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llvm-6502/lib/Transforms
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Bob Wilson 84bd6b0c31 Re-commit my previous SSAUpdater changes. The previous version naively tried 
to determine where to place PHIs by iteratively comparing reaching definitions
at each block.  That was just plain wrong.  This version now computes the
dominator tree within the subset of the CFG where PHIs may need to be placed,
and then places the PHIs in the iterated dominance frontier of each definition.
The rest of the patch is mostly the same, with a few more performance
improvements added in.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101612 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-17 03:08:24 +00:00
..
Hello
InstCombine Revert 101465, it broke internal OpenGL testing. 2010-04-16 23:37:20 +00:00
Instrumentation Revert 101465, it broke internal OpenGL testing. 2010-04-16 23:37:20 +00:00
IPO Revert 101465, it broke internal OpenGL testing. 2010-04-16 23:37:20 +00:00
Scalar Revert 101465, it broke internal OpenGL testing. 2010-04-16 23:37:20 +00:00
Utils Re-commit my previous SSAUpdater changes. The previous version naively tried 2010-04-17 03:08:24 +00:00
Makefile