| 1 | // This file tests that -fprofile-sample-use enables location tracking |
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| 2 | // generation in the same way that -Rpass does. The sample profiler needs |
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| 3 | // to associate line locations in the profile to the code, so it needs the |
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| 4 | // frontend to emit source location annotations. |
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| 5 | |
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| 6 | // RUN: %clang_cc1 %s -fprofile-sample-use=%S/Inputs/profile-sample-use-loc-tracking.prof -emit-llvm -o - 2>/dev/null | FileCheck %s |
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| 7 | |
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| 8 | // -fprofile-sample-use should produce source location annotations, exclusively |
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| 9 | // (just like -gmlt). |
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| 10 | // CHECK: , !dbg ! |
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| 11 | // CHECK-NOT: DW_TAG_base_type |
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| 12 | |
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| 13 | // The CU should be marked NoDebug (to prevent writing debug info to |
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| 14 | // the final output). |
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| 15 | // CHECK: !llvm.dbg.cu = !{![[CU:.*]]} |
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| 16 | // CHECK: ![[CU]] = distinct !DICompileUnit({{.*}}emissionKind: NoDebug |
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| 17 | |
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| 18 | int bar(int j) { |
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| 19 | return (j + j - 2) * (j - 2) * j; |
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| 20 | } |
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| 21 | |
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