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// EMIT_MIR_FOR_EACH_PANIC_STRATEGY
//@ unit-test: GVN
//@ compile-flags: -O
// EMIT_MIR aggregate.main.GVN.diff
fn main() {
// CHECK-LABEL: fn main(
// CHECK: debug x => [[x:_.*]];
// CHECK-NOT: = Add(
// CHECK: [[x]] = const 1_u8;
// CHECK-NOT: = Add(
// CHECK: foo(const 1_u8)
let x = (0, 1, 2).1 + 0;
foo(x);
}
// Verify that we still propagate if part of the aggregate is not known.
// EMIT_MIR aggregate.foo.GVN.diff
fn foo(x: u8) {
// CHECK-LABEL: fn foo(
// CHECK: debug first => [[first:_.*]];
// CHECK: debug second => [[second:_.*]];
// CHECK-NOT: = Add(
// CHECK: [[first]] = const 1_i32;
// CHECK-NOT: = Add(
// CHECK: [[second]] = const 3_i32;
let first = (0, x).0 + 1;
let second = (x, 1).1 + 2;
}
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