Files
swift-mirror/test/SILGen/borrow.swift
Erik Eckstein 7cceaff5f3 SIL: don't print operand types in textual SIL
Type annotations for instruction operands are omitted, e.g.

```
  %3 = struct $S(%1, %2)
```

Operand types are redundant anyway and were only used for sanity checking in the SIL parser.

But: operand types _are_ printed if the definition of the operand value was not printed yet.
This happens:

* if the block with the definition appears after the block where the operand's instruction is located

* if a block or instruction is printed in isolation, e.g. in a debugger

The old behavior can be restored with `-Xllvm -sil-print-types`.
This option is added to many existing test files which check for operand types in their check-lines.
2024-11-21 18:49:52 +01:00

40 lines
1.5 KiB
Swift

// RUN: %target-swift-emit-silgen -Xllvm -sil-print-types -module-name borrow -parse-stdlib %s | %FileCheck %s
import Swift
final class D {}
// Make sure that we insert the borrow for a ref_element_addr lvalue in the
// proper place.
final class C {
init() {}
init?(failably: ()) {}
var d: D = D()
}
func useD(_ d: D) {}
// CHECK-LABEL: sil hidden [ossa] @$s6borrow44lvalueBorrowShouldBeAtEndOfFormalAccessScope{{.*}} : $@convention(thin) () -> () {
// CHECK: bb0:
// CHECK: [[BOX:%.*]] = alloc_box ${ var C }, var, name "c"
// CHECK: [[BOX_LIFETIME:%[^,]+]] = begin_borrow [lexical] [var_decl] [[BOX]]
// CHECK: [[PB_BOX:%.*]] = project_box [[BOX_LIFETIME]]
// CHECK: [[ACCESS:%.*]] = begin_access [read] [unknown] [[PB_BOX]] : $*C
// CHECK: [[CLASS:%.*]] = load [copy] [[ACCESS]]
// CHECK: [[BORROWED_CLASS:%.*]] = begin_borrow [[CLASS]]
// CHECK: [[OFFSET:%.*]] = ref_element_addr [[BORROWED_CLASS]]
// CHECK: [[ACCESS:%.*]] = begin_access [read] [dynamic] [[OFFSET]] : $*D
// CHECK: [[LOADED_VALUE:%.*]] = load [copy] [[ACCESS]]
// CHECK: end_borrow [[BORROWED_CLASS]]
// CHECK: destroy_value [[CLASS]]
// CHECK: [[FUNC:%.*]] = function_ref @$s6borrow4useD{{.*}} : $@convention(thin) (@guaranteed D) -> ()
// CHECK: apply [[FUNC]]([[LOADED_VALUE]])
// CHECK: end_borrow [[BOX_LIFETIME]]
// CHECK: destroy_value [[BOX]]
// CHECK: } // end sil function '$s6borrow44lvalueBorrowShouldBeAtEndOfFormalAccessScope{{.*}}'
func lvalueBorrowShouldBeAtEndOfFormalAccessScope() {
var c = C()
useD(c.d)
}