Emit align in LLVM

• Emit alignment for pointer arguments to LLVM functions.
• Use larger alignment (32 bytes) for arrays.

juno_scheduler/src/pm.rs

@@ -795,6 +795,7 @@ impl PassManager {
             .arg(&llvm_path)
             .arg("-c")
             .arg("-O3")
+            .arg("-ffast-math")
             .arg("-march=native")
             .arg("-o")
             .arg(&llvm_object)