================
@@ -6048,13 +6048,23 @@ RValue CodeGenFunction::EmitCall(const CGFunctionInfo
&CallInfo,
if (getDebugInfo() && TargetDecl && TargetDecl->hasAttr<MSAllocatorAttr>())
getDebugInfo()->addHeapAllocSiteMetadata(CI, RetTy->getPointeeType(), Loc);
- // Add metadata if calling an __attribute__((error(""))) or warning fn.
- if (TargetDecl && TargetDecl->hasAttr<ErrorAttr>()) {
- llvm::ConstantInt *Line =
- llvm::ConstantInt::get(Int64Ty, Loc.getRawEncoding());
- llvm::ConstantAsMetadata *MD = llvm::ConstantAsMetadata::get(Line);
- llvm::MDTuple *MDT = llvm::MDNode::get(getLLVMContext(), {MD});
- CI->setMetadata("srcloc", MDT);
+ // Add srcloc metadata for [[gnu::error/warning]] diagnostics.
+ // When ShowInliningChain is enabled, also track inline/static calls for the
+ // heuristic fallback when debug info is not available.
----------------
nickdesaulniers wrote:
It may be worth noting in this comment that this is conservative; just because
the function is marked static or always_inline does not 100% guaruntee inline
substitution _will_ be performed by the middle end.
https://github.com/llvm/llvm-project/pull/174892
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