diff options
Diffstat (limited to 'llvm/lib/Frontend')
| -rw-r--r-- | llvm/lib/Frontend/HLSL/CBuffer.cpp | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/llvm/lib/Frontend/HLSL/CBuffer.cpp b/llvm/lib/Frontend/HLSL/CBuffer.cpp index 407b6ad..1f53c87 100644 --- a/llvm/lib/Frontend/HLSL/CBuffer.cpp +++ b/llvm/lib/Frontend/HLSL/CBuffer.cpp @@ -43,8 +43,13 @@ std::optional<CBufferMetadata> CBufferMetadata::get(Module &M) { for (const MDNode *MD : CBufMD->operands()) { assert(MD->getNumOperands() && "Invalid cbuffer metadata"); - auto *Handle = cast<GlobalVariable>( - cast<ValueAsMetadata>(MD->getOperand(0))->getValue()); + // For an unused cbuffer, the handle may have been optimized out + Metadata *OpMD = MD->getOperand(0); + if (!OpMD) + continue; + + auto *Handle = + cast<GlobalVariable>(cast<ValueAsMetadata>(OpMD)->getValue()); CBufferMapping &Mapping = Result->Mappings.emplace_back(Handle); for (int I = 1, E = MD->getNumOperands(); I < E; ++I) { |