From 4e6013250d319a7ca4fc7fb5ba9ac7b1b28d2b4f Mon Sep 17 00:00:00 2001
From: Arthur Eubanks <aeubanks@google.com>
Date: Fri, 9 Jul 2021 09:55:07 -0700
Subject: [PATCH] [NFC][OpaquePtr] Use GlobalValue::getValueType() more

Instead of getType()->getElementType().
---
 llvm/lib/IR/Module.cpp                              | 2 +-
 llvm/lib/Linker/LinkModules.cpp                     | 3 +--
 llvm/lib/Object/IRSymtab.cpp                        | 4 ++--
 llvm/lib/Transforms/IPO/GlobalOpt.cpp               | 2 +-
 llvm/lib/Transforms/Utils/MemoryOpRemark.cpp        | 2 +-
 llvm/lib/Transforms/Utils/ValueMapper.cpp           | 4 ++--
 llvm/unittests/Transforms/Utils/ModuleUtilsTest.cpp | 3 +--
 7 files changed, 9 insertions(+), 11 deletions(-)

diff --git a/llvm/lib/IR/Module.cpp b/llvm/lib/IR/Module.cpp
index 9b955500b6180f..7c18dc0ed299ff 100644
--- a/llvm/lib/IR/Module.cpp
+++ b/llvm/lib/IR/Module.cpp
@@ -506,7 +506,7 @@ std::string Module::getUniqueIntrinsicName(StringRef BaseName, Intrinsic::ID Id,
     }
 
     // A declaration with this name already exists. Remember it.
-    FunctionType *FT = dyn_cast<FunctionType>(F->getType()->getElementType());
+    FunctionType *FT = dyn_cast<FunctionType>(F->getValueType());
     auto UinItInserted = UniquedIntrinsicNames.insert({{Id, FT}, Count});
     if (FT == Proto) {
       // It was a declaration for our prototype. This entry was allocated in the
diff --git a/llvm/lib/Linker/LinkModules.cpp b/llvm/lib/Linker/LinkModules.cpp
index 98793c58738823..943c2faaf1b111 100644
--- a/llvm/lib/Linker/LinkModules.cpp
+++ b/llvm/lib/Linker/LinkModules.cpp
@@ -438,13 +438,12 @@ void ModuleLinker::dropReplacedComdat(
   } else {
     auto &Alias = cast<GlobalAlias>(GV);
     Module &M = *Alias.getParent();
-    PointerType &Ty = *cast<PointerType>(Alias.getType());
     GlobalValue *Declaration;
     if (auto *FTy = dyn_cast<FunctionType>(Alias.getValueType())) {
       Declaration = Function::Create(FTy, GlobalValue::ExternalLinkage, "", &M);
     } else {
       Declaration =
-          new GlobalVariable(M, Ty.getElementType(), /*isConstant*/ false,
+          new GlobalVariable(M, Alias.getValueType(), /*isConstant*/ false,
                              GlobalValue::ExternalLinkage,
                              /*Initializer*/ nullptr);
     }
diff --git a/llvm/lib/Object/IRSymtab.cpp b/llvm/lib/Object/IRSymtab.cpp
index 70655d1a26be98..bcada85a0c1177 100644
--- a/llvm/lib/Object/IRSymtab.cpp
+++ b/llvm/lib/Object/IRSymtab.cpp
@@ -277,8 +277,8 @@ Error Builder::addSymbol(const ModuleSymbolTable &Msymtab,
     if (!GVar)
       return make_error<StringError>("Only variables can have common linkage!",
                                      inconvertibleErrorCode());
-    Uncommon().CommonSize = GV->getParent()->getDataLayout().getTypeAllocSize(
-        GV->getType()->getElementType());
+    Uncommon().CommonSize =
+        GV->getParent()->getDataLayout().getTypeAllocSize(GV->getValueType());
     Uncommon().CommonAlign = GVar->getAlignment();
   }
 
