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[Codegen][OpenCL] fix amibiguous selection operator call #14833

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merged 6 commits into from
May 15, 2023
Merged

[Codegen][OpenCL] fix amibiguous selection operator call #14833

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8362b32
fix
spectrometerHBH May 12, 2023
539f72b
fix
spectrometerHBH May 14, 2023
e3d9c5c
Update test_target_codegen_opencl.py
tqchen May 14, 2023
5741a59
Update test_target_codegen_opencl.py
tqchen May 14, 2023
b76539c
Update test_target_codegen_opencl.py
tqchen May 14, 2023
9528148
Update codegen_opencl.cc
tqchen May 14, 2023
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6 changes: 1 addition & 5 deletions src/target/source/codegen_opencl.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -567,11 +567,7 @@ void CodeGenOpenCL::VisitExpr_(const SelectNode* op, std::ostream& os) {
os << ", ";
PrintExpr(op->condition, oss);
if (op->dtype.is_float()) {
if (op->condition.dtype().is_uint() || op->condition.dtype().is_int()) {
os << oss.str();
} else {
os << CastTo(oss.str(), DataType::Int(op->dtype.bits(), op->dtype.lanes()));
}
os << CastTo(oss.str(), DataType::Int(op->dtype.bits(), op->dtype.lanes()));
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} else {
os << CastFromTo(oss.str(), op->condition.dtype(), op->dtype);
}
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32 changes: 23 additions & 9 deletions tests/python/unittest/test_target_codegen_opencl.py
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Expand Up @@ -168,20 +168,34 @@ def check_type_casting(ctx, n, dtype):

c = tvm.nd.empty((n,), dtype, ctx)
assembly = fun.imported_modules[0].get_source()
false_branch = "((float4)(0.000000e+00f, 0.000000e+00f, 0.000000e+00f, 0.000000e+00f))"
true_branch = "((float4)(1.000000e+00f, 1.000000e+00f, 1.000000e+00f, 1.000000e+00f))"
lcond = "(convert_uint4(((uint4)((((int)get_local_id(0)) == 3), (((int)get_local_id(0)) == 3), (((int)get_local_id(0)) == 3), (((int)get_local_id(0)) == 3)))))"
rcond = "(convert_uint4((((int4)((0)+(1*0), (0)+(1*1), (0)+(1*2), (0)+(1*3))) == ((int4)(3, 3, 3, 3)))))"
cond = "({} && {})".format(lcond, rcond)
select = "select({}, {}, {})".format(false_branch, true_branch, cond)
count = assembly.count(select)
assert count == 1

fun(c)
if dtype == "float32":
false_branch = "((float4)(0.000000e+00f, 0.000000e+00f, 0.000000e+00f, 0.000000e+00f))"
true_branch = "((float4)(1.000000e+00f, 1.000000e+00f, 1.000000e+00f, 1.000000e+00f))"
lcond = "convert_int4(((convert_uint4(((uint4)((((int)get_local_id(0)) == 3), (((int)get_local_id(0)) == 3), (((int)get_local_id(0)) == 3), (((int)get_local_id(0)) == 3)))))"
rcond = "(convert_uint4((((int4)((0)+(1*0), (0)+(1*1), (0)+(1*2), (0)+(1*3))) == ((int4)(3, 3, 3, 3)))))"
cond = "({} && {})".format(lcond, rcond)
select = "select({}, {}, {})".format(false_branch, true_branch, cond)
count = assembly.count(select)
assert count == 1
fun(c)

elif dtype == "float16":
false_branch = "((half4)((half)0.000000e+00f, (half)0.000000e+00f, (half)0.000000e+00f, (half)0.000000e+00f))"
true_branch = "((half4)((half)1.000000e+00f, (half)1.000000e+00f, (half)1.000000e+00f, (half)1.000000e+00f))"
lcond = "convert_short4(((convert_uint4(((uint4)((((int)get_local_id(0)) == 3), (((int)get_local_id(0)) == 3), (((int)get_local_id(0)) == 3), (((int)get_local_id(0)) == 3)))))"
rcond = "(convert_uint4((((int4)((0)+(1*0), (0)+(1*1), (0)+(1*2), (0)+(1*3))) == ((int4)(3, 3, 3, 3)))))))"
cond = "({} && {})".format(lcond, rcond)
select = "select({}, {}, {})".format(false_branch, true_branch, cond)
count = assembly.count(select)
assert count == 1
fun(c)

dev = tvm.device(target, 0)

check_type_casting(dev, 16, "float32")
# fp16 is not yet supported in ci
# check_type_casting(dev, 16, "float16")


if __name__ == "__main__":
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