Add optimized ir examples

examples/opt/pointer.ir

@@ -0,0 +1,37 @@
+
+fun i32* @foo (i32*) {
+init:
+  bid: b0
+  allocations: 
+
+
+block b0:
+  %b0:p0:i32*:a
+  ret %b0:p0:i32*
+}
+
+fun i32 @main () {
+init:
+  bid: b0
+  allocations: 
+    %l0:i32:a
+
+block b0:
+  %b0:i0:unit = store 1:i32 %l0:i32*
+  %b0:i1:i32* = call @foo:[ret:i32* params:(i32*)]*(%l0:i32*)
+  %b0:i2:i32* = call @foo:[ret:i32* params:(i32*)]*(%l0:i32*)
+  %b0:i3:i32* = call @foo:[ret:i32* params:(i32*)]*(%l0:i32*)
+  %b0:i4:i32* = call @foo:[ret:i32* params:(i32*)]*(%l0:i32*)
+  %b0:i5:i32 = load %b0:i4:i32*
+  %b0:i6:i32 = add %b0:i5:i32 1:i32
+  %b0:i7:unit = store %b0:i6:i32 %b0:i2:i32*
+  %b0:i8:i32* = call @foo:[ret:i32* params:(i32*)]*(%l0:i32*)
+  %b0:i9:i32* = call @foo:[ret:i32* params:(i32*)]*(%l0:i32*)
+  %b0:i10:i32 = load %b0:i9:i32*
+  %b0:i11:i32 = add %b0:i10:i32 1:i32
+  %b0:i12:unit = store %b0:i11:i32 %b0:i8:i32*
+  %b0:i13:i32 = load %l0:i32*
+  %b0:i14:u1 = cmp eq %b0:i13:i32 3:i32
+  %b0:i15:i32 = typecast %b0:i14:u1 to i32
+  ret %b0:i15:i32
+}