File: select_enum_addr_reads_memory.sil

package info (click to toggle)
swiftlang 6.1.3-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 2,791,532 kB
  • sloc: cpp: 9,901,743; ansic: 2,201,431; asm: 1,091,827; python: 308,252; objc: 82,166; f90: 80,126; lisp: 38,358; pascal: 25,559; sh: 20,429; ml: 5,058; perl: 4,745; makefile: 4,484; awk: 3,535; javascript: 3,018; xml: 918; fortran: 664; cs: 573; ruby: 396
file content (41 lines) | stat: -rw-r--r-- 1,008 bytes parent folder | download | duplicates (2) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
 
// 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) -> ()