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[OpenCL] Add ocl and spir version for spir target

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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
This commit is contained in:
Xiuli Pan
2016-03-24 03:57:17 +00:00
parent d21a535bf6
commit 972bea8a2e
2 changed files with 62 additions and 0 deletions
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44
clang/lib/CodeGen/TargetInfo.cpp
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@@ -7217,6 +7217,47 @@ void XCoreTargetCodeGenInfo::emitTargetMD(const Decl *D, llvm::GlobalValue *GV,
}
}
//===----------------------------------------------------------------------===//
// 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 @@ const TargetCodeGenInfo &CodeGenModule::getTargetCodeGenInfo() {
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));
}
}

18
clang/test/CodeGenOpenCL/spir_version.cl Normal file
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@@ -0,0 +1,18 @@
// RUN: %clang_cc1 %s -triple "spir-unknown-unknown" -emit-llvm -o - | FileCheck %s --check-prefix=CL10
// RUN: %clang_cc1 %s -triple "spir-unknown-unknown" -emit-llvm -o - -cl-std=CL1.2 | FileCheck %s --check-prefix=CL12
// RUN: %clang_cc1 %s -triple "spir-unknown-unknown" -emit-llvm -o - -cl-std=CL2.0 | FileCheck %s --check-prefix=CL20
// RUN: %clang_cc1 %s -triple "spir64-unknown-unknown" -emit-llvm -o - | FileCheck %s --check-prefix=CL10
// RUN: %clang_cc1 %s -triple "spir64-unknown-unknown" -emit-llvm -o - -cl-std=CL1.2 | FileCheck %s --check-prefix=CL12
// RUN: %clang_cc1 %s -triple "spir64-unknown-unknown" -emit-llvm -o - -cl-std=CL2.0 | FileCheck %s --check-prefix=CL20
kernel void foo() {}
// CL10: !opencl.spir.version = !{[[SPIR:![0-9]+]]}
// CL10: !opencl.ocl.version = !{[[OCL:![0-9]+]]}
// CL10: [[SPIR]] = !{i32 2, i32 0}
// CL10: [[OCL]] = !{i32 1, i32 0}
// CL12: !opencl.spir.version = !{[[SPIR:![0-9]+]]}
// CL12: !opencl.ocl.version = !{[[OCL:![0-9]+]]}
// CL12: [[SPIR]] = !{i32 2, i32 0}
// CL12: [[OCL]] = !{i32 1, i32 2}
// CL20: !opencl.spir.version = !{[[SPIR:![0-9]+]]}
// CL20: !opencl.ocl.version = !{[[SPIR:![0-9]+]]}
// CL20: [[SPIR]] = !{i32 2, i32 0}