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-rw-r--r--test/analysis/depgraph.py654
1 files changed, 383 insertions, 271 deletions
diff --git a/test/analysis/depgraph.py b/test/analysis/depgraph.py
index 9fb046d0..2ba5f044 100644
--- a/test/analysis/depgraph.py
+++ b/test/analysis/depgraph.py
@@ -1,6 +1,7 @@
 """Regression test module for DependencyGraph"""
-from miasm2.expression.expression import ExprId, ExprInt, ExprAff, ExprCond
-from miasm2.core.asmblock import AsmLabel
+from miasm2.expression.expression import ExprId, ExprInt, ExprAff, ExprCond, \
+    ExprLoc, LocKey
+from miasm2.core.locationdb import LocationDB
 from miasm2.ir.analysis import ira
 from miasm2.ir.ir import IRBlock, AssignBlock
 from miasm2.core.graph import DiGraph
@@ -9,6 +10,8 @@ from itertools import count
 from pdb import pm
 import re
 
+loc_db = LocationDB()
+
 EMULATION = True
 try:
     import z3
@@ -21,6 +24,7 @@ B = ExprId("b", 32)
 C = ExprId("c", 32)
 D = ExprId("d", 32)
 R = ExprId("r", 32)
+COND = ExprId("cond", 32)
 
 A_INIT = ExprId("a_init", 32)
 B_INIT = ExprId("b_init", 32)
@@ -41,13 +45,13 @@ CST33 = ExprInt(0x33, 32)
 CST35 = ExprInt(0x35, 32)
 CST37 = ExprInt(0x37, 32)
 
-LBL0 = AsmLabel("lbl0")
-LBL1 = AsmLabel("lbl1")
-LBL2 = AsmLabel("lbl2")
-LBL3 = AsmLabel("lbl3")
-LBL4 = AsmLabel("lbl4")
-LBL5 = AsmLabel("lbl5")
-LBL6 = AsmLabel("lbl6")
+LBL0 = loc_db.add_location("lbl0", 0)
+LBL1 = loc_db.add_location("lbl1", 1)
+LBL2 = loc_db.add_location("lbl2", 2)
+LBL3 = loc_db.add_location("lbl3", 3)
+LBL4 = loc_db.add_location("lbl4", 4)
+LBL5 = loc_db.add_location("lbl5", 5)
+LBL6 = loc_db.add_location("lbl6", 6)
 
 def gen_irblock(label, exprs_list):
     """ Returns an IRBlock.
@@ -87,10 +91,10 @@ class IRATest(ira):
 
     """Fake IRA class for tests"""
 
-    def __init__(self, symbol_pool=None):
+    def __init__(self, loc_db=None):
         arch = Arch()
-        super(IRATest, self).__init__(arch, 32, symbol_pool)
-        self.IRDst = PC
+        super(IRATest, self).__init__(arch, 32, loc_db)
+        self.IRDst = ExprId("IRDst", 32)
         self.ret_reg = R
 
     def get_out_regs(self, _):
@@ -111,18 +115,17 @@ def bloc2graph(irgraph, label=False, lines=True):
 
     # Generate basic blocks
     out_blocks = []
-    for label in irgraph.graph.nodes():
-        if isinstance(label, AsmLabel):
-            label_name = label.name
-        else:
-            label_name = str(label)
+    for label in irgraph.nodes():
+        assert isinstance(label, LocKey)
+        label_names = irgraph.loc_db.get_location_names(label)
+        label_name = list(label_names)[0]
 
         if hasattr(irgraph, 'blocks'):
             irblock = irgraph.blocks[label]
         else:
             irblock = None
-        if isinstance(label, AsmLabel):
-            out_block = '%s [\n' % label.name
+        if isinstance(label, LocKey):
+            out_block = '%s [\n' % label_name
         else:
             out_block = '%s [\n' % label
         out_block += "%s " % block_attr
@@ -151,20 +154,19 @@ def bloc2graph(irgraph, label=False, lines=True):
 
     out += out_blocks
     # Generate links
-    for src, dst in irgraph.graph.edges():
-            if isinstance(src, AsmLabel):
-                src_name = src.name
-            else:
-                src_name = str(src)
-            if isinstance(dst, AsmLabel):
-                dst_name = dst.name
-            else:
-                dst_name = str(dst)
+    for src, dst in irgraph.edges():
+        assert isinstance(src, LocKey)
+        src_names = irgraph.loc_db.get_location_names(src)
+        assert isinstance(dst, LocKey)
+        dst_names = irgraph.loc_db.get_location_names(dst)
 
-            edge_color = "black"
-            out.append('%s -> %s' % (src_name,
-                                     dst_name) +
-                       '[' + edge_attr % ("", edge_color) + '];')
+        src_name = list(src_names)[0]
+        dst_name = list(dst_names)[0]
+
+        edge_color = "black"
+        out.append('%s -> %s' % (src_name,
+                                 dst_name) +
+                   '[' + edge_attr % ("", edge_color) + '];')
 
     out.append("}")
     return '\n'.join(out)
@@ -184,19 +186,20 @@ def dg2graph(graph, label=False, lines=True):
 
