| // RUN: %target-sil-opt -module-name Swift -enable-sil-verify-all %s -diagnostics | %FileCheck %s |
| |
| sil_stage raw |
| |
| import Builtin |
| |
| enum Never {} |
| class TheClass {} |
| |
| // Ensure that when we remove the code after the apply of noreturn |
| // function nada, we don't fail verification on a dealloc_stack with |
| // an undef operand, but that we do later remove it in the diagnostics |
| // passes. |
| |
| // CHECK-LABEL: sil @unreachable_deallocstack |
| sil @unreachable_deallocstack: $@convention(method) (@guaranteed TheClass) -> () { |
| bb0(%0 : $TheClass): |
| %1 = function_ref @nada : $@convention(c) (Builtin.Int32) -> Never |
| %2 = integer_literal $Builtin.Int32, 0 |
| // CHECK: apply{{.*}} |
| %3 = apply %1(%2) : $@convention(c) (Builtin.Int32) -> Never |
| // CHECK-NEXT: unreachable |
| // CHECK-NOT: dealloc_stack |
| %4 = alloc_stack $TheClass |
| store %0 to %4 : $*TheClass |
| br bb1 |
| |
| bb1: |
| dealloc_stack %4 : $*TheClass |
| %5 = tuple () |
| return %5 : $() |
| } |
| |
| // CHECK-LABEL: sil @nada |
| sil @nada : $@convention(c) (Builtin.Int32) -> Never |
