// FIXME: CompoundLiteralExpr
- ComplexPairTy EmitCast(Expr *Op, QualType DestTy);
+ ComplexPairTy EmitCast(CastExpr::CastKind CK, Expr *Op, QualType DestTy);
ComplexPairTy VisitImplicitCastExpr(ImplicitCastExpr *E) {
// Unlike for scalars, we don't have to worry about function->ptr demotion
// here.
- return EmitCast(E->getSubExpr(), E->getType());
+ return EmitCast(E->getCastKind(), E->getSubExpr(), E->getType());
}
ComplexPairTy VisitCastExpr(CastExpr *E) {
- return EmitCast(E->getSubExpr(), E->getType());
+ return EmitCast(E->getCastKind(), E->getSubExpr(), E->getType());
}
ComplexPairTy VisitCallExpr(const CallExpr *E);
ComplexPairTy VisitStmtExpr(const StmtExpr *E);
return Val;
}
-ComplexPairTy ComplexExprEmitter::EmitCast(Expr *Op, QualType DestTy) {
+ComplexPairTy ComplexExprEmitter::EmitCast(CastExpr::CastKind CK, Expr *Op,
+ QualType DestTy) {
// Two cases here: cast from (complex to complex) and (scalar to complex).
if (Op->getType()->isAnyComplexType())
return EmitComplexToComplexCast(Visit(Op), Op->getType(), DestTy);
+ // FIXME: We should be looking at all of the cast kinds here, not
+ // cherry-picking the ones we have test cases for.
+ if (CK == CastExpr::CK_LValueBitCast) {
+ llvm::Value *V = CGF.EmitLValue(Op).getAddress();
+ V = Builder.CreateBitCast(V,
+ CGF.ConvertType(CGF.getContext().getPointerType(DestTy)));
+ // FIXME: Are the qualifiers correct here?
+ return EmitLoadOfComplex(V, DestTy.isVolatileQualified());
+ }
+
// C99 6.3.1.7: When a value of real type is converted to a complex type, the
// real part of the complex result value is determined by the rules of
// conversion to the corresponding real type and the imaginary part of the
// improve codegen a little. It is possible for the RHS to be complex or
// scalar.
OpInfo.Ty = E->getComputationResultType();
- OpInfo.RHS = EmitCast(E->getRHS(), OpInfo.Ty);
+ OpInfo.RHS = EmitCast(CastExpr::CK_Unknown, E->getRHS(), OpInfo.Ty);
LValue LHS = CGF.EmitLValue(E->getLHS());
// We know the LHS is a complex lvalue.
// CHECK: bitcast float*
// CHECK: call void @llvm.memcpy.p0i8.p0i8.i64
xr = reinterpret_cast<X&>(fr);
+ _Complex float cf;
+ _Complex float &cfr = cf;
+ // CHECK: load i32**
+ // CHECK: bitcast i32*
+ // CHECK: load float*
+ // CHECK: load float*
+ cfr = reinterpret_cast<_Complex float&>(ir);
+ // CHECK: load float**
+ // CHECK: bitcast float*
+ // CHECK: load float*
+ // CHECK: load float*
+ cfr = reinterpret_cast<_Complex float&>(fr);
+ // CHECK: bitcast
+ // CHECK: load float*
+ // CHECK: load float*
+ cfr = reinterpret_cast<_Complex float&>(xr);
// CHECK: ret void
}
// CHECK: bitcast float*
// CHECK: call void @llvm.memcpy.p0i8.p0i8.i64
xr = (X&)fr;
+ _Complex float cf;
+ _Complex float &cfr = cf;
+ // CHECK: load i32**
+ // CHECK: bitcast i32*
+ // CHECK: load float*
+ // CHECK: load float*
+ cfr = (_Complex float&)ir;
+ // CHECK: load float**
+ // CHECK: bitcast float*
+ // CHECK: load float*
+ // CHECK: load float*
+ cfr = (_Complex float&)fr;
+ // CHECK: bitcast
+ // CHECK: load float*
+ // CHECK: load float*
+ cfr = (_Complex float&)xr;
// CHECK: ret void
}
// CHECK: bitcast float*
// CHECK: call void @llvm.memcpy.p0i8.p0i8.i64
xr = Xref(fr);
+ typedef _Complex float &complex_float_ref;
+ _Complex float cf;
+ _Complex float &cfr = cf;
+ // CHECK: load i32**
+ // CHECK: bitcast i32*
+ // CHECK: load float*
+ // CHECK: load float*
+ cfr = complex_float_ref(ir);
+ // CHECK: load float**
+ // CHECK: bitcast float*
+ // CHECK: load float*
+ // CHECK: load float*
+ cfr = complex_float_ref(fr);
+ // CHECK: bitcast
+ // CHECK: load float*
+ // CHECK: load float*
+ cfr = complex_float_ref(xr);
// CHECK: ret void
}