1 //===- DeltaManager.cpp - Runs Delta Passes to reduce Input ---------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 // 9 // This file calls each specialized Delta pass in order to reduce the input IR 10 // file. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #include "DeltaManager.h" 15 #include "TestRunner.h" 16 #include "deltas/Delta.h" 17 #include "deltas/ReduceAliases.h" 18 #include "deltas/ReduceArguments.h" 19 #include "deltas/ReduceAttributes.h" 20 #include "deltas/ReduceBasicBlocks.h" 21 #include "deltas/ReduceFunctionBodies.h" 22 #include "deltas/ReduceFunctions.h" 23 #include "deltas/ReduceGlobalObjects.h" 24 #include "deltas/ReduceGlobalValues.h" 25 #include "deltas/ReduceGlobalVarInitializers.h" 26 #include "deltas/ReduceGlobalVars.h" 27 #include "deltas/ReduceInstructions.h" 28 #include "deltas/ReduceInstructionsMIR.h" 29 #include "deltas/ReduceMetadata.h" 30 #include "deltas/ReduceModuleData.h" 31 #include "deltas/ReduceOperandBundles.h" 32 #include "deltas/ReduceOperands.h" 33 #include "deltas/ReduceOperandsToArgs.h" 34 #include "deltas/ReduceSpecialGlobals.h" 35 #include "llvm/Support/CommandLine.h" 36 37 using namespace llvm; 38 39 static cl::opt<std::string> 40 DeltaPasses("delta-passes", 41 cl::desc("Delta passes to run, separated by commas. By " 42 "default, run all delta passes.")); 43 44 #define DELTA_PASSES \ 45 DELTA_PASS("special-globals", reduceSpecialGlobalsDeltaPass) \ 46 DELTA_PASS("aliases", reduceAliasesDeltaPass) \ 47 DELTA_PASS("function-bodies", reduceFunctionBodiesDeltaPass) \ 48 DELTA_PASS("functions", reduceFunctionsDeltaPass) \ 49 DELTA_PASS("basic-blocks", reduceBasicBlocksDeltaPass) \ 50 DELTA_PASS("global-values", reduceGlobalValuesDeltaPass) \ 51 DELTA_PASS("global-objects", reduceGlobalObjectsDeltaPass) \ 52 DELTA_PASS("global-initializers", reduceGlobalsInitializersDeltaPass) \ 53 DELTA_PASS("global-variables", reduceGlobalsDeltaPass) \ 54 DELTA_PASS("metadata", reduceMetadataDeltaPass) \ 55 DELTA_PASS("arguments", reduceArgumentsDeltaPass) \ 56 DELTA_PASS("instructions", reduceInstructionsDeltaPass) \ 57 DELTA_PASS("operands-zero", reduceOperandsZeroDeltaPass) \ 58 DELTA_PASS("operands-one", reduceOperandsOneDeltaPass) \ 59 DELTA_PASS("operands-undef", reduceOperandsUndefDeltaPass) \ 60 DELTA_PASS("operands-to-args", reduceOperandsToArgsDeltaPass) \ 61 DELTA_PASS("operand-bundles", reduceOperandBundesDeltaPass) \ 62 DELTA_PASS("attributes", reduceAttributesDeltaPass) \ 63 DELTA_PASS("module-data", reduceModuleDataDeltaPass) 64 65 #define DELTA_PASSES_MIR \ 66 DELTA_PASS("instructions", reduceInstructionsMIRDeltaPass) 67 68 static void runAllDeltaPasses(TestRunner &Tester) { 69 #define DELTA_PASS(NAME, FUNC) FUNC(Tester); 70 if (Tester.getProgram().isMIR()) { 71 DELTA_PASSES_MIR 72 } else { 73 DELTA_PASSES 74 } 75 #undef DELTA_PASS 76 } 77 78 static void runDeltaPassName(TestRunner &Tester, StringRef PassName) { 79 #define DELTA_PASS(NAME, FUNC) \ 80 if (PassName == NAME) { \ 81 FUNC(Tester); \ 82 return; \ 83 } 84 if (Tester.getProgram().isMIR()) { 85 DELTA_PASSES_MIR 86 } else { 87 DELTA_PASSES 88 } 89 #undef DELTA_PASS 90 errs() << "unknown pass \"" << PassName << "\"\n"; 91 exit(1); 92 } 93 94 void llvm::printDeltaPasses(raw_ostream &OS) { 95 OS << "Delta passes (pass to `--delta-passes=` as a comma separated list):\n"; 96 #define DELTA_PASS(NAME, FUNC) OS << " " << NAME << "\n"; 97 OS << " IR:\n"; 98 DELTA_PASSES 99 OS << " MIR:\n"; 100 DELTA_PASSES_MIR 101 #undef DELTA_PASS 102 } 103 104 void llvm::runDeltaPasses(TestRunner &Tester) { 105 if (DeltaPasses.empty()) { 106 runAllDeltaPasses(Tester); 107 } else { 108 StringRef Passes = DeltaPasses; 109 while (!Passes.empty()) { 110 auto Split = Passes.split(","); 111 runDeltaPassName(Tester, Split.first); 112 Passes = Split.second; 113 } 114 } 115 } 116