llvm-svn: 50957

llvm-svn: 50952

llvm-svn: 50951

llvm-svn: 50950

llvm-svn: 50947

llvm-svn: 50946

llvm-svn: 50944

llvm-svn: 50943

llvm-svn: 50941

llvm-svn: 50940

llvm-svn: 50935

llvm-svn: 50931

than silently generate invalid code.

llvm-gcc does not currently use VAArgInst; it lowers va_arg in the
front-end.

llvm-svn: 50930

llvm-svn: 50929

llvm-svn: 50928

If all sources of a PHI node are defined by an implicit_def, just emit an implicit_def instead of a copy.

llvm-svn: 50927

 - Comment fixes.
 - Moar whitespace.
 - Made ivars "private" by default.
No functionality change.

llvm-svn: 50926

llvm-svn: 50922

no functional change.

llvm-svn: 50921

Note, some of the code will be moved into target independent part of DAG combiner in a subsequent patch.

llvm-svn: 50918

llvm-svn: 50917

case where there are multiple blocks with a large
number of common tail instructions more efficiently
(compile time optimization).

llvm-svn: 50916

clashes on ::X

llvm-svn: 50912

llvm-svn: 50911

llvm-svn: 50910

llvm-svn: 50908

crash on kimwitu++.

llvm-svn: 50901

llvm-svn: 50900

Fixed the build breakage, sorry for that.

llvm-svn: 50895

llvm-svn: 50883

   ~x < ~y --> y < x
   -x == -y --> x == y

llvm-svn: 50882

llvm-svn: 50881

llvm-svn: 50880

llvm-svn: 50878

llvm-svn: 50874

llvm-svn: 50872

llvm-svn: 50871

llvm-svn: 50869

llvm-svn: 50868

llvm-svn: 50867