diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Passes/PassBuilder.cpp | 34 | ||||
| -rw-r--r-- | llvm/lib/Passes/PassRegistry.def | 6 |
2 files changed, 39 insertions, 1 deletions
diff --git a/llvm/lib/Passes/PassBuilder.cpp b/llvm/lib/Passes/PassBuilder.cpp index a36956e121c..b26ee96092d 100644 --- a/llvm/lib/Passes/PassBuilder.cpp +++ b/llvm/lib/Passes/PassBuilder.cpp @@ -1422,6 +1422,40 @@ Expected<MemorySanitizerOptions> parseMSanPassOptions(StringRef Params) { return Result; } +/// Parser of parameters for SimplifyCFG pass. +Expected<SimplifyCFGOptions> parseSimplifyCFGOptions(StringRef Params) { + SimplifyCFGOptions Result; + while (!Params.empty()) { + StringRef ParamName; + std::tie(ParamName, Params) = Params.split(';'); + + bool Enable = !ParamName.consume_front("no-"); + if (ParamName == "forward-switch-cond") { + Result.forwardSwitchCondToPhi(Enable); + } else if (ParamName == "switch-to-lookup") { + Result.convertSwitchToLookupTable(Enable); + } else if (ParamName == "keep-loops") { + Result.needCanonicalLoops(Enable); + } else if (ParamName == "sink-common-insts") { + Result.sinkCommonInsts(Enable); + } else if (Enable && ParamName.consume_front("bonus-inst-threshold=")) { + APInt BonusInstThreshold; + if (ParamName.getAsInteger(0, BonusInstThreshold)) + return make_error<StringError>( + formatv("invalid argument to SimplifyCFG pass bonus-threshold " + "parameter: '{0}' ", + ParamName).str(), + inconvertibleErrorCode()); + Result.bonusInstThreshold(BonusInstThreshold.getSExtValue()); + } else { + return make_error<StringError>( + formatv("invalid SimplifyCFG pass parameter '{0}' ", ParamName).str(), + inconvertibleErrorCode()); + } + } + return Result; +} + } // namespace /// Tests whether a pass name starts with a valid prefix for a default pipeline diff --git a/llvm/lib/Passes/PassRegistry.def b/llvm/lib/Passes/PassRegistry.def index 518b10dc5d5..781d6d850bb 100644 --- a/llvm/lib/Passes/PassRegistry.def +++ b/llvm/lib/Passes/PassRegistry.def @@ -218,7 +218,6 @@ FUNCTION_PASS("print<stack-safety-local>", StackSafetyPrinterPass(dbgs())) FUNCTION_PASS("reassociate", ReassociatePass()) FUNCTION_PASS("scalarizer", ScalarizerPass()) FUNCTION_PASS("sccp", SCCPPass()) -FUNCTION_PASS("simplify-cfg", SimplifyCFGPass()) FUNCTION_PASS("sink", SinkingPass()) FUNCTION_PASS("slp-vectorizer", SLPVectorizerPass()) FUNCTION_PASS("speculative-execution", SpeculativeExecutionPass()) @@ -253,6 +252,11 @@ FUNCTION_PASS_WITH_PARAMS("msan", return MemorySanitizerPass(Opts); }, parseMSanPassOptions) +FUNCTION_PASS_WITH_PARAMS("simplify-cfg", + [](SimplifyCFGOptions Opts) { + return SimplifyCFGPass(Opts); + }, + parseSimplifyCFGOptions) #undef FUNCTION_PASS_WITH_PARAMS #ifndef LOOP_ANALYSIS |
