The test case runs too long with LLVM 5.0 generated -O0 code.
@@ -66,7 +66,7 @@ $PIG -d -w4 -p $testTpef -x $pdir $testAdf || abort_w_msg "Error from PIG"
rtl-simulate || abort_w_msg "Error from rtl simulation or bus trace mismatch."
-$TCECC -O0 -a $testAdf -o $testTpef $testC || abort_w_msg "Error from tcecc"
+$TCECC -O1 -a $testAdf -o $testTpef $testC || abort_w_msg "Error from tcecc"
$GENBUSTRACE -o $TTABUSTRACE $testAdf $testTpef
$PIG -d -w4 -p $testTpef -x $pdir $testAdf || abort_w_msg "Error from PIG"
