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-rw-r--r--tests/share/.gitignore1
-rw-r--r--tests/share/generate.py73
-rwxr-xr-xtests/share/run-test.sh27
3 files changed, 101 insertions, 0 deletions
diff --git a/tests/share/.gitignore b/tests/share/.gitignore
new file mode 100644
index 000000000..9c595a6fb
--- /dev/null
+++ b/tests/share/.gitignore
@@ -0,0 +1 @@
+temp
diff --git a/tests/share/generate.py b/tests/share/generate.py
new file mode 100644
index 000000000..a06a642d8
--- /dev/null
+++ b/tests/share/generate.py
@@ -0,0 +1,73 @@
+#!/usr/bin/python
+
+from __future__ import division
+from __future__ import print_function
+
+import sys
+import random
+from contextlib import contextmanager
+
+@contextmanager
+def redirect_stdout(new_target):
+ old_target, sys.stdout = sys.stdout, new_target
+ try:
+ yield new_target
+ finally:
+ sys.stdout = old_target
+
+def random_plus_x():
+ return "%s x" % random.choice(['+', '+', '+', '-', '-', '|', '&', '^'])
+
+def maybe_plus_x(expr):
+ if random.randint(0, 4) == 0:
+ return "(%s %s)" % (expr, random_plus_x())
+ else:
+ return expr
+
+for idx in range(100):
+ with file('temp/uut_%05d.v' % idx, 'w') as f, redirect_stdout(f):
+ if random.choice(['bin', 'uni']) == 'bin':
+ print('module uut_%05d(a, b, c, d, x, s, y);' % (idx))
+ op = random.choice([
+ random.choice(['+', '-', '*', '/', '%']),
+ random.choice(['<', '<=', '==', '!=', '===', '!==', '>=', '>' ]),
+ random.choice(['<<', '>>', '<<<', '>>>']),
+ random.choice(['|', '&', '^', '~^', '||', '&&']),
+ ])
+ print(' input%s [%d:0] a;' % (random.choice(['', ' signed']), random.randint(0, 8)))
+ print(' input%s [%d:0] b;' % (random.choice(['', ' signed']), random.randint(0, 8)))
+ print(' input%s [%d:0] c;' % (random.choice(['', ' signed']), random.randint(0, 8)))
+ print(' input%s [%d:0] d;' % (random.choice(['', ' signed']), random.randint(0, 8)))
+ print(' input%s [%d:0] x;' % (random.choice(['', ' signed']), random.randint(0, 8)))
+ print(' input s;')
+ print(' output [%d:0] y;' % random.randint(0, 8))
+ print(' assign y = (s ? %s(%s %s %s) : %s(%s %s %s))%s;' %
+ (random.choice(['', '$signed', '$unsigned']), maybe_plus_x('a'), op, maybe_plus_x('b'),
+ random.choice(['', '$signed', '$unsigned']), maybe_plus_x('c'), op, maybe_plus_x('d'),
+ random_plus_x() if random.randint(0, 4) == 0 else ''))
+ print('endmodule')
+ else:
+ print('module uut_%05d(a, b, x, s, y);' % (idx))
+ op = random.choice(['~', '-', '!'])
+ print(' input%s [%d:0] a;' % (random.choice(['', ' signed']), random.randint(0, 8)))
+ print(' input%s [%d:0] b;' % (random.choice(['', ' signed']), random.randint(0, 8)))
+ print(' input%s [%d:0] x;' % (random.choice(['', ' signed']), random.randint(0, 8)))
+ print(' input s;')
+ print(' output [%d:0] y;' % random.randint(0, 8))
+ print(' assign y = (s ? %s(%s%s) : %s(%s%s))%s;' %
+ (random.choice(['', '$signed', '$unsigned']), op, maybe_plus_x('a'),
+ random.choice(['', '$signed', '$unsigned']), op, maybe_plus_x('b'),
+ random_plus_x() if random.randint(0, 4) == 0 else ''))
+ print('endmodule')
+ with file('temp/uut_%05d.ys' % idx, 'w') as f, redirect_stdout(f):
+ print('read_verilog temp/uut_%05d.v' % idx)
+ print('proc;;')
+ print('copy uut_%05d gold' % idx)
+ print('rename uut_%05d gate' % idx)
+ print('tee -a temp/all_share_log.txt log')
+ print('tee -a temp/all_share_log.txt log #job# uut_%05d' % idx)
+ print('tee -a temp/all_share_log.txt wreduce')
+ print('tee -a temp/all_share_log.txt share -aggressive gate')
+ print('miter -equiv -flatten -ignore_gold_x -make_outputs -make_outcmp gold gate miter')
+ print('sat -set-def-inputs -verify -prove trigger 0 -show-inputs -show-outputs miter')
+
diff --git a/tests/share/run-test.sh b/tests/share/run-test.sh
new file mode 100755
index 000000000..203d6fcd7
--- /dev/null
+++ b/tests/share/run-test.sh
@@ -0,0 +1,27 @@
+#!/bin/bash
+
+# run this test many times:
+# time bash -c 'for ((i=0; i<100; i++)); do echo "-- $i --"; bash run-test.sh || exit 1; done'
+
+set -e
+
+rm -rf temp
+mkdir -p temp
+echo "generating tests.."
+python generate.py
+
+echo "running tests.."
+for i in $( ls temp/*.ys | sed 's,[^0-9],,g; s,^0*\(.\),\1,g;' ); do
+ echo -n "[$i]"
+ idx=$( printf "%05d" $i )
+ ../../yosys -ql temp/uut_${idx}.log temp/uut_${idx}.ys
+done
+echo
+
+failed_share=$( echo $( gawk '/^#job#/ { j=$2; db[j]=0; } /^Removing [24] cells/ { delete db[j]; } END { for (j in db) print(j); }' temp/all_share_log.txt ) )
+if [ -n "$failed_share" ]; then
+ echo "Resource sharing failed for the following test cases: $failed_share"
+ false
+fi
+
+exit 0