Vendor import of clang release_39 branch r276489:vendor/clang/clang-release_39-r276489

https://llvm.org/svn/llvm-project/cfe/branches/release_39@276489

1 files changed, 11 insertions, 15 deletions

diff --git a/lib/CodeGen/CGBuilder.h b/lib/CodeGen/CGBuilder.h
index 489f3413d4b8..027435d7c599 100644
--- a/lib/CodeGen/CGBuilder.h
+++ b/lib/CodeGen/CGBuilder.h
@@ -10,6 +10,7 @@
 #ifndef LLVM_CLANG_LIB_CODEGEN_CGBUILDER_H
 #define LLVM_CLANG_LIB_CODEGEN_CGBUILDER_H
 
+#include "llvm/IR/DataLayout.h"
 #include "llvm/IR/IRBuilder.h"
 #include "Address.h"
 #include "CodeGenTypeCache.h"
@@ -22,9 +23,7 @@ class CodeGenFunction;
 /// \brief This is an IRBuilder insertion helper that forwards to
 /// CodeGenFunction::InsertHelper, which adds necessary metadata to
 /// instructions.
-template <bool PreserveNames>
-class CGBuilderInserter
-    : protected llvm::IRBuilderDefaultInserter<PreserveNames> {
+class CGBuilderInserter : protected llvm::IRBuilderDefaultInserter {
 public:
   CGBuilderInserter() = default;
   explicit CGBuilderInserter(CodeGenFunction *CGF) : CGF(CGF) {}
@@ -38,17 +37,10 @@ private:
   CodeGenFunction *CGF = nullptr;
 };
 
-// Don't preserve names on values in an optimized build.
-#ifdef NDEBUG
-#define PreserveNames false
-#else
-#define PreserveNames true
-#endif
-
-typedef CGBuilderInserter<PreserveNames> CGBuilderInserterTy;
+typedef CGBuilderInserter CGBuilderInserterTy;
 
-typedef llvm::IRBuilder<PreserveNames, llvm::ConstantFolder,
-                        CGBuilderInserterTy> CGBuilderBaseTy;
+typedef llvm::IRBuilder<llvm::ConstantFolder, CGBuilderInserterTy>
+    CGBuilderBaseTy;
 
 class CGBuilderTy : public CGBuilderBaseTy {
   /// Storing a reference to the type cache here makes it a lot easier
@@ -194,6 +186,12 @@ public:
                                    Addr.getPointer(), Index, Name),
                    Addr.getAlignment().alignmentAtOffset(Offset));
   }
+  Address CreateStructGEP(Address Addr, unsigned Index,
+                          const llvm::StructLayout *Layout,
+                          const llvm::Twine &Name = "") {
+    auto Offset = CharUnits::fromQuantity(Layout->getElementOffset(Index));
+    return CreateStructGEP(Addr, Index, Offset, Name);
+  }
 
   /// Given
   ///   %addr = [n x T]* ...
@@ -298,8 +296,6 @@ public:
   }
 };
 
-#undef PreserveNames
-
 }  // end namespace CodeGen
 }  // end namespace clang