zahiraam added a subscriber: z.
zahiraam added inline comments.
================
Comment at: test/Sema/dllexport-1.c:8
+
+// CHECK: @y = common dso_local dllexport global i32 0, align 4
+
----------------
aaron.ballman wrote:
> Are x and z also exported as expected?
Only x and y are exported.
**@x = dso_local dllexport constant i32 3, align 4**
@z = dso_local constant i32 4, align 4
**@y = common dso_local dllexport global i32 0, align 4**
But then if I take this simple case:
extern int const z = 4;
int main() {
int a = z + 2;
return a;
}
ksh-3.2$ clang -c test3.c
test3.c:1:18: warning: 'extern' variable has an initializer
[-Wextern-initializer]
extern int const z = 4;
^
1 warning generated.
ksh-3.2$ dumpbin /symbols test3.o | grep External
00F 00000000 SECT1 notype () External | main
**010 00000000 SECT5 notype External | z**
ksh-3.2$
When emitting the IR, z is declared as a local constant (not exported):
@z = dso_local constant i32 4, align 4
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D45978/new/
https://reviews.llvm.org/D45978
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