diff --git a/tests/mir-opt/dataflow-const-prop/array_index.rs b/tests/mir-opt/dataflow-const-prop/array_index.rs
index e21388ff5d2..8f0cc489a5b 100644
--- a/tests/mir-opt/dataflow-const-prop/array_index.rs
+++ b/tests/mir-opt/dataflow-const-prop/array_index.rs
@@ -15,7 +15,7 @@ fn main() {
     // CHECK-NOT:   assert(move _
     // CHECK:       {{_.*}} = const 4_usize;
     // CHECK:       {{_.*}} = const true;
-    // CHECK-LABEL: assert(const true
+    // CHECK:       assert(const true
     // CHECK:       [[x]] = [[array_lit]][2 of 3];
     let x: u32 = [0, 1, 2, 3][2];
 }
diff --git a/tests/mir-opt/dataflow-const-prop/checked.rs b/tests/mir-opt/dataflow-const-prop/checked.rs
index 45331f91323..30b0afa8334 100644
--- a/tests/mir-opt/dataflow-const-prop/checked.rs
+++ b/tests/mir-opt/dataflow-const-prop/checked.rs
@@ -19,14 +19,14 @@ fn main() {
     // CHECK: [[b]] = const 2_i32;
     let b = 2;
 
-    // CHECK-LABEL: assert(!const false,
+    // CHECK: assert(!const false,
     // CHECK: [[c]] = const 3_i32;
     let c = a + b;
 
     // CHECK: [[d]] = const _;
     let d = i32::MAX;
 
-    // CHECK-LABEL: assert(!const true,
+    // CHECK: assert(!const true,
     // CHECK: [[e]] = const i32::MIN;
     let e = d + 1;
 }
diff --git a/tests/mir-opt/dataflow-const-prop/default_boxed_slice.rs b/tests/mir-opt/dataflow-const-prop/default_boxed_slice.rs
index bfa52b694d0..fb708e5084b 100644
--- a/tests/mir-opt/dataflow-const-prop/default_boxed_slice.rs
+++ b/tests/mir-opt/dataflow-const-prop/default_boxed_slice.rs
@@ -23,7 +23,7 @@ fn main() {
     // CHECK: debug a => [[a:_.*]];
     // We may check other inlined functions as well...
 
-    // CHECK-LABEL: _.* = Box::<[bool]>(
-    // FIXME: should be `_.* = const Box::<[bool]>`
+    // CHECK: {{_.*}} = Box::<[bool]>(
+    // FIXME: should be `{{_.*}} = const Box::<[bool]>`
     let a: A = A { foo: Box::default() };
 }
diff --git a/tests/mir-opt/dataflow-const-prop/inherit_overflow.rs b/tests/mir-opt/dataflow-const-prop/inherit_overflow.rs
index 0a2774c7820..b0acc31e0db 100644
--- a/tests/mir-opt/dataflow-const-prop/inherit_overflow.rs
+++ b/tests/mir-opt/dataflow-const-prop/inherit_overflow.rs
@@ -9,6 +9,6 @@ fn main() {
     // Propagating the overflow is ok as codegen will just skip emitting the panic.
 
     // CHECK: {{_.*}} = const (0_u8, true);
-    // CHECK-LABEL: assert(!const true,
+    // CHECK: assert(!const true,
     let _ = <u8 as std::ops::Add>::add(255, 1);
 }
diff --git a/tests/mir-opt/dataflow-const-prop/large_array_index.rs b/tests/mir-opt/dataflow-const-prop/large_array_index.rs
index fbca411e204..62be2c3824f 100644
--- a/tests/mir-opt/dataflow-const-prop/large_array_index.rs
+++ b/tests/mir-opt/dataflow-const-prop/large_array_index.rs
@@ -12,7 +12,7 @@ fn main() {
     // CHECK: [[array_lit:_.*]] = [const 0_u8; 5000];
     // CHECK: {{_.*}} = const 5000_usize;
     // CHECK: {{_.*}} = const true;
-    // CHECK-LABEL: assert(const true
+    // CHECK: assert(const true
     // CHECK: [[x]] = [[array_lit]][2 of 3];
     let x: u8 = [0_u8; 5000][2];
 }
diff --git a/tests/mir-opt/dataflow-const-prop/repeat.rs b/tests/mir-opt/dataflow-const-prop/repeat.rs
index 80eb14dedea..daa8dbaf076 100644
--- a/tests/mir-opt/dataflow-const-prop/repeat.rs
+++ b/tests/mir-opt/dataflow-const-prop/repeat.rs
@@ -12,7 +12,7 @@ fn main() {
     // CHECK-NOT: {{_.*}} = Lt(
     // CHECK: {{_.*}} = const 8_usize;
     // CHECK: {{_.*}} = const true;
-    // CHECK-LABEL: assert(const true
+    // CHECK: assert(const true
 
     // CHECK-NOT: [[t:_.*]] = [[array_lit]][_
     // CHECK: [[t:_.*]] = [[array_lit]][2 of 3];