[ValueTracking] Correct lit test comments. NFC.

llvm-svn: 266657
diff --git a/llvm/test/Transforms/InstSimplify/implies.ll b/llvm/test/Transforms/InstSimplify/implies.ll
index 2375965..56e1e6a 100644
--- a/llvm/test/Transforms/InstSimplify/implies.ll
+++ b/llvm/test/Transforms/InstSimplify/implies.ll
@@ -128,7 +128,7 @@
   ret i1 %res
 }
 
-; i +_{nuw} 1 <s L  ==> i < L +_{nuw} 1
+; i +_{nuw} 1 <u L  ==> i < L +_{nuw} 1
 define i1 @test8(i32 %length.i, i32 %i) {
 ; CHECK-LABEL: @test8(
 ; CHECK:         ret i1 true
@@ -141,7 +141,7 @@
   ret i1 %res
 }
 
-; i +_{nuw} C <s L ==> i < L, even if C is negative
+; i +_{nuw} C <u L ==> i < L, even if C is negative
 define i1 @test9(i32 %length.i, i32 %i) {
 ; CHECK-LABEL: @test9(
 ; CHECK:         ret i1 true