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authorCamille Mougey <commial@gmail.com>2018-07-19 12:50:46 +0200
committerGitHub <noreply@github.com>2018-07-19 12:50:46 +0200
commit294bf075ba6c46743b36e04b8245df88d5783ff5 (patch)
tree0d956d4c0a5ed3793a6137723afd845161e2f21c
parent300b8e412a615fcc7f125126fab25aae5889af1c (diff)
parentac456dd9deabb80bf414f815677d6759004ad40e (diff)
downloadmiasm-294bf075ba6c46743b36e04b8245df88d5783ff5.tar.gz
miasm-294bf075ba6c46743b36e04b8245df88d5783ff5.zip
Merge pull request #810 from serpilliere/fix_dead_simp
Dataflow: do not remote exception_flags in dead_simp
-rw-r--r--miasm2/analysis/data_flow.py1
1 files changed, 1 insertions, 0 deletions
diff --git a/miasm2/analysis/data_flow.py b/miasm2/analysis/data_flow.py
index 62176bb1..bba598e0 100644
--- a/miasm2/analysis/data_flow.py
+++ b/miasm2/analysis/data_flow.py
@@ -229,6 +229,7 @@ def dead_simp_useful_assignblks(irarch, defuse, reaching_defs):
             for lval, rval in assignblk.iteritems():
                 if (lval.is_mem() or
                     irarch.IRDst == lval or
+                    lval.is_id("exception_flags") or
                     rval.is_function_call()):
                     useful.add(AssignblkNode(block_lbl, index, lval))