implement codegen for complex unary +/-
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@41247 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/CodeGen/CGComplexExpr.cpp b/CodeGen/CGComplexExpr.cpp
index 7b159a3..f20157b 100644
--- a/CodeGen/CGComplexExpr.cpp
+++ b/CodeGen/CGComplexExpr.cpp
@@ -74,7 +74,10 @@
ComplexPairTy VisitArraySubscriptExpr(Expr *E) { return EmitLoadOfLValue(E); }
// Operators.
- // case Expr::UnaryOperatorClass:
+ ComplexPairTy VisitUnaryPlus (const UnaryOperator *E) {
+ return Visit(E->getSubExpr());
+ }
+ ComplexPairTy VisitUnaryMinus (const UnaryOperator *E);
// case Expr::ImplicitCastExprClass:
// case Expr::CastExprClass:
// case Expr::CallExprClass:
@@ -143,6 +146,14 @@
return ComplexPairTy(U, U);
}
+ComplexPairTy ComplexExprEmitter::VisitUnaryMinus(const UnaryOperator *E) {
+ ComplexPairTy Op = Visit(E->getSubExpr());
+ llvm::Value *ResR = Builder.CreateNeg(Op.first, "neg.r");
+ llvm::Value *ResI = Builder.CreateNeg(Op.second, "neg.i");
+ return ComplexPairTy(ResR, ResI);
+}
+
+
ComplexPairTy ComplexExprEmitter::VisitBinAdd(const BinaryOperator *E) {
ComplexPairTy LHS = Visit(E->getLHS());
ComplexPairTy RHS = Visit(E->getRHS());