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Author SHA1 Message Date
Michael J. Spencer df1ecbd734 Replace Count{Leading,Trailing}Zeros_{32,64} with count{Leading,Trailing}Zeros. 
llvm-svn: 182680
 2013-05-24 22:23:49 +00:00
Tim Northover 2e44769ed2 AArch64: add branch fixup pass. 
This is essentially a stripped-down version of the ConstandIslands pass (which
always had these two functions), providing just the features necessary for
correctness.

In particular there needs to be a way to resolve the situation where a
conditional branch's destination block ends up out of range.

This issue crops up when self-hosting for AArch64.

llvm-svn: 175269
 2013-02-15 14:32:20 +00:00