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Fix bug raising allocations whose call sites were invoke instructions.
Thanks to brg for tracking down the problem so precisely! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8568 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -9,6 +9,7 @@
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#include "llvm/Module.h"
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#include "llvm/DerivedTypes.h"
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#include "llvm/iMemory.h"
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#include "llvm/iTerminators.h"
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#include "llvm/iOther.h"
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#include "llvm/Pass.h"
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#include "llvm/Support/CallSite.h"
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@ -130,6 +131,13 @@ bool RaiseAllocations::run(Module &M) {
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std::string Name(I->getName()); I->setName("");
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MallocInst *MI = new MallocInst(Type::SByteTy, Source, Name, I);
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I->replaceAllUsesWith(MI);
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// If the old instruction was an invoke, add an unconditional branch
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// before the invoke, which will become the new terminator.
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if (InvokeInst *II = dyn_cast<InvokeInst>(I))
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new BranchInst(II->getNormalDest(), I);
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// Delete the old call site
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MI->getParent()->getInstList().erase(I);
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Changed = true;
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++NumRaised;
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@ -160,6 +168,13 @@ bool RaiseAllocations::run(Module &M) {
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Source = new CastInst(Source, PointerType::get(Type::SByteTy),
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"FreePtrCast", I);
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new FreeInst(Source, I);
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// If the old instruction was an invoke, add an unconditional branch
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// before the invoke, which will become the new terminator.
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if (InvokeInst *II = dyn_cast<InvokeInst>(I))
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new BranchInst(II->getNormalDest(), I);
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// Delete the old call site
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I->getParent()->getInstList().erase(I);
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Changed = true;
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++NumRaised;
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