2009-06-30 08:48:55 +08:00
|
|
|
//===-- LLVMContext.cpp - Implement LLVMContext -----------------------===//
|
|
|
|
//
|
|
|
|
// The LLVM Compiler Infrastructure
|
|
|
|
//
|
|
|
|
// This file is distributed under the University of Illinois Open Source
|
|
|
|
// License. See LICENSE.TXT for details.
|
|
|
|
//
|
|
|
|
//===----------------------------------------------------------------------===//
|
2009-07-01 01:06:46 +08:00
|
|
|
//
|
|
|
|
// This file implements LLVMContext, as a wrapper around the opaque
|
2009-08-12 01:45:13 +08:00
|
|
|
// class LLVMContextImpl.
|
2009-07-01 01:06:46 +08:00
|
|
|
//
|
|
|
|
//===----------------------------------------------------------------------===//
|
2009-06-30 08:48:55 +08:00
|
|
|
|
|
|
|
#include "llvm/LLVMContext.h"
|
2009-09-03 09:39:20 +08:00
|
|
|
#include "llvm/Metadata.h"
|
2009-06-30 08:48:55 +08:00
|
|
|
#include "llvm/Constants.h"
|
2009-07-13 12:09:18 +08:00
|
|
|
#include "llvm/Instruction.h"
|
2009-07-01 07:39:59 +08:00
|
|
|
#include "llvm/Support/ManagedStatic.h"
|
introduce a new recoverable error handling API to LLVMContext
and use it in one place in inline asm handling stuff. Before
we'd generate this for an invalid modifier letter:
$ clang asm.c -c -o t.o
fatal error: error in backend: Invalid operand found in inline asm: 'abc incl ${0:Z}'
INLINEASM <es:abc incl ${0:Z}>, 10, %EAX<def>, 2147483657, %EAX, 14, %EFLAGS<earlyclobber,def,dead>, <!-1>
Now we generate this:
$ clang asm.c -c -o t.o
error: invalid operand in inline asm: 'incl ${0:Z}'
asm.c:3:12: note: generated from here
__asm__ ("incl %Z0" : "+r" (X));
^
1 error generated.
This is much better but still admittedly not great ("why" is the operand
invalid??), codegen should try harder with its diagnostics :)
llvm-svn: 100723
2010-04-08 07:40:44 +08:00
|
|
|
#include "llvm/Support/SourceMgr.h"
|
2009-06-30 08:48:55 +08:00
|
|
|
#include "LLVMContextImpl.h"
|
2010-12-20 04:43:38 +08:00
|
|
|
#include <cctype>
|
2009-06-30 08:48:55 +08:00
|
|
|
using namespace llvm;
|
|
|
|
|
2009-07-01 07:39:59 +08:00
|
|
|
static ManagedStatic<LLVMContext> GlobalContext;
|
|
|
|
|
2009-07-02 07:13:44 +08:00
|
|
|
LLVMContext& llvm::getGlobalContext() {
|
2009-07-02 05:22:36 +08:00
|
|
|
return *GlobalContext;
|
2009-07-01 07:39:59 +08:00
|
|
|
}
|
|
|
|
|
2010-03-31 07:03:27 +08:00
|
|
|
LLVMContext::LLVMContext() : pImpl(new LLVMContextImpl(*this)) {
|
2010-09-15 05:25:10 +08:00
|
|
|
// Create the fixed metadata kinds. This is done in the same order as the
|
|
|
|
// MD_* enum values so that they correspond.
|
|
|
|
|
2010-12-18 07:06:32 +08:00
|
|
|
// Create the 'dbg' metadata kind.
|
2010-03-31 07:03:27 +08:00
|
|
|
unsigned DbgID = getMDKindID("dbg");
|
|
|
|
assert(DbgID == MD_dbg && "dbg kind id drifted"); (void)DbgID;
|
2010-09-15 05:25:10 +08:00
|
|
|
|
|
|
|
// Create the 'tbaa' metadata kind.
|
|
|
|
unsigned TBAAID = getMDKindID("tbaa");
|
|
|
|
assert(TBAAID == MD_tbaa && "tbaa kind id drifted"); (void)TBAAID;
|
2011-07-07 02:22:43 +08:00
|
|
|
|
|
|
|
// Create the 'prof' metadata kind.
