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| // 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
// 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-instrument-use-path=%t.profdata | FileCheck -allow-deprecated-dag-overlap -check-prefix=PGOUSE -check-prefix=PGOALL %s
// PGOGEN: @[[DCC:__profc_debug_captured]] = private global [3 x i64] zeroinitializer
// PGOGEN: @[[CSC:__profc_c_captured.c___captured_stmt]] = private global [2 x i64] zeroinitializer
// PGOGEN: @[[C1C:__profc_c_captured.c___captured_stmt.1]] = private 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_stmt.1(
// 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]] = !{!"branch_weights", i32 2, i32 1}
// PGOUSE-DAG: ![[DC2]] = !{!"branch_weights", i32 2, i32 1}
// PGOUSE-DAG: ![[CS1]] = !{!"branch_weights", i32 2, i32 1}
// PGOUSE-DAG: ![[C11]] = !{!"branch_weights", i32 11, i32 2}
// PGOUSE-DAG: ![[C12]] = !{!"branch_weights", i32 2, i32 1}
int main(int argc, const char *argv[]) {
debug_captured();
return 0;
}
|