llvm-svn: 31036

llvm-svn: 31034

Added workaround for linker bug with linkonce sections.
Changed sections prefix to allow linker merge them
(PE loader doesn't like too much long-named sections :) )
All of this unbreaks libstdc++ on mingw32 allowing (small)
programs to be compiled, linked and run.

llvm-svn: 31033

llvm-svn: 31028

llvm-svn: 31027

llvm-svn: 31024

llvm-svn: 31014

llvm-svn: 31013

llvm-svn: 31012

targets.

llvm-svn: 31011

llvm-svn: 31008

llvm-svn: 31003

llvm-svn: 31002

llvm-svn: 30998

llvm-svn: 30996

llvm-svn: 30995

llvm-svn: 30994

llvm-svn: 30993

llvm-svn: 30992

llvm-svn: 30990

llvm-svn: 30988

llvm-svn: 30987

llvm-svn: 30986

llvm-svn: 30985

llvm-svn: 30981

llvm-svn: 30980

llvm-svn: 30979

llvm-svn: 30978

llvm-svn: 30977

llvm-svn: 30976

llvm-svn: 30975

llvm-svn: 30974

llvm-svn: 30973

llvm-svn: 30964

llvm-svn: 30963

use non trapping comparison instructions

llvm-svn: 30962

being matched and ensure there isn't a non-direct path to the load (i.e. a
path that goes out of the sub-dag.)

llvm-svn: 30958

llvm-svn: 30946

llvm-svn: 30945

llvm-svn: 30938