1 files changed, 72 insertions, 0 deletions
diff --git a/test/CodeGenCXX/sections.cpp b/test/CodeGenCXX/sections.cpp
new file mode 100644
index 0000000..f84f9d9
--- /dev/null
+++ b/test/CodeGenCXX/sections.cpp
@@ -0,0 +1,72 @@
+// RUN: %clang_cc1 -emit-llvm -triple i686-pc-win32 -fms-extensions -o - %s | FileCheck %s
+
+extern "C" {
+
+#pragma const_seg(".my_const")
+#pragma bss_seg(".my_bss")
+int D = 1;
+#pragma data_seg(".data")
+int a = 1;
+#pragma data_seg(push, label, ".data2")
+extern const int b;
+const int b = 1;
+const char* s = "my string!";
+#pragma data_seg(push, ".my_seg")
+int c = 1;
+#pragma data_seg(pop, label)
+int d = 1;
+int e;
+#pragma bss_seg(".c")
+int f;
+void g(void){}
+#pragma code_seg(".my_code")
+void h(void){}
+#pragma bss_seg()
+int i;
+#pragma bss_seg(".bss1")
+#pragma bss_seg(push, test, ".bss2")
+#pragma bss_seg()
+#pragma bss_seg()
+int TEST1;
+#pragma bss_seg(pop)
+int TEST2;
+
+#pragma section("read_flag_section", read)
+// Even though they are not declared const, these become constant since they are
+// in a read-only section.
+__declspec(allocate("read_flag_section")) int unreferenced = 0;
+extern __declspec(allocate("read_flag_section")) int referenced = 42;
+int *user() { return &referenced; }
+
+#pragma section("no_section_attributes")
+// A pragma section with no section attributes is read/write.
+__declspec(allocate("no_section_attributes")) int implicitly_read_write = 42;
+
+#pragma section("long_section", long)
+// Pragma section ignores "long".
+__declspec(allocate("long_section")) long long_var = 42;
+
+#pragma section("short_section", short)
+// Pragma section ignores "short".
+__declspec(allocate("short_section")) short short_var = 42;
+}
+
+//CHECK: @D = global i32 1
+//CHECK: @a = global i32 1, section ".data"
+//CHECK: @b = constant i32 1, section ".my_const"
+//CHECK: @[[MYSTR:.*]] = {{.*}} unnamed_addr constant [11 x i8] c"my string!\00"
+//CHECK: @s = global i8* getelementptr inbounds ([11 x i8]* @[[MYSTR]], i32 0, i32 0), section ".data2"
+//CHECK: @c = global i32 1, section ".my_seg"
+//CHECK: @d = global i32 1, section ".data"
+//CHECK: @e = global i32 0, section ".my_bss"
+//CHECK: @f = global i32 0, section ".c"
+//CHECK: @i = global i32 0
+//CHECK: @TEST1 = global i32 0
+//CHECK: @TEST2 = global i32 0, section ".bss1"
+//CHECK: @unreferenced = constant i32 0, section "read_flag_section"
+//CHECK: @referenced = constant i32 42, section "read_flag_section"
+//CHECK: @implicitly_read_write = global i32 42, section "no_section_attributes"
+//CHECK: @long_var = global i32 42, section "long_section"
+//CHECK: @short_var = global i16 42, section "short_section"
+//CHECK: define void @g()
+//CHECK: define void @h() {{.*}} section ".my_code"