Enable CodeGen for member expressions based on call expressions returning aggregate types. This enables expressions like 'foo().member.submember'.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@45395 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 23 insertions, 0 deletions

diff --git a/test/CodeGen/func-return-member.c b/test/CodeGen/func-return-member.c
new file mode 100644
index 0000000000..f31a53afce
--- /dev/null
+++ b/test/CodeGen/func-return-member.c
@@ -0,0 +1,23 @@
+// RUN: clang -emit-llvm < %s 2>&1 | not grep 'cannot codegen this l-value expression yet'
+
+struct frk { float _Complex c; int x; };
+struct faz { struct frk f; };
+struct fuz { struct faz f; };
+
+extern struct fuz foo(void);
+
+int X;
+struct frk F;
+float _Complex C;
+
+void bar(void) {
+  X = foo().f.f.x;
+}
+
+void bun(void) {
+  F = foo().f.f;
+}
+
+void ban(void) {
+  C = foo().f.f.c;
+}