mirror of
https://github.com/apple/swift.git
synced 2026-06-20 15:42:51 +02:00
Erik Eckstein
144 lines
3.8 KiB
Swift
144 lines
3.8 KiB
Swift
// RUN: %target-swift-frontend -O -emit-ir %s | %FileCheck %s
|
|
// RUN: %target-swift-frontend -Osize -emit-ir %s | %FileCheck %s
|
|
|
|
// RUN: %empty-directory(%t)
|
|
// RUN: %target-build-swift -O -module-name=test %s -o %t/a.out
|
|
// RUN: %target-run %t/a.out | %FileCheck %s -check-prefix=CHECK-OUTPUT
|
|
|
|
// REQUIRES: executable_test,swift_stdlib_no_asserts
|
|
// REQUIRES: CPU=arm64 || CPU=x86_64
|
|
// REQUIRES: swift_in_compiler
|
|
|
|
// The required relocation format for a single return LLVM instruction are not necessarily
|
|
// supported on object file formats other than Mach-O.
|
|
// REQUIRES: OS=macosx || OS=ios || OS=tvos || OS=watchOS || OS=xros
|
|
|
|
// This is an end-to-end test to ensure that the optimizer generates
|
|
// optimal code for static String variables.
|
|
|
|
public struct S {
|
|
// CHECK: {{^@"}}[[SMALL:.*smallstr.*pZ]]" ={{.*}} constant {{.*}} inttoptr
|
|
public static let smallstr = "abc123a"
|
|
// CHECK: {{^@"}}[[LARGE:.*largestr.*pZ]]" ={{.*}} constant {{.*}} inttoptr {{.*}} add
|
|
public static let largestr = "abc123asd3sdj3basfasdf"
|
|
// CHECK: {{^@"}}[[UNICODE:.*unicodestr.*pZ]]" ={{.*}} constant {{.*}} inttoptr {{.*}} add
|
|
public static let unicodestr = "❄️gastroperiodyni"
|
|
// CHECK: {{^@"}}[[EMPTY:.*emptystr.*pZ]]" ={{.*}} constant {{.*}} inttoptr
|
|
public static let emptystr = ""
|
|
}
|
|
|
|
// unsafeMutableAddressor for S.smallstr
|
|
// CHECK: define {{.*smallstr.*}}u"
|
|
// CHECK-NEXT: entry:
|
|
// CHECK-NEXT: ret {{.*}} @"[[SMALL]]"
|
|
// CHECK-NEXT: }
|
|
|
|
// getter for S.smallstr
|
|
// CHECK: define {{.*smallstr.*}}gZ"
|
|
// CHECK-NEXT: entry:
|
|
// CHECK-NEXT: ret {{.*}}
|
|
// CHECK-NEXT: }
|
|
|
|
// unsafeMutableAddressor for S.largestr
|
|
// CHECK: define {{.*largestr.*}}u"
|
|
// CHECK-NEXT: entry:
|
|
// CHECK-NEXT: ret {{.*}} @"[[LARGE]]"
|
|
// CHECK-NEXT: }
|
|
|
|
// getter for S.largestr
|
|
// CHECK: define {{.*largestr.*}}gZ"
|
|
// CHECK-NOT: load
|
|
// CHECK-NOT: call
|
|
// CHECK: ret
|
|
|
|
// unsafeMutableAddressor for S.unicodestr
|
|
// CHECK: define {{.*unicodestr.*}}u"
|
|
// CHECK-NEXT: entry:
|
|
// CHECK-NEXT: ret {{.*}} @"[[UNICODE]]"
|
|
// CHECK-NEXT: }
|
|
|
|
// getter for S.unicodestr
|
|
// CHECK: define {{.*unicodestr.*}}gZ"
|
|
// CHECK-NOT: load
|
|
// CHECK-NOT: call
|
|
// CHECK: ret
|
|
|
|
// unsafeMutableAddressor for S.emptystr
|
|
// CHECK: define {{.*emptystr.*}}u"
|
|
// CHECK-NEXT: entry:
|
|
// CHECK-NEXT: ret {{.*}} @"[[EMPTY]]"
|
|
// CHECK-NEXT: }
|
|
|
|
// getter for S.emptystr
|
|
// CHECK: define {{.*emptystr.*}}gZ"
|
|
// CHECK-NEXT: entry:
|
|
// CHECK-NEXT: ret {{.*}}
|
|
// CHECK-NEXT: }
|
|
|
|
// CHECK-LABEL: define {{.*}}get_smallstr
|
|
// CHECK: entry:
|
|
// CHECK-NEXT: ret {{.*}}
|
|
// CHECK-NEXT: }
|
|
@inline(never)
|
|
public func get_smallstr() -> String {
|
|
return S.smallstr
|
|
}
|
|
|
|
// CHECK-LABEL: define {{.*}}get_largestr
|
|
// CHECK-NOT: load
|
|
// CHECK-NOT: call
|
|
// CHECK: ret
|
|
@inline(never)
|
|
public func get_largestr() -> String {
|
|
return S.largestr
|
|
}
|
|
|
|
// CHECK-LABEL: define {{.*}}get_unicodestr
|
|
// CHECK-NOT: load
|
|
// CHECK-NOT: call
|
|
// CHECK: ret
|
|
@inline(never)
|
|
public func get_unicodestr() -> String {
|
|
return S.unicodestr
|
|
}
|
|
|
|
// CHECK-LABEL: define {{.*}}get_emptystr
|
|
// CHECK: entry:
|
|
// CHECK-NEXT: ret {{.*}}
|
|
// CHECK-NEXT: }
|
|
@inline(never)
|
|
public func get_emptystr() -> String {
|
|
return S.emptystr
|
|
}
|
|
|
|
// Really load the globals from their addresses.
|
|
@_optimize(none)
|
|
func print_strings_from_addressors() {
|
|
print(S.smallstr)
|
|
print(S.largestr)
|
|
print(S.unicodestr)
|
|
print("<\(S.emptystr)>")
|
|
}
|
|
|
|
@inline(never)
|
|
func testit() {
|
|
// Also check if the generated code is correct.
|
|
|
|
// CHECK-OUTPUT: abc123a
|
|
// CHECK-OUTPUT: abc123asd3sdj3basfasdf
|
|
// CHECK-OUTPUT: ❄️gastroperiodyni
|
|
// CHECK-OUTPUT: <>
|
|
print(get_smallstr())
|
|
print(get_largestr())
|
|
print(get_unicodestr())
|
|
print("<\(get_emptystr())>")
|
|
|
|
// CHECK-OUTPUT: abc123a
|
|
// CHECK-OUTPUT: abc123asd3sdj3basfasdf
|
|
// CHECK-OUTPUT: ❄️gastroperiodyni
|
|
// CHECK-OUTPUT: <>
|
|
print_strings_from_addressors()
|
|
}
|
|
|
|
testit()
|