[Beignet] [PATCH 2/3] Add llvm3.6 build support.
Yang, Rong R
rong.r.yang at intel.com
Mon Mar 2 21:00:38 PST 2015
Yes, LLVM3.6 change the api LLVMLinkModules at last, I have sent a patch "Fix llvm3.6 build error." for it.
Thanks for reporting.
> -----Original Message-----
> From: Steven Newbury [mailto:steve at snewbury.org.uk]
> Sent: Sunday, March 1, 2015 23:09
> To: Yang, Rong R
> Cc: beignet at lists.freedesktop.org
> Subject: Re: [Beignet] [PATCH 2/3] Add llvm3.6 build support.
>
> I now have another failure to build with llvm3.6 (release) not sure if it's an
> LLVM or flag change. It would build with "-fpermissive". See in-line.
>
> On Thu, 2015-02-12 at 16:29 +0800, Yang Rong wrote:
> > There are some changes from llvm3.5:
> > 1. Some functions return std::unique_ptr instead of pointer.
> > 2. MetaNode to Value and Value to MetaNode.
> >
> > V2: Fix llvm3.5 build error.
> > V3: Print link and function materialize message.
> > Signed-off-by: Yang Rong <rong.r.yang at intel.com>
> > ---
> > backend/src/backend/gen_program.cpp | 10 ++++++++++
> > backend/src/backend/program.cpp | 4 ++++
> > backend/src/llvm/llvm_bitcode_link.cpp | 25
> > ++++++++++++++++++++++++-
> > backend/src/llvm/llvm_gen_backend.cpp | 22
> +++++++++++++++++++++-
> > backend/src/llvm/llvm_passes.cpp | 4 ++++
> > backend/src/llvm/llvm_to_gen.cpp | 16 +++++++++++++---
> > backend/src/llvm/llvm_unroll.cpp | 14 ++++++++++++++
> > 7 files changed, 90 insertions(+), 5 deletions(-)
> >
> > diff --git a/backend/src/backend/gen_program.cpp
> > b/backend/src/backend/gen_program.cpp
> > index a4019fe..65a7ba2 100644
> > --- a/backend/src/backend/gen_program.cpp
> > +++ b/backend/src/backend/gen_program.cpp
> > @@ -252,9 +252,15 @@ namespace gbe {
> > llvm::StringRef llvm_bin_str(binary_content);
> > llvm::LLVMContext& c = llvm::getGlobalContext();
> > llvm::SMDiagnostic Err;
> > +#if LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR >= 6
> > + std::unique_ptr<llvm::MemoryBuffer> memory_buffer =
> > llvm::MemoryBuffer::getMemBuffer(llvm_bin_str, "llvm_bin_str");
> > + acquireLLVMContextLock();
> > + llvm::Module* module = llvm::parseIR(memory_buffer-
> > >getMemBufferRef(), Err, c).release();
> > +#else
> > llvm::MemoryBuffer* memory_buffer =
> > llvm::MemoryBuffer::getMemBuffer(llvm_bin_str, "llvm_bin_str");
> > acquireLLVMContextLock();
> > llvm::Module* module = llvm::ParseIR(memory_buffer, Err, c);
> > +#endif
> > releaseLLVMContextLock();
> > if(module == NULL){
> > GBE_ASSERT(0);
> > @@ -382,7 +388,11 @@ namespace gbe {
> > llvm::Module* src = (llvm::Module*)((GenProgram*)src_program)-
> > >module;
> > llvm::Module* dst = (llvm::Module*)((GenProgram*)dst_program)-
> > >module;
> >
> > +#if LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR <= 5
> > if (LLVMLinkModules(wrap(dst), wrap(src),
> > LLVMLinkerPreserveSource, &errMsg)) {
> > +#else
> > + if (LLVMLinkModules(wrap(dst), wrap(src), 0, &errMsg)) {
>
> I get a failure to convert from int to LLVMLinkerMode from the 3rd argument
> here. The constant '0' needs to be cast to LLVMLinkerMode to keep
> LLVMLinkModules() happy since it doesn't accept an int argument.
