diff options
Diffstat (limited to 'test/Profile/c-captured.c')
-rw-r--r-- | test/Profile/c-captured.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/test/Profile/c-captured.c b/test/Profile/c-captured.c new file mode 100644 index 000000000000..ef7fb318508d --- /dev/null +++ b/test/Profile/c-captured.c @@ -0,0 +1,59 @@ +// 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 + +// RUN: llvm-profdata merge %S/Inputs/c-captured.proftext -o %t.profdata +// 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 + +// PGOGEN: @[[DCC:__llvm_profile_counters_debug_captured]] = hidden global [3 x i64] zeroinitializer +// PGOGEN: @[[CSC:__llvm_profile_counters___captured_stmt]] = internal global [2 x i64] zeroinitializer +// PGOGEN: @[[C1C:__llvm_profile_counters___captured_stmt1]] = internal global [3 x i64] zeroinitializer + +// PGOALL-LABEL: define void @debug_captured() +// PGOGEN: store {{.*}} @[[DCC]], i64 0, i64 0 +void debug_captured() { + int x = 10; + + // Check both debug_captured counters, so we can do this all in one pass + // PGOGEN: store {{.*}} @[[DCC]], i64 0, i64 1 + // PGOUSE: br {{.*}} !prof ![[DC1:[0-9]+]] + // PGOGEN: store {{.*}} @[[DCC]], i64 0, i64 2 + // PGOUSE: br {{.*}} !prof ![[DC2:[0-9]+]] + // PGOALL: ret + + // PGOALL-LABEL: define internal void @__captured_stmt( + // PGOGEN: store {{.*}} @[[CSC]], i64 0, i64 0 + #pragma clang __debug captured + { + // PGOGEN: store {{.*}} @[[CSC]], i64 0, i64 1 + // PGOUSE: br {{.*}} !prof ![[CS1:[0-9]+]] + if (x) {} + // PGOALL: ret + } + + if (x) {} // This is DC1. Checked above. + + // PGOALL-LABEL: define internal void @__captured_stmt1( + // PGOGEN: store {{.*}} @[[C1C]], i64 0, i64 0 + #pragma clang __debug captured + { + // PGOGEN: store {{.*}} @[[C1C]], i64 0, i64 1 + // PGOUSE: br {{.*}} !prof ![[C11:[0-9]+]] + for (int i = 0; i < x; ++i) {} + // PGOGEN: store {{.*}} @[[C1C]], i64 0, i64 2 + // PGOUSE: br {{.*}} !prof ![[C12:[0-9]+]] + if (x) {} + // PGOALL: ret + } + + if (x) {} // This is DC2. Checked above. +} + +// PGOUSE-DAG: ![[DC1]] = metadata !{metadata !"branch_weights", i32 2, i32 1} +// PGOUSE-DAG: ![[DC2]] = metadata !{metadata !"branch_weights", i32 2, i32 1} +// PGOUSE-DAG: ![[CS1]] = metadata !{metadata !"branch_weights", i32 2, i32 1} +// PGOUSE-DAG: ![[C11]] = metadata !{metadata !"branch_weights", i32 11, i32 2} +// PGOUSE-DAG: ![[C12]] = metadata !{metadata !"branch_weights", i32 2, i32 1} + +int main(int argc, const char *argv[]) { + debug_captured(); + return 0; +} |