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-rw-r--r--source/slang/slang-ir-util.cpp10
1 files changed, 10 insertions, 0 deletions
diff --git a/source/slang/slang-ir-util.cpp b/source/slang/slang-ir-util.cpp
index 4919850eb..36aec22b5 100644
--- a/source/slang/slang-ir-util.cpp
+++ b/source/slang/slang-ir-util.cpp
@@ -2232,4 +2232,14 @@ UnownedStringSlice getMangledName(IRInst* inst)
return UnownedStringSlice();
}
+bool isFirstBlock(IRInst* inst)
+{
+ auto block = as<IRBlock>(inst);
+ if (!block)
+ return false;
+ if (!block->getParent())
+ return false;
+ return block->getParent()->getFirstBlock() == block;
+}
+
} // namespace Slang