commit f3c2cb4382ab12e0182e520e0f7145439028d080
author Eli Friedman <eli.friedman@gmail.com> Tue May 13 23:18:27 2008 +0000
committer Eli Friedman <eli.friedman@gmail.com> Tue May 13 23:18:27 2008 +0000
tree 5d22471220749909a9297f5148aed4dc1bc4a17c
parent 60e14c158808f9fbf7e6580bd705ee52580f13d7

Add codegen support for block-level compound literals.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@51081 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/CGExpr.cpp

diff --git a/lib/CodeGen/CGExpr.cpp b/lib/CodeGen/CGExpr.cpp
index addd939..d679107 100644
--- a/lib/CodeGen/CGExpr.cpp
+++ b/lib/CodeGen/CGExpr.cpp
@@ -106,6 +106,8 @@
   case Expr::ExtVectorElementExprClass:
     return EmitExtVectorElementExpr(cast<ExtVectorElementExpr>(E));
   case Expr::MemberExprClass: return EmitMemberExpr(cast<MemberExpr>(E));
+  case Expr::CompoundLiteralExprClass:
+    return EmitCompoundLiteralLValue(cast<CompoundLiteralExpr>(E));
   }
 }
 
@@ -563,6 +565,24 @@
                               Field->getType()->isSignedIntegerType());
 }
 
+LValue CodeGenFunction::EmitCompoundLiteralLValue(const CompoundLiteralExpr* E) {
+  const llvm::Type *LTy = ConvertType(E->getType());
+  llvm::Value *DeclPtr = CreateTempAlloca(LTy, ".compoundliteral");
+
+  const Expr* InitExpr = E->getInitializer();
+  LValue Result = LValue::MakeAddr(DeclPtr);
+
+  if (E->getType()->isComplexType()) {
+    EmitComplexExprIntoAddr(InitExpr, DeclPtr, false);
+  } else if (hasAggregateLLVMType(E->getType())) {
+    EmitAnyExpr(InitExpr, DeclPtr, false);
+  } else {
+    EmitStoreThroughLValue(EmitAnyExpr(InitExpr), Result, E->getType());
+  }
+
+  return Result;
+}
+
 //===--------------------------------------------------------------------===//
 //                             Expression Emission
 //===--------------------------------------------------------------------===//

lib/CodeGen/CGExprScalar.cpp

diff --git a/lib/CodeGen/CGExprScalar.cpp b/lib/CodeGen/CGExprScalar.cpp
index a501145..4fb69d0 100644
--- a/lib/CodeGen/CGExprScalar.cpp
+++ b/lib/CodeGen/CGExprScalar.cpp
@@ -129,6 +129,7 @@
   Value *VisitArraySubscriptExpr(ArraySubscriptExpr *E);
   Value *VisitMemberExpr(Expr *E)           { return EmitLoadOfLValue(E); }
   Value *VisitExtVectorElementExpr(Expr *E) { return EmitLoadOfLValue(E); }
+  Value *VisitCompoundLiteralExpr(CompoundLiteralExpr *E) { return EmitLoadOfLValue(E); }
   Value *VisitStringLiteral(Expr *E)  { return EmitLValue(E).getAddress(); }
   Value *VisitPreDefinedExpr(Expr *E) { return EmitLValue(E).getAddress(); }
 
@@ -165,10 +166,6 @@
     
     return V;
   }
-
-  Value *VisitCompoundLiteralExpr(CompoundLiteralExpr *E) {
-    return Visit(E->getInitializer());
-  }
   
   Value *VisitImplicitCastExpr(const ImplicitCastExpr *E);
   Value *VisitCastExpr(const CastExpr *E) { 

lib/CodeGen/CodeGenFunction.h

diff --git a/lib/CodeGen/CodeGenFunction.h b/lib/CodeGen/CodeGenFunction.h
index f067a0e..0693781 100644
--- a/lib/CodeGen/CodeGenFunction.h
+++ b/lib/CodeGen/CodeGenFunction.h
@@ -69,6 +69,7 @@
   class ObjCStringLiteral;
   class ObjCIvarRefExpr;
   class MemberExpr;
+  class CompoundLiteralExpr;
 
   class VarDecl;
   class EnumConstantDecl;
@@ -431,6 +432,7 @@
   LValue EmitArraySubscriptExpr(const ArraySubscriptExpr *E);
   LValue EmitExtVectorElementExpr(const ExtVectorElementExpr *E);
   LValue EmitMemberExpr(const MemberExpr *E);
+  LValue EmitCompoundLiteralLValue(const CompoundLiteralExpr *E);
 
   LValue EmitLValueForField(llvm::Value* Base, FieldDecl* Field,
                             bool isUnion);