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author | Peter Collingbourne <peter@pcc.me.uk> | 2011-10-06 18:29:46 +0000 |
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committer | Peter Collingbourne <peter@pcc.me.uk> | 2011-10-06 18:29:46 +0000 |
commit | a9455ec9f8dd8bd87b0950467b8d6391076959e2 (patch) | |
tree | db82dfbc758bf04faf83d470f8e384e768ea7e4b /clang/lib/CodeGen/CodeGenModule.cpp | |
parent | fe883422401d9b43229d36d40b909ed0e2183ff0 (diff) | |
download | bcm5719-llvm-a9455ec9f8dd8bd87b0950467b8d6391076959e2.tar.gz bcm5719-llvm-a9455ec9f8dd8bd87b0950467b8d6391076959e2.zip |
CUDA: add -fcuda-is-device flag
This frontend-only flag is used by the IR generator to determine
whether to filter CUDA declarations for the host or for the device.
llvm-svn: 141301
Diffstat (limited to 'clang/lib/CodeGen/CodeGenModule.cpp')
-rw-r--r-- | clang/lib/CodeGen/CodeGenModule.cpp | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/clang/lib/CodeGen/CodeGenModule.cpp b/clang/lib/CodeGen/CodeGenModule.cpp index f5e37897bcb..d8b9c9d853c 100644 --- a/clang/lib/CodeGen/CodeGenModule.cpp +++ b/clang/lib/CodeGen/CodeGenModule.cpp @@ -785,6 +785,23 @@ void CodeGenModule::EmitGlobal(GlobalDecl GD) { if (Global->hasAttr<AliasAttr>()) return EmitAliasDefinition(GD); + // If this is CUDA, be selective about which declarations we emit. + if (Features.CUDA) { + if (CodeGenOpts.CUDAIsDevice) { + if (!Global->hasAttr<CUDADeviceAttr>() && + !Global->hasAttr<CUDAGlobalAttr>() && + !Global->hasAttr<CUDAConstantAttr>() && + !Global->hasAttr<CUDASharedAttr>()) + return; + } else { + if (!Global->hasAttr<CUDAHostAttr>() && ( + Global->hasAttr<CUDADeviceAttr>() || + Global->hasAttr<CUDAConstantAttr>() || + Global->hasAttr<CUDASharedAttr>())) + return; + } + } + // Ignore declarations, they will be emitted on their first use. if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(Global)) { // Forward declarations are emitted lazily on first use. |