| // RUN: %target-sil-opt -enable-sil-verify-all -loop-rotate %s | %FileCheck %s |
| |
| import Builtin |
| |
| enum TestEnum { |
| case A |
| case B |
| } |
| |
| // CHECK-LABEL: testit |
| sil @testit : $@convention(thin) () -> () { |
| bb0: |
| %i0 = integer_literal $Builtin.Int1, 0 |
| %i1 = integer_literal $Builtin.Int1, -1 |
| %0 = alloc_stack $TestEnum |
| %1 = enum $TestEnum, #TestEnum.A!enumelt |
| store %1 to %0 : $*TestEnum |
| br bb1 |
| |
| // CHECK: bb1: |
| bb1: |
| |
| // Test if this select_enum_addr inst is not moved before the loop but stays in the loop. |
| // CHECK: apply |
| // CHECK: [[X:%[0-9]+]] = select_enum_addr |
| // CHECK: cond_br [[X]] |
| %x1 = select_enum_addr %0 : $*TestEnum, case #TestEnum.A!enumelt: %i0, default %i1 : $Builtin.Int1 |
| cond_br %x1, bb2, bb3 |
| |
| bb2: |
| %6 = function_ref @writeEnum: $@convention(thin) (@inout TestEnum) -> () |
| %7 = apply %6(%0) : $@convention(thin) (@inout TestEnum) -> () |
| br bb1 |
| |
| bb3: |
| %9 = tuple () |
| dealloc_stack %0 : $*TestEnum |
| return %9 : $() |
| } |
| |
| sil @writeEnum: $@convention(thin) (@inout TestEnum) -> () |
