Add a coerce-and-expand ABIArgInfo as a generalization of some

of the things we do with Expand / Direct.

NFC for now, but this will be used by swiftcall expansion.

llvm-svn: 263192

1 files changed, 7 insertions, 0 deletions

diff --git a/clang/lib/CodeGen/CGBuilder.h b/clang/lib/CodeGen/CGBuilder.h
index 489f3413d4b..baba30d5bf6 100644
--- a/clang/lib/CodeGen/CGBuilder.h
+++ b/clang/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"
@@ -194,6 +195,12 @@ 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]* ...