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returnlocation.swift
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// RUN: %target-swift-frontend -g -emit-ir %s -o %t.ll
// REQUIRES: objc_interop
import Foundation
// This file contains linetable testcases for all permutations
// of simple/complex/empty return expressions,
// cleanups/no cleanups, single / multiple return locations.
// RUN: FileCheck %s --check-prefix=CHECK_NONE < %t.ll
// CHECK_NONE: define void {{.*}}none
public func none(inout a: Int64) {
// CHECK_NONE: call void @llvm.dbg{{.*}}, !dbg
// CHECK_NONE: !dbg ![[NONE_INIT:.*]]
a -= 2;
// CHECK_NONE: ret {{.*}}, !dbg ![[NONE_RET:.*]]
// CHECK_NONE: ![[NONE_INIT]] = !DILocation(line: [[@LINE-2]], column:
// CHECK_NONE: ![[NONE_RET]] = !DILocation(line: [[@LINE+1]], column: 1,
}
// RUN: FileCheck %s --check-prefix=CHECK_EMPTY < %t.ll
// CHECK_EMPTY: define {{.*}}empty
public func empty(inout a: Int64) {
if a > 24 {
// CHECK-DAG_EMPTY: br {{.*}}, !dbg ![[EMPTY_RET1:.*]]
// CHECK-DAG_EMPTY_RET1: ![[EMPTY_RET1]] = !DILocation(line: [[@LINE+1]], column: 6,
return
}
a -= 2;
// CHECK-DAG_EMPTY: br {{.*}}, !dbg ![[EMPTY_RET2:.*]]
// CHECK-DAG_EMPTY_RET2: ![[EMPTY_RET]] = !DILocation(line: [[@LINE+1]], column: 3,
return
// CHECK-DAG_EMPTY: ret {{.*}}, !dbg ![[EMPTY_RET:.*]]
// CHECK-DAG_EMPTY: ![[EMPTY_RET]] = !DILocation(line: [[@LINE+1]], column: 1,
}
// RUN: FileCheck %s --check-prefix=CHECK_EMPTY_NONE < %t.ll
// CHECK_EMPTY_NONE: define {{.*}}empty_none
public func empty_none(inout a: Int64) {
if a > 24 {
return;
}
a -= 2;
// CHECK_EMPTY_NONE: ret {{.*}}, !dbg ![[EMPTY_NONE_RET:.*]]
// CHECK_EMPTY_NONE: ![[EMPTY_NONE_RET]] = !DILocation(line: [[@LINE+1]], column: 1,
}
// RUN: FileCheck %s --check-prefix=CHECK_SIMPLE_RET < %t.ll
// CHECK_SIMPLE_RET: define {{.*}}simple
public func simple(a: Int64) -> Int64 {
if a > 24 {
return 0;
}
return 1
// CHECK_SIMPLE_RET: ret i{{.*}}, !dbg ![[SIMPLE_RET:.*]]
// CHECK_SIMPLE_RET: ![[SIMPLE_RET]] = !DILocation(line: [[@LINE+1]], column: 1,
}
// RUN: FileCheck %s --check-prefix=CHECK_COMPLEX_RET < %t.ll
// CHECK_COMPLEX_RET: define {{.*}}complex
public func complex(a: Int64) -> Int64 {
if a > 24 {
return a*a
}
return a/2
// CHECK_COMPLEX_RET: ret i{{.*}}, !dbg ![[COMPLEX_RET:.*]]
// CHECK_COMPLEX_RET: ![[COMPLEX_RET]] = !DILocation(line: [[@LINE+1]], column: 1,
}
// RUN: FileCheck %s --check-prefix=CHECK_COMPLEX_SIMPLE < %t.ll
// CHECK_COMPLEX_SIMPLE: define {{.*}}complex_simple
public func complex_simple(a: Int64) -> Int64 {
if a > 24 {
return a*a
}
return 2
// CHECK_COMPLEX_SIMPLE: ret i{{.*}}, !dbg ![[COMPLEX_SIMPLE_RET:.*]]
// CHECK_COMPLEX_SIMPLE: ![[COMPLEX_SIMPLE_RET]] = !DILocation(line: [[@LINE+1]], column: 1,
}
// RUN: FileCheck %s --check-prefix=CHECK_SIMPLE_COMPLEX < %t.ll
// CHECK_SIMPLE_COMPLEX: define {{.*}}simple_complex
public func simple_complex(a: Int64) -> Int64 {
if a > 24 {
return a*a
}
return 2
// CHECK_SIMPLE_COMPLEX: ret {{.*}}, !dbg ![[SIMPLE_COMPLEX_RET:.*]]
