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67 lines
2.4 KiB
Swift
67 lines
2.4 KiB
Swift
// RUN: %target-swift-frontend %s -emit-ir -g -module-name inout -o %t.ll
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// RUN: cat %t.ll | FileCheck %s
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// RUN: cat %t.ll | FileCheck %s --check-prefix=PROMO-CHECK
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// RUN: cat %t.ll | FileCheck %s --check-prefix=FOO-CHECK
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// LValues are direct values, too. They are reference types, though.
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func Close(fn: () -> Int64) { fn() }
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typealias MyFloat = Float
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// CHECK: define hidden void @_TF5inout13modifyFooHeap
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// CHECK: %[[ALLOCA:.*]] = alloca %Vs5Int64*
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// CHECK: %[[ALLOCB:.*]] = alloca %Sf
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// CHECK: call void @llvm.dbg.declare(metadata
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// CHECK-SAME: %[[ALLOCA]], metadata ![[A:[0-9]+]]
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// CHECK: call void @llvm.dbg.declare(metadata
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// CHECK-SAME: %[[ALLOCB]], metadata ![[B:[0-9]+]], metadata !{{[0-9]+}})
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// Closure with promoted capture.
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// PROMO-CHECK: define {{.*}}@_TTSf2i___TFF5inout13modifyFooHeapFTRVs5Int64Sf_T_U_FT_S0_
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// PROMO-CHECK: call void @llvm.dbg.declare(metadata {{(i32|i64)}}* %
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// PROMO-CHECK-SAME: metadata ![[A1:[0-9]+]], metadata ![[EMPTY_EXPR:[0-9]+]])
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// PROMO-CHECK: ![[EMPTY_EXPR]] = !DIExpression()
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// PROMO-CHECK: ![[A1]] = !DILocalVariable(name: "a", arg: 1
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// PROMO-CHECK-SAME: type: !"_TtVs5Int64"
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func modifyFooHeap(a: inout Int64,
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// CHECK-DAG: ![[A]] = !DILocalVariable(name: "a", arg: 1{{.*}} line: [[@LINE-1]],{{.*}} type: !"_TtRVs5Int64"
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_ b: MyFloat)
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{
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var b = b
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if (b > 2.71) {
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a = a + 12// Set breakpoint here
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}
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// Close over the variable to disable promotion of the inout shadow.
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Close({ a })
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}
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// Inout reference type.
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// FOO-CHECK: define {{.*}}@_TF5inout9modifyFooFTRVs5Int64Sf_T_
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// FOO-CHECK: call void @llvm.dbg.declare(metadata %Vs5Int64** %
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// FOO-CHECK-SAME: metadata ![[U:[0-9]+]], metadata ![[EMPTY_EXPR:.*]])
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// FOO-CHECK: ![[EMPTY_EXPR]] = !DIExpression()
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func modifyFoo(u: inout Int64,
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// FOO-CHECK-DAG: !DILocalVariable(name: "v", arg: 2{{.*}} line: [[@LINE+2]],{{.*}} type: ![[MYFLOAT:[0-9]+]]
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// FOO-CHECK-DAG: [[U]] = !DILocalVariable(name: "u", arg: 1{{.*}} line: [[@LINE-2]],{{.*}} type: !"_TtRVs5Int64"
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_ v: MyFloat)
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// FOO-CHECK-DAG: ![[MYFLOAT]] = !DIDerivedType(tag: DW_TAG_typedef, name: "_Tta5inout7MyFloat",{{.*}} baseType: !"_TtSf"
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{
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if (v > 2.71) {
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u = u - 41
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}
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}
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func main() -> Int64 {
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var c = 11 as Int64
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modifyFoo(&c, 3.14)
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var d = 64 as Int64
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modifyFooHeap(&d, 1.41)
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return 0
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}
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main()
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