1 files changed, 5 insertions, 21 deletions

diff --git a/llvm/lib/IR/Verifier.cpp b/llvm/lib/IR/Verifier.cpp
index 2b9dfcea2fb..b0ba1c7a592 100644
--- a/llvm/lib/IR/Verifier.cpp
+++ b/llvm/lib/IR/Verifier.cpp
@@ -580,6 +580,7 @@ void Verifier::visitGlobalVariable(const GlobalVariable &GV) {
            "Global variable initializer type does not match global "
            "variable type!",
            &GV);
+
     // If the global has common linkage, it must have a zero initializer and
     // cannot be constant.
     if (GV.hasCommonLinkage()) {
@@ -645,16 +646,6 @@ void Verifier::visitGlobalVariable(const GlobalVariable &GV) {
              GV.hasAvailableExternallyLinkage(),
          "Global is marked as dllimport, but not external", &GV);
 
-  // Visit any debug info attachments.
-  SmallVector<MDNode *, 1> MDs;
-  GV.getMetadata(LLVMContext::MD_dbg, MDs);
-  for (auto *MD : MDs) {
-    if (auto *GVE = dyn_cast<DIGlobalVariableExpression>(MD))
-      visitDIGlobalVariableExpression(*GVE);
-    else
-      AssertDI(false, "!dbg attachment of global variable must be a DIGlobalVariableExpression");
-  }
-
   if (!GV.hasInitializer()) {
     visitGlobalValue(GV);
     return;
@@ -997,8 +988,8 @@ void Verifier::visitDICompileUnit(const DICompileUnit &N) {
   if (auto *Array = N.getRawGlobalVariables()) {
     AssertDI(isa<MDTuple>(Array), "invalid global variable list", &N, Array);
     for (Metadata *Op : N.getGlobalVariables()->operands()) {
-      AssertDI(Op && (isa<DIGlobalVariableExpression>(Op)),
-               "invalid global variable ref", &N, Op);
+      AssertDI(Op && isa<DIGlobalVariable>(Op), "invalid global variable ref",
+               &N, Op);
     }
   }
   if (auto *Array = N.getRawImportedEntities()) {
@@ -1141,6 +1132,8 @@ void Verifier::visitDIGlobalVariable(const DIGlobalVariable &N) {
 
   AssertDI(N.getTag() == dwarf::DW_TAG_variable, "invalid tag", &N);
   AssertDI(!N.getName().empty(), "missing global variable name", &N);
+  if (auto *V = N.getRawExpr())
+    AssertDI(isa<DIExpression>(V), "invalid expression location", &N, V);
   if (auto *Member = N.getRawStaticDataMemberDeclaration()) {
     AssertDI(isa<DIDerivedType>(Member),
              "invalid static data member declaration", &N, Member);
@@ -1160,15 +1153,6 @@ void Verifier::visitDIExpression(const DIExpression &N) {
   AssertDI(N.isValid(), "invalid expression", &N);
 }
 
-void Verifier::visitDIGlobalVariableExpression(
-    const DIGlobalVariableExpression &GVE) {
-  AssertDI(GVE.getVariable(), "missing variable");
-  if (auto *Var = GVE.getVariable())
-    visitDIGlobalVariable(*Var);
-  if (auto *Expr = GVE.getExpression())
-    visitDIExpression(*Expr);
-}
-
 void Verifier::visitDIObjCProperty(const DIObjCProperty &N) {
   AssertDI(N.getTag() == dwarf::DW_TAG_APPLE_property, "invalid tag", &N);
   if (auto *T = N.getRawType())