* [RFC] [PATCH 3/4] and other branch usage fix
@ 2006-12-28 9:26 Christopher Li
0 siblings, 0 replies; only message in thread
From: Christopher Li @ 2006-12-28 9:26 UTC (permalink / raw)
To: linux-sparse; +Cc: Linus Torvalds, Josh Triplett, Dan Carpenter
Remove dead branch from usage chain.
Branch like the following will get simplify and removed.
But the usage information is not updated.
br %c, 0x10, 0x10
Singed-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);
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2006-12-28 9:26 [RFC] [PATCH 3/4] and other branch usage fix Christopher Li
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