From 5a925cc5504575c22dbb7d29842d7fc5babcb5c7 Mon Sep 17 00:00:00 2001 From: Tom Stellard Date: Wed, 5 Jun 2013 17:05:43 -0700 Subject: [PATCH] clover: Don't segfault when compiling a program with no kernel --- src/gallium/state_trackers/clover/llvm/invocation.cpp | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/src/gallium/state_trackers/clover/llvm/invocation.cpp b/src/gallium/state_trackers/clover/llvm/invocation.cpp index 90bc53b238c..dae61f7fa7d 100644 --- a/src/gallium/state_trackers/clover/llvm/invocation.cpp +++ b/src/gallium/state_trackers/clover/llvm/invocation.cpp @@ -211,6 +211,13 @@ namespace { find_kernels(llvm::Module *mod, std::vector &kernels) { const llvm::NamedMDNode *kernel_node = mod->getNamedMetadata("opencl.kernels"); + // This means there are no kernels in the program. The spec does not + // require that we return an error here, but there will be an error if + // the user tries to pass this program to a clCreateKernel() call. + if (!kernel_node) { + return; + } + for (unsigned i = 0; i < kernel_node->getNumOperands(); ++i) { kernels.push_back(llvm::dyn_cast( kernel_node->getOperand(i)->getOperand(0))); -- 2.30.2