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Resubmit an earlier patch of mine:

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reduce the size of relevant "ghostly" sentinels
by a pointer.

This attempt now makes the compactification dependent
on the configure variable LLVM_COMPACT_SENTINELS
and should not cause any bootstrap failures for
llvm-gcc any more.

Please note that this is not yet the final version,
and (as settled with Chris) I shall take out the
autofoo/cmake portions in the next days.

This will also lose the assertability on sentinel
dereferencing and operator++, but that seems
an acceptable price to pay for the simplified
build logic.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79938 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Gabor Greif
2009-08-24 21:34:17 +00:00
parent 81fece667e
commit fd7a918e58
7 changed files with 48 additions and 18 deletions
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2
include/llvm/CodeGen/MachineBasicBlock.h
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@ -26,7 +26,7 @@ class raw_ostream;
template <>
struct ilist_traits<MachineInstr> : public ilist_default_traits<MachineInstr> {
private:
mutable ilist_node<MachineInstr> Sentinel;
mutable ILIST_NODE<MachineInstr> Sentinel;
// this is only set by the MachineBasicBlock owning the LiveList
friend class MachineBasicBlock;