>
> > +#endif
> > if (err != NULL && errSize != NULL && stringSize > 0u) {
> > if(strlen(errMsg) < stringSize )
> > stringSize = strlen(errMsg); diff --git
> > a/backend/src/backend/program.cpp
> b/backend/src/backend/program.cpp
> > index 38ce9c8..06810bd 100644
> > --- a/backend/src/backend/program.cpp
> > +++ b/backend/src/backend/program.cpp
> > @@ -621,7 +621,11 @@ namespace gbe {
> > if (!retVal)
> > return false;
> >
> > +#if LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR <= 5
> > llvm::Module *module = Act->takeModule();
> > +#else
> > + llvm::Module *module = Act->takeModule().release(); #endif
> >
> > *out_module = module;
> > return true;
> > diff --git a/backend/src/llvm/llvm_bitcode_link.cpp
> > b/backend/src/llvm/llvm_bitcode_link.cpp
> > index 8eb6dd5..229e3bb 100644
> > --- a/backend/src/llvm/llvm_bitcode_link.cpp
> > +++ b/backend/src/llvm/llvm_bitcode_link.cpp
> > @@ -63,7 +63,11 @@ namespace gbe
> > }
> > assert(findBC);
> >
> > +#if LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR <= 5
> > oclLib = getLazyIRFileModule(FilePath, Err, ctx);
> > +#else
> > + oclLib = getLazyIRFileModule(FilePath, Err, ctx).release();
> > +#endif
> > if (!oclLib) {
> > printf("Fatal Error: ocl lib can not be opened\n");
> > return NULL;
> > @@ -114,12 +118,18 @@ namespace gbe
> >
> > std::string ErrInfo;// = "Not Materializable";
> > if (!fromSrc && newMF->isMaterializable()) {
> > +#if LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR <= 5
> > if (newMF->Materialize(&ErrInfo)) {
> > printf("Can not materialize the function: %s, because
> > %s\n", fnName.c_str(), ErrInfo.c_str());
> > return false;
> > }
> > +#else
> > + if (std::error_code EC = newMF->materialize()) {
> > + printf("Can not materialize the function: %s, because
> > %s\n", fnName.c_str(), EC.message().c_str());
> > + return false;
> > + }
> > +#endif
> > }
> > -
> > if (!materializedFuncCall(src, lib, *newMF, MFS))
> > return false;
> >
> > @@ -205,12 +215,21 @@ namespace gbe
> > }
> > std::string ErrInfo;// = "Not Materializable";
> > if (newMF->isMaterializable()) {
> > +#if LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR <= 5
> > if (newMF->Materialize(&ErrInfo)) {
> > printf("Can not materialize the function: %s, because
> > %s\n", fnName.c_str(), ErrInfo.c_str());
> > delete clonedLib;
> > return NULL;
> > }
> > }
> > +#else
> > + if (std::error_code EC = newMF->materialize()) {
> > + printf("Can not materialize the function: %s, because
> > %s\n", fnName.c_str(), EC.message().c_str();
> > + delete clonedLib;
> > + return NULL;
> > + }
> > + }
> > +#endif
> >
> > if (!materializedFuncCall(*mod, *clonedLib, *newMF,
> > materializedFuncs)) {
> > delete clonedLib;
> > @@ -223,7 +242,11 @@ namespace gbe
> > /* We use beignet's bitcode as dst because it will have a lot of
> > lazy functions which will not be loaded. */
> > char* errorMsg;
> > +#if LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR <= 5
> > if(LLVMLinkModules(wrap(clonedLib), wrap(mod),
> > LLVMLinkerDestroySource, &errorMsg)) {
> > +#else
> > + if(LLVMLinkModules(wrap(clonedLib), wrap(mod), 0, &errorMsg)) {
>
> Same here.
