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Remove the CFIType TargetOption as it is unused.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@235266 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -231,19 +231,6 @@ FCFI("fcfi",
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cl::desc("Apply forward-edge control-flow integrity"),
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cl::init(false));
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cl::opt<llvm::CFIntegrity>
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CFIType("cfi-type",
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cl::desc("Choose the type of Control-Flow Integrity check to add"),
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cl::init(CFIntegrity::Sub),
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cl::values(
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clEnumValN(CFIntegrity::Sub, "sub",
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"Subtract the pointer from the table base, then mask."),
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clEnumValN(CFIntegrity::Ror, "ror",
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"Use rotate to check the offset from a table base."),
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clEnumValN(CFIntegrity::Add, "add",
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"Mask out the high bits and add to an aligned base."),
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clEnumValEnd));
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cl::opt<bool>
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CFIEnforcing("cfi-enforcing",
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cl::desc("Enforce CFI or pass the violation to a function."),
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@ -293,7 +280,6 @@ static inline TargetOptions InitTargetOptionsFromCodeGenFlags() {
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Options.MCOptions = InitMCTargetOptionsFromFlags();
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Options.JTType = JTableType;
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Options.FCFI = FCFI;
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Options.CFIType = CFIType;
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Options.CFIEnforcing = CFIEnforcing;
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Options.CFIFuncName = CFIFuncName;
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@ -57,14 +57,6 @@ namespace llvm {
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};
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}
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enum class CFIntegrity {
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Sub, // Use subtraction-based checks.
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Ror, // Use rotation-based checks.
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Add // Use addition-based checks. This depends on having
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// sufficient alignment in the code and is usually not
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// feasible.
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};
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class TargetOptions {
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public:
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TargetOptions()
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@ -82,7 +74,7 @@ namespace llvm {
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TrapFuncName(), FloatABIType(FloatABI::Default),
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AllowFPOpFusion(FPOpFusion::Standard), JTType(JumpTable::Single),
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FCFI(false), ThreadModel(ThreadModel::POSIX),
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CFIType(CFIntegrity::Sub), CFIEnforcing(false), CFIFuncName() {}
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CFIEnforcing(false), CFIFuncName() {}
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/// PrintMachineCode - This flag is enabled when the -print-machineinstrs
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/// option is specified on the command line, and should enable debugging
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@ -238,10 +230,6 @@ namespace llvm {
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/// for things like atomics
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ThreadModel::Model ThreadModel;
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/// CFIType - This flag specifies the type of control-flow integrity check
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/// to add as a preamble to indirect calls.
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CFIntegrity CFIType;
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/// CFIEnforcing - This flags controls whether or not CFI violations cause
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/// the program to halt.
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bool CFIEnforcing;
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@ -282,7 +270,6 @@ inline bool operator==(const TargetOptions &LHS,
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ARE_EQUAL(JTType) &&
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ARE_EQUAL(FCFI) &&
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ARE_EQUAL(ThreadModel) &&
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ARE_EQUAL(CFIType) &&
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ARE_EQUAL(CFIEnforcing) &&
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ARE_EQUAL(CFIFuncName) &&
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ARE_EQUAL(MCOptions);
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