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// RUN: %target-swift-frontend -parse-as-library -O -emit-ir %s | %FileCheck %s
// RUN: %target-swift-frontend -parse-as-library -Osize -emit-ir %s | %FileCheck %s
// REQUIRES: swift_stdlib_no_asserts,optimized_stdlib
// 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
// FIXME(rdar://problem/45856408): The 7-bit discriminator complicates codegen
// on 32-bit platforms.
// UNSUPPORTED: PTRSIZE=32
// This is an end-to-end test to ensure that the optimizer generates
// optimal code for string literals
// CHECK-LABEL: define {{.*}}test_create_verysmallstring
// CHECK: entry:
// CHECK-NEXT: ret {{.*}}
// CHECK-NEXT: }
public func test_create_verysmallstring() -> String {
return "a"
}
// CHECK-LABEL: define {{.*}}test_create_smallstring
// CHECK: entry:
// CHECK-NEXT: ret {{.*}}
// CHECK-NEXT: }
public func test_create_smallstring() -> String {
return "abcdefghijkl012"
}
// CHECK-LABEL: define {{.*}}test_create_largestring
// CHECK-NOT: load
// CHECK-NOT: call
// CHECK: ret
public func test_create_largestring() -> String {
return "abcdefghijkl012qwerqwer"
}
// CHECK-LABEL: define {{.*}}test_create_unicode
// CHECK-NOT: load
// CHECK-NOT: call
// CHECK: ret
public func test_create_unicode() -> String {
return "❄️gastroperiodyni"
}
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