From 498af259eb087e38f22c7ba49615cd38e271fabd Mon Sep 17 00:00:00 2001 From: Quentin Carbonneaux Date: Mon, 13 Mar 2023 11:00:07 +0100 Subject: fix memory leak --- mem.c | 23 ++++++++++++----------- 1 file changed, 12 insertions(+), 11 deletions(-) diff --git a/mem.c b/mem.c index 36359a0..944cd2f 100644 --- a/mem.c +++ b/mem.c @@ -108,8 +108,8 @@ struct Slot { bits l; Range r; Slot *s; - Store *dead; - int ndead; + Store *st; + int nst; }; static inline int @@ -177,9 +177,9 @@ store(Ref r, bits x, int ip, Ins *i, Fn *fn, Slot *sl) radd(&s->r, ip); s->l &= ~(x << off); } else { - vgrow(&s->dead, ++s->ndead); - s->dead[s->ndead-1].ip = ip; - s->dead[s->ndead-1].i = i; + vgrow(&s->st, ++s->nst); + s->st[s->nst-1].ip = ip; + s->st[s->nst-1].i = i; } } } @@ -236,8 +236,8 @@ coalesce(Fn *fn) s->sz = t->alias.u.loc.sz; s->m = t->alias.u.loc.m; s->s = 0; - s->dead = vnew(0, sizeof s->dead[0], PHeap); - s->ndead = 0; + s->st = vnew(0, sizeof s->st[0], PHeap); + s->nst = 0; } } @@ -306,9 +306,9 @@ coalesce(Fn *fn) /* kill dead stores */ for (s=sl; s<&sl[nsl]; s++) - for (n=0; nndead; n++) - if (!rin(s->r, s->dead[n].ip)) { - i = s->dead[n].i; + for (n=0; nnst; n++) + if (!rin(s->r, s->st[n].ip)) { + i = s->st[n].i; if (i->op == Oblit0) *(i+1) = (Ins){.op = Onop}; *i = (Ins){.op = Onop}; @@ -322,6 +322,7 @@ coalesce(Fn *fn) for (s=s0=sl; s<&sl[nsl]; s++) { total += s->sz; if (!s->r.b) { + vfree(s->st); vgrow(&stk, ++n); stk[n-1] = s->t; freed += s->sz; @@ -477,6 +478,6 @@ coalesce(Fn *fn) } for (s=sl; s<&sl[nsl]; s++) - vfree(s->dead); + vfree(s->st); vfree(sl); } -- cgit 1.4.1