glsl: Rename "expr" to "lhs_expr" in vector_extract munging code.

When processing assignments, we have both an LHS and RHS.  At a glance,
"lhs_expr" clearly refers to the LHS, while a generic name like "expr"
is ambiguous.

Cc: mesa-stable@lists.freedesktop.org
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>
Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>

diff --git a/src/glsl/ast_to_hir.cpp b/src/glsl/ast_to_hir.cpp
index c71078ede1eca50ebf9e56d6ffb2b47aa0e7518f..67ab09b52e1dc15577ae5dda2e277030756c987f 100644 (file)
--- a/src/glsl/ast_to_hir.cpp
+++ b/src/glsl/ast_to_hir.cpp
@@ -745,9 +745,9 @@ do_assignment(exec_list *instructions, struct _mesa_glsl_parse_state *state,
     * expression, move it to the RHS as an ir_triop_vector_insert.
     */
    if (lhs->ir_type == ir_type_expression) {
-      ir_expression *const expr = lhs->as_expression();
+      ir_expression *const lhs_expr = lhs->as_expression();
 
-      if (unlikely(expr->operation == ir_binop_vector_extract)) {
+      if (unlikely(lhs_expr->operation == ir_binop_vector_extract)) {
          ir_rvalue *new_rhs =
             validate_assignment(state, lhs_loc, lhs->type,
                                 rhs, is_initializer);
@@ -756,11 +756,11 @@ do_assignment(exec_list *instructions, struct _mesa_glsl_parse_state *state,
             return lhs;
          } else {
             rhs = new(ctx) ir_expression(ir_triop_vector_insert,
-                                         expr->operands[0]->type,
-                                         expr->operands[0],
+                                         lhs_expr->operands[0]->type,
+                                         lhs_expr->operands[0],
                                          new_rhs,
-                                         expr->operands[1]);
-            lhs = expr->operands[0]->clone(ctx, NULL);
+                                         lhs_expr->operands[1]);
+            lhs = lhs_expr->operands[0]->clone(ctx, NULL);
          }
       }
    }