Jingyue Wu 537669aad8 [SLSR] handle candidate form &B[i * S] ... Summary: This patch enhances SLSR to handle another candidate form &B[i * S]. If we found two candidates S1: X = &B[i * S] S2: Y = &B[i' * S] and S1 dominates S2, we can replace S2 with Y = &X[(i' - i) * S] Test Plan: slsr-gep.ll X86/no-slsr.ll: verify that we do not run SLSR on GEPs that already fit into an addressing mode Reviewers: eliben, atrick, meheff, hfinkel Reviewed By: hfinkel Subscribers: sanjoy, llvm-commits Differential Revision: http://reviews.llvm.org/D7459 llvm-svn: 233286		2015-03-26 16:49:24 +00:00
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X86
slsr-gep.ll
slsr-mul.ll