Primitives Reference

The table below shows all 99 primitives and which rules they implement. Note that a rule might be missing because it was just not added yet, or because it does not apply for a specific primitive.

Name	StableHLO	Quickr	Reverse
abs	✓	✓	✓
acos	✓	✗	✓
acosh	✓	✗	✓
add	✓	✓	✓
and	✓	✓	✓
argmax	✓	✗	✓
argmin	✓	✗	✓
asin	✓	✗	✓
asinh	✓	✗	✓
atan	✓	✗	✓
atan2	✓	✗	✓
atanh	✓	✗	✓
bitcast_convert	✓	✗	✓
broadcast_in_dim	✓	✓	✓
cbrt	✓	✗	✓
ceil	✓	✓	✓
cholesky	✓	✗	✓
clamp	✓	✗	✓
concatenate	✓	✓	✓
convert	✓	✓	✓
cosh	✓	✗	✓
cosine	✓	✓	✓
cummax	✓	✗	✓
cummin	✓	✗	✓
cumprod	✓	✗	✗
cumsum	✓	✗	✓
digamma	✓	✗	✓
divide	✓	✓	✓
dot_general	✓	✓	✓
dynamic_slice	✓	✓	✓
dynamic_update_slice	✓	✓	✓
eigh	✓	✗	✗
equal	✓	✓	✓
erf	✓	✗	✓
erf_inv	✓	✗	✓
erfc	✓	✗	✓
exp	✓	✓	✓
expm1	✓	✓	✓
fill	✓	✓	✗
floor	✓	✓	✓
gather	✓	✓	✓
greater	✓	✓	✓
greater_equal	✓	✓	✓
if	✓	✓	✓
iota	✓	✓	✗
is_finite	✓	✗	✓
less	✓	✓	✓
less_equal	✓	✓	✓
lgamma	✓	✗	✓
log	✓	✓	✓
log1p	✓	✓	✓
logistic	✓	✓	✓
lu	✓	✗	✗
maximum	✓	✓	✓
minimum	✓	✓	✓
mul	✓	✓	✓
negate	✓	✓	✓
not	✓	✓	✓
not_equal	✓	✓	✓
or	✓	✓	✓
pad	✓	✓	✓
polygamma	✓	✗	✓
popcnt	✓	✗	✓
power	✓	✓	✓
print	✓	✗	✗
qr	✓	✗	✗
reduce	✓	✗	✗
reduce_all	✓	✓	✓
reduce_any	✓	✓	✓
reduce_max	✓	✓	✓
reduce_min	✓	✓	✓
reduce_prod	✓	✓	✓
reduce_sum	✓	✓	✓
remainder	✓	✗	✓
reshape	✓	✓	✓
reverse	✓	✓	✓
rng_bit_generator	✓	✗	✗
round	✓	✗	✓
rsqrt	✓	✗	✓
scatter	✓	✓	✓
select	✓	✓	✓
shift_left	✓	✗	✓
shift_right_arithmetic	✓	✗	✓
shift_right_logical	✓	✗	✓
sign	✓	✗	✓
sine	✓	✓	✓
sinh	✓	✗	✓
sort	✓	✗	✓
sqrt	✓	✓	✓
static_slice	✓	✓	✓
sub	✓	✓	✓
svd	✓	✗	✗
tan	✓	✓	✓
tanh	✓	✓	✓
top_k	✓	✗	✓
transpose	✓	✓	✓
triangular_solve	✓	✗	✓
while	✓	✓	✗
xor	✓	✓	✓