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