fix bazel build

PiperOrigin-RevId: 885326702

Author: j2kun

MODULE.bazel

@@ -61,11 +61,13 @@ use_repo(
 _LLVM_TARGETS = [
     "X86",
     # The bazel dependency graph for mlir-opt fails to load (at the analysis
-    # step) without the NVPTX target in this list, because mlir/test:TestGPU
-    # depends on the //llvm:NVPTXCodeGen target, which is not defined unless this
-    # is included. @j2kun asked the LLVM maintiners for tips on how to fix this,
-    # see https://github.com/llvm/llvm-project/issues/63135
+    # step) without the NVPTX and AMDGPU targets in this list, because, e.g.,
+    # mlir/test:TestGPU depends on the //llvm:NVPTXCodeGen target, which is not
+    # defined unless this is included. @j2kun asked the LLVM maintiners for
+    # tips on how to fix this, see
+    # https://github.com/llvm/llvm-project/issues/63135
     "NVPTX",
+    "AMDGPU",
     # Needed for Apple M1 targets, see
     # https://github.com/j2kun/mlir-tutorial/issues/11
     "AArch64",