[cfe-commits] r51304 - in /cfe/trunk: lib/CodeGen/CGExprAgg.cpp test/CodeGen/struct-comma.c

[Eli Friedman]

Author: efriedma
Date: Tue May 20 02:56:31 2008
New Revision: 51304

URL: http://llvm.org/viewvc/llvm-project?rev=51304&view=rev
Log:
Implement codegen for comma operator for structs.


Added:
    cfe/trunk/test/CodeGen/struct-comma.c
Modified:
    cfe/trunk/lib/CodeGen/CGExprAgg.cpp

Modified: cfe/trunk/lib/CodeGen/CGExprAgg.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGExprAgg.cpp?rev=51304&r1=51303&r2=51304&view=diff

==============================================================================
--- cfe/trunk/lib/CodeGen/CGExprAgg.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGExprAgg.cpp Tue May 20 02:56:31 2008
@@ -82,6 +82,7 @@
   void VisitBinaryOperator(const BinaryOperator *BO);
   void VisitBinAssign(const BinaryOperator *E);
   void VisitOverloadExpr(const OverloadExpr *E);
+  void VisitBinComma(const BinaryOperator *E);
 
   
   void VisitConditionalOperator(const ConditionalOperator *CO);
@@ -213,6 +214,12 @@
   EmitAggregateCopy(DestPtr, RV.getAggregateAddr(), E->getType());
 }
 
+void AggExprEmitter::VisitBinComma(const BinaryOperator *E)
+{
+  CGF.EmitAnyExpr(E->getLHS());
+  CGF.EmitAggExpr(E->getRHS(), DestPtr, false);
+}
+
 void AggExprEmitter::VisitStmtExpr(const StmtExpr *E) {
   CGF.EmitCompoundStmt(*E->getSubStmt(), true, DestPtr, VolatileDest);
 }

Added: cfe/trunk/test/CodeGen/struct-comma.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/struct-comma.c?rev=51304&view=auto

==============================================================================
--- cfe/trunk/test/CodeGen/struct-comma.c (added)
+++ cfe/trunk/test/CodeGen/struct-comma.c Tue May 20 02:56:31 2008
@@ -0,0 +1,4 @@
+// RUN: clang %s -emit-llvm
+
+struct S {int a, b;} x;
+void a(struct S* b) {*b = (r(), x);}