvm.org/D22415), this change isn't needed because CMAKE_C_FLAGS is implicitly added by CMake to the command line for all C source files.
With this patch enabled CMAKE_C_FLAGS is duplicated on all C sources, and applied to ASM sources, which is not ideal.
I sent an email about this to llvm-commits on the commit thread. I suspect the problem the patch author was actually seeing is that CMAKE_C_FLAGS isn't applied to ASM files, and the builtins library has quite a few of those. The correct solution there is to specify CMAKE_ASM_FLAGS with whatever flags need to be passed to the compiler when compiling ASM files.
If there are other problems with flag propagation, please let me know.
llvm-svn: 276683
David Majnemer