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      1 // RUN: %clang_cc1 -triple x86_64-apple-macosx10.9 -main-file-name c-captured.c %s -o - -emit-llvm -fprofile-instr-generate | FileCheck -check-prefix=PGOGEN -check-prefix=PGOALL %s
      2 
      3 // RUN: llvm-profdata merge %S/Inputs/c-captured.proftext -o %t.profdata
      4 // RUN: %clang_cc1 -triple x86_64-apple-macosx10.9 -main-file-name c-captured.c %s -o - -emit-llvm -fprofile-instr-use=%t.profdata | FileCheck -check-prefix=PGOUSE -check-prefix=PGOALL %s
      5 
      6 // PGOGEN: @[[DCC:__profc_debug_captured]] = private global [3 x i64] zeroinitializer
      7 // PGOGEN: @[[CSC:__profc_c_captured.c___captured_stmt]] = private global [2 x i64] zeroinitializer
      8 // PGOGEN: @[[C1C:__profc_c_captured.c___captured_stmt.1]] = private global [3 x i64] zeroinitializer
      9 
     10 // PGOALL-LABEL: define void @debug_captured()
     11 // PGOGEN: store {{.*}} @[[DCC]], i64 0, i64 0
     12 void debug_captured() {
     13   int x = 10;
     14 
     15   // Check both debug_captured counters, so we can do this all in one pass
     16   // PGOGEN: store {{.*}} @[[DCC]], i64 0, i64 1
     17   // PGOUSE: br {{.*}} !prof ![[DC1:[0-9]+]]
     18   // PGOGEN: store {{.*}} @[[DCC]], i64 0, i64 2
     19   // PGOUSE: br {{.*}} !prof ![[DC2:[0-9]+]]
     20   // PGOALL: ret
     21 
     22   // PGOALL-LABEL: define internal void @__captured_stmt(
     23   // PGOGEN: store {{.*}} @[[CSC]], i64 0, i64 0
     24   #pragma clang __debug captured
     25   {
     26     // PGOGEN: store {{.*}} @[[CSC]], i64 0, i64 1
     27     // PGOUSE: br {{.*}} !prof ![[CS1:[0-9]+]]
     28     if (x) {}
     29     // PGOALL: ret
     30   }
     31 
     32   if (x) {} // This is DC1. Checked above.
     33 
     34   // PGOALL-LABEL: define internal void @__captured_stmt.1(
     35   // PGOGEN: store {{.*}} @[[C1C]], i64 0, i64 0
     36   #pragma clang __debug captured
     37   {
     38     // PGOGEN: store {{.*}} @[[C1C]], i64 0, i64 1
     39     // PGOUSE: br {{.*}} !prof ![[C11:[0-9]+]]
     40     for (int i = 0; i < x; ++i) {}
     41     // PGOGEN: store {{.*}} @[[C1C]], i64 0, i64 2
     42     // PGOUSE: br {{.*}} !prof ![[C12:[0-9]+]]
     43     if (x) {}
     44     // PGOALL: ret
     45   }
     46 
     47   if (x) {} // This is DC2. Checked above.
     48 }
     49 
     50 // PGOUSE-DAG: ![[DC1]] = !{!"branch_weights", i32 2, i32 1}
     51 // PGOUSE-DAG: ![[DC2]] = !{!"branch_weights", i32 2, i32 1}
     52 // PGOUSE-DAG: ![[CS1]] = !{!"branch_weights", i32 2, i32 1}
     53 // PGOUSE-DAG: ![[C11]] = !{!"branch_weights", i32 11, i32 2}
     54 // PGOUSE-DAG: ![[C12]] = !{!"branch_weights", i32 2, i32 1}
     55 
     56 int main(int argc, const char *argv[]) {
     57   debug_captured();
     58   return 0;
     59 }
     60