Refactor LSRA's heuristics selection (dotnet#52832)

* refactor lsra * Add missing return condition * Minor cleanup - summary docs - Removed DEFAULT_ORDER - Added order seq ID * jit format * fix linux build * review feedback * Remove TODO
shadow-cs · May 19, 2021 · 8868e97 · 8868e97
1 parent 6ec2fba
commit 8868e97
Show file tree

Hide file tree

Showing 5 changed files with 7,684 additions and 7,324 deletions.
diff --git a/src/coreclr/jit/CMakeLists.txt b/src/coreclr/jit/CMakeLists.txt
@@ -213,6 +213,8 @@ if (CLR_CMAKE_TARGET_WIN32)
     loopcloningopts.h
     lower.h
     lsra_reftypes.h
+    lsra_stats.h
+    lsra_score.h
     lsra.h
     namedintrinsiclist.h
     objectalloc.h

diff --git a/src/coreclr/jit/jitconfigvalues.h b/src/coreclr/jit/jitconfigvalues.h
@@ -29,6 +29,7 @@ CONFIG_INTEGER(DisplayLoopHoistStats, W("JitLoopHoistStats"), 0) // Display JIT
 CONFIG_INTEGER(DisplayLsraStats, W("JitLsraStats"), 0) // Display JIT Linear Scan Register Allocator statistics
                                                        // if set to 1. If set to "2", display the stats in csv format.
                                                        // Recommended to use with JitStdOutFile flag.
+CONFIG_STRING(JitLsraOrdering, W("JitLsraOrdering"))   // LSRA heuristics ordering
 CONFIG_INTEGER(DumpJittedMethods, W("DumpJittedMethods"), 0) // Prints all jitted methods to the console
 CONFIG_INTEGER(EnablePCRelAddr, W("JitEnablePCRelAddr"), 1)  // Whether absolute addr be encoded as PC-rel offset by
                                                              // RyuJIT where possible