diff --git a/llvm/lib/Transforms/IPO/GlobalOpt.cpp b/llvm/lib/Transforms/IPO/GlobalOpt.cpp
index ed67b20a4d3dd3..6ac9690251e059 100644
--- a/llvm/lib/Transforms/IPO/GlobalOpt.cpp
+++ b/llvm/lib/Transforms/IPO/GlobalOpt.cpp
@@ -1186,7 +1186,7 @@ static bool TryToShrinkGlobalToBoolean(GlobalVariable *GV, Constant *OtherVal) {
         DIExpression *E = GVe->getExpression();
         const DataLayout &DL = GV->getParent()->getDataLayout();
         unsigned SizeInOctets =
-          DL.getTypeAllocSizeInBits(NewGV->getType()->getElementType()) / 8;
+            DL.getTypeAllocSizeInBits(NewGV->getValueType()) / 8;
 
         // It is expected that the address of global optimized variable is on
         // top of the stack. After optimization, value of that variable will
diff --git a/llvm/lib/Transforms/Utils/MemoryOpRemark.cpp b/llvm/lib/Transforms/Utils/MemoryOpRemark.cpp
index 0f0b551f754a20..68d4dd9d576b39 100644
--- a/llvm/lib/Transforms/Utils/MemoryOpRemark.cpp
+++ b/llvm/lib/Transforms/Utils/MemoryOpRemark.cpp
@@ -306,7 +306,7 @@ static Optional<StringRef> nameOrNone(const Value *V) {
 void MemoryOpRemark::visitVariable(const Value *V,
                                    SmallVectorImpl<VariableInfo> &Result) {
   if (auto *GV = dyn_cast<GlobalVariable>(V)) {
-    auto *Ty = cast<PointerType>(GV->getType())->getElementType();
+    auto *Ty = GV->getValueType();
     uint64_t Size = DL.getTypeSizeInBits(Ty).getFixedSize();
     VariableInfo Var{nameOrNone(GV), Size};
     if (!Var.isEmpty())
diff --git a/llvm/lib/Transforms/Utils/ValueMapper.cpp b/llvm/lib/Transforms/Utils/ValueMapper.cpp
index a89c92376034d6..f3afd42e616323 100644
--- a/llvm/lib/Transforms/Utils/ValueMapper.cpp
+++ b/llvm/lib/Transforms/Utils/ValueMapper.cpp
@@ -1032,8 +1032,8 @@ void Mapper::mapAppendingVariable(GlobalVariable &GV, Constant *InitPrefix,
     Elements.push_back(NewV);
   }
 
-  GV.setInitializer(ConstantArray::get(
-      cast<ArrayType>(GV.getType()->getElementType()), Elements));
+  GV.setInitializer(
+      ConstantArray::get(cast<ArrayType>(GV.getValueType()), Elements));
 }
 
 void Mapper::scheduleMapGlobalInitializer(GlobalVariable &GV, Constant &Init,
diff --git a/llvm/unittests/Transforms/Utils/ModuleUtilsTest.cpp b/llvm/unittests/Transforms/Utils/ModuleUtilsTest.cpp
index 5a1d9245f1595e..e1bc58fda0e38f 100644
--- a/llvm/unittests/Transforms/Utils/ModuleUtilsTest.cpp
+++ b/llvm/unittests/Transforms/Utils/ModuleUtilsTest.cpp
@@ -28,8 +28,7 @@ static int getUsedListSize(Module &M, StringRef Name) {
   auto *UsedList = M.getGlobalVariable(Name);
   if (!UsedList)
     return 0;
-  auto *UsedListBaseArrayType =
-      cast<ArrayType>(UsedList->getType()->getElementType());
+  auto *UsedListBaseArrayType = cast<ArrayType>(UsedList->getValueType());
   return UsedListBaseArrayType->getNumElements();
 }