Module: Mesa
Branch: master
Commit: 5a925cc5504575c22dbb7d29842d7fc5babcb5c7
URL:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=5a925cc5504575c22dbb7d29842d7fc5babcb5c7
Author: Tom Stellard <thomas.stell...@amd.com>
Date: Wed Jun 5 17:05:43 2013 -0700
clover: Don't segfault when compiling a program with no kernel
---
.../state_trackers/clover/llvm/invocation.cpp | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/src/gallium/state_trackers/clover/llvm/invocation.cpp
b/src/gallium/state_trackers/clover/llvm/invocation.cpp
index 90bc53b..dae61f7 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<llvm::Function *> &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<llvm::Function>(
kernel_node->getOperand(i)->getOperand(0)));
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