From mboxrd@z Thu Jan 1 00:00:00 1970 From: Luc Van Oostenryck Subject: [PATCH 09/13] give a type to OP_PHISOURCE Date: Sun, 5 Mar 2017 12:20:43 +0100 Message-ID: <20170305112047.3411-10-luc.vanoostenryck@gmail.com> References: <20170305112047.3411-1-luc.vanoostenryck@gmail.com> Return-path: Received: from mail-wm0-f68.google.com ([74.125.82.68]:34985 "EHLO mail-wm0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752159AbdCEL1f (ORCPT ); Sun, 5 Mar 2017 06:27:35 -0500 Received: by mail-wm0-f68.google.com with SMTP id z63so7283297wmg.2 for ; Sun, 05 Mar 2017 03:27:33 -0800 (PST) In-Reply-To: <20170305112047.3411-1-luc.vanoostenryck@gmail.com> Sender: linux-sparse-owner@vger.kernel.org List-Id: linux-sparse@vger.kernel.org To: linux-sparse@vger.kernel.org Cc: Dibyendu Majumdar , Luc Van Oostenryck Currently, OP_PHISOURCEs are given a size but not a type. There is no good reasons fro that and it complicate the further correct processing or make it impossible. CC: Dibyendu Majumdar Signed-off-by: Luc Van Oostenryck --- flow.c | 2 +- linearize.c | 16 +++++++--------- linearize.h | 2 +- memops.c | 2 +- 4 files changed, 10 insertions(+), 12 deletions(-) diff --git a/flow.c b/flow.c index 7730e70f1..e574d5e98 100644 --- a/flow.c +++ b/flow.c @@ -370,7 +370,7 @@ found_dominator: if (dominators && phisrc_in_bb(*dominators, parent)) continue; br = delete_last_instruction(&parent->insns); - phi = alloc_phi(parent, one->target, one->size); + phi = alloc_phi(parent, one->target, one->type); phi->ident = phi->ident ? : pseudo->ident; add_instruction(&parent->insns, br); use_pseudo(insn, phi, add_pseudo(dominators, phi)); diff --git a/linearize.c b/linearize.c index bdc85beb9..fb4c7bd10 100644 --- a/linearize.c +++ b/linearize.c @@ -815,9 +815,9 @@ static pseudo_t argument_pseudo(struct entrypoint *ep, int nr) return pseudo; } -pseudo_t alloc_phi(struct basic_block *source, pseudo_t pseudo, int size) +pseudo_t alloc_phi(struct basic_block *source, pseudo_t pseudo, struct symbol *type) { - struct instruction *insn = alloc_instruction(OP_PHISOURCE, size); + struct instruction *insn = alloc_typed_instruction(OP_PHISOURCE, type); pseudo_t phi = __alloc_pseudo(0); static int nr = 0; @@ -1350,19 +1350,18 @@ static pseudo_t linearize_short_conditional(struct entrypoint *ep, struct expres struct basic_block *bb_false; struct basic_block *merge = alloc_basic_block(ep, expr->pos); pseudo_t phi1, phi2; - int size = type_size(expr->ctype); if (!expr_false || !ep->active) return VOID; bb_false = alloc_basic_block(ep, expr_false->pos); src1 = linearize_expression(ep, cond); - phi1 = alloc_phi(ep->active, src1, size); + phi1 = alloc_phi(ep->active, src1, expr->ctype); add_branch(ep, expr, src1, merge, bb_false); set_activeblock(ep, bb_false); src2 = linearize_expression(ep, expr_false); - phi2 = alloc_phi(ep->active, src2, size); + phi2 = alloc_phi(ep->active, src2, expr->ctype); set_activeblock(ep, merge); return add_join_conditional(ep, expr, phi1, phi2); @@ -1376,7 +1375,6 @@ static pseudo_t linearize_conditional(struct entrypoint *ep, struct expression * pseudo_t src1, src2; pseudo_t phi1, phi2; struct basic_block *bb_true, *bb_false, *merge; - int size = type_size(expr->ctype); if (!cond || !expr_true || !expr_false || !ep->active) return VOID; @@ -1388,12 +1386,12 @@ static pseudo_t linearize_conditional(struct entrypoint *ep, struct expression * set_activeblock(ep, bb_true); src1 = linearize_expression(ep, expr_true); - phi1 = alloc_phi(ep->active, src1, size); + phi1 = alloc_phi(ep->active, src1, expr->ctype); add_goto(ep, merge); set_activeblock(ep, bb_false); src2 = linearize_expression(ep, expr_false); - phi2 = alloc_phi(ep->active, src2, size); + phi2 = alloc_phi(ep->active, src2, expr->ctype); set_activeblock(ep, merge); return add_join_conditional(ep, expr, phi1, phi2); @@ -1875,7 +1873,7 @@ static pseudo_t linearize_return(struct entrypoint *ep, struct statement *stmt) phi_node->bb = bb_return; add_instruction(&bb_return->insns, phi_node); } - phi = alloc_phi(active, src, type_size(expr->ctype)); + phi = alloc_phi(active, src, expr->ctype); phi->ident = &return_ident; use_pseudo(phi_node, phi, add_pseudo(&phi_node->phi_list, phi)); } diff --git a/linearize.h b/linearize.h index bac82d7ff..c03940eea 100644 --- a/linearize.h +++ b/linearize.h @@ -331,7 +331,7 @@ struct entrypoint { extern void insert_select(struct basic_block *bb, struct instruction *br, struct instruction *phi, pseudo_t if_true, pseudo_t if_false); extern void insert_branch(struct basic_block *bb, struct instruction *br, struct basic_block *target); -pseudo_t alloc_phi(struct basic_block *source, pseudo_t pseudo, int size); +pseudo_t alloc_phi(struct basic_block *source, pseudo_t pseudo, struct symbol *type); pseudo_t alloc_pseudo(struct instruction *def); pseudo_t value_pseudo(long long val); diff --git a/memops.c b/memops.c index 5efdd6f2d..187a63284 100644 --- a/memops.c +++ b/memops.c @@ -52,7 +52,7 @@ no_dominance: found_dominator: br = delete_last_instruction(&parent->insns); - phi = alloc_phi(parent, one->target, one->size); + phi = alloc_phi(parent, one->target, one->type); phi->ident = phi->ident ? : one->target->ident; add_instruction(&parent->insns, br); use_pseudo(insn, phi, add_pseudo(dominators, phi)); -- 2.11.1