[PATCH] D39262: [CodeGen] Peel off the dominant case in switch statement in lowering
Rong Xu via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Tue Nov 7 10:03:26 PST 2017
xur updated this revision to Diff 121924.
xur added a comment.
Added more switch cases to make the lowering generate binary search compares.
Thanks to Hans's suggestion.
I also moved the test case to from test/CodeGenGeneric/ test/CodeGen/X86/ as it now checks the IR for x86.
https://reviews.llvm.org/D39262
Files:
lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h
test/CodeGen/Generic/MachineBranchProb.ll
test/CodeGen/SystemZ/loop-03.ll
test/CodeGen/X86/switch-bt.ll
test/CodeGen/X86/switch-lower-peel-top-case.ll
test/CodeGen/X86/switch.ll
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