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The use of 'nocapture' for parameters and return values is incorrect for C++ types, as they can actually capture a pointer into its own value (e.g. std::string in libstdc++) rdar://115062687
40 lines
1.0 KiB
Swift
40 lines
1.0 KiB
Swift
// RUN: %swift -prespecialize-generic-metadata -target %module-target-future -emit-ir %s | %FileCheck %s -DINT=i%target-ptrsize -DALIGNMENT=%target-alignment
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// REQUIRES: VENDOR=apple || OS=linux-gnu
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// UNSUPPORTED: CPU=i386 && OS=ios
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// UNSUPPORTED: CPU=armv7 && OS=ios
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// UNSUPPORTED: CPU=armv7s && OS=ios
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struct Value {
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let first: Int
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}
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@inline(never)
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func consume<T>(_ t: T) {
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withExtendedLifetime(t) { t in
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}
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}
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// CHECK: define hidden swiftcc void @"$s4main4doityyF"() #{{[0-9]+}} {
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// CHECK: call swiftcc void @"$s4main7consumeyyxlF"(
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// CHECK-SAME: ptr noalias %{{[0-9]+}},
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// CHECK-SAME: ptr getelementptr inbounds (
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// CHECK-SAME: <{
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// CHECK-SAME: ptr,
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// CHECK-SAME: ptr,
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// CHECK-SAME: [[INT]],
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// CHECK-SAME: ptr,
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// CHECK-SAME: i32
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// CHECK-SAME: i64
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// CHECK-SAME: }>,
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// CHECK-SAME: ptr @"$s4main5ValueVMf",
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// CHECK-SAME: i32 0,
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// CHECK-SAME: i32 2
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// CHECK-SAME: )
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// CHECK-SAME: )
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// CHECK: }
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func doit() {
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consume( Value(first: 13) )
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}
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doit()
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