From mboxrd@z Thu Jan  1 00:00:00 1970
From: Christopher Li <sparse@chrisli.org>
Subject: [PATCH 5] Update usage chain for dead instruction.
Date: Tue, 16 Jan 2007 18:38:04 -0800
Message-ID: <20070117023804.GE962@chrisli.org>
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Branch like that:
br %c, 0x10, 0x10

Will be simplify and removed. But the usage information is not updated.

Signed-Off-By: Christopher Li<sparse@chrisli.org>

Index: sparse/flow.c
===================================================================
--- sparse.orig/flow.c	2006-12-21 20:48:07.000000000 -0800
+++ sparse/flow.c	2006-12-21 22:20:44.000000000 -0800
@@ -987,7 +987,7 @@ out:
 			replace_bb_in_list(&child->parents, bb, parent, 0);
 		} END_FOR_EACH_PTR(child);
 
-		delete_last_instruction(&parent->insns);
+		kill_instruction(delete_last_instruction(&parent->insns));
 		FOR_EACH_PTR(bb->insns, insn) {
 			if (insn->bb) {
 				assert(insn->bb == bb);