     # Generate basic blocks
     out_blocks = []
-    for label in graph.nodes():
-        if isinstance(label, DependencyNode):
-            label_name = "%s %s %s" % (label.label.name,
-                                       label.element,
-                                       label.line_nb)
+    for node in graph.nodes():
+        if isinstance(node, DependencyNode):
+            name = loc_db.pretty_str(node.loc_key)
+            node_name = "%s %s %s" % (name,
+                                       node.element,
+                                       node.line_nb)
         else:
-            label_name = str(label)
-        out_block = '%s [\n' % hash(label)
+            node_name = str(node)
+        out_block = '%s [\n' % hash(node)
         out_block += "%s " % block_attr
         out_block += 'label =<<table border="0" cellborder="0" cellpadding="3">'
 
         block_label = '<tr><td %s>%s</td></tr>' % (
-            label_attr, label_name)
+            label_attr, node_name)
         block_html_lines = []
         block_html_lines = ('<tr><td %s>' % td_attr +
                             ('</td></tr><tr><td %s>' % td_attr).join(block_html_lines) +
@@ -226,370 +229,476 @@ DNC2 = DependencyNode(LBL1, C, 0)
 DNB3 = DependencyNode(LBL1, B, 1)
 DNC3 = DependencyNode(LBL1, C, 0)
 
+IRA = IRATest(loc_db)
+IRDst = IRA.IRDst
+END = ExprId("END", IRDst.size)
 # graph 1
 
-G1_IRA = IRATest()
-
-G1_IRB0 = gen_irblock(LBL0, [[ExprAff(C, CST1)]])
-G1_IRB1 = gen_irblock(LBL1, [[ExprAff(B, C)]])
-G1_IRB2 = gen_irblock(LBL2, [[ExprAff(A, B)]])
+G1_IRA = IRA.new_ircfg()
 
-G1_IRA.graph.add_uniq_edge(G1_IRB0.label, G1_IRB1.label)
-G1_IRA.graph.add_uniq_edge(G1_IRB1.label, G1_IRB2.label)
+G1_IRB0 = gen_irblock(LBL0, [[ExprAff(C, CST1), ExprAff(IRDst, ExprLoc(LBL1, 32))]])
+G1_IRB1 = gen_irblock(LBL1, [[ExprAff(B, C), ExprAff(IRDst, ExprLoc(LBL2, 32))]])
+G1_IRB2 = gen_irblock(LBL2, [[ExprAff(A, B), ExprAff(IRDst, END)]])
 
-G1_IRA.blocks = dict([(irb.label, irb) for irb in [G1_IRB0, G1_IRB1, G1_IRB2]])
+for irb in [G1_IRB0, G1_IRB1, G1_IRB2]:
+    G1_IRA.add_irblock(irb)
 
 # graph 2
 
-G2_IRA = IRATest()
+G2_IRA = IRA.new_ircfg()
 
-G2_IRB0 = gen_irblock(LBL0, [[ExprAff(C, CST1)]])
-G2_IRB1 = gen_irblock(LBL1, [[ExprAff(B, CST2)]])
-G2_IRB2 = gen_irblock(LBL2, [[ExprAff(A, B + C)]])
+G2_IRB0 = gen_irblock(LBL0, [[ExprAff(C, CST1), ExprAff(IRDst, ExprLoc(LBL1, 32))]])
+G2_IRB1 = gen_irblock(LBL1, [[ExprAff(B, CST2), ExprAff(IRDst, ExprLoc(LBL2, 32))]])
+G2_IRB2 = gen_irblock(LBL2, [[ExprAff(A, B + C), ExprAff(IRDst, END)]])
 
-G2_IRA.graph.add_uniq_edge(G2_IRB0.label, G2_IRB1.label)
-G2_IRA.graph.add_uniq_edge(G2_IRB1.label, G2_IRB2.label)
-
-G2_IRA.blocks = dict([(irb.label, irb) for irb in [G2_IRB0, G2_IRB1, G2_IRB2]])
+for irb in [G2_IRB0, G2_IRB1, G2_IRB2]:
+    G2_IRA.add_irblock(irb)
 
 
 # graph 3
 
-G3_IRA = IRATest()
-
-G3_IRB0 = gen_irblock(LBL0, [[ExprAff(C, CST1)]])
-G3_IRB1 = gen_irblock(LBL1, [[ExprAff(B, CST2)]])
-G3_IRB2 = gen_irblock(LBL2, [[ExprAff(B, CST3)]])
-G3_IRB3 = gen_irblock(LBL3, [[ExprAff(A, B + C)]])
-
-G3_IRA.graph.add_uniq_edge(G3_IRB0.label, G3_IRB1.label)
-G3_IRA.graph.add_uniq_edge(G3_IRB0.label, G3_IRB2.label)
-G3_IRA.graph.add_uniq_edge(G3_IRB1.label, G3_IRB3.label)
-G3_IRA.graph.add_uniq_edge(G3_IRB2.label, G3_IRB3.label)
-
-G3_IRA.blocks = dict([(irb.label, irb) for irb in [G3_IRB0, G3_IRB1,
-                                                   G3_IRB2, G3_IRB3]])
+G3_IRA = IRA.new_ircfg()
+
+G3_IRB0 = gen_irblock(
+    LBL0,
+    [
+        [ExprAff(C, CST1), ExprAff(
+            IRDst, ExprCond(
+                COND,
+                ExprLoc(LBL1, 32),
+                ExprLoc(LBL2, 32)
+            )
+        )
+        ]
+    ]
+)
+
+G3_IRB1 = gen_irblock(LBL1, [[ExprAff(B, CST2), ExprAff(IRDst, ExprLoc(LBL3, 32))]])
+G3_IRB2 = gen_irblock(LBL2, [[ExprAff(B, CST3), ExprAff(IRDst, ExprLoc(LBL3, 32))]])
+G3_IRB3 = gen_irblock(LBL3, [[ExprAff(A, B + C), ExprAff(IRDst, END)]])
+
+for irb in [G3_IRB0, G3_IRB1, G3_IRB2, G3_IRB3]:
+    G3_IRA.add_irblock(irb)
 
