================
@@ -2779,13 +2779,47 @@ void
CodeGenFunction::EmitTypeMetadataCodeForVCall(const CXXRecordDecl *RD,
}
}
+std::pair<SanitizerKind::SanitizerOrdinal, llvm::SanitizerStatKind>
+CodeGenFunction::ParseCFITypeCheckKind(CFITypeCheckKind TCK) {
+ SanitizerKind::SanitizerOrdinal M;
+ llvm::SanitizerStatKind SSK;
+
+ switch (TCK) {
+ case CFITCK_VCall:
+ M = SanitizerKind::SO_CFIVCall;
+ SSK = llvm::SanStat_CFI_VCall;
+ break;
+ case CFITCK_NVCall:
+ M = SanitizerKind::SO_CFINVCall;
+ SSK = llvm::SanStat_CFI_NVCall;
+ break;
+ case CFITCK_DerivedCast:
+ M = SanitizerKind::SO_CFIDerivedCast;
+ SSK = llvm::SanStat_CFI_DerivedCast;
+ break;
+ case CFITCK_UnrelatedCast:
+ M = SanitizerKind::SO_CFIUnrelatedCast;
+ SSK = llvm::SanStat_CFI_UnrelatedCast;
+ break;
+ case CFITCK_ICall:
+ case CFITCK_NVMFCall:
+ case CFITCK_VMFCall:
+ llvm_unreachable("unexpected sanitizer kind");
+ }
+
+ return std::make_pair(M, SSK);
+}
+
void CodeGenFunction::EmitVTablePtrCheckForCall(const CXXRecordDecl *RD,
llvm::Value *VTable,
CFITypeCheckKind TCK,
SourceLocation Loc) {
if (!SanOpts.has(SanitizerKind::CFICastStrict))
RD = LeastDerivedClassWithSameLayout(RD);
+ auto [Ordinal, SSK] = ParseCFITypeCheckKind(TCK);
----------------
delcypher wrote:
Is `SSK` unused?
https://github.com/llvm/llvm-project/pull/139809
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