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Reapply my previous asmprinter changes now with more testing and two

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additional bug fixes:

1. The bug that everyone hit was a problem in the asmprinter where it
   would remove $stub but keep the L prefix on a name when emitting the
   indirect symbol.  This is easy to fix by keeping the name of the stub
   and the name of the symbol in a StringMap instead of just keeping a
   StringSet and trying to reconstruct it late.

2. There was a problem printing the personality function.  The current
   logic to print out the personality function from the DWARF information
   is a bit of a cesspool right now that duplicates a bunch of other 
   logic in the asm printer.  The short version of it is that it depends
   on emitting both the L and _ prefix for symbols (at least on darwin)
   and until I can untangle it, it is best to switch the mangler back to
   emitting both prefixes.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75646 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2009-07-14 18:17:16 +00:00
parent 95cf30c444
commit b8158acc23
27 changed files with 174 additions and 176 deletions
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tools/bugpoint/Miscompilation.cpp
+2 -2
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@@ -244,9 +244,9 @@ static void DisambiguateGlobalSymbols(Module *M) {
Mang.setPreserveAsmNames(true);
for (Module::global_iterator I = M->global_begin(), E = M->global_end();
I != E; ++I)
I->setName(Mang.getValueName(I));
I->setName(Mang.getMangledName(I));
for (Module::iterator I = M->begin(), E = M->end(); I != E; ++I)
I->setName(Mang.getValueName(I));
I->setName(Mang.getMangledName(I));
}
/// ExtractLoops - Given a reduced list of functions that still exposed the bug,