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updates from Evan
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46951 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -97,7 +97,8 @@ llvm 2.2, and will be redesigned or removed in llvm 2.3.</p>
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LLVM 2.1, llvm-gcc 4.2 was beta). Since LLVM 2.1, the llvm-gcc 4.2 front-end
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has made leaps and bounds and is now at least as good as 4.0 in virtually every
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area, and is better in several areas (for example, exception handling
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correctness, support for Ada and Fortran). We strongly recommend that you
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correctness, support for Ada and Fortran, better ABI compatibility, etc). We
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strongly recommend that you
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migrate from llvm-gcc 4.0 to llvm-gcc 4.2 in this release cycle because
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<b>LLVM 2.2 is the last release that will support llvm-gcc 4.0</b>: LLVM 2.3
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will only support the llvm-gcc 4.2 front-end.</p>
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@ -265,7 +266,8 @@ Substitution and Lazy Cycle Detection. Note that Andersen's is not enabled in
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llvm-gcc by default, but can be accessed through 'opt'.</li>
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<li>Dan Gohman contributed several enhancements to Loop Strength Reduction (LSR)
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to make it more aggressive with SSE intrinsics.</li>
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to make it more aggressive with SSE intrinsics and when induction variables are
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used by non-memory instructions.</li>
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<li>Evan added support for simple exit value substitution to LSR.</li>
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