Debug Info: clean up usage of Verify.

No functionality change.
It should suffice to check the type of a debug info metadata, instead of
calling Verify. For cases where we know the type of a DI metadata, use
assert.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185249 91177308-0d34-0410-b5e6-96231b3b80d8

lib/IR/DIBuilder.cpp

@@ -1153,7 +1153,8 @@ DILexicalBlock DIBuilder::createLexicalBlock(DIDescriptor Scope, DIFile File,
 Instruction *DIBuilder::insertDeclare(Value *Storage, DIVariable VarInfo,
                                       Instruction *InsertBefore) {
   assert(Storage && "no storage passed to dbg.declare");
-  assert(VarInfo.Verify() && "empty DIVariable passed to dbg.declare");
+  assert(VarInfo.isVariable() &&
+         "empty or invalid DIVariable passed to dbg.declare");
   if (!DeclareFn)
     DeclareFn = Intrinsic::getDeclaration(&M, Intrinsic::dbg_declare);
 
@@ -1165,7 +1166,8 @@ Instruction *DIBuilder::insertDeclare(Value *Storage, DIVariable VarInfo,
 Instruction *DIBuilder::insertDeclare(Value *Storage, DIVariable VarInfo,
                                       BasicBlock *InsertAtEnd) {
   assert(Storage && "no storage passed to dbg.declare");
-  assert(VarInfo.Verify() && "invalid DIVariable passed to dbg.declare");
+  assert(VarInfo.isVariable() &&
+         "empty or invalid DIVariable passed to dbg.declare");
   if (!DeclareFn)
     DeclareFn = Intrinsic::getDeclaration(&M, Intrinsic::dbg_declare);
 
@@ -1184,7 +1186,8 @@ Instruction *DIBuilder::insertDbgValueIntrinsic(Value *V, uint64_t Offset,
                                                 DIVariable VarInfo,
                                                 Instruction *InsertBefore) {
   assert(V && "no value passed to dbg.value");
-  assert(VarInfo.Verify() && "invalid DIVariable passed to dbg.value");
+  assert(VarInfo.isVariable() &&
+         "empty or invalid DIVariable passed to dbg.value");
   if (!ValueFn)
     ValueFn = Intrinsic::getDeclaration(&M, Intrinsic::dbg_value);
 
@@ -1199,7 +1202,8 @@ Instruction *DIBuilder::insertDbgValueIntrinsic(Value *V, uint64_t Offset,
                                                 DIVariable VarInfo,
                                                 BasicBlock *InsertAtEnd) {
   assert(V && "no value passed to dbg.value");
-  assert(VarInfo.Verify() && "invalid DIVariable passed to dbg.value");
+  assert(VarInfo.isVariable() &&
+         "empty or invalid DIVariable passed to dbg.value");
   if (!ValueFn)
     ValueFn = Intrinsic::getDeclaration(&M, Intrinsic::dbg_value);
 

lib/IR/DebugInfo.cpp

@@ -1213,8 +1213,10 @@ static void printDebugLoc(DebugLoc DL, raw_ostream &CommentOS,
                           const LLVMContext &Ctx) {
   if (!DL.isUnknown()) {          // Print source line info.
     DIScope Scope(DL.getScope(Ctx));
+    assert((!Scope || Scope.isScope()) &&
+      "Scope of a DebugLoc should be null or a DIScope.");
     // Omit the directory, because it's likely to be long and uninteresting.
-    if (Scope.Verify())
+    if (Scope)
       CommentOS << Scope.getFilename();
     else
       CommentOS << "<unknown>";