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Arnold Schwaighofer
c86f47bee2
ISel: Fix FastISel of swifterror values
The code assumed that we process instructions in basic block order. FastISel processes instructions in reverse basic block order. We need to pre-assign virtual registers before selecting otherwise we get def-use relationships wrong. This only affects code with swifterror registers. rdar://32659327 llvm-svn: 305484
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