forked from OSchip/llvm-project
37 lines
960 B
C++
37 lines
960 B
C++
// RUN: %clang_cc1 -triple=i386-pc-solaris2.11 -w -emit-llvm %s -o - | FileCheck %s
|
|
|
|
extern "C" {
|
|
struct statvfs64 {
|
|
int f;
|
|
};
|
|
#pragma redefine_extname statvfs64 statvfs
|
|
int statvfs64(struct statvfs64 *);
|
|
}
|
|
|
|
void some_func() {
|
|
struct statvfs64 st;
|
|
statvfs64(&st);
|
|
// Check that even if there is a structure with redefined name before the
|
|
// pragma, subsequent function name redefined properly. PR5172, Comment 11.
|
|
// CHECK: call i32 @statvfs(%struct.statvfs64* noundef %st)
|
|
}
|
|
|
|
// This is a case when redefenition is deferred *and* we have a local of the
|
|
// same name. PR23923.
|
|
#pragma redefine_extname foo bar
|
|
int f() {
|
|
int foo = 0;
|
|
return foo;
|
|
}
|
|
extern "C" {
|
|
int foo() { return 1; }
|
|
// CHECK: define{{.*}} i32 @bar()
|
|
}
|
|
|
|
// Check that #pragma redefine_extname applies to C code only, and shouldn't be
|
|
// applied to C++.
|
|
#pragma redefine_extname foo_cpp bar_cpp
|
|
extern int foo_cpp() { return 1; }
|
|
// CHECK-NOT: define{{.*}} i32 @bar_cpp()
|
|
|