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Author SHA1 Message Date
Simon Pilgrim e80605e242 [X86] Remove WaitInsert::TTI member. NFCI. 
This is only ever set/used inside WaitInsert::runOnMachineFunction so don't bother storing it in the class.
 2020-09-10 11:45:08 +01:00
Liu, Chen3 8fdafb7dce Insert wait instruction after X87 instructions which could raise 
float-point exception.

This patch also modify some mayRaiseFPException flag which set in D68854.

Differential Revision: https://reviews.llvm.org/D72750
 2020-01-16 12:12:51 +08:00