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[CORE] Fixed several issues that arose in the development of the

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torch-blocksparse package:

* Now using warp shuffle in reductions when possible
* Various bugfixes in layout inference
* Added INFINITY, exponential and select
* Better error messages for unimplemented constructs
This commit is contained in:
Philippe Tillet
2020-03-31 18:55:31 -04:00
committed by Philippe Tillet
parent ac26fbdc1f
commit 3304629de9
33 changed files with 374 additions and 135 deletions
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14
lib/codegen/transform/peephole.cc
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@@ -83,6 +83,19 @@ bool peephole::rewrite_dot(ir::instruction *value, ir::builder& builder){
}
}
bool peephole::rewrite_cts_cfs(ir::instruction *value, ir::builder &builder){
auto cfs = dynamic_cast<ir::copy_from_shared_inst*>(value);
if(cfs) {
ir::value *arg = cfs->get_operand(0);
ir::copy_to_shared_inst* cts = dynamic_cast<ir::copy_to_shared_inst*>(arg);
if(!cts)
return false;
cfs->replace_all_uses_with(cts->get_operand(0));
return true;
}
}
bool peephole::rewrite_unit_red(ir::instruction *value, ir::builder& builder){
auto x = dynamic_cast<ir::reduce_inst*>(value);
if(!x)
@@ -183,6 +196,7 @@ void peephole::run(ir::module &mod) {
continue;
bool was_modified = false;
was_modified = was_modified || rewrite_mult(i, builder);
was_modified = was_modified || rewrite_cts_cfs(i, builder);
was_modified = was_modified || rewrite_trans_phi(i, builder);
was_modified = was_modified || rewrite_unit_red(i, builder);
was_modified = was_modified || rewrite_gep_ptr_min_off_plus_off(i, builder);