search for: rawel

..._copy(i8* %aq2, i8* %ap2) - call void @llvm.va_end(i8* %aq2) - + %idxptr = getelementptr inbounds %struct.__va_list_tag* %ap, i32 0, i32 0 + %idx = load i32* %idxptr + %tmp = getelementptr inbounds %struct.__va_list_tag* %ap, i32 0, i32 3 + %extract = load i8** %tmp + %rawel = getelementptr i8* %extract, i32 %idx + %elptr = bitcast i8* %rawel to i32* + %newidx = add i32 %idx, 8 + store i32 %idx, i32* %idxptr + + ; Store that argument in el + %el = load i32* %elptr + store i32 %el, i32* %retptr + %ret = load i32* %retptr +...

Hi, So the Variable Argument Handling Intrinsics section of the LangRef (http://llvm.org/docs/LangRef.html#variable-argument-handling-intrinsics) lists an example that segfaults. Try the following on x86_64: -- 8< -- define i32 @test(i32 %X, ...) { ; Initialize variable argument processing %ap = alloca i8* %ap2 = bitcast i8** %ap to i8* call void @llvm.va_start(i8* %ap2) ; Read a