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Add some more bulletproofing to auto upgrade of llvm.dbg intrinsics.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26996 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -153,35 +153,31 @@ static Function *getUpgradedIntrinsic(Function *F) {
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// of zero in the array indicates replacing with UndefValue for the arg type.
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// NULL is returned if there is no permutation. It's assumed that the function
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// name is in the form "llvm.?????"
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static unsigned *getArgumentPermutation(Function* F) {
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const std::string& Name = F->getName();
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const FunctionType *FTy = F->getFunctionType();
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unsigned N = FTy->getNumParams();
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static unsigned *getArgumentPermutation(Function* Fn, Function* NewFn) {
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const std::string& Name = Fn->getName();
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unsigned N = Fn->getFunctionType()->getNumParams();
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unsigned M = NewFn->getFunctionType()->getNumParams();
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switch (Name[5]) {
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case 'd':
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if (Name == "llvm.dbg.stoppoint") {
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static unsigned Permutation[] = { 2, 3, 4 };
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assert(F->getFunctionType()->getNumParams() ==
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(sizeof(Permutation) / sizeof(unsigned)) &&
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assert(M == (sizeof(Permutation) / sizeof(unsigned)) &&
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"Permutation is wrong length");
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if (N == 4) return Permutation;
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} else if (Name == "llvm.dbg.region.start") {
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static unsigned Permutation[] = { 0 };
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assert(F->getFunctionType()->getNumParams() ==
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(sizeof(Permutation) / sizeof(unsigned)) &&
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assert(M == (sizeof(Permutation) / sizeof(unsigned)) &&
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"Permutation is wrong length");
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if (N == 0) return Permutation;
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} else if (Name == "llvm.dbg.region.end") {
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static unsigned Permutation[] = { 0 };
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assert(F->getFunctionType()->getNumParams() ==
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(sizeof(Permutation) / sizeof(unsigned)) &&
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assert(M == (sizeof(Permutation) / sizeof(unsigned)) &&
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"Permutation is wrong length");
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if (N == 0) return Permutation;
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} else if (Name == "llvm.dbg.declare") {
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static unsigned Permutation[] = { 0, 0 };
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assert(F->getFunctionType()->getNumParams() ==
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(sizeof(Permutation) / sizeof(unsigned)) &&
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assert(M == (sizeof(Permutation) / sizeof(unsigned)) &&
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"Permutation is wrong length");
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if (N == 0) return Permutation;
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}
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@ -259,7 +255,7 @@ void llvm::UpgradeIntrinsicCall(CallInst *CI, Function *NewFn) {
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const FunctionType *NewFnTy = NewFn->getFunctionType();
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std::vector<Value*> Oprnds;
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unsigned *Permutation = getArgumentPermutation(F);
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unsigned *Permutation = getArgumentPermutation(F, NewFn);
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unsigned N = NewFnTy->getNumParams();
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if (Permutation) {
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