 # graph 4
 
-G4_IRA = IRATest()
-
-G4_IRB0 = gen_irblock(LBL0, [[ExprAff(C, CST1)]])
-G4_IRB1 = gen_irblock(LBL1, [[ExprAff(C, C + CST2)],
-                             [ExprAff(G4_IRA.IRDst,
-                                      ExprCond(C, ExprId(LBL2, 32),
-                                               ExprId(LBL1, 32)))]])
+G4_IRA = IRA.new_ircfg()
 
-G4_IRB2 = gen_irblock(LBL2, [[ExprAff(A, B)]])
+G4_IRB0 = gen_irblock(LBL0, [[ExprAff(C, CST1), ExprAff(IRDst, ExprLoc(LBL1, 32))]])
+G4_IRB1 = gen_irblock(
+    LBL1,
+    [
+        [ExprAff(C, C + CST2)],
+        [ExprAff(IRDst,
+                 ExprCond(
+                     C,
+                     ExprLoc(LBL2, 32),
+                     ExprLoc(LBL1, 32))
+        )
+        ]]
+)
 
-G4_IRA.graph.add_uniq_edge(G4_IRB0.label, G4_IRB1.label)
-G4_IRA.graph.add_uniq_edge(G4_IRB1.label, G4_IRB2.label)
-G4_IRA.graph.add_uniq_edge(G4_IRB1.label, G4_IRB1.label)
+G4_IRB2 = gen_irblock(LBL2, [[ExprAff(A, B), ExprAff(IRDst, END)]])
 
-G4_IRA.blocks = dict([(irb.label, irb) for irb in [G4_IRB0, G4_IRB1, G4_IRB2]])
+for irb in [G4_IRB0, G4_IRB1, G4_IRB2]:
+    G4_IRA.add_irblock(irb)
 
 
 # graph 5
 
-G5_IRA = IRATest()
-
-G5_IRB0 = gen_irblock(LBL0, [[ExprAff(B, CST1)]])
-G5_IRB1 = gen_irblock(LBL1, [[ExprAff(B, B + CST2)],
-                             [ExprAff(G5_IRA.IRDst,
-                                      ExprCond(B, ExprId(LBL2, 32),
-                                               ExprId(LBL1, 32)))]])
-
-G5_IRB2 = gen_irblock(LBL2, [[ExprAff(A, B)]])
-
-G5_IRA.graph.add_uniq_edge(G5_IRB0.label, G5_IRB1.label)
-G5_IRA.graph.add_uniq_edge(G5_IRB1.label, G5_IRB2.label)
-G5_IRA.graph.add_uniq_edge(G5_IRB1.label, G5_IRB1.label)
-
-G5_IRA.blocks = dict([(irb.label, irb) for irb in [G5_IRB0, G5_IRB1, G5_IRB2]])
+G5_IRA = IRA.new_ircfg()
+
+G5_IRB0 = gen_irblock(LBL0, [[ExprAff(B, CST1), ExprAff(IRDst, ExprLoc(LBL1, 32))]])
+G5_IRB1 = gen_irblock(
+    LBL1,
+    [
+        [ExprAff(B, B + CST2)],
+        [ExprAff(
+            IRDst,
+            ExprCond(
+                B,
+                ExprLoc(LBL2, 32),
+                ExprLoc(LBL1, 32)
+            )
+        )
+        ]
+    ]
+)
+
+G5_IRB2 = gen_irblock(LBL2, [[ExprAff(A, B), ExprAff(IRDst, END)]])
+
+for irb in [G5_IRB0, G5_IRB1, G5_IRB2]:
+    G5_IRA.add_irblock(irb)
 
 # graph 6
 
-G6_IRA = IRATest()
+G6_IRA = IRA.new_ircfg()
 
-G6_IRB0 = gen_irblock(LBL0, [[ExprAff(B, CST1)]])
-G6_IRB1 = gen_irblock(LBL1, [[ExprAff(A, B)]])
+G6_IRB0 = gen_irblock(LBL0, [[ExprAff(B, CST1), ExprAff(IRDst, ExprLoc(LBL1, 32))]])
+G6_IRB1 = gen_irblock(LBL1, [[ExprAff(A, B), ExprAff(IRDst, ExprLoc(LBL1, 32))]])
 
-G6_IRA.graph.add_uniq_edge(G6_IRB0.label, G6_IRB1.label)
-G6_IRA.graph.add_uniq_edge(G6_IRB1.label, G6_IRB1.label)
-
-G6_IRA.blocks = dict([(irb.label, irb) for irb in [G6_IRB0, G6_IRB1]])
+for irb in [G6_IRB0, G6_IRB1]:
+    G6_IRA.add_irblock(irb)
 
 # graph 7
 
-G7_IRA = IRATest()
-
-G7_IRB0 = gen_irblock(LBL0, [[ExprAff(C, CST1)]])
-G7_IRB1 = gen_irblock(LBL1, [[ExprAff(B, C)], [ExprAff(A, B)]])
-G7_IRB2 = gen_irblock(LBL2, [[ExprAff(D, A)]])
-
-G7_IRA.graph.add_uniq_edge(G7_IRB0.label, G7_IRB1.label)
-G7_IRA.graph.add_uniq_edge(G7_IRB1.label, G7_IRB1.label)
-G7_IRA.graph.add_uniq_edge(G7_IRB1.label, G7_IRB2.label)
-
-G7_IRA.blocks = dict([(irb.label, irb) for irb in [G7_IRB0, G7_IRB1, G7_IRB2]])
+G7_IRA = IRA.new_ircfg()
+
+G7_IRB0 = gen_irblock(LBL0, [[ExprAff(C, CST1), ExprAff(IRDst, ExprLoc(LBL1, 32))]])
+G7_IRB1 = gen_irblock(
+    LBL1,
+    [
+        [ExprAff(B, C)],
+        [ExprAff(A, B)],
+        [ExprAff(
+            IRDst,
+            ExprCond(
+                COND,
+                ExprLoc(LBL1, 32),
+                ExprLoc(LBL2, 32)
+            )
+        )
+        ]
+    ]
+)
+
+G7_IRB2 = gen_irblock(LBL2, [[ExprAff(D, A), ExprAff(IRDst, END)]])
+
+for irb in [G7_IRB0, G7_IRB1, G7_IRB2]:
+    G7_IRA.add_irblock(irb)
 
