//===----------------------------------------------------------------------===//
#include "Passes.h"
+#include "llvm/Analysis/CGSCCPassManager.h"
+#include "llvm/Analysis/LazyCallGraph.h"
+#include "llvm/IR/IRPrintingPasses.h"
#include "llvm/IR/PassManager.h"
+#include "llvm/IR/Verifier.h"
+#include "llvm/Support/Debug.h"
using namespace llvm;
namespace {
- /// \brief No-op module pass which does nothing.
+/// \brief No-op module pass which does nothing.
struct NoOpModulePass {
PreservedAnalyses run(Module *M) { return PreservedAnalyses::all(); }
static StringRef name() { return "NoOpModulePass"; }
};
+/// \brief No-op CGSCC pass which does nothing.
+struct NoOpCGSCCPass {
+ PreservedAnalyses run(LazyCallGraph::SCC *C) {
+ return PreservedAnalyses::all();
+ }
+ static StringRef name() { return "NoOpCGSCCPass"; }
+};
+
+/// \brief No-op function pass which does nothing.
+struct NoOpFunctionPass {
+ PreservedAnalyses run(Function *F) { return PreservedAnalyses::all(); }
+ static StringRef name() { return "NoOpFunctionPass"; }
+};
+
} // End anonymous namespace.
-// FIXME: Factor all of the parsing logic into a .def file that we include
-// under different macros.
static bool isModulePassName(StringRef Name) {
if (Name == "no-op-module") return true;
+#define MODULE_PASS(NAME, CREATE_PASS) if (Name == NAME) return true;
+#include "PassRegistry.def"
+
+ return false;
+}
+
+static bool isCGSCCPassName(StringRef Name) {
+ if (Name == "no-op-cgscc") return true;
+
+#define CGSCC_PASS(NAME, CREATE_PASS) if (Name == NAME) return true;
+#include "PassRegistry.def"
+
+ return false;
+}
+
+static bool isFunctionPassName(StringRef Name) {
+ if (Name == "no-op-function") return true;
+
+#define FUNCTION_PASS(NAME, CREATE_PASS) if (Name == NAME) return true;
+#include "PassRegistry.def"
+
return false;
}
static bool parseModulePassName(ModulePassManager &MPM, StringRef Name) {
- assert(isModulePassName(Name));
if (Name == "no-op-module") {
MPM.addPass(NoOpModulePass());
return true;
}
+
+#define MODULE_PASS(NAME, CREATE_PASS) \
+ if (Name == NAME) { \
+ MPM.addPass(CREATE_PASS); \
+ return true; \
+ }
+#include "PassRegistry.def"
+
+ return false;
+}
+
+static bool parseCGSCCPassName(CGSCCPassManager &CGPM, StringRef Name) {
+ if (Name == "no-op-cgscc") {
+ CGPM.addPass(NoOpCGSCCPass());
+ return true;
+ }
+
+#define CGSCC_PASS(NAME, CREATE_PASS) \
+ if (Name == NAME) { \
+ CGPM.addPass(CREATE_PASS); \
+ return true; \
+ }
+#include "PassRegistry.def"
+
+ return false;
+}
+
+static bool parseFunctionPassName(FunctionPassManager &FPM, StringRef Name) {
+ if (Name == "no-op-function") {
+ FPM.addPass(NoOpFunctionPass());
+ return true;
+ }
+
+#define FUNCTION_PASS(NAME, CREATE_PASS) \
+ if (Name == NAME) { \
+ FPM.addPass(CREATE_PASS); \
+ return true; \
+ }
+#include "PassRegistry.def"
+
return false;
}
+static bool parseFunctionPassPipeline(FunctionPassManager &FPM,
+ StringRef &PipelineText,
+ bool VerifyEachPass) {
+ for (;;) {
+ // Parse nested pass managers by recursing.
+ if (PipelineText.startswith("function(")) {
+ FunctionPassManager NestedFPM;
+
+ // Parse the inner pipeline inte the nested manager.
