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// RUN: %clang_cc1 -emit-llvm -w -o - %s | FileCheck %s
// CHECK-DAG: @r = common {{(dso_local )?}}global [1 x {{.*}}] zeroinitializer
int r[];
int (*a)[] = &r;
struct s0;
struct s0 x;
// CHECK-DAG: @x = common {{(dso_local )?}}global %struct.s0 zeroinitializer
struct s0 y;
// CHECK-DAG: @y = common {{(dso_local )?}}global %struct.s0 zeroinitializer
struct s0 *f0() {
return &y;
}
struct s0 {
int x;
};
// CHECK-DAG: @b = common {{(dso_local )?}}global [1 x {{.*}}] zeroinitializer
int b[];
int *f1() {
return b;
}
// Check that the most recent tentative definition wins.
// CHECK-DAG: @c = common {{(dso_local )?}}global [4 x {{.*}}] zeroinitializer
int c[];
int c[4];
// Check that we emit static tentative definitions
// CHECK-DAG: @c5 = internal global [1 x {{.*}}] zeroinitializer
static int c5[];
static int func() { return c5[0]; }
int callfunc() { return func(); }
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