 # graph 8
 
-G8_IRA = IRATest()
-
-G8_IRB0 = gen_irblock(LBL0, [[ExprAff(C, CST1)]])
-G8_IRB1 = gen_irblock(LBL1, [[ExprAff(B, C)], [ExprAff(C, D)]])
-G8_IRB2 = gen_irblock(LBL2, [[ExprAff(A, B)]])
-
-G8_IRA.graph.add_uniq_edge(G8_IRB0.label, G8_IRB1.label)
-G8_IRA.graph.add_uniq_edge(G8_IRB1.label, G8_IRB1.label)
-G8_IRA.graph.add_uniq_edge(G8_IRB1.label, G8_IRB2.label)
-
-G8_IRA.blocks = dict([(irb.label, irb) for irb in [G8_IRB0, G8_IRB1, G8_IRB2]])
+G8_IRA = IRA.new_ircfg()
+
+G8_IRB0 = gen_irblock(LBL0, [[ExprAff(C, CST1), ExprAff(IRDst, ExprLoc(LBL1, 32))]])
+G8_IRB1 = gen_irblock(
+    LBL1,
+    [
+        [ExprAff(B, C)],
+        [ExprAff(C, D),
+         ExprAff(
+             IRDst,
+             ExprCond(
+                 COND,
+                 ExprLoc(LBL1, 32),
+                 ExprLoc(LBL2, 32)
+             )
+         )
+        ]
+    ]
+)
+G8_IRB2 = gen_irblock(LBL2, [[ExprAff(A, B), ExprAff(IRDst, END)]])
+
+for irb in [G8_IRB0, G8_IRB1, G8_IRB2]:
+    G8_IRA.add_irblock(irb)
 
 # graph 9 is graph 8
 
 # graph 10
 
-G10_IRA = IRATest()
-
-G10_IRB1 = gen_irblock(LBL1, [[ExprAff(B, B + CST2)]])
-G10_IRB2 = gen_irblock(LBL2, [[ExprAff(A, B)]])
-
-G10_IRA.graph.add_uniq_edge(G10_IRB1.label, G10_IRB2.label)
-G10_IRA.graph.add_uniq_edge(G10_IRB1.label, G10_IRB1.label)
-
-G10_IRA.blocks = dict([(irb.label, irb) for irb in [G10_IRB1, G10_IRB2]])
+G10_IRA = IRA.new_ircfg()
+
+G10_IRB1 = gen_irblock(
+    LBL1,
+    [
+        [ExprAff(B, B + CST2),
+         ExprAff(
+             IRDst,
+             ExprCond(
+                 COND,
+                 ExprLoc(LBL1, 32),
+                 ExprLoc(LBL2, 32)
+             )
+         )
+        ]
+    ]
+)
+
+G10_IRB2 = gen_irblock(LBL2, [[ExprAff(A, B), ExprAff(IRDst, END)]])
+
+for irb in [G10_IRB1, G10_IRB2]:
+    G10_IRA.add_irblock(irb)
 
 # graph 11
 
-G11_IRA = IRATest()
-
-G11_IRB0 = gen_irblock(LBL0, [[ExprAff(A, CST1),
-                               ExprAff(B, CST2)]])
-G11_IRB1 = gen_irblock(LBL1, [[ExprAff(A, B),
-                               ExprAff(B, A)]])
-G11_IRB2 = gen_irblock(LBL2, [[ExprAff(A, A - B)]])
-
-G11_IRA.graph.add_uniq_edge(G11_IRB0.label, G11_IRB1.label)
-G11_IRA.graph.add_uniq_edge(G11_IRB1.label, G11_IRB2.label)
-
-G11_IRA.blocks = dict([(irb.label, irb)
-                       for irb in [G11_IRB0, G11_IRB1, G11_IRB2]])
+G11_IRA = IRA.new_ircfg()
+
+G11_IRB0 = gen_irblock(
+    LBL0,
+    [
+        [ExprAff(A, CST1),
+         ExprAff(B, CST2),
+         ExprAff(IRDst, ExprLoc(LBL1, 32))
+        ]
+    ]
+)
+
+G11_IRB1 = gen_irblock(
+    LBL1,
+    [
+        [ExprAff(A, B),
+         ExprAff(B, A),
+         ExprAff(IRDst, ExprLoc(LBL2, 32))
+        ]
+    ]
+)
+
+G11_IRB2 = gen_irblock(LBL2, [[ExprAff(A, A - B), ExprAff(IRDst, END)]])
+
+for irb in [G11_IRB0, G11_IRB1, G11_IRB2]:
+    G11_IRA.add_irblock(irb)
 
 # graph 12
 
-G12_IRA = IRATest()
+G12_IRA = IRA.new_ircfg()
 
