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-rw-r--r--contrib/llvm-project/llvm/tools/llc/llc.cpp124
1 files changed, 79 insertions, 45 deletions
diff --git a/contrib/llvm-project/llvm/tools/llc/llc.cpp b/contrib/llvm-project/llvm/tools/llc/llc.cpp
index 95f2963ecbd6..48f0adf7c726 100644
--- a/contrib/llvm-project/llvm/tools/llc/llc.cpp
+++ b/contrib/llvm-project/llvm/tools/llc/llc.cpp
@@ -37,6 +37,7 @@
#include "llvm/InitializePasses.h"
#include "llvm/MC/SubtargetFeature.h"
#include "llvm/Pass.h"
+#include "llvm/Remarks/HotnessThresholdParser.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/FileSystem.h"
@@ -81,6 +82,15 @@ TimeCompilations("time-compilations", cl::Hidden, cl::init(1u),
cl::value_desc("N"),
cl::desc("Repeat compilation N times for timing"));
+static cl::opt<std::string>
+ BinutilsVersion("binutils-version", cl::Hidden,
+ cl::desc("Produced object files can use all ELF features "
+ "supported by this binutils version and newer."
+ "If -no-integrated-as is specified, the generated "
+ "assembly will consider GNU as support."
+ "'none' means that all ELF features can be used, "
+ "regardless of binutils support"));
+
static cl::opt<bool>
NoIntegratedAssembler("no-integrated-as", cl::Hidden,
cl::desc("Disable integrated assembler"));
@@ -142,11 +152,13 @@ static cl::opt<bool> RemarksWithHotness(
cl::desc("With PGO, include profile count in optimization remarks"),
cl::Hidden);
-static cl::opt<unsigned>
- RemarksHotnessThreshold("pass-remarks-hotness-threshold",
- cl::desc("Minimum profile count required for "
- "an optimization remark to be output"),
- cl::Hidden);
+static cl::opt<Optional<uint64_t>, false, remarks::HotnessThresholdParser>
+ RemarksHotnessThreshold(
+ "pass-remarks-hotness-threshold",
+ cl::desc("Minimum profile count required for "
+ "an optimization remark to be output. "
+ "Use 'auto' to apply the threshold from profile summary."),
+ cl::value_desc("N or 'auto'"), cl::init(0), cl::Hidden);
static cl::opt<std::string>
RemarksFilename("pass-remarks-output",
@@ -188,6 +200,25 @@ static cl::opt<RunPassOption, true, cl::parser<std::string>> RunPass(
static int compileModule(char **, LLVMContext &);
+LLVM_ATTRIBUTE_NORETURN static void reportError(Twine Msg,
+ StringRef Filename = "") {
+ SmallString<256> Prefix;
+ if (!Filename.empty()) {
+ if (Filename == "-")
+ Filename = "<stdin>";
+ ("'" + Twine(Filename) + "': ").toStringRef(Prefix);
+ }
+ WithColor::error(errs(), "llc") << Prefix << Msg << "\n";
+ exit(1);
+}
+
+LLVM_ATTRIBUTE_NORETURN static void reportError(Error Err, StringRef Filename) {
+ assert(Err);
+ handleAllErrors(createFileError(Filename, std::move(Err)),
+ [&](const ErrorInfoBase &EI) { reportError(EI.message()); });
+ llvm_unreachable("reportError() should not return");
+}
+
static std::unique_ptr<ToolOutputFile> GetOutputStream(const char *TargetName,
Triple::OSType OS,
const char *ProgName) {
@@ -224,7 +255,7 @@ static std::unique_ptr<ToolOutputFile> GetOutputStream(const char *TargetName,
OutputFilename += ".o";
break;
case CGFT_Null:
- OutputFilename += ".null";
+ OutputFilename = "-";
break;
}
}
@@ -248,7 +279,7 @@ static std::unique_ptr<ToolOutputFile> GetOutputStream(const char *TargetName,
OpenFlags |= sys::fs::OF_Text;
auto FDOut = std::make_unique<ToolOutputFile>(OutputFilename, EC, OpenFlags);
if (EC) {
- WithColor::error() << EC.message() << '\n';
+ reportError(EC.message());
return nullptr;
}
@@ -316,7 +347,7 @@ int main(int argc, char **argv) {
initializeConstantHoistingLegacyPassPass(*Registry);
initializeScalarOpts(*Registry);
initializeVectorization(*Registry);
- initializeScalarizeMaskedMemIntrinPass(*Registry);
+ initializeScalarizeMaskedMemIntrinLegacyPassPass(*Registry);
initializeExpandReductionsPass(*Registry);
initializeHardwareLoopsPass(*Registry);
initializeTransformUtils(*Registry);
@@ -341,18 +372,12 @@ int main(int argc, char **argv) {
setupLLVMOptimizationRemarks(Context, RemarksFilename, RemarksPasses,
RemarksFormat, RemarksWithHotness,
RemarksHotnessThreshold);
- if (Error E = RemarksFileOrErr.takeError()) {
- WithColor::error(errs(), argv[0]) << toString(std::move(E)) << '\n';
- return 1;
- }
+ if (Error E = RemarksFileOrErr.takeError())
+ reportError(std::move(E), RemarksFilename);
std::unique_ptr<ToolOutputFile> RemarksFile = std::move(*RemarksFileOrErr);
- if (InputLanguage != "" && InputLanguage != "ir" &&
- InputLanguage != "mir") {
- WithColor::error(errs(), argv[0])
- << "input language must be '', 'IR' or 'MIR'\n";
- return 1;
- }
+ if (InputLanguage != "" && InputLanguage != "ir" && InputLanguage != "mir")
+ reportError("input language must be '', 'IR' or 'MIR'");
// Compile the module TimeCompilations times to give better compile time
// metrics.
