[clang] [llvm] [HLSL] Adding Flatten and Branch if attributes (PR #116331)
Chris B via cfe-commits
cfe-commits at lists.llvm.org
Fri Nov 22 14:37:56 PST 2024
================
@@ -1206,6 +1202,20 @@ class SPIRVStructurizer : public FunctionPass {
AU.addPreserved<SPIRVConvergenceRegionAnalysisWrapperPass>();
FunctionPass::getAnalysisUsage(AU);
}
+
+ void createOpSelectMerge(IRBuilder<> *Builder, BlockAddress *MergeAddress) {
+ Instruction *BBTerminatorInst = Builder->GetInsertBlock()->getTerminator();
+
+ MDNode *MDNode = BBTerminatorInst->getMetadata("hlsl.controlflow.hint");
+ if (MDNode && MDNode->getNumOperands() != 2)
+ llvm_unreachable("invalid metadata hlsl.controlflow.hint");
----------------
llvm-beanz wrote:
This should be an assert, not a branch then unreachable.
https://github.com/llvm/llvm-project/pull/116331
More information about the cfe-commits
mailing list