SWDEV-330775 - Update search path for LLVM

ROCm's LLVM will be moved into /opt/rocm-<ver>/lib/, teach hipcc and
hipconfig about the new location.

Change-Id: Ie7f17146771aff94c684deb22148226cbb3a2895

hipamd/bin/roc-obj

@@ -137,7 +137,16 @@ find_rocm_executable_or_fail() {
   local -r command="$1"; shift
   local file
   local searched=()
-  for dir in "$BASE_DIR" "${HIP_CLANG_PATH:-"$BASE_DIR/../../llvm/bin"}"; do
+
+  # Look for LLVM directory in ROCm's directory structure
+  local rocm_llvm_dir_root=`realpath $BASE_DIR/../lib`
+  local llvm_dir=`find "$rocm_llvm_dir_root" -maxdepth 1 -regextype posix-extended -regex ".*/llvm-[0-9]{2,}" -type d,l | sort -r`
+  local llvm_bin_dir=()
+  for d in $llvm_dir; do
+	  llvm_bin_dir+=("$d/bin")
+  done
+
+  for dir in "$BASE_DIR" "${HIP_CLANG_PATH:-"$BASE_DIR/../../llvm/bin"}" ${llvm_bin_dir[*]}; do
     file="$dir/$command"
     if [[ -x $file ]]; then
       printf "%s" "$file"