1 // This file tests that -fprofile-sample-use enables location tracking
2 // generation in the same way that -Rpass does. The sample profiler needs
3 // to associate line locations in the profile to the code, so it needs the
4 // frontend to emit source location annotations.
5
6 // RUN: %clang_cc1 %s -fprofile-sample-use=%S/Inputs/profile-sample-use-loc-tracking.prof -emit-llvm -o - 2>/dev/null | FileCheck %s
7
8 // -fprofile-sample-use should produce source location annotations, exclusively
9 // (just like -gmlt).
10 // CHECK: , !dbg !
11 // CHECK-NOT: DW_TAG_base_type
12
13 // But llvm.dbg.cu should be missing (to prevent writing debug info to
14 // the final output).
15 // CHECK-NOT: !llvm.dbg.cu = !{
16
bar(int j)17 int bar(int j) {
18 return (j + j - 2) * (j - 2) * j;
19 }
20