#!/bin/bash
# Copyright 2021 The IREE Authors
#
# Licensed under the Apache License v2.0 with LLVM Exceptions.
# See https://llvm.org/LICENSE.txt for license information.
# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

# Build IREE using CMake with tracing enabled. Designed for CI, but can be run
# manually. This uses previously cached build results and does not clear build
# directories.

set -e
set -x

ROOT_DIR=$(git rev-parse --show-toplevel)
cd ${ROOT_DIR?}

CMAKE_BIN=${CMAKE_BIN:-$(which cmake)}
"${CMAKE_BIN?}" --version
ninja --version

if [ -d "build-tracing" ]
then
  echo "build-tracing directory already exists. Will use cached results there."
else
  echo "build-tracing directory does not already exist. Creating a new one."
  mkdir build-tracing
fi
cd build-tracing

# Note: https://github.com/google/iree/issues/6404 prevents us from building
# tests with these other settings. Many tests invoke the compiler tools with
# MLIR threading enabled, which crashes with compiler tracing enabled.
"${CMAKE_BIN?}" -G Ninja .. \
  -DCMAKE_BUILD_TYPE=RelWithDebInfo \
  -DIREE_ENABLE_RUNTIME_TRACING=ON \
  -DIREE_BUILD_COMPILER=OFF
"${CMAKE_BIN?}" --build .