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/ReduceGlobalValues.h" 24 #include "deltas/ReduceGlobalVarInitializers.h" 25 #include "deltas/ReduceGlobalVars.h" 26 #include "deltas/ReduceInstructions.h" 27 #include "deltas/ReduceMetadata.h" 28 #include "deltas/ReduceModuleData.h" 29 #include "deltas/ReduceOperandBundles.h" 30 #include "deltas/ReduceOperands.h" 31 #include "deltas/ReduceOperandsToArgs.h" 32 #include "deltas/ReduceSpecialGlobals.h" 33 #include "llvm/Support/CommandLine.h" 34 35 using namespace llvm; 36 37 static cl::opt<std::string> 38 DeltaPasses("delta-passes", 39 cl::desc("Delta passes to run, separated by commas. By " 40 "default, run all delta passes.")); 41 42 #define DELTA_PASSES \ 43 DELTA_PASS("special-globals", reduceSpecialGlobalsDeltaPass) \ 44 DELTA_PASS("aliases", reduceAliasesDeltaPass) \ 45 DELTA_PASS("function-bodies", reduceFunctionBodiesDeltaPass) \ 46 DELTA_PASS("functions", reduceFunctionsDeltaPass) \ 47 DELTA_PASS("basic-blocks", reduceBasicBlocksDeltaPass) \ 48 DELTA_PASS("global-values", reduceGlobalValuesDeltaPass) \ 49 DELTA_PASS("global-initializers", reduceGlobalsInitializersDeltaPass) \ 50 DELTA_PASS("global-variables", reduceGlobalsDeltaPass) \ 51 DELTA_PASS("metadata", reduceMetadataDeltaPass) \ 52 DELTA_PASS("arguments", reduceArgumentsDeltaPass) \ 53 DELTA_PASS("instructions", reduceInstructionsDeltaPass) \ 54 DELTA_PASS("operands-zero", reduceOperandsZeroDeltaPass) \ 55 DELTA_PASS("operands-one", reduceOperandsOneDeltaPass) \ 56 DELTA_PASS("operands-undef", reduceOperandsUndefDeltaPass) \ 57 DELTA_PASS("operands-to-args", reduceOperandsToArgsDeltaPass) \ 58 DELTA_PASS("operand-bundles", reduceOperandBundesDeltaPass) \ 59 DELTA_PASS("attributes", reduceAttributesDeltaPass) \ 60 DELTA_PASS("module-data", reduceModuleDataDeltaPass) 61 62 static void runAllDeltaPasses(TestRunner &Tester) { 63 #define DELTA_PASS(NAME, FUNC) FUNC(Tester); 64 DELTA_PASSES 65 #undef DELTA_PASS 66 } 67 68 static void runDeltaPassName(TestRunner &Tester, StringRef PassName) { 69 #define DELTA_PASS(NAME, FUNC) \ 70 if (PassName == NAME) { \ 71 FUNC(Tester); \ 72 return; \ 73 } 74 DELTA_PASSES 75 #undef DELTA_PASS 76 errs() << "unknown pass \"" << PassName << "\""; 77 exit(1); 78 } 79 80 void llvm::printDeltaPasses(raw_ostream &OS) { 81 OS << "Delta passes (pass to `--delta-passes=` as a comma separated list):\n"; 82 #define DELTA_PASS(NAME, FUNC) OS << " " << NAME << "\n"; 83 DELTA_PASSES 84 #undef DELTA_PASS 85 } 86 87 void llvm::runDeltaPasses(TestRunner &Tester) { 88 if (DeltaPasses.empty()) { 89 runAllDeltaPasses(Tester); 90 } else { 91 StringRef Passes = DeltaPasses; 92 while (!Passes.empty()) { 93 auto Split = Passes.split(","); 94 runDeltaPassName(Tester, Split.first); 95 Passes = Split.second; 96 } 97 } 98 } 99