clang/test/Profile/cxx-stmt-initializers.cpp

   1 // Tests for instrumentation of C++17 statement initializers
   2
   3 // RUN: %clang_cc1 -no-opaque-pointers -x c++ %s -triple %itanium_abi_triple -main-file-name cxx-stmt-initializers.cpp -std=c++1z -o - -emit-llvm -fprofile-instrument=clang > %tgen
   4 // RUN: FileCheck --input-file=%tgen -check-prefix=CHECK -check-prefix=PGOGEN %s
   5
   6 // PGOGEN: @[[SIC:__profc__Z11switch_initv]] = {{(private|internal)}} global [3 x i64] zeroinitializer
   7 // PGOGEN: @[[IIC:__profc__Z7if_initv]] = {{(private|internal)}} global [3 x i64] zeroinitializer
   8
   9 // Note: We expect counters for the function entry block, the condition in the
  10 // switch initializer, and the switch successor block.
  11 //
  12 // CHECK-LABEL: define {{.*}}void @_Z11switch_initv()
  13 // PGOGEN: store {{.*}} @[[SIC]], i32 0, i32 0
  14 void switch_init() {
  15   switch (int i = true ? 0 : 1; i) {}
  16   // PGOGEN: store {{.*}} @[[SIC]], i32 0, i32 2
  17   // PGOGEN: store {{.*}} @[[SIC]], i32 0, i32 1
  18 }
  19
  20 // Note: We expect counters for the function entry block, the condition in the
  21 // if initializer, and the if successor block.
  22 //
  23 // CHECK-LABEL: define {{.*}}void @_Z7if_initv()
  24 // PGOGEN: store {{.*}} @[[IIC]], i32 0, i32 0
  25 void if_init() {
  26   if (int i = true ? 0 : 1; i) {}
  27   // PGOGEN: store {{.*}} @[[IIC]], i32 0, i32 2
  28   // PGOGEN: store {{.*}} @[[IIC]], i32 0, i32 1
  29 }