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// RUN: %target-sil-opt -enable-sil-verify-all %s -loop-info-printer 2>&1 | %FileCheck %s
// REQUIRES: asserts
import Builtin
import Swift
sil_stage canonical
// CHECK-LABEL: Loops in simple_loop_with_enum
// CHECK: Loop at depth 1 containing: bb1<header>,bb3,bb2,bb4<exiting>,bb5<latch>
sil @simple_loop_with_enum : $@convention(thin) () -> () {
bb0:
%0 = integer_literal $Builtin.Int32, 0
%1 = integer_literal $Builtin.Int32, 1000
br bb1(%0 : $Builtin.Int32)
bb1(%3 : $Builtin.Int32):
%4 = struct $Int32 (%3 : $Builtin.Int32)
%6 = builtin "cmp_eq_Int32"(%3 : $Builtin.Int32, %1 : $Builtin.Int32) : $Builtin.Int1
cond_br %6, bb2, bb3
bb2:
%8 = enum $Optional<Int32>, #Optional.none!enumelt
br bb4(%3 : $Builtin.Int32, %8 : $Optional<Int32>)
bb3:
%10 = integer_literal $Builtin.Int32, 1
%12 = integer_literal $Builtin.Int1, -1
%13 = builtin "sadd_with_overflow_Int32"(%3 : $Builtin.Int32, %10 : $Builtin.Int32, %12 : $Builtin.Int1) : $(Builtin.Int32, Builtin.Int1)
%14 = tuple_extract %13 : $(Builtin.Int32, Builtin.Int1), 0
%15 = tuple_extract %13 : $(Builtin.Int32, Builtin.Int1), 1
cond_fail %15 : $Builtin.Int1
%17 = enum $Optional<Int32>, #Optional.some!enumelt, %4 : $Int32
br bb4(%14 : $Builtin.Int32, %17 : $Optional<Int32>)
bb4(%19 : $Builtin.Int32, %20 : $Optional<Int32>):
switch_enum %20 : $Optional<Int32>, case #Optional.some!enumelt: bb5, case #Optional.none!enumelt: bb6
bb5:
br bb1(%19 : $Builtin.Int32)
bb6:
%23 = tuple ()
return %23 : $()
}
// CHECK-LABEL: Loops in simple_loop
// CHECK: Loop at depth 1 containing: bb1<header><exiting>,bb2<latch>
sil @simple_loop : $@convention(thin) () -> () {
bb0:
%0 = integer_literal $Builtin.Int32, 0
%1 = integer_literal $Builtin.Int32, 1000
br bb1(%0 : $Builtin.Int32)
bb1(%3 : $Builtin.Int32):
%4 = struct $Int32 (%3 : $Builtin.Int32)
%6 = builtin "cmp_eq_Int32"(%3 : $Builtin.Int32, %1 : $Builtin.Int32) : $Builtin.Int1
cond_br %6, bb3, bb2
bb2:
%8 = integer_literal $Builtin.Int32, 1
%10 = integer_literal $Builtin.Int1, -1
%11 = builtin "sadd_with_overflow_Int32"(%3 : $Builtin.Int32, %8 : $Builtin.Int32, %10 : $Builtin.Int1) : $(Builtin.Int32, Builtin.Int1)
%12 = tuple_extract %11 : $(Builtin.Int32, Builtin.Int1), 0
%13 = tuple_extract %11 : $(Builtin.Int32, Builtin.Int1), 1
cond_fail %13 : $Builtin.Int1
%15 = enum $Optional<Int32>, #Optional.some!enumelt, %4 : $Int32
br bb1(%12 : $Builtin.Int32)
bb3:
%17 = tuple ()
return %17 : $()
}
// CHECK-LABEL: nested_loop
// CHECK: Loop at depth 1 containing: bb1<header><exiting>,bb2,bb4,bb5,bb6<latch>
// CHECK: Loop at depth 2 containing: bb4<header><exiting>,bb5<latch>
sil @nested_loop : $@convention(thin) () -> () {
bb0:
%0 = integer_literal $Builtin.Int32, 0
%1 = integer_literal $Builtin.Int32, 1000
br bb1(%0 : $Builtin.Int32)
bb1(%3 : $Builtin.Int32):
%5 = builtin "cmp_eq_Int32"(%3 : $Builtin.Int32, %1 : $Builtin.Int32) : $Builtin.Int1
cond_br %5, bb3, bb2
bb2:
%7 = integer_literal $Builtin.Int32, 1
%9 = integer_literal $Builtin.Int1, -1
%10 = builtin "sadd_with_overflow_Int32"(%3 : $Builtin.Int32, %7 : $Builtin.Int32, %9 : $Builtin.Int1) : $(Builtin.Int32, Builtin.Int1)
%11 = tuple_extract %10 : $(Builtin.Int32, Builtin.Int1), 0
%12 = tuple_extract %10 : $(Builtin.Int32, Builtin.Int1), 1
cond_fail %12 : $Builtin.Int1
%14 = integer_literal $Builtin.Int32, 2000
br bb4(%0 : $Builtin.Int32)
bb3:
%16 = tuple ()
return %16 : $()
bb4(%18 : $Builtin.Int32):
%19 = builtin "cmp_eq_Int32"(%18 : $Builtin.Int32, %14 : $Builtin.Int32) : $Builtin.Int1
cond_br %19, bb6, bb5
bb5:
%21 = integer_literal $Builtin.Int32, 1
%23 = integer_literal $Builtin.Int1, -1
%24 = builtin "sadd_with_overflow_Int32"(%18 : $Builtin.Int32, %21 : $Builtin.Int32, %23 : $Builtin.Int1) : $(Builtin.Int32, Builtin.Int1)
%25 = tuple_extract %24 : $(Builtin.Int32, Builtin.Int1), 0
%26 = tuple_extract %24 : $(Builtin.Int32, Builtin.Int1), 1
cond_fail %26 : $Builtin.Int1
br bb4(%25 : $Builtin.Int32)
bb6:
br bb1(%11 : $Builtin.Int32)
}
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