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Use a dynamic array for phi arguments

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Michael Forney 2020-04-19 16:31:52 -07:00 • committed by Quentin Carbonneaux
parent 190263f1b6
commit 9de57265ce
6 changed files with 22 additions and 8 deletions
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6
ssa.c
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@ -181,6 +181,8 @@ phiins(Fn *fn)
p->cls = k;
p->to = TMP(t);
p->link = a->phi;
p->arg = vnew(0, sizeof p->arg[0], Pfn);
p->blk = vnew(0, sizeof p->blk[0], Pfn);
a->phi = p;
if (!bshas(defs, a->id))
if (!bshas(u, a->id)) {
@ -294,8 +296,8 @@ renblk(Blk *b, Name **stk, Fn *fn)
t = p->to.val;
if ((t=fn->tmp[t].visit)) {
m = p->narg++;
if (m == NPred)
die("renblk, too many phi args");
vgrow(&p->arg, p->narg);
vgrow(&p->blk, p->narg);
p->arg[m] = getstk(t, b, stk);
p->blk[m] = b;
}