| 1 | // RUN: %clang_cc1 -std=c++11 -triple x86_64-linux-gnu -fmodules -emit-llvm %s -o - | FileCheck %s |
| 2 | #pragma clang module build A |
| 3 | module A {} |
| 4 | #pragma clang module contents |
| 5 | #pragma clang module begin A |
| 6 | __attribute__((target("default"))) void f(); |
| 7 | __attribute__((target("sse4.2"))) void f(); |
| 8 | #pragma clang module end |
| 9 | #pragma clang module endbuild |
| 10 | |
| 11 | #pragma clang module build B |
| 12 | module B {} |
| 13 | #pragma clang module contents |
| 14 | #pragma clang module begin B |
| 15 | __attribute__((target("default"))) void f(); |
| 16 | __attribute__((target("sse4.2"))) void f(); |
| 17 | #pragma clang module end |
| 18 | #pragma clang module endbuild |
| 19 | |
| 20 | #pragma clang module import A |
| 21 | #pragma clang module import B |
| 22 | void g() { f(); } |
| 23 | |
| 24 | // Negative tests to validate that the resolver only calls each 1x. |
| 25 | // CHECK: define void ()* @_Z1fv.resolver |
| 26 | // CHECK: ret void ()* @_Z1fv.sse4.2 |
| 27 | // CHECK-NOT: ret void ()* @_Z1fv.sse4.2 |
| 28 | // CHECK: ret void ()* @_Z1fv |
| 29 | // CHECK-NOT: ret void ()* @_Z1fv |
| 30 | |