1 // Test if CSPGO instrumentation and use pass are invoked in thinlto. 2 // 3 // RUN: rm -rf %t && mkdir %t 4 // RUN: llvm-profdata merge -o %t/noncs.profdata %S/Inputs/pgotestir.proftext 5 // 6 // Ensure Pass PGOInstrumentationGenPass is not invoked in PreLink. 7 // RUN: %clang_cc1 -O2 -fprofile-instrument-use-path=%t/noncs.profdata -fprofile-instrument=csllvm %s -fprofile-instrument-path=default.profraw -flto=thin -fdebug-pass-manager -emit-llvm-bc -o %t/foo_fe_pm.bc 2>&1 | FileCheck %s -check-prefix=CHECK-CSPGOGENPASS-INVOKED-INSTR-GEN-PRE 8 // CHECK-CSPGOGENPASS-INVOKED-INSTR-GEN-PRE: Running pass: PGOInstrumentationUse 9 // CHECK-CSPGOGENPASS-INVOKED-INSTR-GEN-PRE: Running pass: PGOInstrumentationGenCreateVar 10 // CHECK-CSPGOGENPASS-INVOKED-INSTR-GEN-PRE-NOT: Running pass: PGOInstrumentationGen on 11 // 12 // RUN: llvm-lto -thinlto -o %t/foo_pm %t/foo_fe_pm.bc 13 // Ensure Pass PGOInstrumentationGenPass is invoked in PostLink. 14 // RUN: %clang_cc1 -O2 -x ir %t/foo_fe_pm.bc -fthinlto-index=%t/foo_pm.thinlto.bc -fdebug-pass-manager -fprofile-instrument=csllvm -fprofile-instrument-path=default.profraw -flto=thin -emit-llvm -o - 2>&1 | FileCheck %s -check-prefix=CHECK-CSPGOGENPASS-INVOKED-INSTR-GEN-POST 15 // CHECK-CSPGOGENPASS-INVOKED-INSTR-GEN-POST-NOT: Running pass: PGOInstrumentationUse 16 // CHECK-CSPGOGENPASS-INVOKED-INSTR-GEN-POST-NOT: Running pass: PGOInstrumentationGenCreateVar 17 // CHECK-CSPGOGENPASS-INVOKED-INSTR-GEN-POST: Running pass: PGOInstrumentationGen on 18 // 19 // RUN: llvm-profdata merge -o %t/cs.profdata %S/Inputs/pgotestir_cs.proftext 20 // 21 // Ensure Pass PGOInstrumentationUsePass is invoked Once in PreLink. 22 // RUN: %clang_cc1 -O2 -fprofile-instrument-use-path=%t/cs.profdata %s -flto=thin -fdebug-pass-manager -emit-llvm-bc -o %t/foo_fe_pm.bc 2>&1 | FileCheck %s -check-prefix=CHECK-CSPGOUSEPASS-INVOKED-INSTR-USE-PRE 23 // CHECK-CSPGOUSEPASS-INVOKED-INSTR-USE-PRE: Running pass: PGOInstrumentationUse 24 // CHECK-CSPGOUSEPASS-INVOKED-INSTR-USE-PRE-NOT: Running pass: PGOInstrumentationUse 25 // 26 // RUN: llvm-lto -thinlto -o %t/foo_pm %t/foo_fe_pm.bc 27 // Ensure Pass PGOInstrumentationUSEPass is invoked in PostLink. 28 // RUN: %clang_cc1 -O2 -x ir %t/foo_fe_pm.bc -fthinlto-index=%t/foo_pm.thinlto.bc -fdebug-pass-manager -fprofile-instrument-use-path=%t/cs.profdata -flto=thin -emit-llvm -o - 2>&1 | FileCheck %s -check-prefix=CHECK-CSPGOUSEPASS-INVOKED-INSTR-USE-POST 29 // CHECK-CSPGOUSEPASS-INVOKED-INSTR-USE-POST: Running pass: PGOInstrumentationUse 30 // CHECK-CSPGOUSEPASS-INVOKED-INSTR-USE-POST-NOT: Running pass: PGOInstrumentationUse 31 // 32 // Finally, test if a non-cs profile is passed to PostLink passes, PGO UsePass is not invoked. 33 // RUN: %clang_cc1 -O2 -x ir %t/foo_fe_pm.bc -fthinlto-index=%t/foo_pm.thinlto.bc -fdebug-pass-manager -fprofile-instrument-use-path=%t/noncs.profdata -flto=thin -emit-llvm -o - 2>&1 | FileCheck %s -check-prefix=CHECK-PGOUSEPASS-INVOKED-INSTR-USE-POST 34 // CHECK-PGOUSEPASS-INVOKED-INSTR-USE-POST-NOT: Running pass: PGOInstrumentationUse 35