Remove deprecated non string API for LLVM pass pipeline and parse all options (JuliaLang#55407)

This technically removes the option for Oz in julia but it doesn't
actually do what one wants.
This removes an API currently used by Enzyme.jl and AllocCheck.jl but
given that LLVM.jl doesn't support this API anymore that seems fine.
@wsmoses @maleadt
Do we want the replacement for this (a function that parses the
PipelineConfig struct) to live in LLVM.jl or GPUCompiler.jl ?

Author: gbaraldi

src/codegen-stubs.c

@@ -107,8 +107,6 @@ JL_DLLEXPORT uint64_t jl_getUnwindInfo_fallback(uint64_t dwAddr)
     return 0;
 }
 
-JL_DLLEXPORT void jl_build_newpm_pipeline_fallback(void *MPM, void *PB, void *config) UNAVAILABLE
-
 JL_DLLEXPORT void jl_register_passbuilder_callbacks_fallback(void *PB) { }
 
 #define MODULE_PASS(NAME, CLASS, CREATE_PASS) \

src/jl_exported_funcs.inc

@@ -542,7 +542,6 @@
     YY(jl_type_to_llvm) \
     YY(jl_getUnwindInfo) \
     YY(jl_get_libllvm) \
-    YY(jl_build_newpm_pipeline) \
     YY(jl_register_passbuilder_callbacks) \
     YY(LLVMExtraMPMAddCPUFeaturesPass) \
     YY(LLVMExtraMPMAddRemoveNIPass) \

src/pipeline.cpp

@@ -609,65 +609,6 @@ static void buildPipeline(ModulePassManager &MPM, PassBuilder *PB, OptimizationL
     MPM.addPass(AfterOptimizationMarkerPass());
 }
 
-struct PipelineConfig {
-    int Speedup;
-    int Size;
-    int lower_intrinsics;
-    int dump_native;
-    int external_use;
-    int llvm_only;
-    int always_inline;
-    int enable_early_simplifications;
-    int enable_early_optimizations;
-    int enable_scalar_optimizations;
-    int enable_loop_optimizations;
-    int enable_vector_pipeline;
-    int remove_ni;
-    int cleanup;
-    int warn_missed_transformations;
-};
-
-extern "C" JL_DLLEXPORT_CODEGEN void jl_build_newpm_pipeline_impl(void *MPM, void *PB, PipelineConfig* config) JL_NOTSAFEPOINT
-{
-    OptimizationLevel O;
-    switch (config->Size) {
-        case 1:
-            O = OptimizationLevel::Os;
-            break;
-        default:
-            O = OptimizationLevel::Oz;
-            break;
-        case 0:
-            switch (config->Speedup) {
-                case 0:
-                    O = OptimizationLevel::O0;
-                    break;
-                case 1:
-                    O = OptimizationLevel::O1;
-                    break;
-                case 2:
-                    O = OptimizationLevel::O2;
-                    break;
-                default:
-                    O = OptimizationLevel::O3;
-                    break;
-            }
-    }
-    buildPipeline(*reinterpret_cast<ModulePassManager*>(MPM), reinterpret_cast<PassBuilder*>(PB), O,
-                    OptimizationOptions{!!config->lower_intrinsics,
-                                        !!config->dump_native,
-                                        !!config->external_use,
-                                        !!config->llvm_only,
-                                        !!config->always_inline,
-                                        !!config->enable_early_simplifications,
-                                        !!config->enable_early_optimizations,
-                                        !!config->enable_scalar_optimizations,
-                                        !!config->enable_loop_optimizations,
-                                        !!config->enable_vector_pipeline,
-                                        !!config->remove_ni,
-                                        !!config->cleanup,
-                                        !!config->warn_missed_transformations});
-}
 
 #undef JULIA_PASS
 
@@ -865,6 +806,14 @@ static Optional<std::pair<OptimizationLevel, OptimizationOptions>> parseJuliaPip
             OPTION(dump_native),
             OPTION(external_use),
             OPTION(llvm_only),
+            OPTION(always_inline),
+            OPTION(enable_early_simplifications),
+            OPTION(enable_early_optimizations),
+            OPTION(enable_scalar_optimizations),
+            OPTION(enable_loop_optimizations),
+            OPTION(enable_vector_pipeline),
+            OPTION(remove_ni),
+            OPTION(cleanup),
             OPTION(warn_missed_transformations)
 #undef OPTION
         };

test/llvmpasses/parsing.ll

@@ -1,6 +1,9 @@
 ; COM: NewPM-only test, tests for ability to parse Julia passes
 
 ; RUN: opt --load-pass-plugin=libjulia-codegen%shlibext -passes='module(CPUFeatures,RemoveNI,JuliaMultiVersioning,RemoveJuliaAddrspaces,LowerPTLSPass,function(DemoteFloat16,CombineMulAdd,LateLowerGCFrame,FinalLowerGC,AllocOpt,PropagateJuliaAddrspaces,LowerExcHandlers,GCInvariantVerifier,loop(LowerSIMDLoop,JuliaLICM),GCInvariantVerifier<strong>,GCInvariantVerifier<no-strong>),LowerPTLSPass<imaging>,LowerPTLSPass<no-imaging>,JuliaMultiVersioning<external>,JuliaMultiVersioning<no-external>)' -S %s -o /dev/null
+; RUN: opt --load-pass-plugin=libjulia-codegen%shlibext -passes="julia<level=3;llvm_only>" -S %s -o /dev/null
+; RUN: opt --load-pass-plugin=libjulia-codegen%shlibext -passes="julia<level=3;no_llvm_only>" -S %s -o /dev/null
+; RUN: opt --load-pass-plugin=libjulia-codegen%shlibext -passes="julia<level=3;no_enable_vector_pipeline>" -S %s -o /dev/null
 
 define void @test() {
     ret void