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(parent: 4121bce) | patch
Switch to select optimization for two-case switches
authorMarcello Maggioni <hayarms@gmail.com>
Tue, 14 Oct 2014 01:58:26 +0000 (01:58 +0000)
committerMarcello Maggioni <hayarms@gmail.com>
Tue, 14 Oct 2014 01:58:26 +0000 (01:58 +0000)
commit5bbe3df63f4788b42ead0344d431ecd9656d7ced
treef21c06072b1488f3df844eeb07fe8c14ae4dd86btree | snapshot
parent4121bce3f6bcedbcc987c2aa34df3461cb201930commit | diff
Switch to select optimization for two-case switches

This is the same optimization of r219233 with modifications to support PHIs with multiple incoming edges from the same block
and a test to check that this condition is handled.

llvm-svn: 219656
llvm/lib/Transforms/Utils/SimplifyCFG.cpp diff | blob | history
llvm/test/Transforms/SimplifyCFG/UnreachableEliminate.ll diff | blob | history
llvm/test/Transforms/SimplifyCFG/X86/switch_to_lookup_table.ll diff | blob | history
llvm/test/Transforms/SimplifyCFG/switch-to-select-multiple-edge-per-block-phi.ll [new file with mode: 0644] blob
llvm/test/Transforms/SimplifyCFG/switch-to-select-two-case.ll [new file with mode: 0644] blob
Domain: System / Toolchain;