Add tests

examples/ir1/for_continue_break.ir

@@ -0,0 +1,56 @@
+
+fun i32 @foo () {
+init:
+  bid: b0
+  allocations: 
+    %l0:i32:sum
+    %l1:i32:i
+
+block b0:
+  %b0:i0:unit = store 0:i32 %l0:*i32
+  %b0:i1:unit = store 0:i32 %l1:*i32
+  j b2()
+
+block b2:
+  %b2:i0:i32 = load %l1:*i32
+  %b2:i1:u1 = cmp eq %b2:i0:i32 5:i32
+  br %b2:i1:u1, b6(), b7()
+
+block b6:
+  %b6:i0:i32 = load %l0:*i32
+  ret %b6:i0:i32
+
+block b7:
+  %b7:i0:i32 = load %l1:*i32
+  %b7:i1:u1 = cmp eq %b7:i0:i32 3:i32
+  br %b7:i1:u1, b10(), b11()
+
+block b10:
+  %b10:i0:i32 = load %l1:*i32
+  %b10:i1:i32 = add %b10:i0:i32 1:i32
+  %b10:i2:unit = store %b10:i1:i32 %l1:*i32
+  j b2()
+
+block b11:
+  %b11:i0:i32 = load %l0:*i32
+  %b11:i1:i32 = load %l1:*i32
+  %b11:i2:i32 = add %b11:i0:i32 %b11:i1:i32
+  %b11:i3:unit = store %b11:i2:i32 %l0:*i32
+  %b11:i4:i32 = load %l1:*i32
+  %b11:i5:i32 = add %b11:i4:i32 1:i32
+  %b11:i6:unit = store %b11:i5:i32 %l1:*i32
+  j b2()
+}
+
+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
+}