mirror of
https://github.com/apple/swift.git
synced 2025-12-21 12:14:44 +01:00
51 lines
1.4 KiB
Plaintext
51 lines
1.4 KiB
Plaintext
// RUN: %target-sil-opt -test-runner %s -o /dev/null 2>&1 | %FileCheck %s
|
|
|
|
// REQUIRES: asserts
|
|
|
|
// CHECK-LABEL: begin running test {{.*}} on with_trap: dead_end_blocks
|
|
// CHECK-LABEL: sil @with_trap : {{.*}} {
|
|
// CHECK: cond_br undef, [[DIE:bb[0-9]+]], [[EXIT:bb[0-9]+]]
|
|
// CHECK: [[DIE]]:
|
|
// CHECK: unreachable
|
|
// CHECK-LABEL: } // end sil function 'with_trap'
|
|
// CHECK: [[DIE]]
|
|
// CHECK-LABEL: end running test {{.*}} on with_trap: dead_end_blocks
|
|
sil @with_trap : $@convention(thin) () -> () {
|
|
entry:
|
|
specify_test "dead_end_blocks"
|
|
cond_br undef, die, exit
|
|
|
|
die:
|
|
unreachable
|
|
|
|
exit:
|
|
%retval = tuple ()
|
|
return %retval : $()
|
|
}
|
|
|
|
// CHECK-LABEL: begin running test {{.*}} on with_infinite_loop: dead_end_blocks
|
|
// CHECK-LABEL: sil @with_infinite_loop : $@convention(thin) () -> () {
|
|
// CHECK: cond_br undef, [[EXIT:bb[0-9]+]], [[HEADER:bb[0-9]+]]
|
|
// CHECK: [[HEADER]]:
|
|
// CHECK: br [[LOOP:bb[0-9]+]]
|
|
// CHECK: [[LOOP]]:
|
|
// CHECK: br [[LOOP]]
|
|
// CHECK-LABEL: } // end sil function 'with_infinite_loop'
|
|
// CHECK: [[HEADER]]
|
|
// CHECK: [[LOOP]]
|
|
// CHECK-LABEL: end running test {{.*}} on with_infinite_loop: dead_end_blocks
|
|
sil @with_infinite_loop : $@convention(thin) () -> () {
|
|
entry:
|
|
specify_test "dead_end_blocks"
|
|
cond_br undef, exit, header
|
|
header:
|
|
br loop
|
|
loop:
|
|
br loop
|
|
exit:
|
|
%retval = tuple ()
|
|
return %retval : $()
|
|
}
|
|
|
|
|