fix: fix tosa to linalg bug to allow offset to be signed

Author: Maximilian Bartel

mlir/lib/Conversion/TosaToLinalg/TosaToLinalg.cpp

@@ -1522,9 +1522,9 @@ class GenericResizeConverter : public OpRewritePattern<tosa::ResizeOp> {
       xScaleD =
           rewriter.create<arith::UIToFPOp>(loc, rewriter.getF32Type(), xScaleD);
       yOffset =
-          rewriter.create<arith::UIToFPOp>(loc, rewriter.getF32Type(), yOffset);
+          rewriter.create<arith::SIToFPOp>(loc, rewriter.getF32Type(), yOffset);
       xOffset =
-          rewriter.create<arith::UIToFPOp>(loc, rewriter.getF32Type(), xOffset);
+          rewriter.create<arith::SIToFPOp>(loc, rewriter.getF32Type(), xOffset);
 
       y = rewriter.create<arith::MulFOp>(loc, y, yScaleD);
       x = rewriter.create<arith::MulFOp>(loc, x, xScaleD);

mlir/test/Conversion/TosaToLinalg/tosa-to-linalg-resize.mlir

@@ -319,8 +319,8 @@ func.func @resize_nearest_fp(%input: tensor<1x50x48x1xf32>) -> () {
   // CHECK: %[[SCALE_Y_D:.*]] = arith.uitofp %[[ISCALE_Y_D]]
   // CHECK: %[[SCALE_X_N:.*]] = arith.uitofp %[[ISCALE_X_N]]
   // CHECK: %[[SCALE_X_D:.*]] = arith.uitofp %[[ISCALE_X_D]]
-  // CHECK: %[[OFFSET_Y:.*]] = arith.uitofp %[[IOFFSET_Y]]
-  // CHECK: %[[OFFSET_X:.*]] = arith.uitofp %[[IOFFSET_X]]
+  // CHECK: %[[OFFSET_Y:.*]] = arith.sitofp %[[IOFFSET_Y]]
+  // CHECK: %[[OFFSET_X:.*]] = arith.sitofp %[[IOFFSET_X]]
 
   // CHECK: %[[VAL_29:.*]] = arith.mulf %[[Y0]], %[[SCALE_Y_D]]
   // CHECK: %[[VAL_30:.*]] = arith.mulf %[[X0]], %[[SCALE_X_D]]
@@ -397,8 +397,8 @@ func.func @resize_bilinear_fp(%input: tensor<1x23x23x1xf32>) -> () {
   // CHECK: %[[SCALE_Y_D:.*]] = arith.uitofp %[[ISCALE_Y_D]]
   // CHECK: %[[SCALE_X_N:.*]] = arith.uitofp %[[ISCALE_X_N]]
   // CHECK: %[[SCALE_X_D:.*]] = arith.uitofp %[[ISCALE_X_D]]
-  // CHECK: %[[OFFSET_Y:.*]] = arith.uitofp %[[IOFFSET_Y]]
-  // CHECK: %[[OFFSET_X:.*]] = arith.uitofp %[[IOFFSET_X]]
+  // CHECK: %[[OFFSET_Y:.*]] = arith.sitofp %[[IOFFSET_Y]]
+  // CHECK: %[[OFFSET_X:.*]] = arith.sitofp %[[IOFFSET_X]]
 
   // CHECK: %[[VAL_29:.*]] = arith.mulf %[[Y0]], %[[SCALE_Y_D]]
   // CHECK: %[[VAL_30:.*]] = arith.mulf %[[X0]], %[[SCALE_X_D]]