@@ -424,14 +449,32 @@ static int compileModule(char **argv, LLVMContext &Context) {
case '3': OLvl = CodeGenOpt::Aggressive; break;
}
- TargetOptions Options = codegen::InitTargetOptionsFromCodeGenFlags();
- Options.DisableIntegratedAS = NoIntegratedAssembler;
- Options.MCOptions.ShowMCEncoding = ShowMCEncoding;
- Options.MCOptions.MCUseDwarfDirectory = EnableDwarfDirectory;
- Options.MCOptions.AsmVerbose = AsmVerbose;
- Options.MCOptions.PreserveAsmComments = PreserveComments;
- Options.MCOptions.IASSearchPaths = IncludeDirs;
- Options.MCOptions.SplitDwarfFile = SplitDwarfFile;
+ // Parse 'none' or '$major.$minor'. Disallow -binutils-version=0 because we
+ // use that to indicate the MC default.
+ if (!BinutilsVersion.empty() && BinutilsVersion != "none") {
+ StringRef V = BinutilsVersion.getValue();
+ unsigned Num;
+ if (V.consumeInteger(10, Num) || Num == 0 ||
+ !(V.empty() ||
+ (V.consume_front(".") && !V.consumeInteger(10, Num) && V.empty()))) {
+ WithColor::error(errs(), argv[0])
+ << "invalid -binutils-version, accepting 'none' or major.minor\n";
+ return 1;
+ }
+ }
+ TargetOptions Options;
+ auto InitializeOptions = [&](const Triple &TheTriple) {
+ Options = codegen::InitTargetOptionsFromCodeGenFlags(TheTriple);
+ Options.BinutilsVersion =
+ TargetMachine::parseBinutilsVersion(BinutilsVersion);
+ Options.DisableIntegratedAS = NoIntegratedAssembler;
+ Options.MCOptions.ShowMCEncoding = ShowMCEncoding;
+ Options.MCOptions.MCUseDwarfDirectory = EnableDwarfDirectory;
+ Options.MCOptions.AsmVerbose = AsmVerbose;
+ Options.MCOptions.PreserveAsmComments = PreserveComments;
+ Options.MCOptions.IASSearchPaths = IncludeDirs;
+ Options.MCOptions.SplitDwarfFile = SplitDwarfFile;
+ };
Optional<Reloc::Model> RM = codegen::getExplicitRelocModel();
@@ -460,12 +503,11 @@ static int compileModule(char **argv, LLVMContext &Context) {
// On AIX, setting the relocation model to anything other than PIC is
// considered a user error.
- if (TheTriple.isOSAIX() && RM.hasValue() && *RM != Reloc::PIC_) {
- WithColor::error(errs(), argv[0])
- << "invalid relocation model, AIX only supports PIC.\n";
- exit(1);
- }
+ if (TheTriple.isOSAIX() && RM.hasValue() && *RM != Reloc::PIC_)
+ reportError("invalid relocation model, AIX only supports PIC",
+ InputFilename);
+ InitializeOptions(TheTriple);
Target = std::unique_ptr<TargetMachine>(TheTarget->createTargetMachine(
TheTriple.getTriple(), CPUStr, FeaturesStr, Options, RM,
codegen::getExplicitCodeModel(), OLvl));
@@ -510,6 +552,7 @@ static int compileModule(char **argv, LLVMContext &Context) {
return 1;
}
+ InitializeOptions(TheTriple);
Target = std::unique_ptr<TargetMachine>(TheTarget->createTargetMachine(
TheTriple.getTriple(), CPUStr, FeaturesStr, Options, RM,
codegen::getExplicitCodeModel(), OLvl));
@@ -535,10 +578,8 @@ static int compileModule(char **argv, LLVMContext &Context) {
std::error_code EC;
DwoOut = std::make_unique<ToolOutputFile>(SplitDwarfOutputFile, EC,
sys::fs::OF_None);
- if (EC) {
- WithColor::error(errs(), argv[0]) << EC.message() << '\n';
- return 1;
- }
+ if (EC)
+ reportError(EC.message(), SplitDwarfOutputFile);
}
// Build up all of the passes that we want to do to the module.
@@ -554,12 +595,8 @@ static int compileModule(char **argv, LLVMContext &Context) {
// Verify module immediately to catch problems before doInitialization() is
// called on any passes.
- if (!NoVerify && verifyModule(*M, &errs())) {
- std::string Prefix =
- (Twine(argv[0]) + Twine(": ") + Twine(InputFilename)).str();
- WithColor::error(errs(), Prefix) << "input module is broken!\n";
- return 1;
- }
+ if (!NoVerify && verifyModule(*M, &errs()))
+ reportError("input module cannot be verified", InputFilename);
// Override function attributes based on CPUStr, FeaturesStr, and command line
// flags.
@@ -618,10 +655,7 @@ static int compileModule(char **argv, LLVMContext &Context) {
} else if (Target->addPassesToEmitFile(
PM, *OS, DwoOut ? &DwoOut->os() : nullptr,
codegen::getFileType(), NoVerify, MMIWP)) {
- WithColor::warning(errs(), argv[0])
- << "target does not support generation of this"
- << " file type!\n";
- return 1;
+ reportError("target does not support generation of this file type");
}
const_cast<TargetLoweringObjectFile *>(LLVMTM.getObjFileLowering())
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-22 00:45:55 +0000