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nir/lcssa: Skip loop invariant variables when converting to LCSSA.

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Co-authored-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
This commit is contained in:
Daniel Schürmann
2019-03-28 12:17:51 +01:00
committed by Daniel Schürmann
parent 8a6cfaa15a
commit 9c40ad49d5
2 changed files with 162 additions and 14 deletions
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src/compiler/nir/nir.h
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@@ -3923,7 +3923,7 @@ bool nir_repair_ssa_impl(nir_function_impl *impl);
bool nir_repair_ssa(nir_shader *shader);
void nir_convert_loop_to_lcssa(nir_loop *loop);
bool nir_convert_to_lcssa(nir_shader *shader);
bool nir_convert_to_lcssa(nir_shader *shader, bool skip_invariants);
/* If phi_webs_only is true, only convert SSA values involved in phi nodes to
* registers. If false, convert all values (even those not involved in a phi