[Passes] Expose parseSinglePassOption (#86226)

Reland #86225, adjust the name space.

Author: paperchalice

llvm/include/llvm/Passes/PassBuilder.h

@@ -672,6 +672,13 @@ class PassBuilder {
     return Result;
   }
 
+  /// Handle passes only accept one bool-valued parameter.
+  ///
+  /// \return false when Params is empty.
+  static Expected<bool> parseSinglePassOption(StringRef Params,
+                                              StringRef OptionName,
+                                              StringRef PassName);
+
 private:
   // O1 pass pipeline
   FunctionPassManager

llvm/lib/Passes/PassBuilder.cpp

@@ -514,6 +514,26 @@ static std::optional<OptimizationLevel> parseOptLevel(StringRef S) {
       .Default(std::nullopt);
 }
 
+Expected<bool> PassBuilder::parseSinglePassOption(StringRef Params,
+                                                  StringRef OptionName,
+                                                  StringRef PassName) {
+  bool Result = false;
+  while (!Params.empty()) {
+    StringRef ParamName;
+    std::tie(ParamName, Params) = Params.split(';');
+
+    if (ParamName == OptionName) {
+      Result = true;
+    } else {
+      return make_error<StringError>(
+          formatv("invalid {1} pass parameter '{0}' ", ParamName, PassName)
+              .str(),
+          inconvertibleErrorCode());
+    }
+  }
+  return Result;
+}
+
 namespace {
 
 /// Parser of parameters for HardwareLoops  pass.
@@ -600,44 +620,29 @@ Expected<LoopUnrollOptions> parseLoopUnrollOptions(StringRef Params) {
   return UnrollOpts;
 }
 
-Expected<bool> parseSinglePassOption(StringRef Params, StringRef OptionName,
-                                     StringRef PassName) {
-  bool Result = false;
-  while (!Params.empty()) {
-    StringRef ParamName;
-    std::tie(ParamName, Params) = Params.split(';');
-
-    if (ParamName == OptionName) {
-      Result = true;
-    } else {
-      return make_error<StringError>(
-          formatv("invalid {1} pass parameter '{0}' ", ParamName, PassName)
-              .str(),
-          inconvertibleErrorCode());
-    }
-  }
-  return Result;
-}
-
 Expected<bool> parseGlobalDCEPassOptions(StringRef Params) {
-  return parseSinglePassOption(Params, "vfe-linkage-unit-visibility", "GlobalDCE");
+  return PassBuilder::parseSinglePassOption(
+      Params, "vfe-linkage-unit-visibility", "GlobalDCE");
 }
 
 Expected<bool> parseCGProfilePassOptions(StringRef Params) {
-  return parseSinglePassOption(Params, "in-lto-post-link", "CGProfile");
+  return PassBuilder::parseSinglePassOption(Params, "in-lto-post-link",
+                                            "CGProfile");
 }
 
 Expected<bool> parseInlinerPassOptions(StringRef Params) {
-  return parseSinglePassOption(Params, "only-mandatory", "InlinerPass");
+  return PassBuilder::parseSinglePassOption(Params, "only-mandatory",
+                                            "InlinerPass");
 }
 
 Expected<bool> parseCoroSplitPassOptions(StringRef Params) {
-  return parseSinglePassOption(Params, "reuse-storage", "CoroSplitPass");
+  return PassBuilder::parseSinglePassOption(Params, "reuse-storage",
+                                            "CoroSplitPass");
 }
 
 Expected<bool> parsePostOrderFunctionAttrsPassOptions(StringRef Params) {
-  return parseSinglePassOption(Params, "skip-non-recursive-function-attrs",
-                               "PostOrderFunctionAttrs");
+  return PassBuilder::parseSinglePassOption(
+      Params, "skip-non-recursive-function-attrs", "PostOrderFunctionAttrs");
 }
 
 Expected<CFGuardPass::Mechanism> parseCFGuardPassOptions(StringRef Params) {
@@ -661,19 +666,21 @@ Expected<CFGuardPass::Mechanism> parseCFGuardPassOptions(StringRef Params) {
 }
 
