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llvm-svn: 187437
This commit is contained in:
Andrew Trick 2013-07-30 19:59:15 +00:00
parent bdb01cf4bd
commit 05b1db7761
1 changed files with 2 additions and 2 deletions
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4
include/llvm/CodeGen/SlotIndexes.h
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@ -59,7 +59,7 @@ namespace llvm {
// poisoned, so that dangling SlotIndex access can be reliably detected.
void setPoison() {
intptr_t tmp = reinterpret_cast<intptr_t>(mi);
assert(((tmp & 0x1) == 0x0) && "Pointer already poisoned?");
assert(((tmp & 0x1) == 0x0) && "Pointer already poisoned?");
tmp |= 0x1;
mi = reinterpret_cast<MachineInstr*>(tmp);
}
@ -672,7 +672,7 @@ namespace llvm {
/// performance. Any remaining SlotIndex objects that point to the same
/// index are left 'dangling' (much the same as a dangling pointer to a
/// freed object) and should not be accessed, except to destruct them.
///
///
/// Like dangling pointers, access to dangling SlotIndexes can cause
/// painful-to-track-down bugs, especially if the memory for the index
/// previously pointed to has been re-used. To detect dangling SlotIndex