[clang] [compiler-rt] [llvm] [InstrProf] Single byte counters in coverage (PR #75425)

[Alan Phipps via cfe-commits]

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@@ -1519,38 +1543,53 @@ struct CounterCoverageMappingBuilder
     }
 
     // Create Branch Region around condition.
-    createBranchRegion(S->getCond(), BodyCount,
-                       subtractCounters(CondCount, BodyCount));
+    if (!llvm::EnableSingleByteCoverage)
+      createBranchRegion(S->getCond(), BodyCount,
+                         subtractCounters(CondCount, BodyCount));
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evodius96 wrote:

I may have missed it, but do you plan to handle branch regions at some point with explicit byte counters?

https://github.com/llvm/llvm-project/pull/75425