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-rw-r--r--tests/codegen/instrument-coverage-off.rs23
-rw-r--r--tests/codegen/instrument-coverage.rs9
2 files changed, 31 insertions, 1 deletions
diff --git a/tests/codegen/instrument-coverage-off.rs b/tests/codegen/instrument-coverage-off.rs
new file mode 100644
index 00000000000..ca803beec0b
--- /dev/null
+++ b/tests/codegen/instrument-coverage-off.rs
@@ -0,0 +1,23 @@
+// Test that `-Cinstrument-coverage=off` does not add coverage instrumentation to LLVM IR.
+
+// needs-profiler-support
+// revisions: n no off false zero
+// [n] compile-flags: -Cinstrument-coverage=n
+// [no] compile-flags: -Cinstrument-coverage=no
+// [off] compile-flags: -Cinstrument-coverage=off
+// [false] compile-flags: -Cinstrument-coverage=false
+// [zero] compile-flags: -Cinstrument-coverage=0
+
+// CHECK-NOT: __llvm_profile_filename
+// CHECK-NOT: __llvm_coverage_mapping
+
+#![crate_type="lib"]
+
+#[inline(never)]
+fn some_function() {
+
+}
+
+pub fn some_other_function() {
+    some_function();
+}
diff --git a/tests/codegen/instrument-coverage.rs b/tests/codegen/instrument-coverage.rs
index 78f8875a2d9..f8437dac463 100644
--- a/tests/codegen/instrument-coverage.rs
+++ b/tests/codegen/instrument-coverage.rs
@@ -1,9 +1,16 @@
 // Test that `-Cinstrument-coverage` creates expected __llvm_profile_filename symbol in LLVM IR.
 
 // needs-profiler-support
-// compile-flags: -Cinstrument-coverage
+// revisions: default y yes on true all
+// [default] compile-flags: -Cinstrument-coverage
+// [y] compile-flags: -Cinstrument-coverage=y
+// [yes] compile-flags: -Cinstrument-coverage=yes
+// [on] compile-flags: -Cinstrument-coverage=on
+// [true] compile-flags: -Cinstrument-coverage=true
+// [all] compile-flags: -Cinstrument-coverage=all
 
 // CHECK: @__llvm_profile_filename = {{.*}}"default_%m_%p.profraw\00"{{.*}}
+// CHECK: @__llvm_coverage_mapping
 
 #![crate_type="lib"]