make a header for simplification

The few external functions defined in simplify.h are declared
in flow.h (for historical reasons).

In preparation for some changes, create a specific headers for these.

Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>

4 files changed, 10 insertions, 1 deletions

diff --git a/flow.h b/flow.h
index c3461c8c..7cdc7c2a 100644
--- a/flow.h
+++ b/flow.h
@@ -21,7 +21,6 @@ extern int simplify_cfg_early(struct entrypoint *ep);
 
 extern void convert_instruction_target(struct instruction *insn, pseudo_t src);
 extern void remove_dead_insns(struct entrypoint *);
-extern int simplify_instruction(struct instruction *);
 
 extern void kill_bb(struct basic_block *);
 extern void kill_use(pseudo_t *);
diff --git a/optimize.c b/optimize.c
index 9b754831..3351e67b 100644
--- a/optimize.c
+++ b/optimize.c
@@ -12,6 +12,7 @@
 #include "flowgraph.h"
 #include "linearize.h"
 #include "liveness.h"
+#include "simplify.h"
 #include "flow.h"
 #include "cse.h"
 #include "ir.h"
diff --git a/simplify.c b/simplify.c
index 29b368e9..69eae4f8 100644
--- a/simplify.c
+++ b/simplify.c
@@ -44,6 +44,7 @@
 #include "parse.h"
 #include "expression.h"
 #include "linearize.h"
+#include "simplify.h"
 #include "flow.h"
 #include "symbol.h"
 
diff --git a/simplify.h b/simplify.h
new file mode 100644
index 00000000..200d79c0
--- /dev/null
+++ b/simplify.h
@@ -0,0 +1,8 @@
+#ifndef SIMPLIFY_H
+#define SIMPLIFY_H
+
+#include "linearize.h"
+
+int simplify_instruction(struct instruction *insn);
+
+#endif