compiler-rt/test/profile/Inputs/comdat_rename_1.cpp

   1 #include "comdat_rename.h"
   2 // callee's out-of-line instance profile data -- it comes
   3 // from external calls to it from comdat_rename_2.cpp.
   4 // Its inline instance copy's profile data is different and
   5 // is collected in 'caller''s context.
   6 int FOO::callee() {
   7   // CHECK-LABEL: define {{.*}}callee{{.*}}
   8   // CHECK-NOT: br i1 {{.*}}
   9   // CHECK: br {{.*}}label{{.*}}, label %[[BB1:.*]], !prof ![[PD1:[0-9]+]]
  10   // CHECK: {{.*}}[[BB1]]:
  11   if (b != 0)
  12     return a / b;
  13   if (a != 0)
  14     return 10 / a;
  15   return 0;
  16 }
  17
  18 // This is the 'caller''s comdat copy (after renaming) in this module.
  19 // The profile counters include a copy of counters from 'callee':
  20 //
  21 // CHECK-LABEL: define {{.*}}caller{{.*}}
  22 // CHECK-NOT: br i1 {{.*}}
  23 // CHECK: br {{.*}}label{{.*}}, label %[[BB2:.*]], !prof ![[PD2:[0-9]+]]
  24 // CHECK: {{.*}}[[BB2]]:
  25 // CHECK: br {{.*}}label{{.*}}, label %{{.*}}, !prof !{{.*}}
  26 // CHECK: br {{.*}}label %[[BB3:.*]], label %{{.*}} !prof ![[PD3:[0-9]+]]
  27 // CHECK: {{.*}}[[BB3]]:
  28 //
  29 // CHECK:![[PD1]] = !{!"branch_weights", i32 0, i32 1}
  30 // CHECK:![[PD2]] = !{!"branch_weights", i32 1, i32 0}
  31 // CHECK:![[PD3]] = !{!"branch_weights", i32 {{.*}}, i32 0}
  32
  33 void test(FOO *foo) { foo->caller(10); }