Index: llvm/test/Transforms/InstCombine/icmp-sub.ll
===================================================================
--- llvm/test/Transforms/InstCombine/icmp-sub.ll
+++ llvm/test/Transforms/InstCombine/icmp-sub.ll
@@ -561,3 +561,30 @@
 bb_exit:
   ret void
 }
+
+; https://alive2.llvm.org/ce/z/D2Aph4
+define i1 @PR60818_ne(i32 %a) {
+; CHECK-LABEL: @PR60818_ne(
+; CHECK-NEXT:  entry:
+; CHECK-NEXT:    [[SUB:%.*]] = sub i32 0, [[A:%.*]]
+; CHECK-NEXT:    [[CMP:%.*]] = icmp ne i32 [[SUB]], [[A]]
+; CHECK-NEXT:    ret i1 [[CMP]]
+;
+entry:
+  %sub = sub i32 0, %a
+  %cmp = icmp ne i32 %sub, %a
+  ret i1 %cmp
+}
+
+define i1 @PR60818_eq(i32 %a) {
+; CHECK-LABEL: @PR60818_eq(
+; CHECK-NEXT:  entry:
+; CHECK-NEXT:    [[SUB:%.*]] = sub i32 0, [[A:%.*]]
+; CHECK-NEXT:    [[CMP:%.*]] = icmp eq i32 [[SUB]], [[A]]
+; CHECK-NEXT:    ret i1 [[CMP]]
+;
+entry:
+  %sub = sub i32 0, %a
+  %cmp = icmp eq i32 %sub, %a
+  ret i1 %cmp
+}