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Make test/shtest test of constant folding robust

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Rather than testing that a constant expression produces so many
instructions, test that a variety of of such expressions produce the
same number of instructions.  This will make future changes in the
compiler less likely to break this test.
This commit is contained in:
Nicolas Williams committed 2017-02-25 19:13:28 -06:00
1 parent 2e1f2db8b5
commit 8619c6e060
1 file changed
+9 -13
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tests/shtest
+9 -13
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@@ -29,50 +29,46 @@ $VALGRIND $Q $JQ -Rne '[inputs] == ["a\u0000b", "c\u0000d", "e"]' $d/input
## move all of these into tests/all.test ## move all of these into tests/all.test
# String constant folding (addition only) # String constant folding (addition only)
n=`$VALGRIND $Q $JQ -n --debug-dump-disasm '"foo"' | wc -l` nref=`$VALGRIND $Q $JQ -n --debug-dump-disasm '"foo"' | wc -l`
if [ $n -ne 5 ]; then
echo "Constant expression folding for strings didn't work"
exit 1
fi
# Numeric constant folding (not all ops yet) # Numeric constant folding (not all ops yet)
n=`$VALGRIND $Q $JQ -n --debug-dump-disasm '1+1' | wc -l` n=`$VALGRIND $Q $JQ -n --debug-dump-disasm '1+1' | wc -l`
if [ $n -ne 5 ]; then if [ $n -ne $nref ]; then
echo "Constant expression folding for strings didn't work" echo "Constant expression folding for strings didn't work"
exit 1 exit 1
fi fi
n=`$VALGRIND $Q $JQ -n --debug-dump-disasm '1-1' | wc -l` n=`$VALGRIND $Q $JQ -n --debug-dump-disasm '1-1' | wc -l`
if [ $n -ne 5 ]; then if [ $n -ne $nref ]; then
echo "Constant expression folding for strings didn't work" echo "Constant expression folding for strings didn't work"
exit 1 exit 1
fi fi
n=`$VALGRIND $Q $JQ -n --debug-dump-disasm '2*3' | wc -l` n=`$VALGRIND $Q $JQ -n --debug-dump-disasm '2*3' | wc -l`
if [ $n -ne 5 ]; then if [ $n -ne $nref ]; then
echo "Constant expression folding for strings didn't work" echo "Constant expression folding for strings didn't work"
exit 1 exit 1
fi fi
n=`$VALGRIND $Q $JQ -n --debug-dump-disasm '9/3' | wc -l` n=`$VALGRIND $Q $JQ -n --debug-dump-disasm '9/3' | wc -l`
if [ $n -ne 5 ]; then if [ $n -ne $nref ]; then
echo "Constant expression folding for strings didn't work" echo "Constant expression folding for strings didn't work"
exit 1 exit 1
fi fi
n=`$VALGRIND $Q $JQ -n --debug-dump-disasm '9==3' | wc -l` n=`$VALGRIND $Q $JQ -n --debug-dump-disasm '9==3' | wc -l`
if [ $n -ne 5 ]; then if [ $n -ne $nref ]; then
echo "Constant expression folding for strings didn't work" echo "Constant expression folding for strings didn't work"
exit 1 exit 1
fi fi
n=`$VALGRIND $Q $JQ -n --debug-dump-disasm '9!=3' | wc -l` n=`$VALGRIND $Q $JQ -n --debug-dump-disasm '9!=3' | wc -l`
if [ $n -ne 5 ]; then if [ $n -ne $nref ]; then
echo "Constant expression folding for strings didn't work" echo "Constant expression folding for strings didn't work"
exit 1 exit 1
fi fi
n=`$VALGRIND $Q $JQ -n --debug-dump-disasm '9<=3' | wc -l` n=`$VALGRIND $Q $JQ -n --debug-dump-disasm '9<=3' | wc -l`
if [ $n -ne 5 ]; then if [ $n -ne $nref ]; then
echo "Constant expression folding for strings didn't work" echo "Constant expression folding for strings didn't work"
exit 1 exit 1
fi fi
n=`$VALGRIND $Q $JQ -n --debug-dump-disasm '9>=3' | wc -l` n=`$VALGRIND $Q $JQ -n --debug-dump-disasm '9>=3' | wc -l`
if [ $n -ne 5 ]; then if [ $n -ne $nref ]; then
echo "Constant expression folding for strings didn't work" echo "Constant expression folding for strings didn't work"
exit 1 exit 1
fi fi