// CHECK_SIMPLE_COMPLEX: ![[SIMPLE_COMPLEX_RET]] = !DILocation(line: [[@LINE+1]], column: 1,
}
// ---------------------------------------------------------------------
// RUN: FileCheck %s --check-prefix=CHECK_CLEANUP_NONE < %t.ll
// CHECK_CLEANUP_NONE: define {{.*}}cleanup_none
public func cleanup_none(inout a: NSString) {
a = "empty"
// CHECK_CLEANUP_NONE: ret void, !dbg ![[CLEANUP_NONE_RET:.*]]
// CHECK_CLEANUP_NONE: ![[CLEANUP_NONE_RET]] = !DILocation(line: [[@LINE+1]], column: 1,
}
// RUN: FileCheck %s --check-prefix=CHECK_CLEANUP_EMPTY < %t.ll
// CHECK_CLEANUP_EMPTY: define {{.*}}cleanup_empty
public func cleanup_empty(inout a: NSString) {
if a.length > 24 {
return;
}
a = "empty"
return
// CHECK_CLEANUP_EMPTY: ret void, !dbg ![[CLEANUP_EMPTY_RET:.*]]
// CHECK_CLEANUP_EMPTY: ![[CLEANUP_EMPTY_RET]] = !DILocation(line: [[@LINE+1]], column: 1,
}
// RUN: FileCheck %s --check-prefix=CHECK_CLEANUP_EMPTY_NONE < %t.ll
// CHECK_CLEANUP_EMPTY_NONE: define {{.*}}cleanup_empty_none
public func cleanup_empty_none(inout a: NSString) {
if a.length > 24 {
return;
}
a = "empty"
// CHECK_CLEANUP_EMPTY_NONE: ret {{.*}}, !dbg ![[CLEANUP_EMPTY_NONE_RET:.*]]
// CHECK_CLEANUP_EMPTY_NONE: ![[CLEANUP_EMPTY_NONE_RET]] = !DILocation(line: [[@LINE+1]], column: 1,
}
// RUN: FileCheck %s --check-prefix=CHECK_CLEANUP_SIMPLE_RET < %t.ll
// CHECK_CLEANUP_SIMPLE_RET: define {{.*}}cleanup_simple
public func cleanup_simple(a: NSString) -> Int64 {
if a.length > 24 {
return 0
}
return 1
// CHECK_CLEANUP_SIMPLE_RET: ret {{.*}}, !dbg ![[CLEANUP_SIMPLE_RET:.*]]
// CHECK_CLEANUP_SIMPLE_RET: ![[CLEANUP_SIMPLE_RET]] = !DILocation(line: [[@LINE+1]], column: 1,
}
// RUN: FileCheck %s --check-prefix=CHECK_CLEANUP_COMPLEX < %t.ll
// CHECK_CLEANUP_COMPLEX: define {{.*}}cleanup_complex
public func cleanup_complex(a: NSString) -> Int64 {
if a.length > 24 {
return Int64(a.length*a.length)
}
return Int64(a.length/2)
// CHECK_CLEANUP_COMPLEX: ret i{{.*}}, !dbg ![[CLEANUP_COMPLEX_RET:.*]]
// CHECK_CLEANUP_COMPLEX: ![[CLEANUP_COMPLEX_RET]] = !DILocation(line: [[@LINE+1]], column: 1,
}
// RUN: FileCheck %s --check-prefix=CHECK_CLEANUP_COMPLEX_SIMPLE < %t.ll
// CHECK_CLEANUP_COMPLEX_SIMPLE: define {{.*}}cleanup_complex_simple
public func cleanup_complex_simple(a: NSString) -> Int64 {
if a.length > 24 {
return Int64(a.length*a.length)
}
return 2
// CHECK_CLEANUP_COMPLEX_SIMPLE: ret {{.*}}, !dbg ![[CLEANUP_COMPLEX_SIMPLE_RET:.*]]
// CHECK_CLEANUP_COMPLEX_SIMPLE: ![[CLEANUP_COMPLEX_SIMPLE_RET]] = !DILocation(line: [[@LINE+1]], column: 1,
}
// RUN: FileCheck %s --check-prefix=CHECK_CLEANUP_SIMPLE_COMPLEX < %t.ll
// CHECK_CLEANUP_SIMPLE_COMPLEX: define {{.*}}cleanup_simple_complex
public func cleanup_simple_complex(a: NSString) -> Int64 {
if a.length > 24 {
return Int64(a.length*a.length)
}
return 2
// CHECK_CLEANUP_SIMPLE_COMPLEX: ret {{.*}}, !dbg ![[CLEANUP_SIMPLE_COMPLEX_RET:.*]]
// CHECK_CLEANUP_SIMPLE_COMPLEX: ![[CLEANUP_SIMPLE_COMPLEX_RET]] = !DILocation(line: [[@LINE+1]], column: 1,
}
// ---------------------------------------------------------------------