unpinned torch_mlir (#1668)

Co-authored-by: powderluv <powderluv@users.noreply.github.com>

setup.py

@@ -39,7 +39,7 @@ setup(
     install_requires=[
         "numpy",
         "PyYAML",
-        "torch-mlir==20230620.875",
+        "torch-mlir",
     ]
     + backend_deps,
 )

setup_venv.ps1

@@ -89,7 +89,7 @@ else {python -m venv .\shark.venv\}
 python -m pip install --upgrade pip
 pip install wheel
 pip install -r requirements.txt
-pip install --pre torch-mlir==20230620.875 torch --extra-index-url https://download.pytorch.org/whl/nightly/cpu -f https://llvm.github.io/torch-mlir/package-index/
+pip install --pre torch-mlir torch --extra-index-url https://download.pytorch.org/whl/nightly/cpu -f https://llvm.github.io/torch-mlir/package-index/
 pip install --upgrade -f https://nod-ai.github.io/SHARK-Runtime/pip-release-links.html iree-compiler iree-runtime
 Write-Host "Building SHARK..."
 pip install -e . -f https://llvm.github.io/torch-mlir/package-index/ -f https://nod-ai.github.io/SHARK-Runtime/pip-release-links.html

setup_venv.sh

@@ -88,7 +88,7 @@ if [ "$torch_mlir_bin" = true ]; then
     echo "MacOS detected. Installing torch-mlir from .whl, to avoid dependency problems with torch."
     $PYTHON -m pip install --pre --no-cache-dir torch-mlir -f https://llvm.github.io/torch-mlir/package-index/ -f https://download.pytorch.org/whl/nightly/torch/
   else
-    $PYTHON -m pip install --pre torch-mlir==20230620.875 -f https://llvm.github.io/torch-mlir/package-index/
+    $PYTHON -m pip install --pre torch-mlir -f https://llvm.github.io/torch-mlir/package-index/
     if [ $? -eq 0 ];then
       echo "Successfully Installed torch-mlir"
     else