LLVM: Huge improvement to mangler speed.
LLVM: Huge improvement to mangler speed.

The old llvm mangler was horrible! Very slow
due to bad design and code. New version is
linear complexity as it should be and far
lower coefficients. This fixes trac 4838.

GaloisInc/halvm-ghc,spacekitteh/smcghc,christiaanb/ghc,bitemyapp/ghc,ezyang/ghc,ryantm/ghc,nkaretnikov/ghc,wxwxwwxxx/ghc,mcschroeder/ghc,nomeata/ghc,ghc-android/ghc,ilyasergey/GHC-XAppFix,forked-upstream-packages-for-ghcjs/ghc,vikraman/ghc,fmthoma/ghc,nushio3/ghc,christiaanb/ghc,mettekou/ghc,anton-dessiatov/ghc,lukexi/ghc,green-haskell/ghc,snoyberg/ghc,lukexi/ghc,olsner/ghc,mcmaniac/ghc,da-x/ghc,fmthoma/ghc,ilyasergey/GHC-XAppFix,siddhanathan/ghc,AlexanderPankiv/ghc,tibbe/ghc,lukexi/ghc,olsner/ghc,mcschroeder/ghc,nomeata/ghc,GaloisInc/halvm-ghc,da-x/ghc,christiaanb/ghc,sdiehl/ghc,gcampax/ghc,urbanslug/ghc,ml9951/ghc,ghc-android/ghc,AlexanderPankiv/ghc,olsner/ghc,vikraman/ghc,olsner/ghc,snoyberg/ghc,acowley/ghc,hferreiro/replay,ml9951/ghc,holzensp/ghc,ml9951/ghc,shlevy/ghc,siddhanathan/ghc,holzensp/ghc,wxwxwwxxx/ghc,spacekitteh/smcghc,shlevy/ghc,shlevy/ghc,urbanslug/ghc,holzensp/ghc,ml9951/ghc,ilyasergey/GHC-XAppFix,ezyang/ghc,gridaphobe/ghc,nkaretnikov/ghc,lukexi/ghc,spacekitteh/smcghc,oldmanmike/ghc,TomMD/ghc,AlexanderPankiv/ghc,da-x/ghc,acowley/ghc,oldmanmike/ghc,wxwxwwxxx/ghc,siddhanathan/ghc,forked-upstream-packages-for-ghcjs/ghc,ekmett/ghc,holzensp/ghc,gridaphobe/ghc,lukexi/ghc,GaloisInc/halvm-ghc,tibbe/ghc,mcschroeder/ghc,christiaanb/ghc,anton-dessiatov/ghc,TomMD/ghc,mfine/ghc,ml9951/ghc,jstolarek/ghc,elieux/ghc,ryantm/ghc,mcmaniac/ghc,elieux/ghc,ghc-android/ghc,ekmett/ghc,vikraman/ghc,TomMD/ghc,sgillespie/ghc,snoyberg/ghc,da-x/ghc,wxwxwwxxx/ghc,anton-dessiatov/ghc,GaloisInc/halvm-ghc,fmthoma/ghc,vikraman/ghc,mettekou/ghc,holzensp/ghc,ilyasergey/GHC-XAppFix,nushio3/ghc,christiaanb/ghc,wxwxwwxxx/ghc,olsner/ghc,nathyong/microghc-ghc,hferreiro/replay,sgillespie/ghc,gridaphobe/ghc,mettekou/ghc,sdiehl/ghc,AlexanderPankiv/ghc,urbanslug/ghc,spacekitteh/smcghc,mfine/ghc,olsner/ghc,hferreiro/replay,siddhanathan/ghc,forked-upstream-packages-for-ghcjs/ghc,nushio3/ghc,hferreiro/replay,TomMD/ghc,elieux/ghc,tjakway/ghcjvm,fmthoma/ghc,GaloisInc/halvm-ghc,gridaphobe/ghc,mcmaniac/ghc,nkaretnikov/ghc,ezyang/ghc,mcschroeder/ghc,jstolarek/ghc,nushio3/ghc,oldmanmike/ghc,christiaanb/ghc,nathyong/microghc-ghc,ml9951/ghc,hferreiro/replay,jstolarek/ghc,christiaanb/ghc,gridaphobe/ghc,gcampax/ghc,tibbe/ghc,sdiehl/ghc,tjakway/ghcjvm,tjakway/ghcjvm,anton-dessiatov/ghc,snoyberg/ghc,forked-upstream-packages-for-ghcjs/ghc,ghc-android/ghc,GaloisInc/halvm-ghc,lukexi/ghc-7.8-arm64,gcampax/ghc,mettekou/ghc,green-haskell/ghc,mcschroeder/ghc,gcampax/ghc,urbanslug/ghc,jstolarek/ghc,nomeata/ghc,da-x/ghc,elieux/ghc,mcschroeder/ghc,nkaretnikov/ghc,urbanslug/ghc,elieux/ghc,GaloisInc/halvm-ghc,sgillespie/ghc,frantisekfarka/ghc-dsi,sgillespie/ghc,siddhanathan/ghc,sdiehl/ghc,ryantm/ghc,lukexi/ghc-7.8-arm64,tjakway/ghcjvm,snoyberg/ghc,TomMD/ghc,nathyong/microghc-ghc,fmthoma/ghc,bitemyapp/ghc,frantisekfarka/ghc-dsi,nushio3/ghc,siddhanathan/ghc,da-x/ghc,ghc-android/ghc,acowley/ghc,ryantm/ghc,vikraman/ghc,oldmanmike/ghc,green-haskell/ghc,elieux/ghc,nathyong/microghc-ghc,wxwxwwxxx/ghc,frantisekfarka/ghc-dsi,mettekou/ghc,ezyang/ghc,vTurbine/ghc,nathyong/microghc-ghc,gridaphobe/ghc,bitemyapp/ghc,ghc-android/ghc,snoyberg/ghc,nomeata/ghc,da-x/ghc,forked-upstream-packages-for-ghcjs/ghc,vikraman/ghc,ekmett/ghc,frantisekfarka/ghc-dsi,sgillespie/ghc,ezyang/ghc,nushio3/ghc,vTurbine/ghc,wxwxwwxxx/ghc,tjakway/ghcjvm,tjakway/ghcjvm,gcampax/ghc,shlevy/ghc,anton-dessiatov/ghc,acowley/ghc,hferreiro/replay,mfine/ghc,bitemyapp/ghc,AlexanderPankiv/ghc,fmthoma/ghc,AlexanderPankiv/ghc,mcmaniac/ghc,ml9951/ghc,ezyang/ghc,tibbe/ghc,elieux/ghc,vTurbine/ghc,urbanslug/ghc,urbanslug/ghc,nkaretnikov/ghc,ml9951/ghc,tibbe/ghc,olsner/ghc,green-haskell/ghc,lukexi/ghc-7.8-arm64,lukexi/ghc-7.8-arm64,ezyang/ghc,nomeata/ghc,mfine/ghc,bitemyapp/ghc,siddhanathan/ghc,spacekitteh/smcghc,nathyong/microghc-ghc,vTurbine/ghc,jstolarek/ghc,mfine/ghc,gridaphobe/ghc,vikraman/ghc,nkaretnikov/ghc,forked-upstream-packages-for-ghcjs/ghc,ekmett/ghc,green-haskell/ghc,AlexanderPankiv/ghc,nathyong/microghc-ghc,oldmanmike/ghc,ghc-android/ghc,mfine/ghc,sdiehl/ghc,shlevy/ghc,shlevy/ghc,nkaretnikov/ghc,TomMD/ghc,acowley/ghc,sgillespie/ghc,TomMD/ghc,mfine/ghc,acowley/ghc,nushio3/ghc,ryantm/ghc,vTurbine/ghc,shlevy/ghc,tjakway/ghcjvm,acowley/ghc,anton-dessiatov/ghc,mcmaniac/ghc,sgillespie/ghc,mettekou/ghc,forked-upstream-packages-for-ghcjs/ghc,mettekou/ghc,gcampax/ghc,sdiehl/ghc,ekmett/ghc,hferreiro/replay,oldmanmike/ghc,mcschroeder/ghc,sdiehl/ghc,gcampax/ghc,oldmanmike/ghc,anton-dessiatov/ghc,vTurbine/ghc,snoyberg/ghc,vTurbine/ghc,fmthoma/ghc,lukexi/ghc-7.8-arm64,frantisekfarka/ghc-dsi