1// Testing that we won't record the type ID from external modules. 2// 3// RUN: rm -rf %t 4// RUN: split-file %s %t 5// RUN: cd %t 6// 7// RUN: %clang_cc1 -std=c++20 %t/a.cppm -emit-module-interface -o %t/a.pcm 8// RUN: %clang_cc1 -std=c++20 %t/b.cppm -emit-module-interface -o %t/b.pcm \ 9// RUN: -fmodule-file=a=%t/a.pcm 10// RUN: llvm-bcanalyzer --dump --disable-histogram %t/b.pcm | FileCheck %t/b.cppm 11// 12// RUN: %clang_cc1 -std=c++20 %t/a.v1.cppm -emit-module-interface -o %t/a.v1.pcm 13// RUN: %clang_cc1 -std=c++20 %t/b.cppm -emit-module-interface -o %t/b.v1.pcm \ 14// RUN: -fmodule-file=a=%t/a.v1.pcm 15// RUN: diff %t/b.pcm %t/b.v1.pcm &> /dev/null 16 17//--- a.cppm 18export module a; 19export int a(); 20 21//--- b.cppm 22export module b; 23import a; 24export int b(); 25 26// CHECK: <DECL_FUNCTION {{.*}} op8=4120 27// CHECK: <TYPE_FUNCTION_PROTO 28 29//--- a.v1.cppm 30// We remove the unused the function and testing if the format of the BMI of B will change. 31export module a; 32 33