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authorChris Lattner <sabre@nondot.org>2004-05-10 19:06:37 +0000
committerChris Lattner <sabre@nondot.org>2004-05-10 19:06:37 +0000
commit39a1e0a33e7d416ddf9d5dd1f989b2d17731adcf (patch)
tree0537ff0cf98a3d9b3bd8b2b11ddc1c87bb24e543 /llvm/lib/CodeGen/MachineBasicBlock.cpp
parenta2f7b9bddceb0cfcc09461189ba24e7a3f055489 (diff)
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Use a new VRegPHIUseCount to compute uses of PHI values by other phi values
in the basic block being processed. This fixes PhiElimination on kimwitu++ from taking 105s to taking a much more reasonable 0.6s (in a debug build). llvm-svn: 13453
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