Handle replacement of ia32_Conv_I2I by Cwtl as peephole optimisation instead of handl...

[libfirm] / ir / be / beverify.c

diff --git a/ir/be/beverify.c b/ir/be/beverify.c
index 7e18c11..c49be92 100644 (file)
--- a/ir/be/beverify.c
+++ b/ir/be/beverify.c
@@ -284,31 +284,28 @@ static void verify_schedule_walker(ir_node *block, void *data) {
 
 static int should_be_scheduled(ir_node *node)
 {
-       if(is_Block(node))
-               return -1;
-
-       if(is_Proj(node))
-               return 0;
-
-       if(get_irn_mode(node) == mode_M) {
-               if(is_Phi(node) || is_Sync(node) || is_Pin(node))
-                       return 0;
-       }
-       if(be_is_Keep(node) && get_irn_opcode(get_nodes_block(node)) == iro_Bad)
-               return 0;
-
        switch(get_irn_opcode(node)) {
+       case iro_Bad:
+       case iro_Block:
        case iro_End:
        case iro_NoMem:
-       case iro_Bad:
+       case iro_Pin:
+       case iro_Proj:
+       case iro_Sync:
        case iro_Unknown:
                return 0;
+       case iro_Phi:
+               if (get_irn_mode(node) == mode_M)
+                       return 0;
+               break;
        default:
                break;
        }
 
-       if (arch_irn_get_flags(node) & arch_irn_flags_ignore)
-               return -1;
+       if (get_irn_mode(node) != mode_T) {
+               if (arch_irn_is_ignore(node))
+                       return -1;
+       }
 
        return 1;
 }
@@ -771,7 +768,7 @@ static void value_used(ir_node *node) {
                return;
 
        reg = arch_get_irn_register(node);
-       if (reg->type & arch_register_type_virtual)
+       if (reg == NULL || reg->type & arch_register_type_virtual)
                return;
 
        reg_node = registers[reg->index];
@@ -794,7 +791,7 @@ static void value_def(ir_node *node)
                return;
 
        reg = arch_get_irn_register(node);
-       if (reg->type & arch_register_type_virtual)
+       if (reg == NULL || reg->type & arch_register_type_virtual)
                return;
 
        reg_node = registers[reg->index];