Reorder methods alphabetically. No functionality change.

[oota-llvm.git] / lib / CodeGen / README.txt

diff --git a/lib/CodeGen/README.txt b/lib/CodeGen/README.txt
index fc59cdf86401aa89298136b82892c1ca8fa00814..d5ddd217962100d8b2c0c70e867dee3ae9282d64 100644 (file)
--- a/lib/CodeGen/README.txt
+++ b/lib/CodeGen/README.txt
@@ -187,3 +187,22 @@ revisited. The check is there to work around a misuse of directives in inline
 assembly.
 
 //===---------------------------------------------------------------------===//
+
+It would be good to detect collector/target compatibility instead of silently
+doing the wrong thing.
+
+//===---------------------------------------------------------------------===//
+
+It would be really nice to be able to write patterns in .td files for copies,
+which would eliminate a bunch of explicit predicates on them (e.g. no side 
+effects).  Once this is in place, it would be even better to have tblgen 
+synthesize the various copy insertion/inspection methods in TargetInstrInfo.
+
+//===---------------------------------------------------------------------===//
+
+Stack coloring improvments:
+
+1. Do proper LiveStackAnalysis on all stack objects including those which are
+   not spill slots.
+2. Reorder objects to fill in gaps between objects.
+   e.g. 4, 1, <gap>, 4, 1, 1, 1, <gap>, 4 => 4, 1, 1, 1, 1, 4, 4