[compiler-rt] [llvm] [TySan] Add option to outline instrumentation (PR #120582)
via llvm-commits
llvm-commits at lists.llvm.org
Mon Jun 23 05:33:11 PDT 2025
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@@ -591,6 +633,29 @@ bool TypeSanitizer::instrumentWithShadowUpdate(
Value *TD = IRB.CreateBitCast(TDGV, IRB.getPtrTy());
+ if (ClOutlineInstrumentation) {
+ if (!ForceSetType && (!ClWritesAlwaysSetType || IsRead)) {
+ // We need to check the type here. If the type is unknown, then the read
+ // sets the type. If the type is known, then it is checked. If the type
+ // doesn't match, then we call the runtime (which may yet determine that
+ // the mismatch is okay).
+
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gbMattN wrote:
Ah, yes I'll clarify that its the runtime type check
https://github.com/llvm/llvm-project/pull/120582
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