[PATCH] D87953: [xray] Function coverage groups

[Fangrui Song via Phabricator via cfe-commits]

MaskRay added inline comments.


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Comment at: clang/lib/CodeGen/CodeGenFunction.cpp:814
+    auto FuncGroups = CGM.getCodeGenOpts().XRayTotalFunctionGroups;
+    if (FuncGroups > 1) {
+      auto FuncName = ArrayRef<uint8_t>(CurFn->getName().bytes_begin(),
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kyulee wrote:
> MaskRay wrote:
> > For one group, the branch is skipped, which does not seem correct
> Should we check or assert `XRaySelectedFunctionGroups > 0` && `XRaySelectedFunctionGroup < XRaySelectedFunctionGroups` or the former at minimum?
Such checks are usually done in Driver. In CodeGen, as long as it doesn't crash, there is no need imposing stricter checks.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D87953/new/

https://reviews.llvm.org/D87953