Propagate lvalue alignment into bitfields. Per report on cfe-dev.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159295 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/packed-nest-unpacked.c b/test/CodeGen/packed-nest-unpacked.c
index 0ccc0c4..6097e3f 100644
--- a/test/CodeGen/packed-nest-unpacked.c
+++ b/test/CodeGen/packed-nest-unpacked.c
@@ -45,3 +45,21 @@
// CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* bitcast (%struct.X* getelementptr inbounds (%struct.Y* @g, i32 0, i32 1) to i8*), i8* %{{.*}}, i64 24, i32 1, i1 false)
g.y = foo();
}
+
+
+struct XBitfield {
+ unsigned b1 : 10;
+ unsigned b2 : 12;
+ unsigned b3 : 10;
+};
+struct YBitfield {
+ char x;
+ struct XBitfield y;
+} __attribute((packed));
+struct YBitfield gbitfield;
+
+unsigned test7() {
+ // CHECK: @test7
+ // CHECK: load i32* bitcast (%struct.XBitfield* getelementptr inbounds (%struct.YBitfield* @gbitfield, i32 0, i32 1) to i32*), align 1
+ return gbitfield.y.b2;
+}