#include "llvm/IR/LLVMContext.h"
#include "LLVMContextImpl.h"
#include "llvm/IR/Constants.h"
+#include "llvm/IR/DebugLoc.h"
+#include "llvm/IR/DiagnosticInfo.h"
+#include "llvm/IR/DiagnosticPrinter.h"
#include "llvm/IR/Instruction.h"
#include "llvm/IR/Metadata.h"
-#include "llvm/Support/DiagnosticInfo.h"
-#include "llvm/Support/DiagnosticPrinter.h"
#include "llvm/Support/ManagedStatic.h"
#include "llvm/Support/SourceMgr.h"
#include <cctype>
unsigned InvariantLdId = getMDKindID("invariant.load");
assert(InvariantLdId == MD_invariant_load && "invariant.load kind id drifted");
(void)InvariantLdId;
+
+ // Create the 'alias.scope' metadata kind.
+ unsigned AliasScopeID = getMDKindID("alias.scope");
+ assert(AliasScopeID == MD_alias_scope && "alias.scope kind id drifted");
+ (void)AliasScopeID;
+
+ // Create the 'noalias' metadata kind.
+ unsigned NoAliasID = getMDKindID("noalias");
+ assert(NoAliasID == MD_noalias && "noalias kind id drifted");
+ (void)NoAliasID;
+
+ // Create the 'nontemporal' metadata kind.
+ unsigned NonTemporalID = getMDKindID("nontemporal");
+ assert(NonTemporalID == MD_nontemporal && "nontemporal kind id drifted");
+ (void)NonTemporalID;
+
+ // Create the 'llvm.mem.parallel_loop_access' metadata kind.
+ unsigned MemParallelLoopAccessID = getMDKindID("llvm.mem.parallel_loop_access");
+ assert(MemParallelLoopAccessID == MD_mem_parallel_loop_access &&
+ "mem_parallel_loop_access kind id drifted");
+ (void)MemParallelLoopAccessID;
+
+
+ // Create the 'nonnull' metadata kind.
+ unsigned NonNullID = getMDKindID("nonnull");
+ assert(NonNullID == MD_nonnull && "nonnull kind id drifted");
+ (void)NonNullID;
}
LLVMContext::~LLVMContext() { delete pImpl; }
}
void LLVMContext::setDiagnosticHandler(DiagnosticHandlerTy DiagnosticHandler,
- void *DiagnosticContext) {
+ void *DiagnosticContext,
+ bool RespectFilters) {
pImpl->DiagnosticHandler = DiagnosticHandler;
pImpl->DiagnosticContext = DiagnosticContext;
+ pImpl->RespectDiagnosticFilters = RespectFilters;
}
LLVMContext::DiagnosticHandlerTy LLVMContext::getDiagnosticHandler() const {
return pImpl->DiagnosticContext;
}
+void LLVMContext::setYieldCallback(YieldCallbackTy Callback, void *OpaqueHandle)
+{
+ pImpl->YieldCallback = Callback;
+ pImpl->YieldOpaqueHandle = OpaqueHandle;
+}
+
+void LLVMContext::yield() {
+ if (pImpl->YieldCallback)
+ pImpl->YieldCallback(this, pImpl->YieldOpaqueHandle);
+}
+
void LLVMContext::emitError(const Twine &ErrorStr) {
- emitError(0U, ErrorStr);
+ diagnose(DiagnosticInfoInlineAsm(ErrorStr));
}
void LLVMContext::emitError(const Instruction *I, const Twine &ErrorStr) {
- unsigned LocCookie = 0;
- if (const MDNode *SrcLoc = I->getMetadata("srcloc")) {
- if (SrcLoc->getNumOperands() != 0)
- if (const ConstantInt *CI = dyn_cast<ConstantInt>(SrcLoc->getOperand(0)))
- LocCookie = CI->getZExtValue();
+ assert (I && "Invalid instruction");
+ diagnose(DiagnosticInfoInlineAsm(*I, ErrorStr));
+}
+
+static bool isDiagnosticEnabled(const DiagnosticInfo &DI) {
+ // Optimization remarks are selective. They need to check whether the regexp
+ // pattern, passed via one of the -pass-remarks* flags, matches the name of
+ // the pass that is emitting the diagnostic. If there is no match, ignore the
+ // diagnostic and return.
