fix typo

[oota-llvm.git] / lib / IR / TypeFinder.cpp

diff --git a/lib/IR/TypeFinder.cpp b/lib/IR/TypeFinder.cpp
index 7e92818db5e213db6ae44a622a998891f063dba4..b5bdab0865b6122418d3a8ac570985d1cd50ff7e 100644 (file)
--- a/lib/IR/TypeFinder.cpp
+++ b/lib/IR/TypeFinder.cpp
@@ -44,16 +44,13 @@ void TypeFinder::run(const Module &M, bool onlyNamed) {
   for (Module::const_iterator FI = M.begin(), E = M.end(); FI != E; ++FI) {
     incorporateType(FI->getType());
 
-    if (FI->hasPrefixData())
-      incorporateValue(FI->getPrefixData());
-
-    if (FI->hasPrologueData())
-      incorporateValue(FI->getPrologueData());
+    for (const Use &U : FI->operands())
+      incorporateValue(U.get());
 
     // First incorporate the arguments.
     for (Function::const_arg_iterator AI = FI->arg_begin(),
            AE = FI->arg_end(); AI != AE; ++AI)
-      incorporateValue(AI);
+      incorporateValue(&*AI);
 
     for (Function::const_iterator BB = FI->begin(), E = FI->end();
          BB != E;++BB)
@@ -68,7 +65,7 @@ void TypeFinder::run(const Module &M, bool onlyNamed) {
         // instructions with this loop.)
         for (User::const_op_iterator OI = I.op_begin(), OE = I.op_end();
              OI != OE; ++OI)
-          if (!isa<Instruction>(OI))
+          if (*OI && !isa<Instruction>(OI))
             incorporateValue(*OI);
 
         // Incorporate types hiding in metadata.
@@ -82,7 +79,7 @@ void TypeFinder::run(const Module &M, bool onlyNamed) {
 
   for (Module::const_named_metadata_iterator I = M.named_metadata_begin(),
          E = M.named_metadata_end(); I != E; ++I) {
-    const NamedMDNode *NMD = I;
+    const NamedMDNode *NMD = &*I;
     for (unsigned i = 0, e = NMD->getNumOperands(); i != e; ++i)
       incorporateMDNode(NMD->getOperand(i));
   }
@@ -125,8 +122,13 @@ void TypeFinder::incorporateType(Type *Ty) {
 /// other ways.  GlobalValues, basic blocks, instructions, and inst operands are
 /// all explicitly enumerated.
 void TypeFinder::incorporateValue(const Value *V) {
-  if (const MDNode *M = dyn_cast<MDNode>(V))
-    return incorporateMDNode(M);
+  if (const auto *M = dyn_cast<MetadataAsValue>(V)) {
+    if (const auto *N = dyn_cast<MDNode>(M->getMetadata()))
+      return incorporateMDNode(N);
+    if (const auto *MDV = dyn_cast<ValueAsMetadata>(M->getMetadata()))
+      return incorporateValue(MDV->getValue());
+    return;
+  }
 
   if (!isa<Constant>(V) || isa<GlobalValue>(V)) return;
 
@@ -152,11 +154,21 @@ void TypeFinder::incorporateValue(const Value *V) {
 /// find types hiding within.
 void TypeFinder::incorporateMDNode(const MDNode *V) {
   // Already visited?
-  if (!VisitedConstants.insert(V).second)
+  if (!VisitedMetadata.insert(V).second)
     return;
 
   // Look in operands for types.
-  for (unsigned i = 0, e = V->getNumOperands(); i != e; ++i)
-    if (Value *Op = V->getOperand(i))
-      incorporateValue(Op);
+  for (unsigned i = 0, e = V->getNumOperands(); i != e; ++i) {
+    Metadata *Op = V->getOperand(i);
+    if (!Op)
+      continue;
+    if (auto *N = dyn_cast<MDNode>(Op)) {
+      incorporateMDNode(N);
+      continue;
+    }
+    if (auto *C = dyn_cast<ConstantAsMetadata>(Op)) {
+      incorporateValue(C->getValue());
+      continue;
+    }
+  }
 }