|
|
|
|
unsigned ProfID = getMDKindID("prof");
|
|
|
|
assert(ProfID == MD_prof && "prof kind id drifted"); (void)ProfID;
|
2011-10-28 03:19:14 +08:00
|
|
|
|
2012-04-14 20:36:06 +08:00
|
|
|
// Create the 'fpmath' metadata kind.
|
|
|
|
unsigned FPAccuracyID = getMDKindID("fpmath");
|
|
|
|
assert(FPAccuracyID == MD_fpmath && "fpmath kind id drifted");
|
2011-10-28 03:19:14 +08:00
|
|
|
(void)FPAccuracyID;
|
2012-03-24 08:14:51 +08:00
|
|
|
|
|
|
|
// Create the 'range' metadata kind.
|
|
|
|
unsigned RangeID = getMDKindID("range");
|
|
|
|
assert(RangeID == MD_range && "range kind id drifted");
|
|
|
|
(void)RangeID;
|
2012-09-14 01:56:17 +08:00
|
|
|
|
|
|
|
// Create the 'tbaa.struct' metadata kind.
|
|
|
|
unsigned TBAAStructID = getMDKindID("tbaa.struct");
|
|
|
|
assert(TBAAStructID == MD_tbaa_struct && "tbaa.struct kind id drifted");
|
|
|
|
(void)TBAAStructID;
|
2010-03-31 07:03:27 +08:00
|
|
|
}
|
2009-06-30 08:48:55 +08:00
|
|
|
LLVMContext::~LLVMContext() { delete pImpl; }
|
2009-08-05 06:41:48 +08:00
|
|
|
|
2010-09-09 02:03:32 +08:00
|
|
|
void LLVMContext::addModule(Module *M) {
|
|
|
|
pImpl->OwnedModules.insert(M);
|
|
|
|
}
|
|
|
|
|
|
|
|
void LLVMContext::removeModule(Module *M) {
|
|
|
|
pImpl->OwnedModules.erase(M);
|
|
|
|
}
|
|
|
|
|
introduce a new recoverable error handling API to LLVMContext
and use it in one place in inline asm handling stuff. Before
we'd generate this for an invalid modifier letter:
$ clang asm.c -c -o t.o
fatal error: error in backend: Invalid operand found in inline asm: 'abc incl ${0:Z}'
INLINEASM <es:abc incl ${0:Z}>, 10, %EAX<def>, 2147483657, %EAX, 14, %EFLAGS<earlyclobber,def,dead>, <!-1>
Now we generate this:
$ clang asm.c -c -o t.o
error: invalid operand in inline asm: 'incl ${0:Z}'
asm.c:3:12: note: generated from here
__asm__ ("incl %Z0" : "+r" (X));
^
1 error generated.
This is much better but still admittedly not great ("why" is the operand
invalid??), codegen should try harder with its diagnostics :)
llvm-svn: 100723
2010-04-08 07:40:44 +08:00
|
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// Recoverable Backend Errors
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
|
2010-11-17 16:13:01 +08:00
|
|
|
void LLVMContext::
|
2010-12-18 07:06:32 +08:00
|
|
|
setInlineAsmDiagnosticHandler(InlineAsmDiagHandlerTy DiagHandler,
|
2010-11-17 16:13:01 +08:00
|
|
|
void *DiagContext) {
|
2010-04-06 08:44:45 +08:00
|
|
|
pImpl->InlineAsmDiagHandler = DiagHandler;
|
|
|
|
pImpl->InlineAsmDiagContext = DiagContext;
|
|
|
|
}
|
|
|
|
|
|
|
|
/// getInlineAsmDiagnosticHandler - Return the diagnostic handler set by
|
|
|
|
/// setInlineAsmDiagnosticHandler.
|
2010-11-17 16:13:01 +08:00
|
|
|
LLVMContext::InlineAsmDiagHandlerTy
|
|
|
|
LLVMContext::getInlineAsmDiagnosticHandler() const {
|
2010-04-06 08:44:45 +08:00
|
|
|
return pImpl->InlineAsmDiagHandler;
|
|
|
|
}
|
|
|
|
|
|
|
|
/// getInlineAsmDiagnosticContext - Return the diagnostic context set by
|
|
|
|
/// setInlineAsmDiagnosticHandler.
