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64 lines
1.7 KiB
Plaintext
64 lines
1.7 KiB
Plaintext
// RUN: %target-sil-opt -enable-sil-verify-all %s -simplify-bb-args -sroa-bb-args | %FileCheck %s
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sil_stage canonical
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import Builtin
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import Swift
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import SwiftShims
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enum E {
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case A
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case B
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}
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// Check that we don't crash in simplifyToSelectValue (rdar://problem/20037686)
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// CHECK-LABEL: @test
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sil public @test : $@convention(thin) (Builtin.Int64, @inout E) -> () {
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bb0(%0 : $Builtin.Int64, %x : $*E):
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%1 = integer_literal $Builtin.Int64, 0
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%2 = builtin "cmp_eq_Int64"(%0 : $Builtin.Int64, %1 : $Builtin.Int64) : $Builtin.Int1
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cond_br %2, bb3, bb1
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bb1:
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%4 = enum $E, #E.A!enumelt
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br bb2(%4 : $E)
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bb2(%6 : $E):
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store %6 to %x : $*E
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br bb3
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bb3:
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%8 = tuple ()
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return %8 : $()
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}
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// Verify that we do not crash in argument splitting (rdar://problem/25008398).
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class C {
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@_hasStorage let x: Builtin.Int32
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init()
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}
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struct Pair {
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@_hasStorage let first: C
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@_hasStorage let second: C
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}
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// CHECK-LABEL: @simplify_args_crash
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sil @simplify_args_crash : $@convention(thin) (Pair) -> () {
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bb0(%1 : $Pair):
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// CHECK: [[SECOND:%.*]] = struct_extract %0 : $Pair, #Pair.second
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// CHECK: [[FIRST:%.*]] = struct_extract %0 : $Pair, #Pair.first
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// CHECK: br bb1([[FIRST]] : $C, [[SECOND]] : $C)
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br bb1(%1 : $Pair)
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// CHECK: bb1([[FIRST2:%.*]] : $C, [[SECOND2:%.*]] : $C):
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bb1(%2 : $Pair):
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// CHECK: [[STRUCT:%.*]] = struct $Pair ([[FIRST2]] : $C, [[SECOND2]] : $C)
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// CHECK: [[SECOND3:%.*]] = struct_extract [[STRUCT]] : $Pair, #Pair.second
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// CHECK: [[FIRST3:%.*]] = struct_extract [[STRUCT]] : $Pair, #Pair.first
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// CHECK: br bb1([[FIRST3]] : $C, [[SECOND3]] : $C)
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br bb1(%2 : $Pair)
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}
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