[compiler-rt] [llvm] [Memprof] Adds instrumentation support for memprof with histograms. (PR #100834)

[Teresa Johnson via llvm-commits]

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@@ -192,7 +195,8 @@ namespace {
 struct ShadowMapping {
   ShadowMapping() {
     Scale = ClMappingScale;
-    Granularity = ClMappingGranularity;
+    // Histogram Granularity is always 8U for now.
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teresajohnson wrote:

Add an assert then if the user specifies both ClHistogram and ClMappingGranularity.

https://github.com/llvm/llvm-project/pull/100834