IRSPIRVAsmOperandInst instructions may not have IRBlock as the immediate parent. Previously special case was added to handle IRDecoration similarly. Replace this with a common method getBlock that traverses the parent chain till it gets to the Block (#3486)

Fixes bug #3432

1 files changed, 0 insertions, 21 deletions

diff --git a/source/slang/slang-ir-autodiff.cpp b/source/slang/slang-ir-autodiff.cpp
index 9acb6756e..2605dd028 100644
--- a/source/slang/slang-ir-autodiff.cpp
+++ b/source/slang/slang-ir-autodiff.cpp
@@ -2109,27 +2109,6 @@ bool finalizeAutoDiffPass(TargetRequest* target, IRModule* module)
     return modified;
 }
 
-IRBlock* getBlock(IRInst* inst)
-{
-    if (!inst)
-        return nullptr;
-
-    if (auto block = as<IRBlock>(inst))
-        return block;
-
-    return getBlock(inst->getParent());
-}
-
-IRInst* getInstInBlock(IRInst* inst)
-{
-    SLANG_RELEASE_ASSERT(inst);
-
-    if (const auto block = as<IRBlock>(inst->getParent()))
-        return inst;
-
-    return getInstInBlock(inst->getParent());
-}
-
 UIndex addPhiOutputArg(IRBuilder* builder, IRBlock* block, IRInst*& inoutTerminatorInst, IRInst* arg)
 {
     SLANG_RELEASE_ASSERT(as<IRUnconditionalBranch>(block->getTerminator()));