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(parent: f06c3c2) | patch
Split up subtracts into add+negate if they have a reassociable use or operand
authorChris Lattner <sabre@nondot.org>
Sun, 17 Feb 2008 20:51:26 +0000 (20:51 +0000)
committerChris Lattner <sabre@nondot.org>
Sun, 17 Feb 2008 20:51:26 +0000 (20:51 +0000)
commit0b0803ae1508ff514dd7b471a2a3bcd1e83cb0ef
tree14c62f7634cd8cca1b6beeef3e942ed56d95d5e0tree | snapshot
parentf06c3c29acb5560f27d18f8498cefcd4f58be08bcommit | diff
Split up subtracts into add+negate if they have a reassociable use or operand
that is also a subtract.  This implements PR2047 and Transforms/Reassociate/subtest2.ll

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47241 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Transforms/Scalar/Reassociate.cpp diff | blob | history
test/Transforms/Reassociate/subtest2.ll [new file with mode: 0644] blob
C/C++ LLVM-based compilers that forbids OOTA behaviors