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Duncan pointed out that we can fast fail here, because the sret parameter of
a function must be the first parameter. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47254 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -107,7 +107,8 @@ bool Argument::hasNoAliasAttr() const {
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/// it in its containing function.
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bool Argument::hasStructRetAttr() const {
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if (!isa<PointerType>(getType())) return false;
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return getParent()->paramHasAttr(getArgNo()+1, ParamAttr::StructRet);
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if (getArgNo()) return false; // StructRet param must be first param
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return getParent()->paramHasAttr(1, ParamAttr::StructRet);
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}
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