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Introduce SpecificBumpPtrAllocator, a wrapper for BumpPtrAllocator which allows

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only a single type of object to be allocated. Use it to make VNInfo destruction
typesafe.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99919 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Benjamin Kramer
2010-03-30 20:16:45 +00:00
parent 820580dfa9
commit 991de14dd6
9 changed files with 58 additions and 49 deletions
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15
lib/Support/Allocator.cpp
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@@ -78,21 +78,6 @@ void BumpPtrAllocator::Reset() {
End = ((char*)CurSlab) + CurSlab->Size;
}
void BumpPtrAllocator::Reset(size_t Size, size_t Alignment, DTorFunction DTor) {
if (Alignment == 0) Alignment = 1;
MemSlab *Slab = CurSlab;
while (Slab) {
char *End = Slab == CurSlab ? CurPtr : (char*)Slab + Slab->Size;
for (char *Ptr = (char*)Slab+1; Ptr < End; Ptr += Size) {
Ptr = AlignPtr(Ptr, Alignment);
if (Ptr + Size <= End)
DTor(Ptr);
}
Slab = Slab->NextPtr;
}
Reset();
}
/// Allocate - Allocate space at the specified alignment.
///
void *BumpPtrAllocator::Allocate(size_t Size, size_t Alignment) {