Add optimized ir examples

examples/opt/cmp.ir

@@ -0,0 +1,67 @@
+
+fun i32 @char_greater_than (i8, u8) {
+init:
+  bid: b0
+  allocations: 
+
+
+block b0:
+  %b0:p0:i8:i
+  %b0:p1:u8:j
+  %b0:i0:i32 = typecast %b0:p0:i8 to i32
+  %b0:i1:i32 = typecast %b0:p1:u8 to i32
+  %b0:i2:u1 = cmp gt %b0:i0:i32 %b0:i1:i32
+  br %b0:i2:u1, b1(), b2()
+
+block b1:
+  ret 1:i32
+
+block b2:
+  ret 0:i32
+}
+
+fun i32 @int_greater_than (i32, u32) {
+init:
+  bid: b0
+  allocations: 
+
+
+block b0:
+  %b0:p0:i32:i
+  %b0:p1:u32:j
+  %b0:i0:u32 = typecast %b0:p0:i32 to u32
+  %b0:i1:u1 = cmp gt %b0:i0:u32 %b0:p1:u32
+  br %b0:i1:u1, b1(), b2()
+
+block b1:
+  ret 1:i32
+
+block b2:
+  ret 0:i32
+}
+
+fun i32 @main () {
+init:
+  bid: b0
+  allocations: 
+
+
+block b0:
+  %b0:i0:i32 = minus 1:i32
+  %b0:i1:u32 = typecast 1:i32 to u32
+  %b0:i2:i32 = call @int_greater_than:[ret:i32 params:(i32, u32)]*(%b0:i0:i32, %b0:i1:u32)
+  %b0:i3:i8 = typecast %b0:i0:i32 to i8
+  %b0:i4:u8 = typecast 1:i32 to u8
+  %b0:i5:i32 = call @char_greater_than:[ret:i32 params:(i8, u8)]*(%b0:i3:i8, %b0:i4:u8)
+  %b0:i6:u1 = cmp eq %b0:i2:i32 1:i32
+  br %b0:i6:u1, b1(), b3(0:u1)
+
+block b1:
+  %b1:i0:u1 = cmp eq %b0:i5:i32 0:i32
+  j b3(%b1:i0:u1)
+
+block b3:
+  %b3:p0:u1:t0
+  %b3:i0:i32 = typecast %b3:p0:u1 to i32
+  ret %b3:i0:i32
+}