ARM32 ELF R_ARM_V4BX relocation format is a special relocation type
that records the location of an ARMv4t BX instruction to enable a
static linker to generate ARMv4 compatible instructions. This
relocation does not contain a reference symbol.
This patch enabled its creation by removing the requeriment of a
relocation symbol target in ELFState<ELFT>::writeSectionContent.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@235513 91177308-0d34-0410-b5e6-96231b3b80d8
Add a flag to lib/Linker (and `llvm-link`) to override linkage rules.
When set, the functions in the source module *always* replace those in
the destination module.
The `llvm-link` option is `-override=abc.ll`. All the "regular" modules
are loaded and linked first, followed by the `-override` modules. This
is useful for debugging workflows where some subset of the module (e.g.,
a single function) is extracted into a separate file where it's
optimized differently, before being merged back in.
Patch by Luqman Aden!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@235473 91177308-0d34-0410-b5e6-96231b3b80d8
Factor the loop for linking input files together into a combined module
into a separate function. This is in preparation for an upcoming patch
that runs the logic twice.
Patch by Luqman Aden!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@235472 91177308-0d34-0410-b5e6-96231b3b80d8
Summary:
This patch adds two flags to `bugpoint`: "-replace-funcs-with-null" and "-disable-pass-list-reduction".
When "-replace-funcs-with-null" is specified, bugpoint will, instead of simply deleting function bodies, replace all uses of functions and then will delete functions completely from the test module, correctly handling aliasing and @llvm.used && @llvm.compiler.used. This part was conceived while trying to debug the PNaCl IR simplification passes, which don't allow undefined functions (ie no declarations).
With "-disable-pass-list-reduction", bugpoint won't try to reduce the set of passes causing the "crash". This is needed in cases where one is trying to debug an issue inside the PNaCl IR simplification passes which is causing an PNaCl ABI verification error, for example.
Reviewers: jfb
Reviewed By: jfb
Subscribers: jfb, llvm-commits
Differential Revision: http://reviews.llvm.org/D8555
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@235362 91177308-0d34-0410-b5e6-96231b3b80d8
This adds the following targets to cmake. These can be used to build and link only specific parts of a backend, instead of having to link the whole backend.
- AllTargetsAsmPrinters, AllTargetsAsmParsers, AllTargetsDescs, AllTargetsDisassemblers, AllTargetsInfos
A typical use for these is instead of linking ${LLVM_TARGETS_TO_BUILD}. This commit changes llvm-mc to show how to use the new targets.
Reviewed by Chris Bieneman.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@235324 91177308-0d34-0410-b5e6-96231b3b80d8
Delete `DIDescriptor` and update the remaining users. I'll follow-up by
deleting subclasses in manageable groups (top-down).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@235248 91177308-0d34-0410-b5e6-96231b3b80d8
Previously DebugInfoPDB could only load data for a PDB given a
path to the PDB. It could not open an EXE and find the matching
PDB and verify it matched, etc. This patch adds support for that
so that we can simply load debug information for a PDB directly.
Additionally, this patch extends DebugInfoPDB to support getting
source and line information for symbols.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@235237 91177308-0d34-0410-b5e6-96231b3b80d8
When debugging LTO issues with ld64, we use -save-temps to save the merged
optimized bitcode file, then invoke ld64 again on the single bitcode file.
The saved bitcode file is already internalized, so we can call
lto_codegen_set_should_internalize and skip running internalization again.
rdar://20227235
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@235211 91177308-0d34-0410-b5e6-96231b3b80d8
Continuing PR23080, gut `DIType` and its various subclasses, leaving
behind thin wrappers around the pointer types in the new debug info
hierarchy.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@235064 91177308-0d34-0410-b5e6-96231b3b80d8
signature match the other layers.
This makes it possible to compose other layers (e.g. IRTransformLayer) on top
of CompileOnDemandLayer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@235029 91177308-0d34-0410-b5e6-96231b3b80d8
Remove all the global bits to do with preserving use-list order by
moving the `cl::opt`s to the individual tools that want them. There's a
minor functionality change to `libLTO`, in that you can't send in
`-preserve-bc-uselistorder=false`, but making that bit settable (if it's
worth doing) should be through explicit LTO API.
