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aa76c2a5e6
I put in a simple fixup pass (MarkUninitializedFixup) for staging purposes. I don't expect it to be in tree long. I just did not feel comfortable fixing up in 1 commit all of the passes up to DI. rdar://31521023
83 lines
2.9 KiB
Plaintext
83 lines
2.9 KiB
Plaintext
// RUN: %target-sil-opt -enable-sil-ownership -mark-uninitialized-fixup %s | %FileCheck %s
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sil_stage raw
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import Builtin
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// CHECK-LABEL: sil @single_bb_single_proj_case : $@convention(thin) () -> () {
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// CHECK: [[BOX:%.*]] = alloc_box ${ var Builtin.Int32 }
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// CHECK: [[PB:%.*]] = project_box [[BOX]]
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// CHECK: mark_uninitialized [rootself] [[PB]]
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sil @single_bb_single_proj_case : $@convention(thin) () -> () {
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bb0:
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%0 = alloc_box ${ var Builtin.Int32 }
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%1 = mark_uninitialized [rootself] %0 : ${ var Builtin.Int32 }
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%2 = project_box %1 : ${ var Builtin.Int32 }, 0
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destroy_value %1 : ${ var Builtin.Int32 }
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%9999 = tuple()
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return %9999 : $()
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}
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// CHECK-LABEL: sil @single_bb_multiple_proj_case : $@convention(thin) () -> () {
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// CHECK: [[BOX:%.*]] = alloc_box ${ var Builtin.Int32 }
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// CHECK: [[PB:%.*]] = project_box [[BOX]]
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// CHECK: mark_uninitialized [rootself] [[PB]]
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// CHECK: project_box [[BOX]]
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sil @single_bb_multiple_proj_case : $@convention(thin) () -> () {
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bb0:
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%0 = alloc_box ${ var Builtin.Int32 }
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%1 = mark_uninitialized [rootself] %0 : ${ var Builtin.Int32 }
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%2 = project_box %1 : ${ var Builtin.Int32 }, 0
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%3 = project_box %1 : ${ var Builtin.Int32 }, 0
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destroy_value %1 : ${ var Builtin.Int32 }
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%9999 = tuple()
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return %9999 : $()
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}
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// CHECK-LABEL: sil @multiple_bb_case : $@convention(thin) () -> () {
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// CHECK: [[BOX:%.*]] = alloc_box ${ var Builtin.Int32 }
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// CHECK: [[PB:%.*]] = project_box [[BOX]]
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// CHECK: mark_uninitialized [rootself] [[PB]]
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// CHECK: br [[NEXT_BB:bb[0-9]+]]
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//
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// CHECK: [[NEXT_BB]]:
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// CHECK: project_box [[BOX]]
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sil @multiple_bb_case : $@convention(thin) () -> () {
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bb0:
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%0 = alloc_box ${ var Builtin.Int32 }
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%1 = mark_uninitialized [rootself] %0 : ${ var Builtin.Int32 }
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%2 = project_box %1 : ${ var Builtin.Int32 }, 0
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br bb1
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bb1:
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%3 = project_box %1 : ${ var Builtin.Int32 }, 0
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destroy_value %1 : ${ var Builtin.Int32 }
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%9999 = tuple()
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return %9999 : $()
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}
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struct Bool {
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var _value: Builtin.Int1
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}
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// CHECK-LABEL: sil @test_rauw_uses_of_project_box : $@convention(thin) (Builtin.Int1, @thin Bool.Type) -> Bool {
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// CHECK: [[BOX:%.*]] = alloc_box ${ var Bool }
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// CHECK: [[PB:%.*]] = project_box [[BOX]]
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// CHECK: [[MUI:%.*]] = mark_uninitialized [rootself] [[PB]]
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// CHECK: struct_element_addr [[MUI]]
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// CHECK: load [trivial] [[MUI]]
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// CHECK: destroy_value [[BOX]]
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sil @test_rauw_uses_of_project_box : $@convention(thin) (Builtin.Int1, @thin Bool.Type) -> Bool {
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bb0(%0 : @trivial $Builtin.Int1, %1 : @trivial $@thin Bool.Type):
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%2 = alloc_box ${ var Bool }, var, name "self"
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%3 = mark_uninitialized [rootself] %2 : ${ var Bool }
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%4 = project_box %3 : ${ var Bool }, 0
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debug_value %0 : $Builtin.Int1, let, name "v", argno 1
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%6 = struct_element_addr %4 : $*Bool, #Bool._value
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assign %0 to %6 : $*Builtin.Int1
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%8 = load [trivial] %4 : $*Bool
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destroy_value %3 : ${ var Bool }
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return %8 : $Bool
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}
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