It's not necessary to do rounding for alloca operations when the requested
alignment is equal to the stack alignment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40004 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CFrontend/2007-05-15-PaddingElement.c b/test/CFrontend/2007-05-15-PaddingElement.c
new file mode 100644
index 0000000..a218b35
--- /dev/null
+++ b/test/CFrontend/2007-05-15-PaddingElement.c
@@ -0,0 +1,23 @@
+// PR 1419
+
+// RUN: %llvmgcc -xc -O2 %s -c -o - | llvm-dis | grep "ret i32 1"
+struct A {
+ short x;
+ long long :0;
+};
+
+struct B {
+ char a;
+ char b;
+ unsigned char i;
+};
+
+union X { struct A a; struct B b; };
+
+int check(void) {
+ union X x, y;
+
+ y.b.i = 0xff;
+ x = y;
+ return (x.b.i == 0xff);
+}