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Mirror of https://github.com/RPCS3/llvm-mirror
a018732b13
Summary: Split off from D46031. In masked merge case, this degrades IPC by decreasing instruction count. {F6108777} The next patch should be able to recover and improve this. This also affects the transform @spatel have added in D27489 / rL289738, and the test coverage for X86 was missing. But after i have added it, and looked at the changes in MCA, i'm somewhat confused. {F6093591} {F6093592} {F6093593} I'd say this regression is an improvement, since `IPC` increased in that case? Reviewers: spatel, craig.topper Reviewed By: spatel Subscribers: andreadb, llvm-commits, spatel Differential Revision: https://reviews.llvm.org/D46493 llvm-svn: 331684 |
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