diff options
Diffstat (limited to 'src/compiler/glsl/opt_constant_variable.cpp')
| -rw-r--r-- | src/compiler/glsl/opt_constant_variable.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/compiler/glsl/opt_constant_variable.cpp b/src/compiler/glsl/opt_constant_variable.cpp index 3ddb12904c7..1c06ffe6750 100644 --- a/src/compiler/glsl/opt_constant_variable.cpp +++ b/src/compiler/glsl/opt_constant_variable.cpp @@ -102,6 +102,13 @@ ir_constant_variable_visitor::visit_enter(ir_assignment *ir) assert(entry); entry->assignment_count++; + /* If there's more than one assignment, don't bother - we won't do anything + * with this variable anyway, and continuing just wastes memory cloning + * constant expressions. + */ + if (entry->assignment_count > 1) + return visit_continue; + /* If it's already constant, don't do the work. */ if (entry->var->constant_value) return visit_continue; |