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d55c169d80
Replace usages of lexical destroy hoisting with owned value canonicalization now that the latter supports lexical values.
40 lines
2.1 KiB
Swift
40 lines
2.1 KiB
Swift
// RUN: %target-swift-frontend -c -O -enable-copy-propagation=true -enable-lexical-lifetimes=true -sil-verify-all -Xllvm -sil-print-final-ossa-module %s | %FileCheck %s
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// =============================================================================
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// = DECLARATIONS {{
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// =============================================================================
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@_silgen_name("consumeAndProduce")
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func consumeAndProduce(_ arg: __owned AnyObject) -> AnyObject
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// =============================================================================
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// = DECLARATIONS }}
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// =============================================================================
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// =============================================================================
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// = TESTS {{
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// =============================================================================
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@_silgen_name("eliminate_copy_of_returned_then_consumed_owned_value")
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public func eliminate_copy_of_returned_then_consumed_owned_value(arg: __owned AnyObject) {
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// CHECK-LABEL: sil [ossa] @eliminate_copy_of_returned_then_consumed_owned_value : {{.*}} {
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// CHECK: {{bb[0-9]+}}([[ARG:%[^,]+]] : @owned $AnyObject):
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// retain arg
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// CHECK: [[ARG_COPY:%[^,]+]] = copy_value [[ARG]]
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let x = consumeAndProduce(arg)
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// CHECK: [[X:%[^,]+]] = apply {{%[^,]+}}([[ARG_COPY]])
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// CHECK: [[MOVE_X:%[^,]+]] = move_value [lexical] [var_decl] [[X]]
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// no copy of 'x'
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_ = consumeAndProduce(x)
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// CHECK: [[RESULT:%[^,]+]] = apply {{%[^,]+}}([[MOVE_X]])
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// release arg
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// release result
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// CHECK: destroy_value [[RESULT]]
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// CHECK: destroy_value [[ARG]]
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// CHECK-LABEL: } // end sil function 'eliminate_copy_of_returned_then_consumed_owned_value'
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}
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// =============================================================================
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// = TESTS }}
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// =============================================================================
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