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Reverting dtor devirtualization patch.

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_sabre_: it has a major problem: by the time ~Value is run, all of the "parts" of the derived classes have been destroyed
_sabre_: the vtable lives to fight another day

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44760 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Gordon Henriksen
2007-12-10 02:14:30 +00:00
parent 65b211807d
commit afba8fe662
21 changed files with 228 additions and 663 deletions
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9
include/llvm/GlobalValue.h
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@ -63,12 +63,11 @@ protected:
unsigned Visibility : 2; // The visibility style of this global
unsigned Alignment : 16; // Alignment of this symbol, must be power of two
std::string Section; // Section to emit this into, empty mean default
static void destroyThis(GlobalValue*v) {
v->removeDeadConstantUsers(); // remove any dead constants using this.
Constant::destroyThis(v);
}
public:
~GlobalValue() {
removeDeadConstantUsers(); // remove any dead constants using this.
}
unsigned getAlignment() const { return Alignment; }
void setAlignment(unsigned Align) {
assert((Align & (Align-1)) == 0 && "Alignment is not a power of 2!");