|
|
|
|
void *LLVMContext::getInlineAsmDiagnosticContext() const {
|
|
|
|
return pImpl->InlineAsmDiagContext;
|
|
|
|
}
|
2010-03-31 04:48:48 +08:00
|
|
|
|
2012-01-04 07:47:05 +08:00
|
|
|
void LLVMContext::emitError(const Twine &ErrorStr) {
|
introduce a new recoverable error handling API to LLVMContext
and use it in one place in inline asm handling stuff. Before
we'd generate this for an invalid modifier letter:
$ clang asm.c -c -o t.o
fatal error: error in backend: Invalid operand found in inline asm: 'abc incl ${0:Z}'
INLINEASM <es:abc incl ${0:Z}>, 10, %EAX<def>, 2147483657, %EAX, 14, %EFLAGS<earlyclobber,def,dead>, <!-1>
Now we generate this:
$ clang asm.c -c -o t.o
error: invalid operand in inline asm: 'incl ${0:Z}'
asm.c:3:12: note: generated from here
__asm__ ("incl %Z0" : "+r" (X));
^
1 error generated.
This is much better but still admittedly not great ("why" is the operand
invalid??), codegen should try harder with its diagnostics :)
llvm-svn: 100723
2010-04-08 07:40:44 +08:00
|
|
|
emitError(0U, ErrorStr);
|
|
|
|
}
|
|
|
|
|
2012-01-04 07:47:05 +08:00
|
|
|
void LLVMContext::emitError(const Instruction *I, const Twine &ErrorStr) {
|
introduce a new recoverable error handling API to LLVMContext
and use it in one place in inline asm handling stuff. Before
we'd generate this for an invalid modifier letter:
$ clang asm.c -c -o t.o
fatal error: error in backend: Invalid operand found in inline asm: 'abc incl ${0:Z}'
INLINEASM <es:abc incl ${0:Z}>, 10, %EAX<def>, 2147483657, %EAX, 14, %EFLAGS<earlyclobber,def,dead>, <!-1>
Now we generate this:
$ clang asm.c -c -o t.o
error: invalid operand in inline asm: 'incl ${0:Z}'
asm.c:3:12: note: generated from here
__asm__ ("incl %Z0" : "+r" (X));
^
1 error generated.
This is much better but still admittedly not great ("why" is the operand
invalid??), codegen should try harder with its diagnostics :)
llvm-svn: 100723
2010-04-08 07:40:44 +08:00
|
|
|
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();
|
|
|
|
}
|
|
|
|
return emitError(LocCookie, ErrorStr);
|
|
|
|
}
|
|
|
|
|
2012-01-04 07:47:05 +08:00
|
|
|
void LLVMContext::emitError(unsigned LocCookie, const Twine &ErrorStr) {
|
introduce a new recoverable error handling API to LLVMContext
and use it in one place in inline asm handling stuff. Before
we'd generate this for an invalid modifier letter:
$ clang asm.c -c -o t.o
fatal error: error in backend: Invalid operand found in inline asm: 'abc incl ${0:Z}'
INLINEASM <es:abc incl ${0:Z}>, 10, %EAX<def>, 2147483657, %EAX, 14, %EFLAGS<earlyclobber,def,dead>, <!-1>
Now we generate this:
$ clang asm.c -c -o t.o
error: invalid operand in inline asm: 'incl ${0:Z}'
asm.c:3:12: note: generated from here
__asm__ ("incl %Z0" : "+r" (X));
^
1 error generated.
This is much better but still admittedly not great ("why" is the operand
invalid??), codegen should try harder with its diagnostics :)
llvm-svn: 100723
2010-04-08 07:40:44 +08:00
|
|
|
// If there is no error handler installed, just print the error and exit.
|
|
|
|
if (pImpl->InlineAsmDiagHandler == 0) {
|
|
|
|
errs() << "error: " << ErrorStr << "\n";
|
|
|
|
exit(1);
|
|
|
|
}
|
2010-12-18 07:06:32 +08:00
|
|
|
|
introduce a new recoverable error handling API to LLVMContext
and use it in one place in inline asm handling stuff. Before
we'd generate this for an invalid modifier letter:
$ clang asm.c -c -o t.o
fatal error: error in backend: Invalid operand found in inline asm: 'abc incl ${0:Z}'
INLINEASM <es:abc incl ${0:Z}>, 10, %EAX<def>, 2147483657, %EAX, 14, %EFLAGS<earlyclobber,def,dead>, <!-1>
Now we generate this:
$ clang asm.c -c -o t.o
error: invalid operand in inline asm: 'incl ${0:Z}'
asm.c:3:12: note: generated from here
__asm__ ("incl %Z0" : "+r" (X));
^
1 error generated.
