Instructions with a null ->bb are instructions which have
been killed. As such, they must thus always be ignored.
Fix this by adding the missing checks for null ->bb when
looping over all the instructions of a basic block.
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@xxxxxxxxx>
---
graph.c | 2 ++
sparse.c | 2 ++
2 files changed, 4 insertions(+)
diff --git a/graph.c b/graph.c
index c9af9a580..a24c6e177 100644
--- a/graph.c
+++ b/graph.c
@@ -74,6 +74,8 @@ static void graph_ep(struct entrypoint *ep)
/* List loads and stores */
FOR_EACH_PTR(bb->insns, insn) {
+ if (!insn->bb)
+ continue;
switch(insn->opcode) {
case OP_STORE:
if (insn->symbol->type == PSEUDO_SYM) {
diff --git a/sparse.c b/sparse.c
index 768b91253..056d14ff6 100644
--- a/sparse.c
+++ b/sparse.c
@@ -47,6 +47,8 @@ static int context_increase(struct basic_block *bb, int entry)
FOR_EACH_PTR(bb->insns, insn) {
int val;
+ if (!insn->bb)
+ continue;
if (insn->opcode != OP_CONTEXT)
continue;
val = insn->increment;
--
2.17.0
--
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