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Fix bug raising allocations whose call sites were invoke instructions.

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Thanks to brg for tracking down the problem so precisely!

llvm-svn: 8568
This commit is contained in:
Chris Lattner 2003-09-16 19:42:21 +00:00
parent 8502d4f3f8
commit 13c224fd17
1 changed files with 15 additions and 0 deletions
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15
lib/Transforms/IPO/RaiseAllocations.cpp
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@ -9,6 +9,7 @@
#include "llvm/Module.h"
#include "llvm/DerivedTypes.h"
#include "llvm/iMemory.h"
#include "llvm/iTerminators.h"
#include "llvm/iOther.h"
#include "llvm/Pass.h"
#include "llvm/Support/CallSite.h"
@ -130,6 +131,13 @@ bool RaiseAllocations::run(Module &M) {
std::string Name(I->getName()); I->setName("");
MallocInst *MI = new MallocInst(Type::SByteTy, Source, Name, I);
I->replaceAllUsesWith(MI);
// If the old instruction was an invoke, add an unconditional branch
// before the invoke, which will become the new terminator.
if (InvokeInst *II = dyn_cast<InvokeInst>(I))
new BranchInst(II->getNormalDest(), I);
// Delete the old call site
MI->getParent()->getInstList().erase(I);
Changed = true;
++NumRaised;
@ -160,6 +168,13 @@ bool RaiseAllocations::run(Module &M) {
Source = new CastInst(Source, PointerType::get(Type::SByteTy),
"FreePtrCast", I);
new FreeInst(Source, I);
// If the old instruction was an invoke, add an unconditional branch
// before the invoke, which will become the new terminator.
if (InvokeInst *II = dyn_cast<InvokeInst>(I))
new BranchInst(II->getNormalDest(), I);
// Delete the old call site
I->getParent()->getInstList().erase(I);
Changed = true;
++NumRaised;