Summary:
Port rL265480, rL264754, rL265997 and rL266252 to SystemZ, in order to enable the Swift port on the architecture. SwiftSelf and SwiftError are assigned to R10 and R9, respectively, which are normally callee-saved registers. For more information, see:
RFC: Implementing the Swift calling convention in LLVM and Clang
https://groups.google.com/forum/#!topic/llvm-dev/epDd2w93kZ0
Reviewers: kbarton, manmanren, rjmccall, uweigand
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D19414
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@267823 91177308-0d34-0410-b5e6-96231b3b80d8
Two problems, 1) for the last 4 bytes it would print them as separate bytes not a word
and 2) it would print the same last byte for those bytes less than a word.
rdar://25938224
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@267819 91177308-0d34-0410-b5e6-96231b3b80d8
This gets more data out of the DBI strema of the PDB. In
particular it extracts the metadata for the list of modules
(compilands) that this PDB contains info about, and adds support
for dumping these fields to llvm-pdbdump.
Differential Revision: http://reviews.llvm.org/D19570
Reviewed By: ruiu
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@267818 91177308-0d34-0410-b5e6-96231b3b80d8
We basically replace:
HoistBB:
cond_br NullBB, NotNullBB
NullBB:
...
NotNullBB:
<reg> = load
into
HoistBB
<reg> = load_faulting_op NullBB
uncond_br NotNullBB
NullBB:
...
NotNullBB: ## <reg> is now live-in of NotNullBB
...
This partially fixes the machine verifier error for
test/CodeGen/X86/implicit-null-check.ll, but it still fails because
of the implicit CFG structure.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@267817 91177308-0d34-0410-b5e6-96231b3b80d8
There's no existing test for this path, and I don't know how to expose
it in a regression test, but I'm assuming there's some reason this
path exists.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@267813 91177308-0d34-0410-b5e6-96231b3b80d8
The callseq_end node must be glued with the TLS calls, otherwise,
the generic code will miss the uses of the returned value and will
mark it dead.
Moreover, TLSCall 64-bit pseudo must not set an implicit-use on RDI,
the pseudo uses the symbol address at this point not RDI and the
lowering will do the right thing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@267797 91177308-0d34-0410-b5e6-96231b3b80d8
This was crashing llvm-objdump with -macho -objc-meta-data when trying dump a non-existent section.
So the test binary is simply created from an empty .s file compiled with: clang -arch armv7 empty.s -c
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@267782 91177308-0d34-0410-b5e6-96231b3b80d8
transferSuccessors() would LoadCmpBB a successor of DoneBB,
whereas it should be a successor of the original MBB.
Follow-up to r266339.
Unfortunately, it's tricky to catch this in the verifier.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@267779 91177308-0d34-0410-b5e6-96231b3b80d8
transferSuccessors() would LoadCmpBB a successor of DoneBB, whereas
it should be a successor of the original MBB.
The testcase changes are caused by Thumb2SizeReduction, which
was previously confused by the broken CFG.
Follow-up to r266679.
Unfortunately, it's tricky to catch this in the verifier.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@267778 91177308-0d34-0410-b5e6-96231b3b80d8
At the moment we don't simplify PSRAV/PSRLV/PSLLV intrinsics to generic IR for constant shift amounts, but we could.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@267777 91177308-0d34-0410-b5e6-96231b3b80d8
Also replaces a number of calls to report_fatal_error with Error returns.
The plumbing will make it easier to return errors originating in libObject.
Replacing report_fatal_errors with Error returns will give JIT clients the
opportunity to recover gracefully when the JIT is unable to produce/relocate
code, as well as providing meaningful error messages that can be used to file
bug reports.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@267776 91177308-0d34-0410-b5e6-96231b3b80d8
The sink cast machinery is supposed to sink casts as close to their user
as possible. However, an EH pad is the first instruction in it's basic
block. Don't sink if the user is an EH pad.
This fixes PR27536.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@267767 91177308-0d34-0410-b5e6-96231b3b80d8
Summary:
Refactor debugging routines to reduce code duplication. Remove a couple
of #include's that were not needed. Don't require MachineDominator as a
prereq for this pass (not needed).
These changes split off from http://reviews.llvm.org/D18827.
Reviewers: wmi, gbiv, qcolombet
Subscribers: llvm-commits, davidxl, jevinskie
Differential Revision: http://reviews.llvm.org/D18992
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@267766 91177308-0d34-0410-b5e6-96231b3b80d8
Summary:
Currently the NVVMReflect pass is run at the beginning of our backend
passes. But really, it should be run as early as possible, as it's
simply resolving an "if" statement in code. So copy it into
TargetMachine::addEarlyAsPossiblePasses.
We still run it at the beginning of the backend passes, since it's
needed for correctness when lowering to nvptx.
(Specifically, NVVMReflect changes each call to the __nvvm_reflect
function or llvm.nvvm.reflect intrinsic into an integer constant, based
on the pass's configuration. Clearly we miss many optimization
opportunities if we perform this transformation at the beginning of
codegen.)
Reviewers: rnk
Subscribers: tra, llvm-commits, jholewinski
Differential Revision: http://reviews.llvm.org/D18616
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@267765 91177308-0d34-0410-b5e6-96231b3b80d8
Summary:
This is a hook to allow TargetMachine to install passes at the
EP_EarlyAsPossible PassManagerBuilder extension point.
Reviewers: chandlerc
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D18614
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@267763 91177308-0d34-0410-b5e6-96231b3b80d8
Now the pass is just a tiny wrapper around the util. This lets us reuse
the logic elsewhere (done here for BuildLibCalls) instead of duplicating
it.
The next step is to have something like getOrInsertLibFunc that also
sets the attributes.
Differential Revision: http://reviews.llvm.org/D19470
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@267759 91177308-0d34-0410-b5e6-96231b3b80d8
We previously disallowed interleaved load groups that may cause us to
speculatively access memory out-of-bounds (r261331). We did this by ensuring
each load group had an access corresponding to the first and last member.
Instead of bailing out for these interleaved groups, this patch enables us to
peel off the last vector iteration, ensuring that we execute at least one
iteration of the scalar remainder loop. This solution was proposed in the
review of the previous patch.
Differential Revision: http://reviews.llvm.org/D19487
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