[clang] [llvm] [PseudoProbe] Mix and reorder block and call probe ID in lexical order (PR #75092)

[via cfe-commits]

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@@ -2112,6 +2112,14 @@ bool SampleProfileLoader::doInitialization(Module &M,
                                                DS_Warning));
       return false;
     }
+
+    if (!FunctionSamples::ProfileIsMixedProbeOrder) {
+      const char *Msg =
+          "Pseudo-probe-based profile is on an old version ID order which "
+          "could cause profile mismatch(performance regression)";
+      Ctx.diagnose(DiagnosticInfoSampleProfile(M.getModuleIdentifier(), Msg,
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WenleiHe wrote:

Make this an error so issues like this won't go unnoticed? 

also:
`cause profile mismatch(performance regression`
->
`cause performance regression due to profile mismatch`

https://github.com/llvm/llvm-project/pull/75092