From: Eric Anholt <eric@anholt.net>
Date: Wed, 26 Aug 2020 20:09:09 +0000 (-0700)
Subject: nir: Invalidate live SSA def information when making new SSA defs.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=5d2b2b59c451915c0b11184ae47c0673fdff3146;p=mesa.git

nir: Invalidate live SSA def information when making new SSA defs.

Noted by @jekstrand in review of the SSA live index changes.

Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6408>
---

diff --git a/src/compiler/nir/nir.c b/src/compiler/nir/nir.c
index a94ccf09be1..24515f05cb8 100644
--- a/src/compiler/nir/nir.c
+++ b/src/compiler/nir/nir.c
@@ -801,6 +801,8 @@ add_ssa_def_cb(nir_ssa_def *def, void *state)
          nir_cf_node_get_function(&instr->block->cf_node);
 
       def->index = impl->ssa_alloc++;
+
+      impl->valid_metadata &= ~nir_metadata_live_ssa_defs;
    }
 
    return true;
@@ -1503,6 +1505,8 @@ nir_ssa_def_init(nir_instr *instr, nir_ssa_def *def,
          nir_cf_node_get_function(&instr->block->cf_node);
 
       def->index = impl->ssa_alloc++;
+
+      impl->valid_metadata &= ~nir_metadata_live_ssa_defs;
    } else {
       def->index = UINT_MAX;
    }