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| author | Yong He <yonghe@outlook.com> | 2022-06-23 12:41:05 -0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-06-23 12:41:05 -0700 |
| commit | 4aa6344f772d31c1f7b0676cbaf315104c4b30a2 (patch) | |
| tree | 5fe9ded4256691d1e84ca0d9e3f03693dc4105bf /source/slang/slang-ir-lower-generic-function.cpp | |
| parent | 5bd366fa1d10b93d0460f7779fa24d1572c971ba (diff) | |
Preserve specialization cache in IR for specialization pass. (#2293)
* Perserve specialization cache in IR for specialization pass.
* Fix compile error.
* Fix.
* Fix.
* Fix test case.
* Fix.
Co-authored-by: Yong He <yhe@nvidia.com>
Diffstat (limited to 'source/slang/slang-ir-lower-generic-function.cpp')
| -rw-r--r-- | source/slang/slang-ir-lower-generic-function.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/source/slang/slang-ir-lower-generic-function.cpp b/source/slang/slang-ir-lower-generic-function.cpp index bf20452d7..b50737c23 100644 --- a/source/slang/slang-ir-lower-generic-function.cpp +++ b/source/slang/slang-ir-lower-generic-function.cpp @@ -264,7 +264,8 @@ namespace Slang // If the requirement is a function, interfaceRequirementVal will be the lowered function type. // If the requirement is an associatedtype, interfaceRequirementVal will be Ptr<RTTIObject>. IRInst* interfaceRequirementVal = nullptr; - auto witnessTableType = cast<IRWitnessTableType>(lookupInst->getWitnessTable()->getDataType()); + auto witnessTableType = as<IRWitnessTableType>(lookupInst->getWitnessTable()->getDataType()); + if (!witnessTableType) return; auto interfaceType = maybeLowerInterfaceType(cast<IRInterfaceType>(witnessTableType->getConformanceType())); interfaceRequirementVal = sharedContext->findInterfaceRequirementVal(interfaceType, lookupInst->getRequirementKey()); lookupInst->setFullType((IRType*)interfaceRequirementVal); |