[PATCH] D13887: [InstCombine] Teach instcombine not to create extra PHI nodes when folding GEPs

[silviu.baranga@arm.com via llvm-commits]

sbaranga added a comment.

Benchmark results (lnt, spec2k, spec2k6):

spec.cpu2000.ref.300_twolf	-1.96%
spec.cpu2006.ref.400_perlbench	-1.55%
lnt.MultiSource/Applications/sqlite3/sqlite3	-1.48%
lnt.MultiSource/Benchmarks/Olden/tsp/tsp	-1.26%
spec.cpu2000.ref.176_gcc	-1.02%


http://reviews.llvm.org/D13887