>
> > +#endif
> > delete clonedLib;
> > printf("Fatal Error: link the bitcode error:\n%s\n", errorMsg);
> > return NULL;
> > diff --git a/backend/src/llvm/llvm_gen_backend.cpp
> > b/backend/src/llvm/llvm_gen_backend.cpp
> > index d47721a..c67a880 100644
> > --- a/backend/src/llvm/llvm_gen_backend.cpp
> > +++ b/backend/src/llvm/llvm_gen_backend.cpp
> > @@ -1467,7 +1467,12 @@ error:
> > /* First find the meta data belong to this function. */
> > for(uint i = 0; i < clKernelMetaDatas->getNumOperands(); i++) {
> > node = clKernelMetaDatas->getOperand(i);
> > +#if LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR <= 5
> > if (node->getOperand(0) == &F) break;
> > +#else
> > + auto *V = cast<ValueAsMetadata>(node->getOperand(0));
> > + if (V && V->getValue() == &F) break; #endif
> > node = NULL;
> > }
> >
> > @@ -1484,9 +1489,15 @@ error:
> >
> > if (attrName->getString() == "reqd_work_group_size") {
> > GBE_ASSERT(attrNode->getNumOperands() == 4);
> > +#if LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR <= 5
> > ConstantInt *x = dyn_cast<ConstantInt>(attrNode-
> > >getOperand(1));
> > ConstantInt *y = dyn_cast<ConstantInt>(attrNode-
> > >getOperand(2));
> > ConstantInt *z = dyn_cast<ConstantInt>(attrNode-
> > >getOperand(3));
> > +#else
> > + ConstantInt *x = mdconst::extract<ConstantInt>(attrNode-
> > >getOperand(1));
> > + ConstantInt *y = mdconst::extract<ConstantInt>(attrNode-
> > >getOperand(2));
> > + ConstantInt *z = mdconst::extract<ConstantInt>(attrNode-
> > >getOperand(3));
> > +#endif
> > GBE_ASSERT(x && y && z);
> > reqd_wg_sz[0] = x->getZExtValue();
> > reqd_wg_sz[1] = y->getZExtValue(); @@ -1521,9 +1532,15 @@
> > error:
> > functionAttributes += " ";
> > } else if (attrName->getString() == "work_group_size_hint") {
> > GBE_ASSERT(attrNode->getNumOperands() == 4);
> > +#if LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR <= 5
> > ConstantInt *x = dyn_cast<ConstantInt>(attrNode-
> > >getOperand(1));
> > ConstantInt *y = dyn_cast<ConstantInt>(attrNode-
> > >getOperand(2));
> > ConstantInt *z = dyn_cast<ConstantInt>(attrNode-
> > >getOperand(3));
> > +#else
> > + ConstantInt *x = mdconst::extract<ConstantInt>(attrNode-
> > >getOperand(1));
> > + ConstantInt *y = mdconst::extract<ConstantInt>(attrNode-
> > >getOperand(2));
> > + ConstantInt *z = mdconst::extract<ConstantInt>(attrNode-
> > >getOperand(3));
> > +#endif
> > GBE_ASSERT(x && y && z);
> > hint_wg_sz[0] = x->getZExtValue();
> > hint_wg_sz[1] = y->getZExtValue(); @@ -1561,8 +1578,11 @@
> > error:
> > for (; I != E; ++I, ++argID) {
> > const std::string &argName = I->getName().str();
> > Type *type = I->getType();
> > -
> > +#if LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR <= 5
> > llvmInfo.addrSpace = (cast<ConstantInt>(addrSpaceNode-
> > >getOperand(1 + argID)))->getZExtValue();
> > +#else
> > + llvmInfo.addrSpace =
> > (mdconst::extract<ConstantInt>(addrSpaceNode->getOperand(1 +
> > argID)))->getZExtValue();
> > +#endif
> > llvmInfo.typeName = (cast<MDString>(typeNameNode-
> > >getOperand(1 + argID)))->getString();
> > llvmInfo.accessQual = (cast<MDString>(accessQualNode-
> > >getOperand(1 + argID)))->getString();
> > llvmInfo.typeQual = (cast<MDString>(typeQualNode-
> > >getOperand(1 + argID)))->getString();
> > diff --git a/backend/src/llvm/llvm_passes.cpp
> > b/backend/src/llvm/llvm_passes.cpp
> > index 5c0a2e0..1b0e4f8 100644
> > --- a/backend/src/llvm/llvm_passes.cpp
> > +++ b/backend/src/llvm/llvm_passes.cpp
> > @@ -119,7 +119,11 @@ namespace gbe
> > uint32_t ops = md.getNumOperands();
> > for(uint32_t x = 0; x < ops; x++) {
> > MDNode* node = md.getOperand(x);
> > +#if LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR <= 5
> > Value * op = node->getOperand(0);
> > +#else
> > + Value * op = cast<ValueAsMetadata>(node->getOperand(0))-
> > >getValue();
> > +#endif
