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* Fix x86 fast-isel's cmp+branch folding to avoid folding when theDan Gohman2010-08-211-0/+29
comparison is in a different basic block from the branch. In such cases, the comparison's operands may not have initialized virtual registers available. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111709 91177308-0d34-0410-b5e6-96231b3b80d8