Add MethodImplOptions.AggressiveOptimization and use it for tiering (#20009)

Add MethodImplOptions.AggressiveOptimization and use it for tiering

Part of fix for https://github.com/dotnet/corefx/issues/32235
Workaround for https://github.com/dotnet/coreclr/issues/19751
- Added and set CORJIT_FLAG_AGGRESSIVE_OPT to indicate that a method is flagged with AggressiveOptimization
- For a method flagged with AggressiveOptimization, tiering uses a foreground tier 1 JIT on first call to the method, skipping the tier 0 JIT and call counting
- When tiering is disabled, a method flagged with AggressiveOptimization does not use r2r-pregenerated code
- R2r crossgen does not generate code for a method flagged with AggressiveOptimization

1 files changed, 1 insertions, 0 deletions

diff --git a/src/ildasm/dasm.cpp b/src/ildasm/dasm.cpp
index 414ebba876..f0796c4612 100644
--- a/src/ildasm/dasm.cpp
+++ b/src/ildasm/dasm.cpp
@@ -3647,6 +3647,7 @@ lDone: ;
     if(IsMiNoInlining(dwImplAttrs))         szptr+=sprintf_s(szptr,SZSTRING_REMAINING_SIZE(szptr)," noinlining");
     if(IsMiAggressiveInlining(dwImplAttrs)) szptr+=sprintf_s(szptr,SZSTRING_REMAINING_SIZE(szptr)," aggressiveinlining");
     if(IsMiNoOptimization(dwImplAttrs))     szptr+=sprintf_s(szptr,SZSTRING_REMAINING_SIZE(szptr)," nooptimization");
+    if(IsMiAggressiveOptimization(dwImplAttrs)) szptr+=sprintf_s(szptr,SZSTRING_REMAINING_SIZE(szptr)," aggressiveoptimization");
     szptr+=sprintf_s(szptr,SZSTRING_REMAINING_SIZE(szptr),KEYWORD((char*)-1));
     printLine(GUICookie, szString);
     VDELETE(buff);