This is much better but still admittedly not great ("why" is the operand
invalid??), codegen should try harder with its diagnostics :)
llvm-svn: 100723
2010-04-08 07:40:44 +08:00
|
|
|
// If we do have an error handler, we can report the error and keep going.
|
2011-10-16 13:43:57 +08:00
|
|
|
SMDiagnostic Diag("", SourceMgr::DK_Error, ErrorStr.str());
|
2010-12-18 07:06:32 +08:00
|
|
|
|
2010-11-17 16:13:01 +08:00
|
|
|
pImpl->InlineAsmDiagHandler(Diag, pImpl->InlineAsmDiagContext, LocCookie);
|
introduce a new recoverable error handling API to LLVMContext
and use it in one place in inline asm handling stuff. Before
we'd generate this for an invalid modifier letter:
$ clang asm.c -c -o t.o
fatal error: error in backend: Invalid operand found in inline asm: 'abc incl ${0:Z}'
INLINEASM <es:abc incl ${0:Z}>, 10, %EAX<def>, 2147483657, %EAX, 14, %EFLAGS<earlyclobber,def,dead>, <!-1>
Now we generate this:
$ clang asm.c -c -o t.o
error: invalid operand in inline asm: 'incl ${0:Z}'
asm.c:3:12: note: generated from here
__asm__ ("incl %Z0" : "+r" (X));
^
1 error generated.
This is much better but still admittedly not great ("why" is the operand
invalid??), codegen should try harder with its diagnostics :)
llvm-svn: 100723
2010-04-08 07:40:44 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// Metadata Kind Uniquing
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
|
2010-03-31 04:48:48 +08:00
|
|
|
#ifndef NDEBUG
|
|
|
|
/// isValidName - Return true if Name is a valid custom metadata handler name.
|
|
|
|
static bool isValidName(StringRef MDName) {
|
|
|
|
if (MDName.empty())
|
|
|
|
return false;
|
2010-12-18 07:06:32 +08:00
|
|
|
|
2010-12-20 04:42:43 +08:00
|
|
|
if (!std::isalpha(MDName[0]))
|
2010-03-31 04:48:48 +08:00
|
|
|
return false;
|
2010-12-18 07:06:32 +08:00
|
|
|
|
2010-03-31 04:48:48 +08:00
|
|
|
for (StringRef::iterator I = MDName.begin() + 1, E = MDName.end(); I != E;
|
|
|
|
++I) {
|
2010-12-20 04:42:43 +08:00
|
|
|
if (!std::isalnum(*I) && *I != '_' && *I != '-' && *I != '.')
|
2010-03-31 04:48:48 +08:00
|
|
|
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");
|
2010-07-21 05:42:28 +08:00
|
|
|
|
2010-03-31 04:48:48 +08:00
|
|
|
// If this is new, assign it its ID.
|
2010-07-21 05:42:28 +08:00
|
|
|
return
|
|
|
|
pImpl->CustomMDKindNames.GetOrCreateValue(
|
|
|
|
Name, pImpl->CustomMDKindNames.size()).second;
|
2009-08-05 06:41:48 +08:00
|
|
|
}
|
2009-08-11 14:31:57 +08:00
|
|
|
|
2010-03-31 04:48:48 +08:00
|
|
|
/// getHandlerNames - Populate client supplied smallvector using custome
|
|
|
|
/// metadata name and ID.
|
|
|
|
void LLVMContext::getMDKindNames(SmallVectorImpl<StringRef> &Names) const {
|
2010-07-21 05:42:28 +08:00
|
|
|
Names.resize(pImpl->CustomMDKindNames.size());
|
2010-03-31 04:48:48 +08:00
|
|
|
for (StringMap<unsigned>::const_iterator I = pImpl->CustomMDKindNames.begin(),
|
|
|
|
E = pImpl->CustomMDKindNames.end(); I != E; ++I)
|
|
|
|
Names[I->second] = I->first();
|
|
|
|
}
|