[BOLT] Rename cds to cdsort (#69966)

Unify naming for the layout algorithms by renaming "cds" to "cdsort".
This is
NFC unless someone is already using the new algorithm (which is
unlikely).

Author: spupyrev

bolt/include/bolt/Passes/ReorderFunctions.h

@@ -32,7 +32,7 @@ class ReorderFunctions : public BinaryFunctionPass {
     RT_EXEC_COUNT,
     RT_HFSORT,
     RT_HFSORT_PLUS,
-    RT_CDS,
+    RT_CDSORT,
     RT_PETTIS_HANSEN,
     RT_RANDOM,
     RT_USER

bolt/lib/Passes/ReorderFunctions.cpp

@@ -42,7 +42,7 @@ cl::opt<bolt::ReorderFunctions::ReorderType> ReorderFunctions(
                           "use hfsort algorithm"),
                clEnumValN(bolt::ReorderFunctions::RT_HFSORT_PLUS, "hfsort+",
                           "use hfsort+ algorithm"),
-               clEnumValN(bolt::ReorderFunctions::RT_CDS, "cds",
+               clEnumValN(bolt::ReorderFunctions::RT_CDSORT, "cdsort",
                           "use cache-directed sort"),
                clEnumValN(bolt::ReorderFunctions::RT_PETTIS_HANSEN,
                           "pettis-hansen", "use Pettis-Hansen algorithm"),
@@ -322,7 +322,7 @@ void ReorderFunctions::runOnFunctions(BinaryContext &BC) {
   case RT_HFSORT_PLUS:
     Clusters = hfsortPlus(Cg);
     break;
-  case RT_CDS: {
+  case RT_CDSORT: {
     // It is required that the sum of incoming arc weights is not greater
     // than the number of samples for every function. Ensuring the call graph
     // obeys the property before running the algorithm.