 Expected<bool> parseEarlyCSEPassOptions(StringRef Params) {
-  return parseSinglePassOption(Params, "memssa", "EarlyCSE");
+  return PassBuilder::parseSinglePassOption(Params, "memssa", "EarlyCSE");
 }
 
 Expected<bool> parseEntryExitInstrumenterPassOptions(StringRef Params) {
-  return parseSinglePassOption(Params, "post-inline", "EntryExitInstrumenter");
+  return PassBuilder::parseSinglePassOption(Params, "post-inline",
+                                            "EntryExitInstrumenter");
 }
 
 Expected<bool> parseLoopExtractorPassOptions(StringRef Params) {
-  return parseSinglePassOption(Params, "single", "LoopExtractor");
+  return PassBuilder::parseSinglePassOption(Params, "single", "LoopExtractor");
 }
 
 Expected<bool> parseLowerMatrixIntrinsicsPassOptions(StringRef Params) {
-  return parseSinglePassOption(Params, "minimal", "LowerMatrixIntrinsics");
+  return PassBuilder::parseSinglePassOption(Params, "minimal",
+                                            "LowerMatrixIntrinsics");
 }
 
 Expected<AddressSanitizerOptions> parseASanPassOptions(StringRef Params) {
@@ -1013,13 +1020,13 @@ parseStackLifetimeOptions(StringRef Params) {
 }
 
 Expected<bool> parseDependenceAnalysisPrinterOptions(StringRef Params) {
-  return parseSinglePassOption(Params, "normalized-results",
-                               "DependenceAnalysisPrinter");
+  return PassBuilder::parseSinglePassOption(Params, "normalized-results",
+                                            "DependenceAnalysisPrinter");
 }
 
 Expected<bool> parseSeparateConstOffsetFromGEPPassOptions(StringRef Params) {
-  return parseSinglePassOption(Params, "lower-gep",
-                               "SeparateConstOffsetFromGEP");
+  return PassBuilder::parseSinglePassOption(Params, "lower-gep",
+                                            "SeparateConstOffsetFromGEP");
 }
 
 Expected<OptimizationLevel>
@@ -1035,13 +1042,13 @@ parseFunctionSimplificationPipelineOptions(StringRef Params) {
 }
 
 Expected<bool> parseMemorySSAPrinterPassOptions(StringRef Params) {
-  return parseSinglePassOption(Params, "no-ensure-optimized-uses",
-                               "MemorySSAPrinterPass");
+  return PassBuilder::parseSinglePassOption(Params, "no-ensure-optimized-uses",
+                                            "MemorySSAPrinterPass");
 }
 
 Expected<bool> parseSpeculativeExecutionPassOptions(StringRef Params) {
-  return parseSinglePassOption(Params, "only-if-divergent-target",
-                               "SpeculativeExecutionPass");
+  return PassBuilder::parseSinglePassOption(Params, "only-if-divergent-target",
+                                            "SpeculativeExecutionPass");
 }
 
 Expected<std::string> parseMemProfUsePassOptions(StringRef Params) {
@@ -1062,13 +1069,13 @@ Expected<std::string> parseMemProfUsePassOptions(StringRef Params) {
 }
 
 Expected<bool> parseStructuralHashPrinterPassOptions(StringRef Params) {
-  return parseSinglePassOption(Params, "detailed",
-                               "StructuralHashPrinterPass");
+  return PassBuilder::parseSinglePassOption(Params, "detailed",
+                                            "StructuralHashPrinterPass");
 }
 
 Expected<bool> parseWinEHPrepareOptions(StringRef Params) {
-  return parseSinglePassOption(Params, "demote-catchswitch-only",
-                               "WinEHPreparePass");
+  return PassBuilder::parseSinglePassOption(Params, "demote-catchswitch-only",
+                                            "WinEHPreparePass");
 }
 
 Expected<GlobalMergeOptions> parseGlobalMergeOptions(StringRef Params) {