-G12_IRB0 = gen_irblock(LBL0, [[ExprAff(B, CST1)]])
-G12_IRB1 = gen_irblock(LBL1, [[ExprAff(A, B)], [ExprAff(B, B + CST2)]])
-G12_IRB2 = gen_irblock(LBL2, [[ExprAff(B, A)]])
+G12_IRB0 = gen_irblock(LBL0, [[ExprAff(B, CST1), ExprAff(IRDst, ExprLoc(LBL1, 32))]])
+G12_IRB1 = gen_irblock(
+    LBL1,
+    [
+        [ExprAff(A, B)],
+        [ExprAff(B, B + CST2),
+         ExprAff(
+             IRDst,
+             ExprCond(
+                 COND,
+                 ExprLoc(LBL1, 32),
+                 ExprLoc(LBL2, 32)
+             )
+         )
+        ]
+    ]
+)
 
-G12_IRA.graph.add_uniq_edge(G12_IRB0.label, G12_IRB1.label)
-G12_IRA.graph.add_uniq_edge(G12_IRB1.label, G12_IRB2.label)
-G12_IRA.graph.add_uniq_edge(G12_IRB1.label, G12_IRB1.label)
+G12_IRB2 = gen_irblock(LBL2, [[ExprAff(B, A), ExprAff(IRDst, END)]])
 
-G12_IRA.blocks = dict([(irb.label, irb) for irb in [G12_IRB0, G12_IRB1,
-                                                    G12_IRB2]])
+for irb in [G12_IRB0, G12_IRB1, G12_IRB2]:
+    G12_IRA.add_irblock(irb)
 
 
 # graph 13
 
-G13_IRA = IRATest()
+G13_IRA = IRA.new_ircfg()
 
 G13_IRB0 = gen_irblock(LBL0, [[ExprAff(A, CST1)],
                               #[ExprAff(B, A)],
-                              [ExprAff(G13_IRA.IRDst,
-                                       ExprId(LBL1, 32))]])
+                              [ExprAff(IRDst,
+                                       ExprLoc(LBL1, 32))]])
 G13_IRB1 = gen_irblock(LBL1, [[ExprAff(C, A)],
                               #[ExprAff(A, A + CST1)],
-                              [ExprAff(G13_IRA.IRDst,
-                                       ExprCond(R, ExprId(LBL2, 32),
-                                                ExprId(LBL1, 32)))]])
+                              [ExprAff(IRDst,
+                                       ExprCond(
+                                           R,
+                                           ExprLoc(LBL2, 32),
+                                           ExprLoc(LBL3, 32)
+                                       )
+                              )]])
 
 G13_IRB2 = gen_irblock(LBL2, [[ExprAff(B, A + CST3)], [ExprAff(A, B + CST3)],
-                              [ExprAff(G13_IRA.IRDst,
-                                       ExprId(LBL1, 32))]])
-
-G13_IRB3 = gen_irblock(LBL3, [[ExprAff(R, C)]])
+                              [ExprAff(IRDst,
+                                       ExprLoc(LBL1, 32))]])
 
-G13_IRA.graph.add_uniq_edge(G13_IRB0.label, G13_IRB1.label)
-G13_IRA.graph.add_uniq_edge(G13_IRB1.label, G13_IRB2.label)
-G13_IRA.graph.add_uniq_edge(G13_IRB2.label, G13_IRB1.label)
-G13_IRA.graph.add_uniq_edge(G13_IRB1.label, G13_IRB3.label)
+G13_IRB3 = gen_irblock(LBL3, [[ExprAff(R, C), ExprAff(IRDst, END)]])
 
-G13_IRA.blocks = dict([(irb.label, irb) for irb in [G13_IRB0, G13_IRB1,
-                                                    G13_IRB2, G13_IRB3]])
+for irb in [G13_IRB0, G13_IRB1, G13_IRB2, G13_IRB3]:
+    G13_IRA.add_irblock(irb)
 
 # graph 14
 
-G14_IRA = IRATest()
+G14_IRA = IRA.new_ircfg()
 
 G14_IRB0 = gen_irblock(LBL0, [[ExprAff(A, CST1)],
-                              [ExprAff(G14_IRA.IRDst,
-                                       ExprId(LBL1, 32))]
+                              [ExprAff(IRDst,
+                                       ExprLoc(LBL1, 32))]
                              ])
 G14_IRB1 = gen_irblock(LBL1, [[ExprAff(B, A)],
-                              [ExprAff(G14_IRA.IRDst,
-                                       ExprCond(C, ExprId(LBL2, 32),
-                                                ExprId(LBL3, 32)))]
+                              [ExprAff(IRDst,
+                                       ExprCond(
+                                           C,
+                                           ExprLoc(LBL2, 32),
+                                           ExprLoc(LBL3, 32)
+                                       )
+                              )
+                              ]
                              ])
 
 G14_IRB2 = gen_irblock(LBL2, [[ExprAff(D, A)],
                               [ExprAff(A, D + CST1)],
-                              [ExprAff(G14_IRA.IRDst,
-                                       ExprId(LBL1, 32))]
+                              [ExprAff(IRDst,
+                                       ExprLoc(LBL1, 32))]
                              ])
 
-G14_IRB3 = gen_irblock(LBL3, [[ExprAff(R, D + B)]])
-
-G14_IRA.graph.add_uniq_edge(G14_IRB0.label, G14_IRB1.label)
-G14_IRA.graph.add_uniq_edge(G14_IRB1.label, G14_IRB2.label)
-G14_IRA.graph.add_uniq_edge(G14_IRB2.label, G14_IRB1.label)
-G14_IRA.graph.add_uniq_edge(G14_IRB1.label, G14_IRB3.label)
+G14_IRB3 = gen_irblock(LBL3, [[ExprAff(R, D + B), ExprAff(IRDst, END)]])
 
