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