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48d1e4517e
have situations where an SSE instruction turns into multiple blocks, with the live range of an x87 register crossing them. To do this correctly make sure we examine all blocks when inserting FP_REG_KILL. PR 1697. (This was exposed by my fix for PR 1681, but the same thing could happen mixing x87 long double with SSE.) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42281 91177308-0d34-0410-b5e6-96231b3b80d8
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