-G14_IRA.blocks = dict([(irb.label, irb) for irb in [G14_IRB0, G14_IRB1,
-                                                    G14_IRB2, G14_IRB3]])
+for irb in [G14_IRB0, G14_IRB1, G14_IRB2, G14_IRB3]:
+    G14_IRA.add_irblock(irb)
 
 # graph 16
 
-G15_IRA = IRATest()
+G15_IRA = IRA.new_ircfg()
 
-G15_IRB0 = gen_irblock(LBL0, [[ExprAff(A, CST1)]])
+G15_IRB0 = gen_irblock(LBL0, [[ExprAff(A, CST1), ExprAff(IRDst, ExprLoc(LBL1, 32))]])
 G15_IRB1 = gen_irblock(LBL1, [[ExprAff(D, A + B)],
                               [ExprAff(C, D)],
-                              [ExprAff(B, C)]])
-G15_IRB2 = gen_irblock(LBL2, [[ExprAff(R, B)]])
-
-G15_IRA.graph.add_uniq_edge(G15_IRB0.label, G15_IRB1.label)
-G15_IRA.graph.add_uniq_edge(G15_IRB1.label, G15_IRB2.label)
-G15_IRA.graph.add_uniq_edge(G15_IRB1.label, G15_IRB1.label)
-
-G15_IRA.blocks = dict([(irb.label, irb) for irb in [G15_IRB0, G15_IRB1,
-                                                    G15_IRB2]])
+                              [ExprAff(B, C),
+                               ExprAff(IRDst,
+                                       ExprCond(
+                                           C,
+                                           ExprLoc(LBL1, 32),
+                                           ExprLoc(LBL2, 32)
+                                       )
+                               )]])
+G15_IRB2 = gen_irblock(LBL2, [[ExprAff(R, B), ExprAff(IRDst, END)]])
+
+for irb in [G15_IRB0, G15_IRB1, G15_IRB2]:
+    G15_IRA.add_irblock(irb)
 
 # graph 16
 
-G16_IRA = IRATest()
-
-G16_IRB0 = gen_irblock(LBL0, [[ExprAff(A, CST1)]])
-G16_IRB1 = gen_irblock(LBL1, [[ExprAff(R, D)]])
-G16_IRB2 = gen_irblock(LBL2, [[ExprAff(D, A)]])
-G16_IRB3 = gen_irblock(LBL3, [[ExprAff(R, D)]])
-G16_IRB4 = gen_irblock(LBL4, [[ExprAff(R, A)]])
-G16_IRB5 = gen_irblock(LBL5, [[ExprAff(R, A)]])
-
-G16_IRA.graph.add_uniq_edge(G16_IRB0.label, G16_IRB1.label)
-G16_IRA.graph.add_uniq_edge(G16_IRB1.label, G16_IRB2.label)
-G16_IRA.graph.add_uniq_edge(G16_IRB2.label, G16_IRB1.label)
-G16_IRA.graph.add_uniq_edge(G16_IRB1.label, G16_IRB3.label)
-G16_IRA.graph.add_uniq_edge(G16_IRB3.label, G16_IRB1.label)
-G16_IRA.graph.add_uniq_edge(G16_IRB1.label, G16_IRB4.label)
-G16_IRA.graph.add_uniq_edge(G16_IRB4.label, G16_IRB1.label)
-G16_IRA.graph.add_uniq_edge(G16_IRB1.label, G16_IRB5.label)
-
-G16_IRA.blocks = dict([(irb.label, irb) for irb in [G16_IRB0, G16_IRB1,
-                                                    G16_IRB2, G16_IRB3,
-                                                    G16_IRB4, G16_IRB5]])
+G16_IRA = IRA.new_ircfg()
+
+G16_IRB0 = gen_irblock(
+    LBL0, [
+        [ExprAff(A, CST1), ExprAff(IRDst, ExprLoc(LBL1, 32))]
+    ]
+)
+
+G16_IRB1 = gen_irblock(
+    LBL1,
+    [
+        [ExprAff(R, D),
+         ExprAff(
+             IRDst,
+             ExprCond(
+                 C,
+                 ExprCond(
+                     C,
+                     ExprCond(
+                         C,
+                         ExprLoc(LBL2, 32),
+                         ExprLoc(LBL3, 32)
+                     ),
+                     ExprLoc(LBL4, 32)
+                 ),
+                 ExprLoc(LBL5, 32)
+             )
+         )
+        ]
+    ]
+)
+
+
+
+G16_IRB2 = gen_irblock(LBL2, [[ExprAff(D, A), ExprAff(IRDst, ExprLoc(LBL1, 32))]])
+G16_IRB3 = gen_irblock(LBL3, [[ExprAff(R, D), ExprAff(IRDst, ExprLoc(LBL1, 32))]])
+G16_IRB4 = gen_irblock(LBL4, [[ExprAff(R, A), ExprAff(IRDst, ExprLoc(LBL1, 32))]])
+G16_IRB5 = gen_irblock(LBL5, [[ExprAff(R, A), ExprAff(IRDst, ExprLoc(LBL1, 32))]])
+
+for irb in [G16_IRB0, G16_IRB1, G16_IRB2, G16_IRB3, G16_IRB4, G16_IRB5]:
+    G16_IRA.add_irblock(irb)
 
 # graph 17
 
-G17_IRA = IRATest()
+G17_IRA = IRA.new_ircfg()
 
 G17_IRB0 = gen_irblock(LBL0, [[ExprAff(A, CST1),
-                               ExprAff(D, CST2)]])
+                               ExprAff(D, CST2),
+                               ExprAff(IRDst, ExprLoc(LBL1, 32))]])
 G17_IRB1 = gen_irblock(LBL1, [[ExprAff(A, D),
-                               ExprAff(B, D)]])
-G17_IRB2 = gen_irblock(LBL2, [[ExprAff(A, A - B)]])
+                               ExprAff(B, D),
+                               ExprAff(IRDst, ExprLoc(LBL2, 32))]])
+G17_IRB2 = gen_irblock(LBL2, [[ExprAff(A, A - B),
+                               ExprAff(IRDst, END)]])
 
