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nir/validate: assume() that hashtable entry exists

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At this point, it would require a logic error in nir_validate to not
have already populated this hashtable entry, but coverity doesn't
realize that:

CID 1265547 (#1 of 1): Dereference null return value (NULL_RETURNS)3.
dereference: Dereferencing a null pointer entry.

CID 1271039 (#1 of 1): Dereference null return value (NULL_RETURNS)3.
dereference: Dereferencing a null pointer entry.

Signed-off-by: Rob Clark <robclark@freedesktop.org>
Reviewed-by: Matt Turner <mattst88@gmail.com>
This commit is contained in:
Rob Clark
2016-05-18 11:43:15 -04:00
parent fcd6b3f42b
commit df361fc58c
1 changed files with 3 additions and 0 deletions
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3
src/compiler/nir/nir_validate.c
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@@ -879,6 +879,7 @@ postvalidate_reg_decl(nir_register *reg, validate_state *state)
{
struct hash_entry *entry = _mesa_hash_table_search(state->regs, reg);
assume(entry);
reg_validate_state *reg_state = (reg_validate_state *) entry->data;
nir_foreach_use(src, reg) {
@@ -955,6 +956,8 @@ postvalidate_ssa_def(nir_ssa_def *def, void *void_state)
validate_state *state = void_state;
struct hash_entry *entry = _mesa_hash_table_search(state->ssa_defs, def);
assume(entry);
ssa_def_validate_state *def_state = (ssa_def_validate_state *)entry->data;
nir_foreach_use(src, def) {