Testcases for 54503. One derived from PR 2533, the
other from Python.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54505 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/FrontendC/2008-08-07-AlignPadding1.c b/test/FrontendC/2008-08-07-AlignPadding1.c
new file mode 100644
index 0000000..7d7df4a
--- /dev/null
+++ b/test/FrontendC/2008-08-07-AlignPadding1.c
@@ -0,0 +1,29 @@
+/* RUN: %llvmgcc %s -m64 -S -o - -emit-llvm -O0 | grep zeroinitializer | count 6
+
+The FE must generate padding here both at the end of each PyG_Head and
+between array elements. Reduced from Python. */
+
+typedef union _gc_head {
+ struct {
+ union _gc_head *gc_next;
+ union _gc_head *gc_prev;
+ long gc_refs;
+ } gc;
+ int dummy __attribute__((aligned(16)));
+} PyGC_Head;
+
+struct gc_generation {
+ PyGC_Head head;
+ int threshold;
+ int count;
+};
+
+#define GEN_HEAD(n) (&generations[n].head)
+
+/* linked lists of container objects */
+static struct gc_generation generations[3] = {
+ /* PyGC_Head, threshold, count */
+ {{{GEN_HEAD(0), GEN_HEAD(0), 0}}, 700, 0},
+ {{{GEN_HEAD(1), GEN_HEAD(1), 0}}, 10, 0},
+ {{{GEN_HEAD(2), GEN_HEAD(2), 0}}, 10, 0},
+};