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// RUN: %target-swift-frontend %s -emit-ir -g -o - | %FileCheck %s
@frozen
public struct UnicodeScalar {
var _value: UInt32
public var value: UInt32 { return _value }
}
public func mangle(s: [UnicodeScalar]) -> [UnicodeScalar] {
let replacementUnichar = UnicodeScalar(_value: 0)
var mangledUnichars: [UnicodeScalar] = s.map {
switch $0.value {
case
// A-Z
0x0041...0x005A,
// a-z
0x0061...0x007A,
// 0-9
0x0030...0x0039,
// _
0x005F,
// Latin (1)
0x00AA...0x00AA:
return $0
default:
return replacementUnichar
}
}
return mangledUnichars
}
// The patterns in the first case statement each define an anonymous variable,
// which shares the storage with the expression in the switch statement.
// Do we care to expose these via lldb?
// CHECK: define {{.*}}@"$s11patternvars6mangle1sSayAA13UnicodeScalarVGAF_tFA2EXEfU_"
// CHECK: %[[VAL:[0-9]+]] = call swiftcc i32 @"$s11patternvars13UnicodeScalarV5values6UInt32Vvg"(
// CHECK: {{[0-9]+}}:
// CHECK-NOT: call void @llvm.dbg.value
// CHECK-NOT: call void asm sideeffect "", "r"
// CHECK: {{[0-9]+}}:
// CHECK-NOT: call void @llvm.dbg.value
// CHECK-NOT: call void asm sideeffect "", "r"
// CHECK: {{[0-9]+}}:
// CHECK-NOT: call void @llvm.dbg.value
// CHECK-NOT: call void asm sideeffect "", "r"
// CHECK: {{[0-9]+}}:
// CHECK-NOT: call void @llvm.dbg.value
// CHECK-NOT: call void asm sideeffect "", "r"
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