| 1 | // RUN: %clang_cc1 -triple=i386-pc-solaris2.11 -w -emit-llvm %s -o - | FileCheck %s |
|---|
| 2 | |
|---|
| 3 | extern "C" { |
|---|
| 4 | struct statvfs64 { |
|---|
| 5 | int f; |
|---|
| 6 | }; |
|---|
| 7 | #pragma redefine_extname statvfs64 statvfs |
|---|
| 8 | int statvfs64(struct statvfs64 *); |
|---|
| 9 | } |
|---|
| 10 | |
|---|
| 11 | void some_func() { |
|---|
| 12 | struct statvfs64 st; |
|---|
| 13 | statvfs64(&st); |
|---|
| 14 | // Check that even if there is a structure with redefined name before the |
|---|
| 15 | // pragma, subsequent function name redefined properly. PR5172, Comment 11. |
|---|
| 16 | // CHECK: call i32 @statvfs(%struct.statvfs64* %st) |
|---|
| 17 | } |
|---|
| 18 | |
|---|
| 19 | // This is a case when redefenition is deferred *and* we have a local of the |
|---|
| 20 | // same name. PR23923. |
|---|
| 21 | #pragma redefine_extname foo bar |
|---|
| 22 | int f() { |
|---|
| 23 | int foo = 0; |
|---|
| 24 | return foo; |
|---|
| 25 | } |
|---|
| 26 | extern "C" { |
|---|
| 27 | int foo() { return 1; } |
|---|
| 28 | // CHECK: define i32 @bar() |
|---|
| 29 | } |
|---|
| 30 | |
|---|
| 31 | // Check that #pragma redefine_extname applies to C code only, and shouldn't be |
|---|
| 32 | // applied to C++. |
|---|
| 33 | #pragma redefine_extname foo_cpp bar_cpp |
|---|
| 34 | extern int foo_cpp() { return 1; } |
|---|
| 35 | // CHECK-NOT: define i32 @bar_cpp() |
|---|
| 36 | |
|---|
| 37 | |
|---|