+ PipelineText = PipelineText.substr(strlen("function("));
+ if (!parseFunctionPassPipeline(NestedFPM, PipelineText, VerifyEachPass) ||
+ PipelineText.empty())
+ return false;
+ assert(PipelineText[0] == ')');
+ PipelineText = PipelineText.substr(1);
+
+ // Add the nested pass manager with the appropriate adaptor.
+ FPM.addPass(std::move(NestedFPM));
+ } else {
+ // Otherwise try to parse a pass name.
+ size_t End = PipelineText.find_first_of(",)");
+ if (!parseFunctionPassName(FPM, PipelineText.substr(0, End)))
+ return false;
+ if (VerifyEachPass)
+ FPM.addPass(VerifierPass());
+
+ PipelineText = PipelineText.substr(End);
+ }
+
+ if (PipelineText.empty() || PipelineText[0] == ')')
+ return true;
+
+ assert(PipelineText[0] == ',');
+ PipelineText = PipelineText.substr(1);
+ }
+}
+
+static bool parseCGSCCPassPipeline(CGSCCPassManager &CGPM,
+ StringRef &PipelineText,
+ bool VerifyEachPass) {
+ for (;;) {
+ // Parse nested pass managers by recursing.
+ if (PipelineText.startswith("cgscc(")) {
+ CGSCCPassManager NestedCGPM;
+
+ // Parse the inner pipeline into the nested manager.
+ PipelineText = PipelineText.substr(strlen("cgscc("));
+ if (!parseCGSCCPassPipeline(NestedCGPM, PipelineText, VerifyEachPass) ||
+ PipelineText.empty())
+ return false;
+ assert(PipelineText[0] == ')');
+ PipelineText = PipelineText.substr(1);
+
+ // Add the nested pass manager with the appropriate adaptor.
+ CGPM.addPass(std::move(NestedCGPM));
+ } else if (PipelineText.startswith("function(")) {
+ FunctionPassManager NestedFPM;
+
+ // Parse the inner pipeline inte the nested manager.
+ PipelineText = PipelineText.substr(strlen("function("));
+ if (!parseFunctionPassPipeline(NestedFPM, PipelineText, VerifyEachPass) ||
+ PipelineText.empty())
+ return false;
+ assert(PipelineText[0] == ')');
+ PipelineText = PipelineText.substr(1);
+
+ // Add the nested pass manager with the appropriate adaptor.
+ CGPM.addPass(createCGSCCToFunctionPassAdaptor(std::move(NestedFPM)));
+ } else {
+ // Otherwise try to parse a pass name.
+ size_t End = PipelineText.find_first_of(",)");
+ if (!parseCGSCCPassName(CGPM, PipelineText.substr(0, End)))
+ return false;
+ // FIXME: No verifier support for CGSCC passes!
+
+ PipelineText = PipelineText.substr(End);
+ }
+
+ if (PipelineText.empty() || PipelineText[0] == ')')
+ return true;
+
+ assert(PipelineText[0] == ',');
+ PipelineText = PipelineText.substr(1);
+ }
+}
+
static bool parseModulePassPipeline(ModulePassManager &MPM,
- StringRef &PipelineText) {
+ StringRef &PipelineText,
+ bool VerifyEachPass) {
for (;;) {
// Parse nested pass managers by recursing.
if (PipelineText.startswith("module(")) {
+ ModulePassManager NestedMPM;
+
+ // Parse the inner pipeline into the nested manager.
PipelineText = PipelineText.substr(strlen("module("));
- if (!parseModulePassPipeline(MPM, PipelineText))
+ if (!parseModulePassPipeline(NestedMPM, PipelineText, VerifyEachPass) ||
+ PipelineText.empty())
return false;
- assert(!PipelineText.empty() && PipelineText[0] == ')');
+ assert(PipelineText[0] == ')');
PipelineText = PipelineText.substr(1);
+
+ // Now add the nested manager as a module pass.
+ MPM.addPass(std::move(NestedMPM));
+ } else if (PipelineText.startswith("cgscc(")) {
+ CGSCCPassManager NestedCGPM;
+
+ // Parse the inner pipeline inte the nested manager.
+ PipelineText = PipelineText.substr(strlen("cgscc("));
+ if (!parseCGSCCPassPipeline(NestedCGPM, PipelineText, VerifyEachPass) ||
+ PipelineText.empty())
+ return false;
+ assert(PipelineText[0] == ')');
+ PipelineText = PipelineText.substr(1);
+
+ // Add the nested pass manager with the appropriate adaptor.
+ MPM.addPass(
+ createModuleToPostOrderCGSCCPassAdaptor(std::move(NestedCGPM)));
+ } else if (PipelineText.startswith("function(")) {
+ FunctionPassManager NestedFPM;
+
+ // Parse the inner pipeline inte the nested manager.
+ PipelineText = PipelineText.substr(strlen("function("));
+ if (!parseFunctionPassPipeline(NestedFPM, PipelineText, VerifyEachPass) ||
+ PipelineText.empty())
+ return false;
+ assert(PipelineText[0] == ')');
+ PipelineText = PipelineText.substr(1);
+
+ // Add the nested pass manager with the appropriate adaptor.
+ MPM.addPass(createModuleToFunctionPassAdaptor(std::move(NestedFPM)));
} else {
// Otherwise try to parse a pass name.
size_t End = PipelineText.find_first_of(",)");
if (!parseModulePassName(MPM, PipelineText.substr(0, End)))
return false;
+ if (VerifyEachPass)
+ MPM.addPass(VerifierPass());
PipelineText = PipelineText.substr(End);
}
// Primary pass pipeline description parsing routine.
// FIXME: Should this routine accept a TargetMachine or require the caller to
// pre-populate the analysis managers with target-specific stuff?
-bool llvm::parsePassPipeline(ModulePassManager &MPM, StringRef PipelineText) {
+bool llvm::parsePassPipeline(ModulePassManager &MPM, StringRef PipelineText,
+ bool VerifyEachPass) {
// Look at the first entry to figure out which layer to start parsing at.
if (PipelineText.startswith("module("))
- return parseModulePassPipeline(MPM, PipelineText);
-
- // FIXME: Support parsing function pass manager nests.
+ return parseModulePassPipeline(MPM, PipelineText, VerifyEachPass) &&
+ PipelineText.empty();
+ if (PipelineText.startswith("cgscc(")) {
+ CGSCCPassManager CGPM;
+ if (!parseCGSCCPassPipeline(CGPM, PipelineText, VerifyEachPass) ||
+ !PipelineText.empty())
+ return false;
+ MPM.addPass(createModuleToPostOrderCGSCCPassAdaptor(std::move(CGPM)));
+ return true;
+ }
+ if (PipelineText.startswith("function(")) {
+ FunctionPassManager FPM;
+ if (!parseFunctionPassPipeline(FPM, PipelineText, VerifyEachPass) ||
+ !PipelineText.empty())
+ return false;
+ MPM.addPass(createModuleToFunctionPassAdaptor(std::move(FPM)));
+ return true;
+ }
// This isn't a direct pass manager name, look for the end of a pass name.
- StringRef FirstName = PipelineText.substr(0, PipelineText.find_first_of(","));
+ StringRef FirstName =
+ PipelineText.substr(0, PipelineText.find_first_of(",)"));
if (isModulePassName(FirstName))
- return parseModulePassPipeline(MPM, PipelineText);
+ return parseModulePassPipeline(MPM, PipelineText, VerifyEachPass) &&
+ PipelineText.empty();
+
+ if (isCGSCCPassName(FirstName)) {
+ CGSCCPassManager CGPM;
+ if (!parseCGSCCPassPipeline(CGPM, PipelineText, VerifyEachPass) ||
+ !PipelineText.empty())
+ return false;
+ MPM.addPass(createModuleToPostOrderCGSCCPassAdaptor(std::move(CGPM)));
+ return true;
+ }
- // FIXME: Support parsing function pass names.
+ if (isFunctionPassName(FirstName)) {
+ FunctionPassManager FPM;
+ if (!parseFunctionPassPipeline(FPM, PipelineText, VerifyEachPass) ||
+ !PipelineText.empty())
+ return false;
+ MPM.addPass(createModuleToFunctionPassAdaptor(std::move(FPM)));
+ return true;
+ }
return false;
}
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