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55 lines
1.8 KiB
55 lines
1.8 KiB
//===----- CGCUDARuntime.cpp - Interface to CUDA Runtimes -----------------===// |
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// |
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// The LLVM Compiler Infrastructure |
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// |
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// This file is distributed under the University of Illinois Open Source |
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// License. See LICENSE.TXT for details. |
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// |
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//===----------------------------------------------------------------------===// |
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// |
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// This provides an abstract class for CUDA code generation. Concrete |
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// subclasses of this implement code generation for specific CUDA |
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// runtime libraries. |
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// |
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//===----------------------------------------------------------------------===// |
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#include "CGCUDARuntime.h" |
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#include "CGCall.h" |
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#include "CodeGenFunction.h" |
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#include "clang/AST/Decl.h" |
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#include "clang/AST/ExprCXX.h" |
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using namespace clang; |
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using namespace CodeGen; |
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CGCUDARuntime::~CGCUDARuntime() {} |
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RValue CGCUDARuntime::EmitCUDAKernelCallExpr(CodeGenFunction &CGF, |
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const CUDAKernelCallExpr *E, |
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ReturnValueSlot ReturnValue) { |
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llvm::BasicBlock *ConfigOKBlock = CGF.createBasicBlock("kcall.configok"); |
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llvm::BasicBlock *ContBlock = CGF.createBasicBlock("kcall.end"); |
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CodeGenFunction::ConditionalEvaluation eval(CGF); |
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CGF.EmitBranchOnBoolExpr(E->getConfig(), ContBlock, ConfigOKBlock, |
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/*TrueCount=*/0); |
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eval.begin(CGF); |
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CGF.EmitBlock(ConfigOKBlock); |
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const Decl *TargetDecl = nullptr; |
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if (const ImplicitCastExpr *CE = dyn_cast<ImplicitCastExpr>(E->getCallee())) { |
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if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(CE->getSubExpr())) { |
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TargetDecl = DRE->getDecl(); |
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} |
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} |
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llvm::Value *Callee = CGF.EmitScalarExpr(E->getCallee()); |
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CGF.EmitCall(E->getCallee()->getType(), Callee, E, ReturnValue, TargetDecl); |
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CGF.EmitBranch(ContBlock); |
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CGF.EmitBlock(ContBlock); |
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eval.end(CGF); |
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return RValue::get(nullptr); |
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}
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