Add tests

examples/ir4/while_continue_break.ir

@@ -0,0 +1,47 @@
+
+fun i32 @foo () {
+init:
+  bid: b0
+  allocations: 
+
+
+block b0:
+  j b1(0:i32, 0:i32)
+
+block b1:
+  %b1:p0:i32:sum
+  %b1:p1:i32:i
+  %b1:i0:u1 = cmp lt %b1:p1:i32 10:i32
+  br %b1:i0:u1, b2(), b3(%b1:p0:i32)
+
+block b2:
+  %b2:i0:u1 = cmp eq %b1:p1:i32 3:i32
+  br %b2:i0:u1, b4(), b5()
+
+block b3:
+  %b3:p0:i32:sum
+  ret %b3:p0:i32
+
+block b4:
+  %b4:i0:i32 = add %b1:p1:i32 1:i32
+  j b1(%b1:p0:i32, %b4:i0:i32)
+
+block b5:
+  %b5:i0:i32 = add %b1:p0:i32 %b1:p1:i32
+  %b5:i1:i32 = add %b1:p1:i32 1:i32
+  %b5:i2:u1 = cmp eq %b5:i1:i32 5:i32
+  br %b5:i2:u1, b3(%b5:i0:i32), b1(%b5:i0:i32, %b5:i1:i32)
+}
+
+fun i32 @main () {
+init:
+  bid: b0
+  allocations: 
+
+
+block b0:
+  %b0:i0:i32 = call @foo:*[ret:i32 params:()]()
+  %b0:i1:u1 = cmp eq %b0:i0:i32 7:i32
+  %b0:i2:i32 = typecast %b0:i1:u1 to i32
+  ret %b0:i2:i32
+}