As a drive-by fix, I removed some includes of `UseListOrder.h` that were
made unnecessary by recent commits.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234973 91177308-0d34-0410-b5e6-96231b3b80d8
Now the callers of `PrintModulePass()` (etc.) that care about use-list
order in assembly pass in the flag.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234969 91177308-0d34-0410-b5e6-96231b3b80d8
Pull the `-preserve-ll-uselistorder` bit up through all the callers of
`Module::print()`. I converted callers of `operator<<` to
`Module::print()` where necessary to pull the bit through.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234968 91177308-0d34-0410-b5e6-96231b3b80d8
Change the callers of `WriteToBitcodeFile()` to pass `true` or
`shouldPreserveBitcodeUseListOrder()` explicitly. I left the callers
that want to send `false` alone.
I'll keep pushing the bit higher until hopefully I can delete the global
`cl::opt` entirely.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234957 91177308-0d34-0410-b5e6-96231b3b80d8
Change all the normally relevant output in `verify-uselistorder` from
using `dbgs()` to using `outs()` and `errs()`. Now you don't need
`-debug=uselistorder` to figure out what's going on (or at what stage
verification failed, or to get the paths of the left-behind temporary
files). This is a debugging tool, so I put the logging messages on
`outs()` and the error messages on `errs()`.
I also adjusted the output to be less ***loud***. Not sure why I was so
`*`-happy when I first wrote this.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234929 91177308-0d34-0410-b5e6-96231b3b80d8
But keep it on by default in `llvm-as`, `opt`, `bugpoint`, `llvm-link`,
`llvm-extract`, and `LTOCodeGenerator`. Part of PR5680.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234921 91177308-0d34-0410-b5e6-96231b3b80d8
Rename options to be consistent with the name of `verify-uselistorder`,
and update `DEBUG_TYPE` (etc.) to be consistent.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234919 91177308-0d34-0410-b5e6-96231b3b80d8
Gut the `DIDescriptor` wrappers around `MDLocalScope` subclasses. Note
that `DILexicalBlock` wraps `MDLexicalBlockBase`, not `MDLexicalBlock`.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234850 91177308-0d34-0410-b5e6-96231b3b80d8
Gut all the non-pointer API from the variable wrappers, except an
implicit conversion from `DIGlobalVariable` to `DIDescriptor`. Note
that if you're updating out-of-tree code, `DIVariable` wraps
`MDLocalVariable` (`MDVariable` is a common base class shared with
`MDGlobalVariable`).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234840 91177308-0d34-0410-b5e6-96231b3b80d8
debugging output to the LLI orc-lazy JIT, and update the orc-lazy "hello.ll"
test to actually test for lazy compilation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234805 91177308-0d34-0410-b5e6-96231b3b80d8
The patch is generated using clang-tidy misc-use-override check.
This command was used:
tools/clang/tools/extra/clang-tidy/tool/run-clang-tidy.py \
-checks='-*,misc-use-override' -header-filter='llvm|clang' \
-j=32 -fix -format
http://reviews.llvm.org/D8925
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234679 91177308-0d34-0410-b5e6-96231b3b80d8
formatted_raw_ostream is a wrapper over another stream to add column and line
number tracking.
It is used only for asm printing.
This patch moves the its creation down to where we know we are printing
assembly. This has the following advantages:
* Simpler lifetime management: std::unique_ptr
* We don't compute column and line number of object files :-)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234535 91177308-0d34-0410-b5e6-96231b3b80d8
Revert "Add classof implementations to the raw_ostream classes."
Revert "Use the cast machinery to remove dummy uses of formatted_raw_ostream."
The underlying issue can be fixed without classof.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234495 91177308-0d34-0410-b5e6-96231b3b80d8
If we know we are producing an object, we don't need to wrap the stream
in a formatted_raw_ostream anymore.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234461 91177308-0d34-0410-b5e6-96231b3b80d8
`DIDescriptor`'s subclasses allow construction from incompatible
pointers, and `DIDescriptor` defines a series of `isa<>`-like functions
(e.g., `isCompileUnit()` instead of `isa<MDCompileUnit>()`) that clients
tend to use like this:
if (DICompileUnit(N).isCompileUnit())
foo(DICompileUnit(N));
These construction patterns work together to make `DIDescriptor` behave
differently from normal pointers.
Instead, use built-in `isa<>`, `dyn_cast<>`, etc., and only build
`DIDescriptor`s from pointers that are valid for their type.
I've split this into a few commits for different parts of LLVM and clang
(to decrease the patch size and increase the chance of review).
Generally the changes I made were NFC, but in a few places I made things
stricter if it made sense from the surrounded code.
Eventually a follow-up commit will remove the API for the "old" way.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234255 91177308-0d34-0410-b5e6-96231b3b80d8
incorrectly because it came from an expression using S.getAddress() which always
returns a 64-bit value.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234251 91177308-0d34-0410-b5e6-96231b3b80d8
