1 // REQUIRES: x86-registered-target 2 3 // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -o - -emit-interface-stubs %s | FileCheck %s 4 5 // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -o - -emit-interface-stubs \ 6 // RUN: -DUSE_TEMPLATE_FUNCTION=1 %s | \ 7 // RUN: FileCheck -check-prefix=CHECK-USES-TEMPLATE-FUNCTION %s 8 9 // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -o - -emit-interface-stubs \ 10 // RUN: -DSPECIALIZE_TEMPLATE_FUNCTION=1 %s | \ 11 // RUN: FileCheck -check-prefix=CHECK-SPECIALIZES-TEMPLATE-FUNCTION %s 12 13 // RUN: %clang -target x86_64-unknown-linux-gnu -o - -c %s | llvm-nm - 2>&1 | count 0 14 15 // RUN: %clang -target x86_64-unknown-linux-gnu -o - -c \ 16 // RUN: -DUSE_TEMPLATE_FUNCTION=1 %s | llvm-nm - 2>&1 | \ 17 // RUN: FileCheck -check-prefix=CHECK-USES-TEMPLATE-FUNCTION %s 18 19 // RUN: %clang -target x86_64-unknown-linux-gnu -o - -c \ 20 // RUN: -DSPECIALIZE_TEMPLATE_FUNCTION=1 %s | llvm-nm - 2>&1 | \ 21 // RUN: FileCheck -check-prefix=CHECK-SPECIALIZES-TEMPLATE-FUNCTION %s 22 23 // CHECK-NOT: _Z16templateFunctionIiET_S0_ 24 // CHECK-USES-TEMPLATE-FUNCTION-DAG: _Z16templateFunctionIiET_S0_ 25 // CHECK-SPECIALIZES-TEMPLATE-FUNCTION-DAG: _Z16templateFunctionIiET_S0_ 26 template <typename T> 27 T templateFunction(T t) { return t; } 28 29 #ifdef USE_TEMPLATE_FUNCTION 30 int FortyTwo = templateFunction<int>(42); 31 #endif 32 33 #ifdef SPECIALIZE_TEMPLATE_FUNCTION 34 template <> 35 int templateFunction<int>(int t); 36 // TODO: Make it so that -emit-interface-stubs does not emit 37 // _Z16templateFunctionIiET_S0_ if there is no user of the specialization. 38 int foo() { return templateFunction(42); } 39 #endif 40