From: Eli Friedman <eli.friedman@gmail.com>
Date: Tue, 27 May 2008 15:51:49 +0000 (+0000)
Subject: A few more cases for aggregate values.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=b1851249d787f573b9e1312fff8ca4bbcf351f10;p=clang

A few more cases for aggregate values.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@51596 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/CGExprAgg.cpp b/lib/CodeGen/CGExprAgg.cpp
index 30ff9ecbaf..80231ccb80 100644
--- a/lib/CodeGen/CGExprAgg.cpp
+++ b/lib/CodeGen/CGExprAgg.cpp
@@ -68,6 +68,8 @@ public:
   void VisitMemberExpr(MemberExpr *ME) { EmitAggLoadOfLValue(ME); }
   void VisitUnaryDeref(UnaryOperator *E) { EmitAggLoadOfLValue(E); }
   void VisitStringLiteral(StringLiteral *E) { EmitAggLoadOfLValue(E); }
+  void VisitCompoundLiteralExpr(CompoundLiteralExpr *E)
+      { EmitAggLoadOfLValue(E); }
 
   void VisitArraySubscriptExpr(ArraySubscriptExpr *E) {
     EmitAggLoadOfLValue(E);
@@ -90,6 +92,7 @@ public:
   void VisitCXXDefaultArgExpr(CXXDefaultArgExpr *DAE) {
     Visit(DAE->getExpr());
   }
+  void VisitVAArgExpr(VAArgExpr *E);
 
   void EmitInitializationToLValue(Expr *E, LValue Address);
   void EmitNullInitializationToLValue(LValue Address, QualType T);
@@ -273,6 +276,13 @@ void AggExprEmitter::VisitConditionalOperator(const ConditionalOperator *E) {
   CGF.EmitBlock(ContBlock);
 }
 
+void AggExprEmitter::VisitVAArgExpr(VAArgExpr *VE) {
+  llvm::Value *ArgValue = CGF.EmitLValue(VE->getSubExpr()).getAddress();
+  llvm::Value *V = Builder.CreateVAArg(ArgValue, CGF.ConvertType(VE->getType()));
+  if (DestPtr)
+    Builder.CreateStore(V, DestPtr);
+}
+
 void AggExprEmitter::EmitNonConstInit(InitListExpr *E) {
 
   const llvm::PointerType *APType =
diff --git a/test/CodeGen/struct.c b/test/CodeGen/struct.c
index 1b476f823d..a081ef1313 100644
--- a/test/CodeGen/struct.c
+++ b/test/CodeGen/struct.c
@@ -145,3 +145,17 @@ struct a14 { short a; int b; } x = {1, 1};
 /* flexible array members */
 struct a15 {char a; int b[];} c15;
 int a16(void) {c15.a = 1;}
+
+/* compound literals */
+void f13()
+{
+  a13 x; x = (a13){1,2};
+}
+
+/* va_arg */
+int f14(int i, ...) {
+  __builtin_va_list l;
+  __builtin_va_start(l,i);
+  a13 b = __builtin_va_arg(l, a13);
+  return b.b;
+}