diff options
Diffstat (limited to 'contrib/llvm/tools/clang/lib/CodeGen/CGCUDARuntime.cpp')
-rw-r--r-- | contrib/llvm/tools/clang/lib/CodeGen/CGCUDARuntime.cpp | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/contrib/llvm/tools/clang/lib/CodeGen/CGCUDARuntime.cpp b/contrib/llvm/tools/clang/lib/CodeGen/CGCUDARuntime.cpp new file mode 100644 index 0000000..77dc248 --- /dev/null +++ b/contrib/llvm/tools/clang/lib/CodeGen/CGCUDARuntime.cpp @@ -0,0 +1,55 @@ +//===----- CGCUDARuntime.cpp - Interface to CUDA Runtimes -----------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This provides an abstract class for CUDA code generation. Concrete +// subclasses of this implement code generation for specific CUDA +// runtime libraries. +// +//===----------------------------------------------------------------------===// + +#include "CGCUDARuntime.h" +#include "clang/AST/Decl.h" +#include "clang/AST/ExprCXX.h" +#include "CGCall.h" +#include "CodeGenFunction.h" + +using namespace clang; +using namespace CodeGen; + +CGCUDARuntime::~CGCUDARuntime() {} + +RValue CGCUDARuntime::EmitCUDAKernelCallExpr(CodeGenFunction &CGF, + const CUDAKernelCallExpr *E, + ReturnValueSlot ReturnValue) { + llvm::BasicBlock *ConfigOKBlock = CGF.createBasicBlock("kcall.configok"); + llvm::BasicBlock *ContBlock = CGF.createBasicBlock("kcall.end"); + + CodeGenFunction::ConditionalEvaluation eval(CGF); + CGF.EmitBranchOnBoolExpr(E->getConfig(), ContBlock, ConfigOKBlock); + + eval.begin(CGF); + CGF.EmitBlock(ConfigOKBlock); + + const Decl *TargetDecl = 0; + if (const ImplicitCastExpr *CE = dyn_cast<ImplicitCastExpr>(E->getCallee())) { + if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(CE->getSubExpr())) { + TargetDecl = DRE->getDecl(); + } + } + + llvm::Value *Callee = CGF.EmitScalarExpr(E->getCallee()); + CGF.EmitCall(E->getCallee()->getType(), Callee, ReturnValue, + E->arg_begin(), E->arg_end(), TargetDecl); + CGF.EmitBranch(ContBlock); + + CGF.EmitBlock(ContBlock); + eval.end(CGF); + + return RValue::get(0); +} |