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(parent: 16e036f) | patch
implement instcombine folding for things like (x >> c) < 42.
authorChris Lattner <sabre@nondot.org>
Sun, 13 Feb 2011 08:07:21 +0000 (08:07 +0000)
committerChris Lattner <sabre@nondot.org>
Sun, 13 Feb 2011 08:07:21 +0000 (08:07 +0000)
commitbb75d337c4d544692cd250acba8e3507aacb7b75
tree214eeec33beaf8a6dd54ac889987f7b4addf11fetree | snapshot
parent16e036fa8f1d1da02deeaf9a77951f4dc711faa1commit | diff
implement instcombine folding for things like (x >> c) < 42.
We were previously simplifying divisions, but not right shifts!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125454 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Transforms/InstCombine/InstCombineCompares.cpp diff | blob | history
test/Transforms/InstCombine/exact.ll diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors