[FIX] fixing tests

tests/IR/assign/fp0.yl

@@ -1,19 +1,13 @@
 # RUN: 
 cargo run -p ylc -- -in=%s -o=out.o
-gcc out.o %c -o a.exe
+gcc out.o -o a.exe
 ./a.exe
 # IN:
-define f32 @test() {
+define i32 @main() {
  entry:
-    %return_value = f32 5.0
-    ret f32 5
-}
-
-# IN2:
-extern float test();
-
-int main() {
-    return (int)test();
+    %val = f32 5.0
+    %ret = cast f32 %val to i32
+    ret i32 %ret
 }
 
 # EXIT_CODE=5

tests/Optimizations/const_eval/cast0.yl

@@ -5,7 +5,7 @@ cargo run -p ylc -- -in=%s -O -fmt -passes=cp
 define i32 @main() {
   entry:
     %0 = i32 5
-    %1 = cast %0 to i32
+    %1 = cast i32 %0 to i32
     ret i32 %1
 }