glsl/tests/optimisation-test: ensure that compare_ir is available

Bail out early if the script is not where we expect it to be.

v2: use -f instead of -e. latter returns true on folder(s)

Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
Acked-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Eric Engestrom <eric.engestrom@imgtec.com>

diff --git a/src/compiler/glsl/tests/optimization-test.sh b/src/compiler/glsl/tests/optimization-test.sh
index 5ae5684..47970c6 100755 (executable)
--- a/src/compiler/glsl/tests/optimization-test.sh
+++ b/src/compiler/glsl/tests/optimization-test.sh
@@ -36,6 +36,11 @@ for dir in tests/*/; do
     echo "$dir"
 done
 
+if [ ! -f "$compare_ir" ]; then
+    echo "Could not find compare_ir. Make sure that srcdir variable is correctly set."
+    exit 1
+fi
+
 echo "====== Testing optimization passes ======"
 for test in `find . -iname '*.opt_test'`; do
     echo -n "Testing $test..."