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Add codegen test that makes sure PGO instrumentation is emitted as expected.

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This commit is contained in:
Michael Woerister 2019-04-16 13:54:01 +02:00
parent 227be657cd
commit e2acaee8bb
1 changed files with 20 additions and 0 deletions
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src/test/codegen/pgo-instrumentation.rs Normal file
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// Test that `-Zpgo-gen` creates expected instrumentation artifacts in LLVM IR.
// needs-profiler-support
// compile-flags: -Z pgo-gen -Ccodegen-units=1
// CHECK: @__llvm_profile_raw_version =
// CHECK: @__profc_{{.*}}pgo_instrumentation{{.*}}some_function{{.*}} = private global
// CHECK: @__profd_{{.*}}pgo_instrumentation{{.*}}some_function{{.*}} = private global
// CHECK: @__profc_{{.*}}pgo_instrumentation{{.*}}main{{.*}} = private global
// CHECK: @__profd_{{.*}}pgo_instrumentation{{.*}}main{{.*}} = private global
// CHECK: @__llvm_profile_filename = {{.*}}"default_%m.profraw\00"{{.*}}
#[inline(never)]
fn some_function() {
}
fn main() {
some_function();
}