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/ReduceOperandsSkip.h" 34 #include "deltas/ReduceOperandsToArgs.h" 35 #include "deltas/ReduceSpecialGlobals.h" 36 #include "llvm/Support/CommandLine.h" 37 38 using namespace llvm; 39 40 static cl::opt<std::string> 41 DeltaPasses("delta-passes", 42 cl::desc("Delta passes to run, separated by commas. By " 43 "default, run all delta passes.")); 44 45 #define DELTA_PASSES \ 46 DELTA_PASS("special-globals", reduceSpecialGlobalsDeltaPass) \ 47 DELTA_PASS("aliases", reduceAliasesDeltaPass) \ 48 DELTA_PASS("function-bodies", reduceFunctionBodiesDeltaPass) \ 49 DELTA_PASS("functions", reduceFunctionsDeltaPass) \ 50 DELTA_PASS("basic-blocks", reduceBasicBlocksDeltaPass) \ 51 DELTA_PASS("global-values", reduceGlobalValuesDeltaPass) \ 52 DELTA_PASS("global-objects", reduceGlobalObjectsDeltaPass) \ 53 DELTA_PASS("global-initializers", reduceGlobalsInitializersDeltaPass) \ 54 DELTA_PASS("global-variables", reduceGlobalsDeltaPass) \ 55 DELTA_PASS("metadata", reduceMetadataDeltaPass) \ 56 DELTA_PASS("arguments", reduceArgumentsDeltaPass) \ 57 DELTA_PASS("instructions", reduceInstructionsDeltaPass) \ 58 DELTA_PASS("operands-zero", reduceOperandsZeroDeltaPass) \ 59 DELTA_PASS("operands-one", reduceOperandsOneDeltaPass) \ 60 DELTA_PASS("operands-undef", reduceOperandsUndefDeltaPass) \ 61 DELTA_PASS("operands-to-args", reduceOperandsToArgsDeltaPass) \ 62 DELTA_PASS("operands-skip", reduceOperandsSkipDeltaPass) \ 63 DELTA_PASS("operand-bundles", reduceOperandBundesDeltaPass) \ 64 DELTA_PASS("attributes", reduceAttributesDeltaPass) \ 65 DELTA_PASS("module-data", reduceModuleDataDeltaPass) 66 67 #define DELTA_PASSES_MIR \ 68 DELTA_PASS("instructions", reduceInstructionsMIRDeltaPass) 69 70 static void runAllDeltaPasses(TestRunner &Tester) { 71 #define DELTA_PASS(NAME, FUNC) FUNC(Tester); 72 if (Tester.getProgram().isMIR()) { 73 DELTA_PASSES_MIR 74 } else { 75 DELTA_PASSES 76 } 77 #undef DELTA_PASS 78 } 79 80 static void runDeltaPassName(TestRunner &Tester, StringRef PassName) { 81 #define DELTA_PASS(NAME, FUNC) \ 82 if (PassName == NAME) { \ 83 FUNC(Tester); \ 84 return; \ 85 } 86 if (Tester.getProgram().isMIR()) { 87 DELTA_PASSES_MIR 88 } else { 89 DELTA_PASSES 90 } 91 #undef DELTA_PASS 92 errs() << "unknown pass \"" << PassName << "\"\n"; 93 exit(1); 94 } 95 96 void llvm::printDeltaPasses(raw_ostream &OS) { 97 OS << "Delta passes (pass to `--delta-passes=` as a comma separated list):\n"; 98 #define DELTA_PASS(NAME, FUNC) OS << " " << NAME << "\n"; 99 OS << " IR:\n"; 100 DELTA_PASSES 101 OS << " MIR:\n"; 102 DELTA_PASSES_MIR 103 #undef DELTA_PASS 104 } 105 106 void llvm::runDeltaPasses(TestRunner &Tester) { 107 if (DeltaPasses.empty()) { 108 runAllDeltaPasses(Tester); 109 } else { 110 StringRef Passes = DeltaPasses; 111 while (!Passes.empty()) { 112 auto Split = Passes.split(","); 113 runDeltaPassName(Tester, Split.first); 114 Passes = Split.second; 115 } 116 } 117 } 118