1 // RUN: %clang_cc1 -triple=i386-pc-solaris2.11 -w -emit-llvm %s -o - | FileCheck %s
2 
3 #pragma redefine_extname fake real
4 #pragma redefine_extname name alias
5 
6 extern int fake(void);
7 
8 int name;
9 
10 // __PRAGMA_REDEFINE_EXTNAME should be defined.  This will fail if it isn't...
fish()11 int fish() { return fake() + __PRAGMA_REDEFINE_EXTNAME + name; }
12 // Check that the call to fake() is emitted as a call to real()
13 // CHECK:   call i32 @real()
14 // Check that this also works with variables names
15 // CHECK:   load i32, i32* @alias
16 
17 // This is a case when redefenition is deferred *and* we have a local of the
18 // same name. PR23923.
19 #pragma redefine_extname foo bar
f()20 int f() {
21   int foo = 0;
22   return foo;
23 }
foo()24 extern int foo() { return 1; }
25 // CHECK: define i32 @bar()
26 
27 // Check that pragma redefine_extname applies to external declarations only.
28 #pragma redefine_extname foo_static bar_static
foo_static()29 static int foo_static() { return 1; }
baz()30 int baz() { return foo_static(); }
31 // CHECK-NOT: call i32 @bar_static()
32 
33