[llvm] 364cd76 - [NFC] Expose the -Oz module optimization pipeline to opt

[Florian Hahn via llvm-commits]

> On Aug 20, 2020, at 17:29, Mircea Trofin via llvm-commits <llvm-commits at lists.llvm.org> wrote:
> 
> 
> Author: Mircea Trofin
> Date: 2020-08-20T09:28:58-07:00
> New Revision: 364cd768a2764211ec0cbcf0c0bdbe4d8f4565b9
> 
> URL: https://github.com/llvm/llvm-project/commit/364cd768a2764211ec0cbcf0c0bdbe4d8f4565b9
> DIFF: https://github.com/llvm/llvm-project/commit/364cd768a2764211ec0cbcf0c0bdbe4d8f4565b9.diff
> 
> LOG: [NFC] Expose the -Oz module optimization pipeline to opt
> 
> This exposes the module optimization pipeline as a pass that can be
> applied stand-alone when using 'opt'. This helps ml inliner training
> scenarios, where we start with IR captured right before inlining,
> perform the inlining (-scc-oz-module-inliner) and then want to continue
> and observe the final IR (where this patch comes into play). We can then
> apply llc on the resulting IR to continue compilation down to native.
> 
> Differential Revision: https://reviews.llvm.org/D86224
> 
> Added: 
> 
> 
> Modified: 
>    llvm/lib/Passes/PassRegistry.def
> 
> Removed: 
> 
> 
> 
> ################################################################################
> diff  --git a/llvm/lib/Passes/PassRegistry.def b/llvm/lib/Passes/PassRegistry.def
> index e0d7a4b5b2d9..1176db872c59 100644
> --- a/llvm/lib/Passes/PassRegistry.def
> +++ b/llvm/lib/Passes/PassRegistry.def
> @@ -85,6 +85,8 @@ MODULE_PASS("rpo-function-attrs", ReversePostOrderFunctionAttrsPass())
> MODULE_PASS("sample-profile", SampleProfileLoaderPass())
> MODULE_PASS("scc-oz-module-inliner",
>   buildInlinerPipeline(OptimizationLevel::Oz, ThinLTOPhase::None, DebugLogging))
> +MODULE_PASS("oz-module-optimizer",
> +  buildModuleOptimizationPipeline(OptimizationLevel::Oz, DebugLogging, /*LTOPreLink*/false))
> MODULE_PASS("strip-dead-prototypes", StripDeadPrototypesPass())
> MODULE_PASS("synthetic-counts-propagation", SyntheticCountsPropagation())
> MODULE_PASS("wholeprogramdevirt", WholeProgramDevirtPass(nullptr, nullptr))
> 


Is it possible to have a test for the new option?