From 76028e8855c9f8d0e14d74e3b1e599face3b54fa Mon Sep 17 00:00:00 2001
From: Dmitry Stogov <dmitry@zend.com>
Date: Mon, 5 Sep 2022 22:43:27 +0300
Subject: [PATCH] Fix compilation warnings

---
 ir.g       | 5 +++--
 ir.h       | 2 +-
 ir_check.c | 3 ++-
 ir_gcm.c   | 3 ++-
 ir_ra.c    | 2 ++
 5 files changed, 10 insertions(+), 5 deletions(-)

diff --git a/ir.g b/ir.g
index 67bd4bb..00bbeba 100644
--- a/ir.g
+++ b/ir.g
@@ -125,7 +125,7 @@ ir_func_prototype(ir_parser_ctx *p):
 
 ir_insn(ir_parser_ctx *p):
 	{const char *str, *str2 = NULL, *func;}
-	{size_t len, len2, func_len;}
+	{size_t len, len2 = 0, func_len;}
 	{uint8_t op;}
 	{uint8_t t = 0;}
 	{ir_ref op1 = IR_UNUSED;}
@@ -147,7 +147,8 @@ ir_insn(ir_parser_ctx *p):
 		ID(&str, &len)
 	)
 	"="
-	(	const(t, &val)
+	(	{val.u64 = 0;}
+		const(t, &val)
 		{ref = ir_const(p->ctx, val, t);}
 	|	"func" "(" ID(&func, &func_len)
 		{flags.u64 = 0;}
diff --git a/ir.h b/ir.h
index fcc1c4a..01bbcd1 100644
--- a/ir.h
+++ b/ir.h
@@ -588,7 +588,7 @@ void ir_dump_live_ranges(ir_ctx *ctx, FILE *f);
 int ir_emit_c(ir_ctx *ctx, FILE *f);
 
 /* IR verification API (implementation in ir_check.c) */
-void ir_check(ir_ctx *ctx);
+bool ir_check(ir_ctx *ctx);
 void ir_consistency_check(void);
 
 /* IR Memmory Allocation */
diff --git a/ir_check.c b/ir_check.c
index 650b3ef..61c3ae1 100644
--- a/ir_check.c
+++ b/ir_check.c
@@ -33,7 +33,7 @@ void ir_consistency_check(void)
 	IR_ASSERT(IR_ADD + 1 == IR_SUB);
 }
 
-void ir_check(ir_ctx *ctx)
+bool ir_check(ir_ctx *ctx)
 {
 	//TODO:
 	ir_ref i, j, n, *p, use;
@@ -179,4 +179,5 @@ void ir_check(ir_ctx *ctx)
 	}
 
 	IR_ASSERT(ok);
+	return ok;
 }
diff --git a/ir_gcm.c b/ir_gcm.c
index 498d441..9ce7627 100644
--- a/ir_gcm.c
+++ b/ir_gcm.c
@@ -548,6 +548,7 @@ restart:
 				}
 				new_insn->op3 = ref;
 				if (n > 3) {
+					ir_ref *ops = new_insn->ops;
 					for (k = 3, p = insn->ops + 3; k <= n; k++, p++) {
 						ref = *p;
 						ref = _xlat[ref];
@@ -556,7 +557,7 @@ restart:
 							lists[ref].count++;
 							edges_count++;
 						}
-						new_insn->ops[k] = ref;
+						ops[k] = ref;
 					}
 				}
 				break;
diff --git a/ir_ra.c b/ir_ra.c
index 8b220d6..912ba92 100644
--- a/ir_ra.c
+++ b/ir_ra.c
@@ -1273,6 +1273,7 @@ IR_ALWAYS_INLINE ir_live_pos ir_ival_end(ir_live_interval *ival)
 #endif
 }
 
+#ifdef IR_DEBUG
 static bool ir_ival_covers(ir_live_interval *ival, ir_live_pos position)
 {
 	ir_live_range *live_range = &ival->range;
@@ -1286,6 +1287,7 @@ static bool ir_ival_covers(ir_live_interval *ival, ir_live_pos position)
 
 	return 0;
 }
+#endif
 
 static bool ir_ival_has_hole_between(ir_live_interval *ival, ir_live_pos from, ir_live_pos to)
 {