+ switch (DI.getKind()) {
+ case llvm::DK_OptimizationRemark:
+ if (!cast<DiagnosticInfoOptimizationRemark>(DI).isEnabled())
+ return false;
+ break;
+ case llvm::DK_OptimizationRemarkMissed:
+ if (!cast<DiagnosticInfoOptimizationRemarkMissed>(DI).isEnabled())
+ return false;
+ break;
+ case llvm::DK_OptimizationRemarkAnalysis:
+ if (!cast<DiagnosticInfoOptimizationRemarkAnalysis>(DI).isEnabled())
+ return false;
+ break;
+ default:
+ break;
}
- return emitError(LocCookie, ErrorStr);
+ return true;
}
void LLVMContext::diagnose(const DiagnosticInfo &DI) {
// If there is a report handler, use it.
- if (pImpl->DiagnosticHandler != 0) {
- pImpl->DiagnosticHandler(DI, pImpl->DiagnosticContext);
+ if (pImpl->DiagnosticHandler) {
+ if (!pImpl->RespectDiagnosticFilters || isDiagnosticEnabled(DI))
+ pImpl->DiagnosticHandler(DI, pImpl->DiagnosticContext);
return;
}
+
+ if (!isDiagnosticEnabled(DI))
+ return;
+
// Otherwise, print the message with a prefix based on the severity.
std::string MsgStorage;
raw_string_ostream Stream(MsgStorage);
case DS_Warning:
errs() << "warning: " << MsgStorage << "\n";
break;
+ case DS_Remark:
+ errs() << "remark: " << MsgStorage << "\n";
+ break;
case DS_Note:
errs() << "note: " << MsgStorage << "\n";
break;
}
void LLVMContext::emitError(unsigned LocCookie, const Twine &ErrorStr) {
- // If there is no error handler installed, just print the error and exit.
- if (pImpl->InlineAsmDiagHandler == 0) {
- errs() << "error: " << ErrorStr << "\n";
- exit(1);
- }
-
- // If we do have an error handler, we can report the error and keep going.
- SMDiagnostic Diag("", SourceMgr::DK_Error, ErrorStr.str());
-
- pImpl->InlineAsmDiagHandler(Diag, pImpl->InlineAsmDiagContext, LocCookie);
+ diagnose(DiagnosticInfoInlineAsm(LocCookie, ErrorStr));
}
//===----------------------------------------------------------------------===//
// Metadata Kind Uniquing
//===----------------------------------------------------------------------===//
-#ifndef NDEBUG
-/// isValidName - Return true if Name is a valid custom metadata handler name.
-static bool isValidName(StringRef MDName) {
- if (MDName.empty())
- return false;
-
- if (!std::isalpha(static_cast<unsigned char>(MDName[0])))
- return false;
-
- for (StringRef::iterator I = MDName.begin() + 1, E = MDName.end(); I != E;
- ++I) {
- if (!std::isalnum(static_cast<unsigned char>(*I)) && *I != '_' &&
- *I != '-' && *I != '.')
- return false;
- }
- return true;
-}
-#endif
-
/// getMDKindID - Return a unique non-zero ID for the specified metadata kind.
unsigned LLVMContext::getMDKindID(StringRef Name) const {
- assert(isValidName(Name) && "Invalid MDNode name");
+ assert(!std::isdigit(Name.front()) &&
+ "Named metadata may not start with a digit");
// If this is new, assign it its ID.
- return
- pImpl->CustomMDKindNames.GetOrCreateValue(
- Name, pImpl->CustomMDKindNames.size()).second;
+ return pImpl->CustomMDKindNames.insert(std::make_pair(
+ Name,
+ pImpl->CustomMDKindNames.size()))
+ .first->second;
}
/// getHandlerNames - Populate client supplied smallvector using custome