Sanjay Patel 2c346dcce3 [PassManager][PhaseOrdering] lower expects before running simplifyCFG ... If we run passes before lowering llvm.expect intrinsics to metadata, then those passes have no way to act on the hints provided by llvm.expect. SimplifyCFG is the known offender, and we made it smarter about profile metadata in D98898. In the motivating example from https://llvm.org/PR49336 , this means we were ignoring the recommended method for a programmer to tell the compiler that a compare+branch is expensive. This change appears to solve that case - the metadata survives to the backend, the compare order is as expected in IR, and the backend does not do anything to reverse it. We make the same change to the old pass manager to keep things synchronized. Differential Revision: https://reviews.llvm.org/D100213		2021-04-12 12:23:31 -04:00
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CMakeLists.txt	[NewPM][HelloWorld] Move HelloWorld to Utils	2021-02-03 12:59:40 -08:00
PassBuilder.cpp	[PassManager][PhaseOrdering] lower expects before running simplifyCFG	2021-04-12 12:23:31 -04:00
PassPlugin.cpp
PassRegistry.def	Revert "[Passes] Add relative lookup table converter pass"	2021-03-30 14:13:37 +02:00
StandardInstrumentations.cpp	[NewPM] Set verify-cfg-preserved=1 by default for debug builds	2021-04-07 08:34:30 +07:00