-G17_IRA.graph.add_uniq_edge(G17_IRB0.label, G17_IRB1.label)
-G17_IRA.graph.add_uniq_edge(G17_IRB1.label, G17_IRB2.label)
+G17_IRA.add_uniq_edge(G17_IRB0.loc_key, G17_IRB1.loc_key)
+G17_IRA.add_uniq_edge(G17_IRB1.loc_key, G17_IRB2.loc_key)
 
-G17_IRA.blocks = dict([(irb.label, irb) for irb in [G17_IRB0, G17_IRB1,
-                                                    G17_IRB2]])
+for irb in [G17_IRB0, G17_IRB1, G17_IRB2]:
+    G17_IRA.add_irblock(irb)
 
 # Test graph 1
 G1_TEST1_DN1 = DependencyNode(
-    G1_IRB2.label, A, len(G1_IRB2))
+    G1_IRB2.loc_key, A, len(G1_IRB2))
 
-G1_INPUT = (set([G1_TEST1_DN1]), set([G1_IRB0.label]))
+G1_INPUT = (set([G1_TEST1_DN1]), set([G1_IRB0.loc_key]))
 
 # Test graph 2
 
 G2_TEST1_DN1 = DependencyNode(
-    G2_IRB2.label, A, len(G2_IRB2))
+    G2_IRB2.loc_key, A, len(G2_IRB2))
 
-G2_INPUT = (set([G2_TEST1_DN1]), set([G2_IRB0.label]))
+G2_INPUT = (set([G2_TEST1_DN1]), set([G2_IRB0.loc_key]))
 
 # Test graph 3
 
 G3_TEST1_0_DN1 = DependencyNode(
-    G3_IRB3.label, A, len(G3_IRB3))
+    G3_IRB3.loc_key, A, len(G3_IRB3))
 
-G3_INPUT = (set([G3_TEST1_0_DN1]), set([G3_IRB0.label]))
+G3_INPUT = (set([G3_TEST1_0_DN1]), set([G3_IRB0.loc_key]))
 
 # Test graph 4
 
 G4_TEST1_DN1 = DependencyNode(
-    G4_IRB2.label, A, len(G2_IRB0))
+    G4_IRB2.loc_key, A, len(G2_IRB0))
 
-G4_INPUT = (set([G4_TEST1_DN1]), set([G4_IRB0.label]))
+G4_INPUT = (set([G4_TEST1_DN1]), set([G4_IRB0.loc_key]))
 
 # Test graph 5
 
 G5_TEST1_0_DN1 = DependencyNode(
-    G5_IRB2.label, A, len(G5_IRB2))
+    G5_IRB2.loc_key, A, len(G5_IRB2))
 
-G5_INPUT = (set([G5_TEST1_0_DN1]), set([G5_IRB0.label]))
+G5_INPUT = (set([G5_TEST1_0_DN1]), set([G5_IRB0.loc_key]))
 
 # Test graph 6
 
 G6_TEST1_0_DN1 = DependencyNode(
-    G6_IRB1.label, A, len(G6_IRB1))
+    G6_IRB1.loc_key, A, len(G6_IRB1))
 
-G6_INPUT = (set([G6_TEST1_0_DN1]), set([G6_IRB0.label]))
+G6_INPUT = (set([G6_TEST1_0_DN1]), set([G6_IRB0.loc_key]))
 
 # Test graph 7
 
 G7_TEST1_0_DN1 = DependencyNode(
-    G7_IRB2.label, D, len(G7_IRB2))
+    G7_IRB2.loc_key, D, len(G7_IRB2))
 
-G7_INPUT = (set([G7_TEST1_0_DN1]), set([G7_IRB0.label]))
+G7_INPUT = (set([G7_TEST1_0_DN1]), set([G7_IRB0.loc_key]))
 
 # Test graph 8
 
 G8_TEST1_0_DN1 = DependencyNode(
-    G8_IRB2.label, A, len(G8_IRB2))
+    G8_IRB2.loc_key, A, len(G8_IRB2))
 
-G8_INPUT = (set([G8_TEST1_0_DN1]), set([G3_IRB0.label]))
+G8_INPUT = (set([G8_TEST1_0_DN1]), set([G3_IRB0.loc_key]))
 
 # Test 9: Multi elements
 
 G9_TEST1_0_DN1 = DependencyNode(
-    G8_IRB2.label, A, len(G8_IRB2))
+    G8_IRB2.loc_key, A, len(G8_IRB2))
 G9_TEST1_0_DN5 = DependencyNode(
-    G8_IRB2.label, C, len(G8_IRB2))
+    G8_IRB2.loc_key, C, len(G8_IRB2))
 
-G9_INPUT = (set([G9_TEST1_0_DN1, G9_TEST1_0_DN5]), set([G8_IRB0.label]))
+G9_INPUT = (set([G9_TEST1_0_DN1, G9_TEST1_0_DN5]), set([G8_IRB0.loc_key]))
 
 # Test 10: loop at beginning
 
 G10_TEST1_0_DN1 = DependencyNode(
-    G10_IRB2.label, A, len(G10_IRB2))
+    G10_IRB2.loc_key, A, len(G10_IRB2))
 
-G10_INPUT = (set([G10_TEST1_0_DN1]), set([G10_IRB1.label]))
+G10_INPUT = (set([G10_TEST1_0_DN1]), set([G10_IRB1.loc_key]))
 
