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Reapply my 6/9 changes. The bug Evan saw no longer occurs.

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llvm-svn: 28759
This commit is contained in:
Owen Anderson 2006-06-12 21:49:21 +00:00
parent 649af38df3
commit 276e728e4b
1 changed files with 7 additions and 1 deletions
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8
lib/Transforms/Scalar/LoopUnswitch.cpp
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@ -73,6 +73,8 @@ namespace {
AU.addPreservedID(LoopSimplifyID);
AU.addRequired<LoopInfo>();
AU.addPreserved<LoopInfo>();
AU.addRequiredID(LCSSAID);
AU.addPreservedID(LCSSAID);
}
private:
@ -154,6 +156,8 @@ static Value *FindLIVLoopCondition(Value *Cond, Loop *L, bool &Changed) {
}
bool LoopUnswitch::visitLoop(Loop *L) {
assert(L->isLCSSAForm());
bool Changed = false;
// Loop over all of the basic blocks in the loop. If we find an interior
@ -198,7 +202,9 @@ bool LoopUnswitch::visitLoop(Loop *L) {
}
}
}
assert(L->isLCSSAForm());
return Changed;
}