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Make sure the initialization of a GC root is after its definition.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101388 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nicolas Geoffray 2010-04-15 19:53:35 +00:00
parent 764f62ba60
commit 8538f0496a
1 changed files with 4 additions and 3 deletions
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7
lib/CodeGen/GCStrategy.cpp
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@ -181,9 +181,10 @@ bool LowerIntrinsics::InsertRootInitializers(Function &F, AllocaInst **Roots,
for (AllocaInst **I = Roots, **E = Roots + Count; I != E; ++I)
if (!InitedRoots.count(*I)) {
new StoreInst(ConstantPointerNull::get(cast<PointerType>(
cast<PointerType>((*I)->getType())->getElementType())),
*I, IP);
StoreInst* SI = new StoreInst(ConstantPointerNull::get(cast<PointerType>(
cast<PointerType>((*I)->getType())->getElementType())),
*I);
SI->insertAfter(*I);
MadeChange = true;
}