From 07fa52ab33a75d7a5736ea5bd0d4e3134fb10c7e Mon Sep 17 00:00:00 2001 From: Eli Friedman Date: Tue, 20 May 2008 07:56:31 +0000 Subject: [PATCH] Implement codegen for comma operator for structs. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@51304 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/CGExprAgg.cpp | 7 +++++++ test/CodeGen/struct-comma.c | 4 ++++ 2 files changed, 11 insertions(+) create mode 100644 test/CodeGen/struct-comma.c diff --git a/lib/CodeGen/CGExprAgg.cpp b/lib/CodeGen/CGExprAgg.cpp index c7c250ee7b..2ac473439e 100644 --- a/lib/CodeGen/CGExprAgg.cpp +++ b/lib/CodeGen/CGExprAgg.cpp @@ -82,6 +82,7 @@ public: 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 @@ void AggExprEmitter::VisitOverloadExpr(const OverloadExpr *E) 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); } diff --git a/test/CodeGen/struct-comma.c b/test/CodeGen/struct-comma.c new file mode 100644 index 0000000000..e8070dd178 --- /dev/null +++ b/test/CodeGen/struct-comma.c @@ -0,0 +1,4 @@ +// RUN: clang %s -emit-llvm + +struct S {int a, b;} x; +void a(struct S* b) {*b = (r(), x);} -- 2.50.1