From 4dbc74a953ae1b34ce64a4eaef3aa7feb73663b9 Mon Sep 17 00:00:00 2001 From: Yong He Date: Mon, 13 Feb 2023 10:38:14 -0800 Subject: Add Loop Unrolling Pass. (#2644) Co-authored-by: Yong He --- source/slang/slang-ir-dce.cpp | 20 ++++++-------------- 1 file changed, 6 insertions(+), 14 deletions(-) (limited to 'source/slang/slang-ir-dce.cpp') diff --git a/source/slang/slang-ir-dce.cpp b/source/slang/slang-ir-dce.cpp index 337caa246..05c10b317 100644 --- a/source/slang/slang-ir-dce.cpp +++ b/source/slang/slang-ir-dce.cpp @@ -86,21 +86,13 @@ struct DeadCodeEliminationContext { if (!undefInst) { - for (auto inst : module->getModuleInst()->getChildren()) - { - if (inst->getOp() == kIROp_undefined && inst->getDataType() && inst->getDataType()->getOp() == kIROp_VoidType) - { - undefInst = inst; - break; - } - } - if (!undefInst) - { - SharedIRBuilder builderStorage(module); - IRBuilder builder(&builderStorage); + SharedIRBuilder builderStorage(module); + IRBuilder builder(&builderStorage); + if (auto firstChild = module->getModuleInst()->getFirstChild()) + builder.setInsertBefore(firstChild); + else builder.setInsertInto(module->getModuleInst()); - undefInst = builder.emitUndefined(builder.getVoidType()); - } + undefInst = Slang::getUndefInst(builder, module); } return undefInst; } -- cgit v1.2.3