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[ADT] Mark StringSwitch Cases with 6+ arguments as deprecated. NFC. #163405

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Oct 15, 2025
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[ADT] Mark StringSwitch Cases with 6+ arguments as deprecated. NFC. #163405

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8 changes: 7 additions & 1 deletion llvm/include/llvm/ADT/StringSwitch.h
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,7 @@
#define LLVM_ADT_STRINGSWITCH_H

#include "llvm/ADT/StringRef.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/ErrorHandling.h"
#include <cassert>
#include <cstring>
Expand All @@ -38,7 +39,7 @@ namespace llvm {
/// .Case("green", Green)
/// .Case("blue", Blue)
/// .Case("indigo", Indigo)
/// .Cases("violet", "purple", Violet)
/// .Cases({"violet", "purple"}, Violet)
/// .Default(UnknownColor);
/// \endcode
template<typename T, typename R = T>
Expand Down Expand Up @@ -107,31 +108,36 @@ class StringSwitch {
return CasesImpl(Value, {S0, S1, S2, S3, S4});
}

[[deprecated("Pass cases in std::initializer_list instead")]]
StringSwitch &Cases(StringLiteral S0, StringLiteral S1, StringLiteral S2,
StringLiteral S3, StringLiteral S4, StringLiteral S5,
T Value) {
return CasesImpl(Value, {S0, S1, S2, S3, S4, S5});
}

[[deprecated("Pass cases in std::initializer_list instead")]]
StringSwitch &Cases(StringLiteral S0, StringLiteral S1, StringLiteral S2,
StringLiteral S3, StringLiteral S4, StringLiteral S5,
StringLiteral S6, T Value) {
return CasesImpl(Value, {S0, S1, S2, S3, S4, S5, S6});
}

[[deprecated("Pass cases in std::initializer_list instead")]]
StringSwitch &Cases(StringLiteral S0, StringLiteral S1, StringLiteral S2,
StringLiteral S3, StringLiteral S4, StringLiteral S5,
StringLiteral S6, StringLiteral S7, T Value) {
return CasesImpl(Value, {S0, S1, S2, S3, S4, S5, S6, S7});
}

[[deprecated("Pass cases in std::initializer_list instead")]]
StringSwitch &Cases(StringLiteral S0, StringLiteral S1, StringLiteral S2,
StringLiteral S3, StringLiteral S4, StringLiteral S5,
StringLiteral S6, StringLiteral S7, StringLiteral S8,
T Value) {
return CasesImpl(Value, {S0, S1, S2, S3, S4, S5, S6, S7, S8});
}

[[deprecated("Pass cases in std::initializer_list instead")]]
StringSwitch &Cases(StringLiteral S0, StringLiteral S1, StringLiteral S2,
StringLiteral S3, StringLiteral S4, StringLiteral S5,
StringLiteral S6, StringLiteral S7, StringLiteral S8,
Expand Down
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