| // RUN: %target-sil-opt -assume-parsing-unqualified-ownership-sil -enable-sil-verify-all %s -simplify-bb-args -sroa-bb-args | %FileCheck %s |
| sil_stage canonical |
| |
| import Builtin |
| import Swift |
| import SwiftShims |
| |
| enum E { |
| case A |
| case B |
| } |
| |
| // Check that we don't crash in simplifyToSelectValue (rdar://problem/20037686) |
| |
| // CHECK-LABEL: @test |
| sil public @test : $@convention(thin) (Builtin.Int64, @inout E) -> () { |
| |
| bb0(%0 : $Builtin.Int64, %x : $*E): |
| %1 = integer_literal $Builtin.Int64, 0 |
| %2 = builtin "cmp_eq_Int64"(%0 : $Builtin.Int64, %1 : $Builtin.Int64) : $Builtin.Int1 // user: %473 |
| cond_br %2, bb3, bb1 |
| |
| bb1: |
| %4 = enum $E, #E.A!enumelt |
| br bb2(%4 : $E) |
| |
| bb2(%6 : $E): |
| store %6 to %x : $*E |
| br bb3 |
| |
| bb3: // Preds: bb0 bb409 |
| %8 = tuple () // user: %4307 |
| return %8 : $() // id: %4307 |
| } |
| |
| // Verify that we do not crash in argument splitting (rdar://problem/25008398). |
| |
| class C { |
| @sil_stored let x: Builtin.Int32 |
| init() |
| } |
| |
| struct Pair { |
| @sil_stored let first: C |
| @sil_stored let second: C |
| } |
| |
| // CHECK-LABEL: @simplify_args_crash |
| sil @simplify_args_crash : $@convention(thin) (Pair) -> () { |
| bb0(%1 : $Pair): |
| // CHECK: [[SECOND:%.*]] = struct_extract %0 : $Pair, #Pair.second |
| // CHECK: [[FIRST:%.*]] = struct_extract %0 : $Pair, #Pair.first |
| // CHECK: br bb1([[FIRST]] : $C, [[SECOND]] : $C) |
| br bb1(%1 : $Pair) |
| |
| // CHECK: bb1([[FIRST2:%.*]] : $C, [[SECOND2:%.*]] : $C): |
| bb1(%2 : $Pair): |
| // CHECK: [[STRUCT:%.*]] = struct $Pair ([[FIRST2]] : $C, [[SECOND2]] : $C) |
| // CHECK: [[SECOND3:%.*]] = struct_extract [[STRUCT]] : $Pair, #Pair.second |
| // CHECK: [[FIRST3:%.*]] = struct_extract [[STRUCT]] : $Pair, #Pair.first |
| // CHECK: br bb1([[FIRST3]] : $C, [[SECOND3]] : $C) |
| br bb1(%2 : $Pair) |
| } |