From: David Given <dg@cowlark.com>
Date: Mon, 12 Dec 2016 22:47:05 +0000 (+0100)
Subject: Don't record use-def data; we have a pass now that does this for us.
X-Git-Url: https://git.ndcode.org/public/gitweb.cgi?a=commitdiff_plain;h=0dce6b4c759509d45b76c6ae5f5a19d8189faa73;p=ack.git

Don't record use-def data; we have a pass now that does this for us.
---

diff --git a/mach/proto/mcg/pass_instructionselection.c b/mach/proto/mcg/pass_instructionselection.c
index c68325529..3dc187c96 100644
--- a/mach/proto/mcg/pass_instructionselection.c
+++ b/mach/proto/mcg/pass_instructionselection.c
@@ -54,7 +54,6 @@ static void emit_reg(int child, int index)
     if (vreg)
     {
         hop_add_vreg_insel(current_hop, vreg, index);
-        array_appendu(&vreg->used, current_hop);
     }
 }
 
@@ -146,7 +145,6 @@ static void constrain_output_reg(uint32_t attr)
         current_hop->output = vreg = new_vreg();
 
     array_appendu(&current_hop->outs, vreg);
-    vreg->defined = current_hop;
     vreg->type = find_type_from_constraint(attr);
 
     get_constraint(vreg)->attrs = attr;