[llvm-branch-commits] [clang] [Clang] Introduce -fsanitize=alloc-token (PR #156839)

[Hans Wennborg via llvm-branch-commits]

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@@ -1272,6 +1272,21 @@ void CodeGenFunction::EmitBoundsCheckImpl(const Expr *E, llvm::Value *Bound,
   EmitCheck(std::make_pair(Check, CheckKind), CheckHandler, StaticData, Index);
 }
 
+void CodeGenFunction::EmitAllocToken(llvm::CallBase *CB, QualType AllocType) {
+  assert(SanOpts.has(SanitizerKind::AllocToken) &&
+         "Only needed with -fsanitize=alloc-token");
+
+  PrintingPolicy Policy(CGM.getContext().getLangOpts());
+  Policy.SuppressTagKeyword = true;
+  Policy.FullyQualifiedName = true;
+  std::string TypeName = AllocType.getCanonicalType().getAsString(Policy);
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zmodem wrote:

Use a SmallString (with something like 256 bytes of buffer) to avoid heap allocation for typical cases?

https://github.com/llvm/llvm-project/pull/156839