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authorCarlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au>2012-10-15 17:10:06 +1100
committerCarlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au>2012-10-15 17:10:06 +1100
commitbe1de4be954c80875ad4108e0a33e8e131b2f2c0 (patch)
tree1fbbecf276bf7c7bdcbb4dd446099d6d90eaa516 /clang/lib/CodeGen/CGCUDARuntime.cpp
parentc4626a62754862d20b41e8a46a3574264ea80e6d (diff)
parentf1bd2e48c5324d3f7cda4090c87f8a5b6f463ce2 (diff)
Merge branch 'master' of ssh://bitbucket.org/czan/honours
Diffstat (limited to 'clang/lib/CodeGen/CGCUDARuntime.cpp')
-rw-r--r--clang/lib/CodeGen/CGCUDARuntime.cpp55
1 files changed, 55 insertions, 0 deletions
diff --git a/clang/lib/CodeGen/CGCUDARuntime.cpp b/clang/lib/CodeGen/CGCUDARuntime.cpp
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+//===----- 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);
+}