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2009-09-09Eliminate more uses of llvm-as and llvm-dis.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81293 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-27Revert accidental testcase reductionNate Begeman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70226 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-272nd attempt, fixing SSE4.1 issues and implementing feedback from duncan.Nate Begeman
PR2957 ISD::VECTOR_SHUFFLE now stores an array of integers representing the shuffle mask internal to the node, rather than taking a BUILD_VECTOR of ConstantSDNodes as the shuffle mask. A value of -1 represents UNDEF. In addition to eliminating the creation of illegal BUILD_VECTORS just to represent shuffle masks, we are better about canonicalizing the shuffle mask, resulting in substantially better code for some classes of shuffles. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70225 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-14Improve support for vector casts in LLVM IR and CodeGen.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54784 91177308-0d34-0410-b5e6-96231b3b80d8
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