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(parent: bb0fff0) | patch
InstCombine: turn (C1 << A) << C2) into (C1 << C2) << A)
authorBenjamin Kramer <benny.kra@googlemail.com>
Fri, 29 Apr 2011 08:15:41 +0000 (08:15 +0000)
committerBenjamin Kramer <benny.kra@googlemail.com>
Fri, 29 Apr 2011 08:15:41 +0000 (08:15 +0000)
commitc2e31c1461f96e3d8325e58ef396a865adf7b302
tree30c2abefa11634eb5e55c0d9fe621c43e3f9099ctree | snapshot
parentbb0fff0cb433eaabfad88d934be02097bd62ccdacommit | diff
InstCombine: turn (C1 << A) << C2) into (C1 << C2) << A)

Fixes PR9809.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130485 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Transforms/InstCombine/InstCombineShifts.cpp diff | blob | history
test/Transforms/InstCombine/shift.ll diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors