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Make the ARM AsmPrinter independent of global subtarget

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initialization. Initialize the subtarget once per function and
migrate Emit{Start|End}OfAsmFile to either use attributes on the
TargetMachine or get information from the subtarget we'd use
for assembling. One bit (getISAEncoding) touched the general
AsmPrinter and the debug output. Handle this one by passing
the function for the subprogram down and updating all callers
and users.

The top-level-ness of the ARM attribute output for assembly is,
by nature, contrary to how we'd want to do this for an LTO
situation where we have multiple cpu architectures so this
solution is good enough for now.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@229528 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher
2015-02-17 20:02:32 +00:00
parent cd3a8ad3e7
commit 24dded2342
5 changed files with 93 additions and 70 deletions
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2
lib/CodeGen/AsmPrinter/DwarfUnit.cpp
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@ -1344,7 +1344,7 @@ void DwarfUnit::applySubprogramAttributes(DISubprogram SP, DIE &SPDie,
if (SP.isOptimized())
addFlag(SPDie, dwarf::DW_AT_APPLE_optimized);
if (unsigned isa = Asm->getISAEncoding()) {
if (unsigned isa = Asm->getISAEncoding(SP.getFunction())) {
addUInt(SPDie, dwarf::DW_AT_APPLE_isa, dwarf::DW_FORM_flag, isa);
}