[Mlir-commits] [mlir] [mlir][affine] Add ValueBoundsOpInterface to [de]linearize_index (PR #121833)

[Matthias Springer]

================
@@ -155,3 +155,41 @@ func.func @compare_maps(%a: index, %b: index) {
       : (index, index, index, index) -> ()
   return
 }
+
+// -----
+
+// CHECK-DAG: #[[$map1:.+]] = affine_map<()[s0] -> (s0 floordiv 15)>
+// CHECK-DAG: #[[$map2:.+]] = affine_map<()[s0] -> ((s0 mod 15) floordiv 5)>
+// CHECK-DAG: #[[$map3:.+]] = affine_map<()[s0] -> (s0 mod 5)>
+// CHECK-LABEL: func.func @delinearize_static
+// CHECK-SAME: (%[[arg0:.+]]: index)
+// CHECK-DAG: %[[v1:.+]] = affine.apply #[[$map1]](}[%[[arg0]]]
+// CHECK-DAG: %[[v2:.+]] = affine.apply #[[$map2]](}[%[[arg0]]]
+// CHECK-DAG: %[[v3:.+]] = affine.apply #[[$map3]]()[%[[arg0]]]
+// CHECK: return %[[v1]], %[[v2]], %[[v3]]
+func.func @delinearize_static(%arg0: index) -> (index, index, index) {
+  %c2 = arith.constant 2 : index
+  %c3 = arith.constant 3 : index
+  %0:3 = affine.delinearize_index %arg0 into (2, 3, 5) : index, index, index
+  %1 = "test.reify_bound"(%0#0) {type = "EQ"} : (index) -> (index)
+  %2 = "test.reify_bound"(%0#1) {type = "EQ"} : (index) -> (index)
+  %3 = "test.reify_bound"(%0#2) {type = "EQ"} : (index) -> (index)
+  // TODO: why doesn't this return true? I'm setting the bound.
----------------
matthias-springer wrote:

Does it return "false" or "unknown"?

https://github.com/llvm/llvm-project/pull/121833