public void Pdg_LoopWithIfElse()
{
var m = new ProcedureBuilder();
var c = m.Declare(PrimitiveType.Word32, "c");
var f = m.Declare(PrimitiveType.Bool, "f");
m.Label("loopHead");
m.BranchIf(m.Eq(c, 0), "done");
m.BranchIf(f, "then");
m.Label("else");
m.SideEffect(m.Fn("CallElse"));
m.Jump("loopHead");
m.Label("then");
m.SideEffect(m.Fn("CallThen"));
m.Jump("loopHead");
m.Label("done");
m.Return();
FindPostDominators(m);
string sExp =
"done (6): idom ProcedureBuilder_exit (7)" + nl +
"else (4): idom loopHead (2)" + nl +
"l1 (3): idom loopHead (2)" + nl +
"loopHead (2): idom done (6)" + nl +
"ProcedureBuilder_entry (1): idom loopHead (2)" + nl +
"ProcedureBuilder_exit (7): idom " + nl +
"then (5): idom loopHead (2)" + nl;
Assert.AreEqual(sExp, sw.ToString());
}
public void DeclarationWithExpression()
{
emitter.EmitStatement(m.Declare(m.Local32("dwLoc14"), m.Word32(1)));
Assert.AreEqual(1, stms.Count);
AbsynDeclaration decl = (AbsynDeclaration)stms[0];
Assert.IsNotNull(decl.Expression);
}
public void ProcStr_NestedWhile()
{
var r1 = m.Reg32("r1");
var r2 = m.Reg32("r2");
m.Label("head1");
m.BranchIf(m.Ge(r1, 4), "done1");
m.Label("body1");
m.Declare(r2, m.Word32(0));
m.Label("head2");
m.BranchIf(m.Ge(r2, 4), "done2");
m.Label("body2");
m.Store(m.IAdd(
m.Word32(0x1232100),
m.IAdd(
m.IMul(r1, 4),
r2)),
m.Byte(0));
m.Assign(r2, m.IAdd(r2, 1));
m.Goto("head2");
m.Label("done2");
m.Assign(r1, m.IAdd(r1, 1));
m.Goto("head1");
m.Label("done1");
m.Return();
var sExp =
#region Expected
@" while (r1 < 0x04)
{
word32 r2 = 0x00;
while (r2 < 0x04)
{
Mem0[0x01232100 + (r1 * 0x04 + r2):byte] = 0x00;
r2 = r2 + 0x01;
}
r1 = r1 + 0x01;
}
return;
";
#endregion
RunTest(sExp, m.Procedure);
}