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synced 2026-06-20 15:42:51 +02:00
John McCall
9b6777ff59
This is inserted by SIL passes and so may not always be properly nested with respect to non-unreorderable allocations such as async lets.
41 lines
1.4 KiB
Plaintext
41 lines
1.4 KiB
Plaintext
// RUN: %target-sil-opt -sil-disable-input-verify -test-runner %s -o /dev/null 2>&1 | %FileCheck %s
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import Builtin
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import Swift
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sil_stage lowered
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struct VGStruct<each T> {}
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sil private @priority_helper : $@convention(thin) (UInt8, UInt8) -> () {
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bb0(%0 : $UInt8, %1 : $UInt8):
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unreachable
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}
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// alloc_pack_metadata must be markable as non-nested
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// CHECK-LABEL: sil [ossa] @test_mark_alloc_pack_metadata_non_nested :
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// CHECK: builtin "taskAddPriorityEscalationHandler"
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// CHECK-NEXT: [[ALLOC:%.*]] = alloc_pack_metadata [non_nested] $()
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// CHECK-NEXT: metatype $@thick VGStruct<Int, Int>.Type
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// CHECK-NEXT: builtin "taskRemovePriorityEscalationHandler"
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// CHECK-NEXT: dealloc_pack_metadata [[ALLOC]]
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// CHECK-LABEL: // end sil function 'test_mark_alloc_pack_metadata_non_nested'
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sil [ossa] @test_mark_alloc_pack_metadata_non_nested : $@convention(thin) @async () -> () {
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bb0:
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specify_test "stack_nesting_fixup"
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%fn = function_ref @priority_helper : $@convention(thin) (UInt8, UInt8) -> ()
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%thick_fn = thin_to_thick_function %fn to $@noescape @callee_guaranteed (UInt8, UInt8) -> ()
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%handler = builtin "taskAddPriorityEscalationHandler"(%thick_fn) : $UnsafeRawPointer
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%a = alloc_pack_metadata $()
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%metatype = metatype $@thick VGStruct<Int, Int>.Type
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%out = builtin "taskRemovePriorityEscalationHandler"(%handler) : $()
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dealloc_pack_metadata %a
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%ret = tuple ()
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return %ret : $()
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}
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