tests/mir-opt/const_prop/aggregate.rs

   1 // EMIT_MIR_FOR_EACH_PANIC_STRATEGY
   2 // unit-test: ConstProp
   3 // compile-flags: -O
   4
   5 // EMIT_MIR aggregate.main.ConstProp.diff
   6 // EMIT_MIR aggregate.main.PreCodegen.after.mir
   7 fn main() {
   8     let x = (0, 1, 2).1 + 0;
   9     foo(x);
  10 }
  11
  12 // EMIT_MIR aggregate.foo.ConstProp.diff
  13 // EMIT_MIR aggregate.foo.PreCodegen.after.mir
  14 fn foo(x: u8) {
  15     // Verify that we still propagate if part of the aggregate is not known.
  16     let first = (0, x).0 + 1;
  17     let second = (x, 1).1 + 2;
  18 }