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fd4828e40a
I am doing this separately from the actual change to eliminate the option to make it easier to review.
42 lines
1008 B
Plaintext
42 lines
1008 B
Plaintext
// RUN: %target-sil-opt -enable-sil-verify-all -loop-rotate %s | %FileCheck %s
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import Builtin
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enum TestEnum {
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case A
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case B
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}
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// CHECK-LABEL: testit
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sil @testit : $@convention(thin) () -> () {
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bb0:
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%i0 = integer_literal $Builtin.Int1, 0
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%i1 = integer_literal $Builtin.Int1, -1
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%0 = alloc_stack $TestEnum
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%1 = enum $TestEnum, #TestEnum.A!enumelt
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store %1 to %0 : $*TestEnum
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br bb1
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// CHECK: bb1:
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bb1:
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// Test if this select_enum_addr inst is not moved before the loop but stays in the loop.
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// CHECK: apply
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// CHECK: [[X:%[0-9]+]] = select_enum_addr
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// CHECK: cond_br [[X]]
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%x1 = select_enum_addr %0 : $*TestEnum, case #TestEnum.A!enumelt: %i0, default %i1 : $Builtin.Int1
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cond_br %x1, bb2, bb3
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bb2:
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%6 = function_ref @writeEnum: $@convention(thin) (@inout TestEnum) -> ()
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%7 = apply %6(%0) : $@convention(thin) (@inout TestEnum) -> ()
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br bb1
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bb3:
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%9 = tuple ()
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dealloc_stack %0 : $*TestEnum
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return %9 : $()
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}
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sil @writeEnum: $@convention(thin) (@inout TestEnum) -> ()
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