mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-21 18:29:46 +00:00
Remove some dead code from the days llvm had type planes.
There might be more dead code, but with llvm-gcc bootstrap broken on linux x86-64 it is had to test :-( git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62088 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
parent
1f1d6e4bfc
commit
c775ea1376
@ -51,11 +51,6 @@ class Mangler {
|
||||
DenseMap<const Type*, unsigned> TypeMap;
|
||||
unsigned TypeCounter;
|
||||
|
||||
/// This keeps track of which global values have had their names
|
||||
/// mangled in the current module.
|
||||
///
|
||||
SmallPtrSet<const GlobalValue*, 16> MangledGlobals;
|
||||
|
||||
/// AcceptableChars - This bitfield contains a one for each character that is
|
||||
/// allowed to be part of an unmangled name.
|
||||
unsigned AcceptableChars[256/32];
|
||||
|
@ -145,49 +145,13 @@ std::string Mangler::getValueName(const GlobalValue *GV, const char * Suffix) {
|
||||
unsigned TypeUniqueID = getTypeID(GV->getType());
|
||||
static unsigned GlobalID = 0;
|
||||
Name = "__unnamed_" + utostr(TypeUniqueID) + "_" + utostr(GlobalID++);
|
||||
} else if (!MangledGlobals.count(GV)) {
|
||||
Name = makeNameProper(GV->getName() + Suffix, Prefix);
|
||||
} else {
|
||||
unsigned TypeUniqueID = getTypeID(GV->getType());
|
||||
Name = "l" + utostr(TypeUniqueID) + "_" + makeNameProper(GV->getName());
|
||||
Name = makeNameProper(GV->getName() + Suffix, Prefix);
|
||||
}
|
||||
|
||||
return Name;
|
||||
}
|
||||
|
||||
static void InsertName(GlobalValue *GV, StringMap<GlobalValue*> &Names,
|
||||
SmallPtrSet<const GlobalValue*, 16> &MangledGlobals) {
|
||||
if (!GV->hasName()) // We must mangle unnamed globals.
|
||||
return;
|
||||
|
||||
// Figure out if this is already used.
|
||||
GlobalValue *&ExistingValue = Names[GV->getNameStart()];
|
||||
if (!ExistingValue) {
|
||||
ExistingValue = GV;
|
||||
return;
|
||||
}
|
||||
|
||||
// If GV is external but the existing one is static, mangle the existing one
|
||||
if ((GV->hasExternalLinkage() || GV->hasDLLImportLinkage()) &&
|
||||
!(ExistingValue->hasExternalLinkage()
|
||||
|| ExistingValue->hasDLLImportLinkage())) {
|
||||
MangledGlobals.insert(ExistingValue);
|
||||
ExistingValue = GV;
|
||||
} else if ((GV->hasExternalLinkage() ||
|
||||
GV->hasDLLImportLinkage()) &&
|
||||
(ExistingValue->hasExternalLinkage() ||
|
||||
ExistingValue->hasDLLImportLinkage()) &&
|
||||
GV->isDeclaration() &&
|
||||
ExistingValue->isDeclaration()) {
|
||||
// If the two globals both have external inkage, and are both external,
|
||||
// don't mangle either of them, we just have some silly type mismatch.
|
||||
} else {
|
||||
// Otherwise, mangle GV
|
||||
MangledGlobals.insert(GV);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
Mangler::Mangler(Module &M, const char *prefix)
|
||||
: Prefix(prefix), UseQuotes(false), PreserveAsmNames(false),
|
||||
Count(0), TypeCounter(0) {
|
||||
@ -205,13 +169,4 @@ Mangler::Mangler(Module &M, const char *prefix)
|
||||
markCharAcceptable('_');
|
||||
markCharAcceptable('$');
|
||||
markCharAcceptable('.');
|
||||
|
||||
// Calculate which global values have names that will collide when we throw
|
||||
// away type information.
|
||||
StringMap<GlobalValue*> Names;
|
||||
for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I)
|
||||
InsertName(I, Names, MangledGlobals);
|
||||
for (Module::global_iterator I = M.global_begin(), E = M.global_end();
|
||||
I != E; ++I)
|
||||
InsertName(I, Names, MangledGlobals);
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user