Ready for in-game testing

rust_compiler/libs/integration_tests/src/snapshots/integration_tests__tests__leaf_function_no_stack_frame.snap

@@ -1,5 +1,6 @@
 ---
 source: libs/integration_tests/src/lib.rs
+assertion_line: 144
 expression: output
 ---
 ## Unoptimized Output
@@ -20,6 +21,10 @@ j ra
 
 j main
 pop r8
+push sp
+push ra
 add r1 r8 1
 move r8 r1
+pop ra
+pop sp
 j ra

rust_compiler/libs/integration_tests/src/snapshots/integration_tests__tests__peephole_comparison_fusion.snap

@@ -1,5 +1,6 @@
 ---
 source: libs/integration_tests/src/lib.rs
+assertion_line: 116
 expression: output
 ---
 ## Unoptimized Output
@@ -24,6 +25,10 @@ j ra
 j main
 pop r8
 pop r9
-ble r9 r8 5
+push sp
+push ra
+ble r9 r8 7
 move r10 1
+pop ra
+pop sp
 j ra

rust_compiler/libs/integration_tests/src/snapshots/integration_tests__tests__simple_leaf_function.snap

@@ -1,5 +1,6 @@
 ---
 source: libs/integration_tests/src/lib.rs
+assertion_line: 60
 expression: output
 ---
 ## Unoptimized Output
@@ -17,5 +18,9 @@ j ra
 ## Optimized Output
 
 j main
+push sp
+push ra
 move r8 10
+pop ra
+pop sp
 j ra