rust/tests/mir-opt/instrument_coverage.rs
Zalathar b5ee20f714 Clean up unnecessary headers/flags in coverage mir-opt tests
These headers and flags were historically needed, but are now unnecessary due
to various changes in how coverage information is stored in MIR.
2024-03-24 22:17:47 +11:00

29 lines
822 B
Rust

// Test that `-C instrument-coverage` injects Coverage statements.
// The Coverage::CounterIncrement statements are later converted into LLVM
// instrprof.increment intrinsics, during codegen.
//@ unit-test: InstrumentCoverage
//@ compile-flags: -Cinstrument-coverage -Zno-profiler-runtime
// EMIT_MIR instrument_coverage.main.InstrumentCoverage.diff
// EMIT_MIR instrument_coverage.bar.InstrumentCoverage.diff
fn main() {
loop {
if bar() {
break;
}
}
}
#[inline(never)]
fn bar() -> bool {
true
}
// CHECK: coverage ExpressionId({{[0-9]+}}) =>
// CHECK-DAG: coverage Code(Counter({{[0-9]+}})) =>
// CHECK-DAG: coverage Code(Expression({{[0-9]+}})) =>
// CHECK: bb0:
// CHECK-DAG: Coverage::ExpressionUsed({{[0-9]+}})
// CHECK-DAG: Coverage::CounterIncrement({{[0-9]+}})