clang/test/CodeGen/cspgo-instrumentation_thinlto.c

   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-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 -dump-input=always
  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