forked from OSchip/llvm-project
102 lines
3.4 KiB
C++
102 lines
3.4 KiB
C++
// RUN: %clang_cc1 -emit-llvm -triple i686-pc-win32 -fms-extensions -o - %s | FileCheck %s
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extern "C" {
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#pragma const_seg(".my_const")
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#pragma bss_seg(".my_bss")
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int D = 1;
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#pragma data_seg(".data")
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int a = 1;
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#pragma data_seg(push, label, ".data2")
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extern const int b;
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const int b = 1;
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const char* s = "my string!";
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#pragma data_seg(push, ".my_seg")
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int c = 1;
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#pragma data_seg(pop, label)
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int d = 1;
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int e;
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#pragma bss_seg(".c")
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int f;
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void g(void){}
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#pragma code_seg(".my_code")
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void h(void){}
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#pragma bss_seg()
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int i;
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#pragma bss_seg(".bss1")
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#pragma bss_seg(push, test, ".bss2")
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#pragma bss_seg()
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#pragma bss_seg()
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int TEST1;
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#pragma bss_seg(pop)
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int TEST2;
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// Check "save-restore" of pragma stacks.
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struct Outer {
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void f() {
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#pragma bss_seg(push, ".bss3")
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#pragma code_seg(push, ".my_code1")
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#pragma const_seg(push, ".my_const1")
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#pragma data_seg(push, ".data3")
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struct Inner {
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void g() {
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#pragma bss_seg(push, ".bss4")
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#pragma code_seg(push, ".my_code2")
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#pragma const_seg(push, ".my_const2")
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#pragma data_seg(push, ".data4")
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}
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};
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}
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};
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void h2(void) {} // should be in ".my_code"
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int TEST3; // should be in ".bss1"
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int d2 = 1; // should be in ".data"
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extern const int b2; // should be in ".my_const"
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const int b2 = 1;
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#pragma section("read_flag_section", read)
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// Even though they are not declared const, these become constant since they are
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// in a read-only section.
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__declspec(allocate("read_flag_section")) int unreferenced = 0;
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extern __declspec(allocate("read_flag_section")) int referenced = 42;
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int *user() { return &referenced; }
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#pragma section("no_section_attributes")
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// A pragma section with no section attributes is read/write.
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__declspec(allocate("no_section_attributes")) int implicitly_read_write = 42;
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#pragma section("long_section", long)
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// Pragma section ignores "long".
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__declspec(allocate("long_section")) long long_var = 42;
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#pragma section("short_section", short)
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// Pragma section ignores "short".
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__declspec(allocate("short_section")) short short_var = 42;
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}
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//CHECK: @D = dso_local global i32 1
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//CHECK: @a = dso_local global i32 1, section ".data"
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//CHECK: @b = dso_local constant i32 1, section ".my_const"
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//CHECK: @[[MYSTR:.*]] = {{.*}} unnamed_addr constant [11 x i8] c"my string!\00"
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//CHECK: @s = dso_local global i8* getelementptr inbounds ([11 x i8], [11 x i8]* @[[MYSTR]], i32 0, i32 0), section ".data2"
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//CHECK: @c = dso_local global i32 1, section ".my_seg"
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//CHECK: @d = dso_local global i32 1, section ".data"
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//CHECK: @e = dso_local global i32 0, section ".my_bss"
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//CHECK: @f = dso_local global i32 0, section ".c"
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//CHECK: @i = dso_local global i32 0
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//CHECK: @TEST1 = dso_local global i32 0
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//CHECK: @TEST2 = dso_local global i32 0, section ".bss1"
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//CHECK: @TEST3 = dso_local global i32 0, section ".bss1"
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//CHECK: @d2 = dso_local global i32 1, section ".data"
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//CHECK: @b2 = dso_local constant i32 1, section ".my_const"
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//CHECK: @unreferenced = dso_local constant i32 0, section "read_flag_section"
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//CHECK: @referenced = dso_local constant i32 42, section "read_flag_section"
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//CHECK: @implicitly_read_write = dso_local global i32 42, section "no_section_attributes"
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//CHECK: @long_var = dso_local global i32 42, section "long_section"
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//CHECK: @short_var = dso_local global i16 42, section "short_section"
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//CHECK: define dso_local void @g()
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//CHECK: define dso_local void @h() {{.*}} section ".my_code"
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//CHECK: define dso_local void @h2() {{.*}} section ".my_code"
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