spirv-fuzz: Avoid irrelevant constants in synonym-creating loops (#3967)
Fixes #3956.
diff --git a/source/fuzz/fuzzer_pass_add_loops_to_create_int_constant_synonyms.cpp b/source/fuzz/fuzzer_pass_add_loops_to_create_int_constant_synonyms.cpp
index 1b286dd..ee05b68 100644
--- a/source/fuzz/fuzzer_pass_add_loops_to_create_int_constant_synonyms.cpp
+++ b/source/fuzz/fuzzer_pass_add_loops_to_create_int_constant_synonyms.cpp
@@ -50,6 +50,12 @@
auto constant = GetIRContext()->get_constant_mgr()->FindDeclaredConstant(
constant_def->result_id());
+ // We do not consider irrelevant constants
+ if (GetTransformationContext()->GetFactManager()->IdIsIrrelevant(
+ constant_def->result_id())) {
+ continue;
+ }
+
// We only consider integer constants (scalar or vector).
if (!constant->AsIntConstant() &&
!(constant->AsVectorConstant() &&
