[OpenCL] Add ocl and spir version for spir target
Summary: Add opencl.spir.version and opencl.ocl.version metadata for CodeGen to identify OpenCL version.
Reviewers: yaxunl, Anastasia
Subscribers: cfe-commits, pekka.jaaskelainen
Differential Revision: http://reviews.llvm.org/D17596
llvm-svn: 264241
diff --git a/clang/lib/CodeGen/TargetInfo.cpp b/clang/lib/CodeGen/TargetInfo.cpp
index de568b5..8f30010 100644
--- a/clang/lib/CodeGen/TargetInfo.cpp
+++ b/clang/lib/CodeGen/TargetInfo.cpp
@@ -7217,6 +7217,47 @@
}
}
+//===----------------------------------------------------------------------===//
+// SPIR ABI Implementation
+//===----------------------------------------------------------------------===//
+
+namespace {
+class SPIRTargetCodeGenInfo : public TargetCodeGenInfo {
+public:
+ SPIRTargetCodeGenInfo(CodeGen::CodeGenTypes &CGT)
+ : TargetCodeGenInfo(new DefaultABIInfo(CGT)) {}
+ void emitTargetMD(const Decl *D, llvm::GlobalValue *GV,
+ CodeGen::CodeGenModule &M) const override;
+};
+} // End anonymous namespace.
+
+/// Emit SPIR specific metadata: OpenCL and SPIR version.
+void SPIRTargetCodeGenInfo::emitTargetMD(const Decl *D, llvm::GlobalValue *GV,
+ CodeGen::CodeGenModule &CGM) const {
+ assert(CGM.getLangOpts().OpenCL && "SPIR is only for OpenCL");
+ llvm::LLVMContext &Ctx = CGM.getModule().getContext();
+ llvm::Type *Int32Ty = llvm::Type::getInt32Ty(Ctx);
+ llvm::Module &M = CGM.getModule();
+ // SPIR v2.0 s2.12 - The SPIR version used by the module is stored in the
+ // opencl.spir.version named metadata.
+ llvm::Metadata *SPIRVerElts[] = {
+ llvm::ConstantAsMetadata::get(llvm::ConstantInt::get(Int32Ty, 2)),
+ llvm::ConstantAsMetadata::get(llvm::ConstantInt::get(Int32Ty, 0))};
+ llvm::NamedMDNode *SPIRVerMD =
+ M.getOrInsertNamedMetadata("opencl.spir.version");
+ SPIRVerMD->addOperand(llvm::MDNode::get(Ctx, SPIRVerElts));
+ // SPIR v2.0 s2.13 - The OpenCL version used by the module is stored in the
+ // opencl.ocl.version named metadata node.
+ llvm::Metadata *OCLVerElts[] = {
+ llvm::ConstantAsMetadata::get(llvm::ConstantInt::get(
+ Int32Ty, CGM.getLangOpts().OpenCLVersion / 100)),
+ llvm::ConstantAsMetadata::get(llvm::ConstantInt::get(
+ Int32Ty, (CGM.getLangOpts().OpenCLVersion % 100) / 10))};
+ llvm::NamedMDNode *OCLVerMD =
+ M.getOrInsertNamedMetadata("opencl.ocl.version");
+ OCLVerMD->addOperand(llvm::MDNode::get(Ctx, OCLVerElts));
+}
+
static bool appendType(SmallStringEnc &Enc, QualType QType,
const CodeGen::CodeGenModule &CGM,
TypeStringCache &TSC);
@@ -7707,5 +7748,8 @@
return *(TheTargetCodeGenInfo = new SparcV9TargetCodeGenInfo(Types));
case llvm::Triple::xcore:
return *(TheTargetCodeGenInfo = new XCoreTargetCodeGenInfo(Types));
+ case llvm::Triple::spir:
+ case llvm::Triple::spir64:
+ return *(TheTargetCodeGenInfo = new SPIRTargetCodeGenInfo(Types));
}
}