From 757b5735f44e9a9454f12612ec00c38d81f5f32c Mon Sep 17 00:00:00 2001
From: lemon <lsof@mailbox.org>
Date: Sat, 11 Apr 2026 12:14:09 +0200
Subject: backend: run mem2reg after inlining

---
 src/ir.c     | 6 +++++-
 src/ir_ssa.c | 2 ++
 2 files changed, 7 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/ir.c b/src/ir.c
index ead9ae4..f34cfaf 100644
--- a/src/ir.c
+++ b/src/ir.c
@@ -680,7 +680,11 @@ irfini(Function *fn)
       copyopt(fn);
    }
    if (ccopt.o >= OPT1) {
-      doinline(fn);
+      if (doinline(fn)) {
+         filluses(fn);
+         copyopt(fn);
+         mem2reg(fn);
+      }
       freearena(fn->passarena);
       filldom(fn);
       if (!(fn->prop & FNUSE)) filluses(fn);
diff --git a/src/ir_ssa.c b/src/ir_ssa.c
index 6e7945b..a1d960f 100644
--- a/src/ir_ssa.c
+++ b/src/ir_ssa.c
@@ -35,6 +35,8 @@ copyopt(Function *fn)
             if (ins->cls != k) continue;
 
             replcuses(var, arg);
+            if (arg.t == RTMP)
+               deluse(blk, var.i, arg);
             *ins = mkinstr0(Onop,0);
             deluses(var.i);
          }
-- 
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