[LINALG] Add complex tensor support for create[Zero|One]InitTensor …

…utility (#3777)

Signed-Off By: Vivek Khandelwal <vivekkhandelwal1424@gmail.com>

lib/Conversion/Utils/Utils.cpp

@@ -132,19 +132,25 @@ Value createZeroInitTensor(OpBuilder &b, Location loc, ValueRange sizes,
                            Type elemTy) {
   Value initTensor =
       b.create<tensor::EmptyOp>(loc, getAsOpFoldResult(sizes), elemTy);
-  RankedTensorType type = cast<RankedTensorType>(initTensor.getType());
-  Value c0 =
-      b.create<arith::ConstantOp>(loc, b.getZeroAttr(type.getElementType()));
+
+  Type fillValElemTy = elemTy;
+  if (auto dtypeComplex = dyn_cast<mlir::ComplexType>(elemTy))
+    fillValElemTy = cast<mlir::FloatType>(dtypeComplex.getElementType());
+
+  Value c0 = b.create<arith::ConstantOp>(loc, b.getZeroAttr(fillValElemTy));
   return b.create<linalg::FillOp>(loc, c0, initTensor).getResult(0);
 }
 
 Value createOneInitTensor(OpBuilder &b, Location loc, ValueRange sizes,
                           Type elemTy) {
   Value initTensor =
       b.create<tensor::EmptyOp>(loc, getAsOpFoldResult(sizes), elemTy);
-  RankedTensorType type = cast<RankedTensorType>(initTensor.getType());
-  Value c1 =
-      b.create<arith::ConstantOp>(loc, b.getOneAttr(type.getElementType()));
+
+  Type fillValElemTy = elemTy;
+  if (auto dtypeComplex = dyn_cast<mlir::ComplexType>(elemTy))
+    fillValElemTy = cast<mlir::FloatType>(dtypeComplex.getElementType());
+
+  Value c1 = b.create<arith::ConstantOp>(loc, b.getOneAttr(fillValElemTy));
   return b.create<linalg::FillOp>(loc, c1, initTensor).getResult(0);
 }
 

projects/pt1/e2e_testing/xfail_sets.py

@@ -1423,6 +1423,7 @@
     "SliceSizeTwoStepModule_basic",
     "SliceStartEqEndModule_basic",
     "SliceStaticModule_basic",
+    "SliceStaticComplexInputModule_basic",
     "SliceWholeTensorModule_basic",
     "SortIntListReverse_basic",
     "SortIntList_basic",
@@ -2618,6 +2619,7 @@
     "SliceCopyNegative_Module_basic",
     "SliceCopyNonZeroDim_Module_basic",
     "SliceCopy_Module_basic",
+    "SliceStaticComplexInputModule_basic",
     "StdCorrectionLargeInputModule_basic",
     "TupleModule_basic",
     "VarCorrectionLargeInputModule_basic",
@@ -3778,6 +3780,7 @@
     "SignAndLogarithmOfDeterminantModule_F32",
     "SignAndLogarithmOfDeterminantBatchedModule_F32",
     "SignAndLogarithmOfDeterminantDynamicModule_F32",
+    "SliceStaticComplexInputModule_basic",
     "SliceCopyEndGreaterThanDimSize_Module_basic",
     "SliceCopyNegative_Module_basic",
     "SliceCopyNonZeroDim_Module_basic",
@@ -4714,6 +4717,7 @@
     "SliceCopy_Module_basic",
     "SliceEndSleStartModule_basic",
     "SliceModule_basic",
+    "SliceStaticComplexInputModule_basic",
     "SliceNegIdxModule_basic",
     "SliceOutOfLowerBoundEndIndexModule_basic",
     "SliceOutOfLowerBoundStartIndexModule_basic",

projects/pt1/python/torch_mlir_e2e_test/test_suite/slice_like.py

@@ -58,6 +58,29 @@ def SliceStaticModule_basic(module, tu: TestUtils):
 # ==============================================================================
 
 
+class SliceStaticComplexInputModule(torch.nn.Module):
+    def __init__(self):
+        super().__init__()
+
+    @export
+    @annotate_args(
+        [
+            None,
+            ([6, 4, 7], torch.complex64, True),
+        ]
+    )
+    def forward(self, x):
+        return x[0:5:1, 1:3:1, 2:4:1]
+
+
+@register_test_case(module_factory=lambda: SliceStaticComplexInputModule())
+def SliceStaticComplexInputModule_basic(module, tu: TestUtils):
+    module.forward(tu.rand(6, 4, 7).to(torch.complex64))
+
+
+# ==============================================================================
+
+
 class SliceOutOfUpperBoundIndexModule(torch.nn.Module):
     def __init__(self):
         super().__init__()