 
 # Test 11: no dual bloc emulation
 
 G11_TEST1_DN1 = DependencyNode(
-    G11_IRB2.label, A, len(G11_IRB2))
+    G11_IRB2.loc_key, A, len(G11_IRB2))
 
-G11_INPUT = (set([G11_TEST1_DN1]), set([G11_IRB0.label]))
+G11_INPUT = (set([G11_TEST1_DN1]), set([G11_IRB0.loc_key]))
 
 # Test graph 12
 
-G12_TEST1_0_DN1 = DependencyNode(G12_IRB2.label, B, 1)
+G12_TEST1_0_DN1 = DependencyNode(G12_IRB2.loc_key, B, 1)
 
 G12_INPUT = (set([G12_TEST1_0_DN1]), set([]))
 
@@ -597,7 +706,7 @@ G12_INPUT = (set([G12_TEST1_0_DN1]), set([]))
 
 # All filters
 
-G13_TEST1_0_DN4 = DependencyNode(G13_IRB3.label, R, 1)
+G13_TEST1_0_DN4 = DependencyNode(G13_IRB3.loc_key, R, 1)
 
 G13_INPUT = (set([G13_TEST1_0_DN4]), set([]))
 
@@ -605,24 +714,24 @@ G13_INPUT = (set([G13_TEST1_0_DN4]), set([]))
 
 # All filters
 
-G14_TEST1_0_DN1 = DependencyNode(G14_IRB3.label, R, 1)
+G14_TEST1_0_DN1 = DependencyNode(G14_IRB3.loc_key, R, 1)
 
 G14_INPUT = (set([G14_TEST1_0_DN1]), set([]))
 
 # Test graph 15
 
-G15_TEST1_0_DN1 = DependencyNode(G15_IRB2.label, R, 1)
+G15_TEST1_0_DN1 = DependencyNode(G15_IRB2.loc_key, R, 1)
 
 G15_INPUT = (set([G15_TEST1_0_DN1]), set([]))
 
 # Test graph 16
-G16_TEST1_0_DN1 = DependencyNode(G16_IRB5.label, R, 1)
+G16_TEST1_0_DN1 = DependencyNode(G16_IRB5.loc_key, R, 1)
 
 G16_INPUT = (set([G16_TEST1_0_DN1]), set([]))
 
 # Test graph 17
 
-G17_TEST1_DN1 = DependencyNode(G17_IRB2.label, A, 1)
+G17_TEST1_DN1 = DependencyNode(G17_IRB2.loc_key, A, 1)
 
 G17_INPUT = (set([G17_TEST1_DN1]), set([]))
 
@@ -638,7 +747,8 @@ def flatNode(node):
             element = int(node.element.arg)
         else:
             RuntimeError("Unsupported type '%s'" % type(enode.element))
-        return (node.label.name,
+        name = loc_db.pretty_str(node.loc_key)
+        return (name,
                 element,
                 node.line_nb)
     else:
@@ -736,7 +846,8 @@ def match_results(resultsA, resultsB, nodes):
 def get_flat_init_depnodes(depnodes):
     out = []
     for node in depnodes:
-        out.append((node.label.name,
+        name = loc_db.pretty_str(node.loc_key)
+        out.append((name,
                     node.element.name,
                     node.line_nb,
                     0))
@@ -1017,21 +1128,23 @@ for test_nb, test in enumerate([(G1_IRA, G1_INPUT),
 
     # Extract test elements
     print "[+] Test", test_nb + 1
-    g_ira, (depnodes, heads) = test
+    ircfg, (depnodes, heads) = test
 
-    open("graph_%02d.dot" % (test_nb + 1), "w").write(g_ira.graph.dot())
-    open("graph_%02d.dot" % (test_nb + 1), "w").write(bloc2graph(g_ira))
+    open("graph_%02d.dot" % (test_nb + 1), "w").write(ircfg.dot())
+    open("graph_%02d.dot" % (test_nb + 1), "w").write(bloc2graph(ircfg))
 
     # Different options
     suffix_key_list = ["", "_nosimp", "_nomem", "_nocall",
                        "_implicit"]
     # Test classes
-    for g_ind, g_dep in enumerate([DependencyGraph(g_ira),
-                                   DependencyGraph(g_ira, apply_simp=False),
-                                   DependencyGraph(g_ira, follow_mem=False),
-                                   DependencyGraph(g_ira, follow_mem=False,
-                                                   follow_call=False),
-                                   # DependencyGraph(g_ira, implicit=True),
+    for g_ind, g_dep in enumerate([DependencyGraph(ircfg),
+                                   DependencyGraph(ircfg, apply_simp=False),
+                                   DependencyGraph(ircfg, follow_mem=False),
+                                   DependencyGraph(
+                                       ircfg, follow_mem=False,
+                                       follow_call=False
+                                   ),
+                                   # DependencyGraph(ircfg, implicit=True),
                                    ]):
         # if g_ind == 4:
         # TODO: Implicit specifications
@@ -1052,14 +1165,13 @@ for test_nb, test in enumerate([(G1_IRA, G1_INPUT),
             all_results.add(unflatGraph(flatGraph(result.graph)))
             open("graph_test_%02d_%02d.dot" % (test_nb + 1, i),
                  "w").write(dg2graph(result.graph))
-        # print all_flat
+
         if g_ind == 0:
             all_flat = sorted(all_flat)
             all_flats.append(all_flat)
         flat_depnodes = get_flat_init_depnodes(depnodes)
         if not match_results(all_results, test_results[test_nb], flat_depnodes):
             FAILED.add(test_nb)
-            # fds
         continue
 
 if FAILED: