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3e5d0039e9
Use underscores rather than hyphens so that text editors understand the name as a single word.
53 lines
2.0 KiB
Plaintext
53 lines
2.0 KiB
Plaintext
// RUN: %target-sil-opt -test-runner %s -o /dev/null 2>&1 | %FileCheck %s
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class C {}
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sil [ossa] @callee_owned : $@convention(thin) (@owned C) -> ()
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// Fold apply when guaranteed lexical value used in one but not two branches
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// and the lexical scope ends before the use on the non-lexical branch.
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//
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// CHECK-LABEL: sil [ossa] @nofold_two_parallel_owned_uses_one_lexical___scope_ends_before_use : {{.*}} {
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// CHECK: {{bb[0-9]+}}([[INSTANCE:%[^,]+]] :
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// CHECK: [[COPY:%[^,]+]] = copy_value [[INSTANCE]]
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// CHECK: [[MOVE:%[^,]+]] = move_value [lexical] [[INSTANCE]]
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// CHECK: [[CALLEE_OWNED:%[^,]+]] = function_ref @callee_owned
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// CHECK: cond_br undef, [[LEFT:bb[0-9]+]], [[RIGHT:bb[0-9]+]]
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// CHECK: [[LEFT]]:
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// CHECK: apply [[CALLEE_OWNED]]([[MOVE]])
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// CHECK: destroy_value [[COPY]]
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// CHECK: br [[EXIT:bb[0-9]+]]
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// CHECK: [[RIGHT]]:
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// CHECK: destroy_value [[MOVE]]
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// CHECK: apply [[CALLEE_OWNED]]([[COPY]])
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// CHECK: br [[EXIT]]
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// CHECK: [[EXIT]]:
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// CHECK-LABEL: } // end sil function 'nofold_two_parallel_owned_uses_one_lexical___scope_ends_before_use'
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sil [ossa] @nofold_two_parallel_owned_uses_one_lexical___scope_ends_before_use : $@convention(thin) (@owned C) -> () {
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entry(%instance : @owned $C):
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specify_test "lexical_destroy_folding @trace[0]"
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%copy_2 = copy_value %instance : $C
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%lifetime = begin_borrow [lexical] %instance : $C
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debug_value [trace] %lifetime : $C
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%callee_owned = function_ref @callee_owned : $@convention(thin) (@owned C) -> ()
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cond_br undef, left, right
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left:
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%copy_1 = copy_value %lifetime : $C
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apply %callee_owned(%copy_1) : $@convention(thin) (@owned C) -> ()
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end_borrow %lifetime : $C
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destroy_value %instance : $C
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destroy_value %copy_2 : $C
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br exit
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right:
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end_borrow %lifetime : $C
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destroy_value %instance : $C
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apply %callee_owned(%copy_2) : $@convention(thin) (@owned C) -> ()
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br exit
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exit:
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%retval = tuple ()
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return %retval : $()
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}
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