Upgrade WAMR LLVM from 15.0.7 to 19.1.0 and add AArch64 target support

Author: Copilot

bazel/external/wamr.BUILD

@@ -47,7 +47,7 @@ cmake(
         "-GNinja",
     ] + select({
         "@proxy_wasm_cpp_host//bazel:engine_wamr_jit": [
-            "-DLLVM_DIR=$EXT_BUILD_DEPS/copy_llvm-15_0_7/llvm/lib/cmake/llvm",
+            "-DLLVM_DIR=$EXT_BUILD_DEPS/copy_llvm-19_1_0/llvm/lib/cmake/llvm",
             "-DWAMR_BUILD_AOT=1",
             "-DWAMR_BUILD_FAST_INTERP=0",
             "-DWAMR_BUILD_INTERP=0",
@@ -71,7 +71,7 @@ cmake(
     }),
     out_static_libs = ["libiwasm.a"],
     deps = select({
-        "@proxy_wasm_cpp_host//bazel:engine_wamr_jit": ["@llvm-15_0_7//:llvm_wamr_lib"],
+        "@proxy_wasm_cpp_host//bazel:engine_wamr_jit": ["@llvm-19_1_0//:llvm_wamr_lib"],
         "//conditions:default": [],
     }),
 )

bazel/external/wamr_llvm.BUILD

@@ -44,7 +44,7 @@ cmake(
         "LLVM_ENABLE_TERMINFO": "off",
         "LLVM_ENABLE_ZLIB": "off",
         "LLVM_ENABLE_ZSTD": "off",
-        "LLVM_TARGETS_TO_BUILD": "X86",
+        "LLVM_TARGETS_TO_BUILD": "X86;AArch64",
         "CMAKE_CXX_FLAGS": "-Wno-unused-command-line-argument",
     },
     # `lld` doesn't work on MacOS
@@ -72,6 +72,12 @@ cmake(
         "libLLVMDlltoolDriver.a",
         "libLLVMCoverage.a",
         "libLLVMLineEditor.a",
+        "libLLVMAArch64Disassembler.a",
+        "libLLVMAArch64AsmParser.a",
+        "libLLVMAArch64CodeGen.a",
+        "libLLVMAArch64Desc.a",
+        "libLLVMAArch64Info.a",
+        "libLLVMAArch64Utils.a",
         "libLLVMX86Disassembler.a",
         "libLLVMX86AsmParser.a",
         "libLLVMX86CodeGen.a",

bazel/repositories.bzl

@@ -312,11 +312,11 @@ def proxy_wasm_cpp_host_repositories():
 
     maybe(
         http_archive,
-        name = "llvm-15_0_7",
+        name = "llvm-19_1_0",
         build_file = "@proxy_wasm_cpp_host//bazel/external:wamr_llvm.BUILD",
-        sha256 = "8b5fcb24b4128cf04df1b0b9410ce8b1a729cb3c544e6da885d234280dedeac6",
-        strip_prefix = "llvm-project-15.0.7.src",
-        url = "https://github.com/llvm/llvm-project/releases/download/llvmorg-15.0.7/llvm-project-15.0.7.src.tar.xz",
+        sha256 = "5042522b49945bc560ff9206f25fb87980a9b89b914193ca00d961511ff0673c",
+        strip_prefix = "llvm-project-19.1.0.src",
+        url = "https://github.com/llvm/llvm-project/releases/download/llvmorg-19.1.0/llvm-project-19.1.0.src.tar.xz",
     )
 
     # WasmEdge with dependencies.