internal, they shouldn't use the indirect pointer stuff. In the case of
throw_rethrow_test, it was marked as 'internal' and calculated its own offset to
its contents.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82354 91177308-0d34-0410-b5e6-96231b3b80d8
into the __DATA section. At launch time, dyld has to update most of the section
to fix up the type info pointers. It's better to place it into the __TEXT
section and use pc-rel indirect pointer encodings. Similar to the personality
routine.
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getSymbolForDwarfGlobalReference is smart enough to know that it
needs to register the stub it references with MachineModuleInfoMachO,
so that it gets emitted at the end of the file.
Move stub emission from X86ATTAsmPrinter::doFinalization to the
new X86ATTAsmPrinter::EmitEndOfAsmFile asmprinter hook. The important
thing here is that EmitEndOfAsmFile is called *after* the ehframes are
emitted, so we get all the stubs.
This allows us to remove a gross hack from the asmprinter where it would
"just know" that it needed to output stubs for personality functions.
Now this is all driven from a consistent interface.
The testcase change is just reordering the expected output now that the
stubs come out after the ehframe instead of before.
This also unblocks other changes that Bill wants to make.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82269 91177308-0d34-0410-b5e6-96231b3b80d8
move a SUBFC (etc.) below the SUBFE (etc.) that consumed
the carry bit. Add missing ADDIC8, noticed along the way.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82266 91177308-0d34-0410-b5e6-96231b3b80d8
on x86, to avoid explicit test instructions. A few existing tests changed
due to arbitrary register allocation differences.
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trying to create RMW opportunities in the x86 backend. This can cause a
cycle to appear in the graph, since the other uses may eventually feed into
the TokenFactor we are sinking the load below.
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the Intel instruction tables.
The patterns will stay blank because ADD reg, reg
is faster, but having the encoding available is
useful for the disassembler.
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Eliminate the PersonalityPrefix/Suffix & NeedsIndirectEncoding
fields from MAI: they aren't part of the asm syntax, they are
related to the structure of the object file.
To replace their functionality, add a new
TLOF::getSymbolForDwarfGlobalReference method which asks targets
to decide how to reference a global from EH in a pc-relative way.
The default implementation just returns the symbol. The default
darwin implementation references the symbol through an indirect
$non_lazy_ptr stub. The bizarro x86-64 darwin specialization
handles the weird "foo@GOTPCREL+4" hack.
DwarfException.cpp now uses this to emit the reference to the
symbol in the right way, and this also eliminates another
horrible hack from DwarfException.cpp:
- if (strcmp(MAI->getPersonalitySuffix(), "+4@GOTPCREL"))
- O << "-" << MAI->getPCSymbol();
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All of these do not have patterns (they're for the
disassembler).
Many of the floating-point instructions will probably
be rolled into definitions that have patterns, and may
eventually be superseded by mdefs. So I put them
together and left a comment.
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and use PersonalityPrefix/Suffix to achieve the same effect (like
the x86 backend).
This changes the code generated for ppc static mode, but guess what,
we were generating this before:
.byte 0x9B ; Personality (indirect pcrel sdata4)
.long ___gxx_personality_v0-. ; Personality
which is not correct! (it is not an 'indirect' reference).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81965 91177308-0d34-0410-b5e6-96231b3b80d8
