Juergen Ributzka 9479b31f97 [Constant Hoisting] Fix insertion point for constant materialization. ...

The bitcast instruction during constant materialization was not placed correcly
in the presence of phi nodes. This commit fixes the insertion point to be in the
idom instead.

This fixes PR18768

llvm-svn: 201009

2014-02-08 00:20:49 +00:00

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X86

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