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(parent: 232ab94) | patch
licm is wasting time hoisting constant foldable operations,
authorChris Lattner <sabre@nondot.org>
Tue, 31 Aug 2010 23:00:16 +0000 (23:00 +0000)
committerChris Lattner <sabre@nondot.org>
Tue, 31 Aug 2010 23:00:16 +0000 (23:00 +0000)
commit2ac6e2354ac9961b00fa351635ed04baf7fdd234
treede233dd475f72634bcab390c240d82ce7493c4bbtree | snapshot
parent232ab949d5ed04c4ab45c763e0597fc3fc3fa5bccommit | diff
licm is wasting time hoisting constant foldable operations,
instead of hoisting them, just fold them away.  This occurs in the
testcase for PR8041, for example.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112669 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Transforms/Scalar/LICM.cpp diff | blob | history
test/Transforms/LICM/hoisting.ll diff | blob | history
test/Transforms/LICM/scalar_promote.ll diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors