aboutsummaryrefslogtreecommitdiffstats
path: root/tools/opt/opt.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'tools/opt/opt.cpp')
-rw-r--r--tools/opt/opt.cpp101
1 files changed, 25 insertions, 76 deletions
diff --git a/tools/opt/opt.cpp b/tools/opt/opt.cpp
index 6ba6340..cdd22e4 100644
--- a/tools/opt/opt.cpp
+++ b/tools/opt/opt.cpp
@@ -109,14 +109,6 @@ DisableOptimizations("disable-opt",
cl::desc("Do not run any optimization passes"));
static cl::opt<bool>
-DisableInternalize("disable-internalize",
- cl::desc("Do not mark all symbols as internal"));
-
-static cl::opt<bool>
-StandardCompileOpts("std-compile-opts",
- cl::desc("Include the standard compile time optimizations"));
-
-static cl::opt<bool>
StandardLinkOpts("std-link-opts",
cl::desc("Include the standard link time optimizations"));
@@ -145,7 +137,7 @@ TargetTriple("mtriple", cl::desc("Override target triple for module"));
static cl::opt<bool>
UnitAtATime("funit-at-a-time",
- cl::desc("Enable IPO. This is same as llvm-gcc's -funit-at-a-time"),
+ cl::desc("Enable IPO. This corresponds to gcc's -funit-at-a-time"),
cl::init(true));
static cl::opt<bool>
@@ -198,9 +190,8 @@ static inline void addPass(PassManagerBase &PM, Pass *P) {
}
}
-/// AddOptimizationPasses - This routine adds optimization passes
-/// based on selected optimization level, OptLevel. This routine
-/// duplicates llvm-gcc behaviour.
+/// This routine adds optimization passes based on selected optimization level,
+/// OptLevel.
///
/// OptLevel - Optimization Level
static void AddOptimizationPasses(PassManagerBase &MPM,FunctionPassManager &FPM,
@@ -238,41 +229,16 @@ static void AddOptimizationPasses(PassManagerBase &MPM,FunctionPassManager &FPM,
Builder.populateModulePassManager(MPM);
}
-static void AddStandardCompilePasses(PassManagerBase &PM) {
- PM.add(createVerifierPass()); // Verify that input is correct
-
- // If the -strip-debug command line option was specified, do it.
- if (StripDebug)
- addPass(PM, createStripSymbolsPass(true));
-
- // Verify debug info only after it's (possibly) stripped.
- PM.add(createDebugInfoVerifierPass());
-
- if (DisableOptimizations) return;
-
- // -std-compile-opts adds the same module passes as -O3.
+static void AddStandardLinkPasses(PassManagerBase &PM) {
PassManagerBuilder Builder;
+ Builder.VerifyInput = true;
+ Builder.StripDebug = StripDebug;
+ if (DisableOptimizations)
+ Builder.OptLevel = 0;
+
if (!DisableInline)
Builder.Inliner = createFunctionInliningPass();
- Builder.OptLevel = 3;
- Builder.populateModulePassManager(PM);
-}
-
-static void AddStandardLinkPasses(PassManagerBase &PM) {
- PM.add(createVerifierPass()); // Verify that input is correct
-
- // If the -strip-debug command line option was specified, do it.
- if (StripDebug)
- addPass(PM, createStripSymbolsPass(true));
-
- // Verify debug info only after it's (possibly) stripped.
- PM.add(createDebugInfoVerifierPass());
-
- if (DisableOptimizations) return;
-
- PassManagerBuilder Builder;
- Builder.populateLTOPassManager(PM, /*Internalize=*/ !DisableInternalize,
- /*RunInliner=*/ !DisableInline);
+ Builder.populateLTOPassManager(PM);
}
//===----------------------------------------------------------------------===//
@@ -355,7 +321,8 @@ int main(int argc, char **argv) {
// For codegen passes, only passes that do IR to IR transformation are
// supported.
initializeCodeGenPreparePass(Registry);
- initializeAtomicExpandLoadLinkedPass(Registry);
+ initializeAtomicExpandPass(Registry);
+ initializeRewriteSymbolsPass(Registry);
#ifdef LINK_POLLY_INTO_TOOLS
polly::initializePollyPasses(Registry);
@@ -372,8 +339,7 @@ int main(int argc, char **argv) {
SMDiagnostic Err;
// Load the input module...
- std::unique_ptr<Module> M;
- M.reset(ParseIRFile(InputFilename, Err, Context));
+ std::unique_ptr<Module> M = parseIRFile(InputFilename, Err, Context);
if (!M.get()) {
Err.print(argv[0], errs());
@@ -395,11 +361,10 @@ int main(int argc, char **argv) {
if (OutputFilename.empty())
OutputFilename = "-";
- std::string ErrorInfo;
- Out.reset(new tool_output_file(OutputFilename.c_str(), ErrorInfo,
- sys::fs::F_None));
- if (!ErrorInfo.empty()) {
- errs() << ErrorInfo << '\n';
+ std::error_code EC;
+ Out.reset(new tool_output_file(OutputFilename, EC, sys::fs::F_None));
+ if (EC) {
+ errs() << EC.message() << '\n';
return 1;
}
}
@@ -452,7 +417,7 @@ int main(int argc, char **argv) {
}
if (DL)
- Passes.add(new DataLayoutPass(M.get()));
+ Passes.add(new DataLayoutPass());
Triple ModuleTriple(M->getTargetTriple());
TargetMachine *Machine = nullptr;
@@ -468,7 +433,7 @@ int main(int argc, char **argv) {
if (OptLevelO1 || OptLevelO2 || OptLevelOs || OptLevelOz || OptLevelO3) {
FPasses.reset(new FunctionPassManager(M.get()));
if (DL)
- FPasses->add(new DataLayoutPass(M.get()));
+ FPasses->add(new DataLayoutPass());
if (TM.get())
TM->addAnalysisPasses(*FPasses);
@@ -480,11 +445,10 @@ int main(int argc, char **argv) {
if (OutputFilename.empty())
OutputFilename = "-";
- std::string ErrorInfo;
- Out.reset(new tool_output_file(OutputFilename.c_str(), ErrorInfo,
- sys::fs::F_None));
- if (!ErrorInfo.empty()) {
- errs() << ErrorInfo << '\n';
+ std::error_code EC;
+ Out.reset(new tool_output_file(OutputFilename, EC, sys::fs::F_None));
+ if (EC) {
+ errs() << EC.message() << '\n';
return 1;
}
}
@@ -492,21 +456,12 @@ int main(int argc, char **argv) {
NoOutput = true;
}
- // If the -strip-debug command line option was specified, add it. If
- // -std-compile-opts was also specified, it will handle StripDebug.
- if (StripDebug && !StandardCompileOpts)
+ // If the -strip-debug command line option was specified, add it.
+ if (StripDebug)
addPass(Passes, createStripSymbolsPass(true));
// Create a new optimization pass for each one specified on the command line
for (unsigned i = 0; i < PassList.size(); ++i) {
- // Check to see if -std-compile-opts was specified before this option. If
- // so, handle it.
- if (StandardCompileOpts &&
- StandardCompileOpts.getPosition() < PassList.getPosition(i)) {
- AddStandardCompilePasses(Passes);
- StandardCompileOpts = false;
- }
-
if (StandardLinkOpts &&
StandardLinkOpts.getPosition() < PassList.getPosition(i)) {
AddStandardLinkPasses(Passes);
@@ -579,12 +534,6 @@ int main(int argc, char **argv) {
Passes.add(createPrintModulePass(errs()));
}
- // If -std-compile-opts was specified at the end of the pass list, add them.
- if (StandardCompileOpts) {
- AddStandardCompilePasses(Passes);
- StandardCompileOpts = false;
- }
-
if (StandardLinkOpts) {
AddStandardLinkPasses(Passes);
StandardLinkOpts = false;
generated by cgit v1.1 at 2024-05-16 19:23:13 +0000