diff options
| -rw-r--r-- | src/compiler/glsl/glsl_parser_extras.cpp | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/compiler/glsl/glsl_parser_extras.cpp b/src/compiler/glsl/glsl_parser_extras.cpp index 275c4d75711..0cc57f5a887 100644 --- a/src/compiler/glsl/glsl_parser_extras.cpp +++ b/src/compiler/glsl/glsl_parser_extras.cpp @@ -2242,6 +2242,24 @@ do_common_optimization(exec_list *ir, bool linked, loop_progress = false; loop_progress |= do_constant_propagation(ir); loop_progress |= do_if_simplification(ir); + + /* Some drivers only call do_common_optimization() once rather + * than in a loop. So we must call do_lower_jumps() after + * unrolling a loop because for drivers that use LLVM validation + * will fail if a jump is not the last instruction in the block. + * For example the following will fail LLVM validation: + * + * (loop ( + * ... + * break + * (assign (x) (var_ref v124) (expression int + (var_ref v124) + * (constant int (1)) ) ) + * )) + */ + loop_progress |= do_lower_jumps(ir, true, true, + options->EmitNoMainReturn, + options->EmitNoCont, + options->EmitNoLoops); } progress |= loop_progress; } |