Owen Anderson cb21190cbd More Chris-inspired JumpThreading fixes: use ConstantExpr to correctly constant-fold undef, and be more careful with its return value.
This actually exposed an infinite recursion bug in ComputeValueKnownInPredecessors which theoretically already existed (in JumpThreading's
handling of and/or of i1's), but never manifested before.  This patch adds a tracking set to prevent this case.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112589 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-31 07:36:34 +00:00
2010-08-31 06:36:22 +00:00
2010-08-31 06:36:46 +00:00
2010-08-29 14:50:21 +00:00
2010-08-15 07:07:12 +00:00
2010-07-27 00:04:55 +00:00

\Low Level Virtual Machine (LLVM)
================================

This directory and its subdirectories contain source code for the Low Level
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optimizers, and runtime environments.

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Description
LLVM backend for 6502
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