> > if(op == &F) bKernel = true;
> > }
> > }
> > diff --git a/backend/src/llvm/llvm_to_gen.cpp
> > b/backend/src/llvm/llvm_to_gen.cpp
> > index c2c015a..b1dc686 100644
> > --- a/backend/src/llvm/llvm_to_gen.cpp
> > +++ b/backend/src/llvm/llvm_to_gen.cpp
> > @@ -81,7 +81,9 @@ namespace gbe
> > {
> > FunctionPassManager FPM(&mod);
> >
> > -#if LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR >= 5
> > +#if LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR >= 6
> > + FPM.add(new DataLayoutPass());
> > +#elif LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR == 5
> > FPM.add(new DataLayoutPass(DL));
> > #else
> > FPM.add(new DataLayout(DL));
> > @@ -112,7 +114,9 @@ namespace gbe
> > {
> > llvm::PassManager MPM;
> >
> > -#if LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR >= 5
> > +#if LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR >= 6
> > + MPM.add(new DataLayoutPass());
> > +#elif LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR == 5
> > MPM.add(new DataLayoutPass(DL));
> > #else
> > MPM.add(new DataLayout(DL));
> > @@ -231,7 +235,11 @@ namespace gbe
> > cl_mod = reinterpret_cast<Module*>(const_cast<void*>(module));
> > } else if (fileName){
> > llvm::LLVMContext& c = llvm::getGlobalContext();
> > +#if LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR >= 6
> > + cl_mod = parseIRFile(fileName, Err, c).release(); #else
> > cl_mod = ParseIRFile(fileName, Err, c);
> > +#endif
> > }
> >
> > if (!cl_mod) return false;
> > @@ -259,7 +267,9 @@ namespace gbe
> > runFuntionPass(mod, libraryInfo, DL);
> > runModulePass(mod, libraryInfo, DL, optLevel, strictMath);
> > llvm::PassManager passes;
> > -#if LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR >= 5
> > +#if LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR >= 6
> > + passes.add(new DataLayoutPass()); #elif LLVM_VERSION_MAJOR == 3
> > +&& LLVM_VERSION_MINOR == 5
> > passes.add(new DataLayoutPass(DL)); #else
> > passes.add(new DataLayout(DL));
> > diff --git a/backend/src/llvm/llvm_unroll.cpp
> > b/backend/src/llvm/llvm_unroll.cpp
> > index 172e724..5d3fad8 100644
> > --- a/backend/src/llvm/llvm_unroll.cpp
> > +++ b/backend/src/llvm/llvm_unroll.cpp
> > @@ -95,7 +95,11 @@ namespace gbe {
> > if (Name.equals(S->getString())) {
> > assert(MD->getNumOperands() == 2 &&
> > "Unroll hint metadata should have two operands.");
> > +#if LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR >= 6
> > + return mdconst::extract<ConstantInt>(MD->getOperand(1));
> > +#else
> > return cast<ConstantInt>(MD->getOperand(1));
> > +#endif
> > }
> > }
> > return nullptr;
> > @@ -105,6 +109,15 @@ namespace gbe {
> > if (!enable && disabledLoops.find(L) != disabledLoops.end())
> > return;
> > LLVMContext &Context = L->getHeader()->getContext();
> > +#if LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR >= 6
> > + SmallVector<Metadata *, 2> forceUnroll;
> > + forceUnroll.push_back(MDString::get(Context,
> > "llvm.loop.unroll.enable"));
> > +
> > forceUnroll.push_back(ConstantAsMetadata::get(ConstantInt::get(Type::g
> > etInt1Ty(Context),
> > enable)));
> > + MDNode *forceUnrollNode = MDNode::get(Context, forceUnroll);
> > + SmallVector<Metadata *, 4> Vals;
> > + Vals.push_back(NULL);
> > + Vals.push_back(forceUnrollNode); #else
> > SmallVector<Value *, 2> forceUnroll;
> > forceUnroll.push_back(MDString::get(Context,
> > "llvm.loop.unroll.enable"));
> >
> > forceUnroll.push_back(ConstantInt::get(Type::getInt1Ty(Context),
> > enable));
> > @@ -112,6 +125,7 @@ namespace gbe {
> > SmallVector<Value *, 4> Vals;
> > Vals.push_back(NULL);
> > Vals.push_back(forceUnrollNode);
> > +#endif
> > MDNode *NewLoopID = MDNode::get(Context, Vals);
> > // Set operand 0 to refer to the loop id itself.
> > NewLoopID->replaceOperandWith(0, NewLoopID);
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