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This allows the debugger to distinguish constant "let" values from mutable "var" variables. rdar://problem/16042546
19 lines
873 B
Swift
19 lines
873 B
Swift
// RUN: %target-swift-frontend %s -emit-ir -g -o - | %FileCheck %s
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func apply<Type>(_ T : Type, fn: (Type) -> Type) -> Type { return fn(T) }
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public func f<Type>(_ value : Type)
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{
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// CHECK: define {{.*}}$s12generic_arg31fyyxlFxxXEfU_
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// CHECK: call void @llvm.dbg.declare(metadata %swift.opaque** %[[ALLOCA:[^,]+]],
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// CHECK-SAME: metadata ![[ARG:.*]], metadata !DIExpression(DW_OP_deref))
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// CHECK: store %swift.opaque* %1, %swift.opaque** %[[ALLOCA]], align
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// No deref here.
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// CHECK: ![[TY:.*]] = !DICompositeType({{.*}}identifier: "$sxD"
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// CHECK: ![[LET_TY:[0-9]+]] = !DIDerivedType(tag: DW_TAG_const_type,
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// CHECK-SAME: baseType: ![[TY]])
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// CHECK: ![[ARG]] = !DILocalVariable(name: "arg", arg: 1,
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// CHECK-SAME: line: [[@LINE+1]], type: ![[LET_TY]])
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apply(value) { arg in return arg }
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}
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