[CIR] Upstream global initialization for ArrayType (#131657)

This change adds global initialization for ArrayType

Issue #130197

1 files changed, 5 insertions, 33 deletions

diff --git a/clang/lib/CIR/CodeGen/CIRGenModule.cpp b/clang/lib/CIR/CodeGen/CIRGenModule.cpp
index 36bfc2c..9776a4e 100644
--- a/clang/lib/CIR/CodeGen/CIRGenModule.cpp
+++ b/clang/lib/CIR/CodeGen/CIRGenModule.cpp
@@ -11,6 +11,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "CIRGenModule.h"
+#include "CIRGenConstantEmitter.h"
 #include "CIRGenFunction.h"
 
 #include "clang/AST/ASTContext.h"
@@ -128,7 +129,8 @@ void CIRGenModule::emitGlobalFunctionDefinition(clang::GlobalDecl gd,
 
 void CIRGenModule::emitGlobalVarDefinition(const clang::VarDecl *vd,
                                            bool isTentative) {
-  mlir::Type type = convertType(vd->getType());
+  const QualType astTy = vd->getType();
+  const mlir::Type type = convertType(vd->getType());
   if (clang::IdentifierInfo *identifier = vd->getIdentifier()) {
     auto varOp = builder.create<cir::GlobalOp>(getLoc(vd->getSourceRange()),
                                                identifier->getName(), type);
@@ -141,38 +143,8 @@ void CIRGenModule::emitGlobalVarDefinition(const clang::VarDecl *vd,
     if (initExpr) {
       mlir::Attribute initializer;
       if (APValue *value = initDecl->evaluateValue()) {
-        switch (value->getKind()) {
-        case APValue::Int: {
-          if (mlir::isa<cir::BoolType>(type))
-            initializer =
-                builder.getCIRBoolAttr(value->getInt().getZExtValue());
-          else
-            initializer = builder.getAttr<cir::IntAttr>(type, value->getInt());
-          break;
-        }
-        case APValue::Float: {
-          initializer = builder.getAttr<cir::FPAttr>(type, value->getFloat());
-          break;
-        }
-        case APValue::LValue: {
-          if (value->getLValueBase()) {
-            errorNYI(initExpr->getSourceRange(),
-                     "non-null pointer initialization");
-          } else {
-            if (auto ptrType = mlir::dyn_cast<cir::PointerType>(type)) {
-              initializer = builder.getConstPtrAttr(
-                  ptrType, value->getLValueOffset().getQuantity());
-            } else {
-              llvm_unreachable(
-                  "non-pointer variable initialized with a pointer");
-            }
-          }
-          break;
-        }
-        default:
-          errorNYI(initExpr->getSourceRange(), "unsupported initializer kind");
-          break;
-        }
+        ConstantEmitter emitter(*this);
+        initializer = emitter.tryEmitPrivateForMemory(*value, astTy);
       } else {
         errorNYI(initExpr->getSourceRange(), "non-constant initializer");
       }