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-rw-r--r--src/glsl/ir.h25
1 files changed, 25 insertions, 0 deletions
diff --git a/src/glsl/ir.h b/src/glsl/ir.h
index fdc22edf133..b3a98b88a1e 100644
--- a/src/glsl/ir.h
+++ b/src/glsl/ir.h
@@ -109,6 +109,31 @@ public:
virtual ir_instruction *clone(void *mem_ctx,
struct hash_table *ht) const = 0;
+ bool is_rvalue() const
+ {
+ return ir_type == ir_type_dereference_array ||
+ ir_type == ir_type_dereference_record ||
+ ir_type == ir_type_dereference_variable ||
+ ir_type == ir_type_constant ||
+ ir_type == ir_type_expression ||
+ ir_type == ir_type_swizzle ||
+ ir_type == ir_type_texture;
+ }
+
+ bool is_dereference() const
+ {
+ return ir_type == ir_type_dereference_array ||
+ ir_type == ir_type_dereference_record ||
+ ir_type == ir_type_dereference_variable;
+ }
+
+ bool is_jump() const
+ {
+ return ir_type == ir_type_loop_jump ||
+ ir_type == ir_type_return ||
+ ir_type == ir_type_discard;
+ }
+
/**
* \name IR instruction downcast functions
*