llvm-svn: 29952

Move isCommutativeBinOp from SelectionDAG.cpp and DAGCombiner.cpp out. Make it a static method of SelectionDAG.

llvm-svn: 29951

llvm-svn: 29950

there are clearly some encoding bugs lurking in there somewhere.

llvm-svn: 29949

llvm-svn: 29948

and simplifies expressions. This implements the optimization described
in PR807.

llvm-svn: 29947

llvm-svn: 29946

llvm-svn: 29945

Add an optional pass to preprocess the DAG before x86 isel to allow selecting more load/mod/store instructions.

llvm-svn: 29943

llvm-svn: 29941

llvm-svn: 29940

llvm-svn: 29939

llvm-svn: 29938

Fixed some inconsistencies with format. Corrected some of the text.
Put code inside of "code" div tags.

llvm-svn: 29937

gccas on 252.eon

llvm-svn: 29936

llvm-svn: 29935

Close out this long standing bug by removing the remaining overloaded
virtual functions in LLVM. The -Woverloaded-virtual option is now turned on.

llvm-svn: 29934

llvm-svn: 29933

llvm-svn: 29932

where appropriate.

llvm-svn: 29931

llvm-svn: 29930

llvm-svn: 29929

llvm-svn: 29928

llvm-svn: 29927

llvm-svn: 29926

llvm-svn: 29925

llvm-svn: 29924

llvm-svn: 29923

llvm-svn: 29922

llvm-svn: 29921

something is a pass vs an analysis group now.  Simplify interfaces.

llvm-svn: 29920

llvm-svn: 29919

llvm-svn: 29918

llvm-svn: 29917

llvm-svn: 29916

'autodetect .ll files' functionality.

llvm-svn: 29915

but that's not the ppc backend's fault.

llvm-svn: 29914

llvm-svn: 29913

llvm-svn: 29912

llvm-svn: 29911