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22 lines
803 B
Swift
22 lines
803 B
Swift
// RUN: %target-swift-frontend %s -emit-ir -g -o - | FileCheck %s
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func markUsed<T>(t: T) {}
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func foldl1<T>(list: [T], _ function: (a: T, b: T) -> T) -> T {
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assert(list.count > 1)
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var accumulator = list[0]
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for var i = 1; i < list.count; i += 1 {
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accumulator = function(a: accumulator, b: list[i])
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}
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return accumulator
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}
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var a = [Int64](repeating: 0, count: 10)
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for i in 0..<10 { a[i] = Int64(i) }
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// A closure is not an artificial function (the last i32 0).
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// CHECK: !DISubprogram({{.*}}linkageName: "_TF7closureU_FTVs5Int64S0__S0_",{{.*}} line: 20,{{.*}} scopeLine: 20,
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// CHECK: !DILocalVariable(name: "$0", arg: 1{{.*}} line: [[@LINE+2]],
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// CHECK: !DILocalVariable(name: "$1", arg: 2{{.*}} line: [[@LINE+1]],
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var sum:Int64 = foldl1(a, { $0 + $1 })
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markUsed(sum)
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