tree fa08e7c9454579598eaac254327afbf42a022bd9
parent 539c9b99c27c0fe4f22a0498bc65334e4aa72ef0
author Chris Lattner <sabre@nondot.org> 1259201583 +0000
committer Chris Lattner <sabre@nondot.org> 1259201583 +0000

Implement a new DecomposeGEPExpression method, which decomposes a GEP into a list of scaled offsets.  Use this to eliminate some previous ad-hoc code which was subtly broken (it assumed all Constant*'s were non-zero, but strange constant express could be zero).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89915 91177308-0d34-0410-b5e6-96231b3b80d8