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8e6d6338ce
This patch emits the alignment for all default-aligned types as 0 which causes the backend to not emit an alignment attribute at all. This mirrors clang's behavior. <rdar://problem/29007471>
45 lines
1.6 KiB
Swift
45 lines
1.6 KiB
Swift
// RUN: %target-swift-frontend %s -emit-ir -g -o %t
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// RUN: cat %t | %FileCheck %s --check-prefix=CHECK1
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// RUN: cat %t | %FileCheck %s --check-prefix=CHECK2
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// RUN: cat %t | %FileCheck %s --check-prefix=CHECK3
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func used<T>(_ t: T) {}
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public class Foo {
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func foo() {
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{ [weak self] in
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// CHECK1: call void @llvm.dbg.value(metadata i{{.*}} 0,
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// CHECK1-SAME: metadata ![[TYPE:.*]], metadata
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// CHECK1: ![[TYPE]] = !DILocalVariable(name: "type",
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// CHECK1-SAME: line: [[@LINE+4]],
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// CHECK1-SAME: type: ![[METAFOO:[0-9]+]]
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// CHECK1: ![[METAFOO]] = !DICompositeType(tag: DW_TAG_structure_type,
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// CHECK1-SAME: flags:
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let type = type(of: self)
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used(type)
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}()
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}
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}
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struct AStruct {}
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// CHECK2: define{{.*}}app
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public func app() {
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// No members? No storage! Emitted as a constant 0, because.
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// CHECK2: call void @llvm.dbg.value(metadata i{{.*}} 0,
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// CHECK2-SAME: metadata ![[AT:.*]], metadata
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// CHECK2: ![[AT]] = !DILocalVariable(name: "at",{{.*}}line: [[@LINE+1]]
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var at = AStruct()
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used(at)
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}
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public enum empty { case exists }
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public let globalvar = empty.exists
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// CHECK3: !DIGlobalVariableExpression(var: ![[VAR:[0-9]+]],
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// CHECK3-SAME: expr: ![[EXPR:[0-9]+]])
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// CHECK3: ![[VAR]] = distinct !DIGlobalVariable(name: "globalvar",
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// CHECK3-SAME: {{.*}}line: [[@LINE-4]], {{.*}}isLocal: false,
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// CHECK3-SAME: isDefinition: true)
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// CHECK3: ![[EXPR]] = !DIExpression(DW_OP_constu, 0, DW_OP_stack_value)
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