Handle Z3 ITE expressions

[frabert]

This PR fixes issue #335

[github-actions]

See the diff generated by this PR for the tests here: https://github.com/lifting-bits/rellic/actions/runs/8880667186

fizzbuzz.bc

typedefs_of_typedefs.bc

switch_loop.bc

func_cond_zero_arg.bc

fcmp.bc

conflicting_names.bc

struct.bc

issue_183_literal_structs.bc

zeroinit.bc

issue_127_uint128_t_lit.bc

struct_swap.bc

global_using_function_decl.bc

init_list.bc

ret0.bc

goto_loop.bc

trunc.bc

bitops.bc

cast.bc

nullptr.bc

nested_struct.bc

array_swap.bc

binops.bc

bitmask.bc

loop.bc

float.bc

reg_test_structure_fields.bc

vectors.bc

funcptr.bc

inttoptr.bc

short.bc

issue_4.bc

conflicting_global.bc

issue_123_uint128_t.bc

fizzbuzz_stateful.bc

issue_94_strncmp.bc

bool.bc

zext.bc

byval_struct.bc

nested_while.bc

func_cond_two_arg.bc

assert.bc

switch.bc

branch.bc

template_parameter_pack.bc

byval_tail_nogep.ll

byval_tail_gep.ll

issue_335_z3_ite.ll

[github-actions]

See the diff generated by this PR for the tests here: https://github.com/lifting-bits/rellic/actions/runs/8880782442

fizzbuzz.bc

typedefs_of_typedefs.bc

switch_loop.bc

func_cond_zero_arg.bc

fcmp.bc

conflicting_names.bc

struct.bc

issue_183_literal_structs.bc

zeroinit.bc

issue_127_uint128_t_lit.bc

struct_swap.bc

global_using_function_decl.bc

init_list.bc

ret0.bc

goto_loop.bc

trunc.bc

bitops.bc

cast.bc

nullptr.bc

nested_struct.bc

array_swap.bc

binops.bc

bitmask.bc

loop.bc

float.bc

reg_test_structure_fields.bc

vectors.bc

funcptr.bc

inttoptr.bc

short.bc

issue_4.bc

conflicting_global.bc

issue_123_uint128_t.bc

fizzbuzz_stateful.bc

issue_94_strncmp.bc

bool.bc

zext.bc

byval_struct.bc

nested_while.bc

--- /dev/fd/63	2024-04-29 15:04:39.443335087 +0000
+++ /dev/fd/62	2024-04-29 15:04:39.443335087 +0000
@@ -25,7 +25,7 @@
                 printf("loop2 x: %d\n", var1);
             }
     }
-    if ((int)var1 >= 20 && ((int)var1 >= 20 || (int)var1 <= 10)) {
+    if (((int)var1 >= 20 || (int)var1 <= 10) && (int)var1 >= 20) {
         return var0;
     }
 }

func_cond_two_arg.bc

assert.bc

switch.bc

branch.bc

template_parameter_pack.bc

byval_tail_nogep.ll

byval_tail_gep.ll

issue_335_z3_ite.ll

--- /dev/fd/63	2024-04-29 15:04:40.355333333 +0000
+++ /dev/fd/62	2024-04-29 15:04:40.359333326 +0000
@@ -0,0 +1,33 @@
+unsigned int ifWhile(void);
+int main(void);
+unsigned int ifWhile(void) {
+    unsigned int var0;
+    unsigned int var1;
+    var0 = 0U;
+    var1 = 3U;
+    if (var0 != 5U) {
+        while ((int)var0 < 5)
+            {
+                var1 = var1 * 2U;
+                var0 = var0 + 1U;
+            }
+    } else {
+        while (var1 == 2U)
+            {
+                var1 = var1 + 2U;
+            }
+    }
+    if (var0 == 5U && var1 != 2U) {
+        var1 = var1 + 25U;
+    }
+    if (!(var0 == 5U ? var1 == 2U : (int)var0 < 5)) {
+        return var1;
+    }
+}
+int main(void) {
+    unsigned int var0;
+    unsigned int call1;
+    var0 = 0U;
+    call1 = ifWhile();
+    return call1;
+}