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Hi all,</div>
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consider the following function from Core.cpp in LLVM 9.0.0:<br>
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<span style="font-family: "Courier New", monospace;">LLVMValueRef LLVMBuildMalloc(LLVMBuilderRef B, LLVMTypeRef Ty,</span><span><br>
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<div><span style="font-family: "Courier New", monospace;"> const char *Name) {</span><br>
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<div><span style="font-family: "Courier New", monospace; background-color: rgb(255, 255, 0);"> Type* ITy = Type::getInt32Ty(unwrap(B)->GetInsertBlock()->getContext());</span><br>
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<div><span style="font-family: "Courier New", monospace;"> Constant* AllocSize = ConstantExpr::getSizeOf(unwrap(Ty));</span><br>
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<div><span style="font-family: "Courier New", monospace;"> AllocSize = ConstantExpr::getTruncOrBitCast(AllocSize, ITy);</span><br>
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<div><span style="font-family: "Courier New", monospace;"> Instruction* Malloc = CallInst::CreateMalloc(unwrap(B)->GetInsertBlock(),</span><br>
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<div><span style="font-family: "Courier New", monospace;"> ITy, unwrap(Ty), AllocSize,</span><br>
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<div><span style="font-family: "Courier New", monospace;"> nullptr, nullptr, "");</span><br>
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<div><span style="font-family: "Courier New", monospace;"> return wrap(unwrap(B)->Insert(Malloc, Twine(Name)));</span><br>
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<div><span style="font-family: "Courier New", monospace;">}</span><br>
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In this code I highlighted the line which I have question on. the signature of malloc is</div>
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<span style="font-family: "Courier New", monospace;">void *malloc(size_t size);</span></div>
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is this suspiciously wrong that this builder assumes size_t is 32 bit int? will LLVM backend smart enough to link the right one, which in 64 bit system is 64 bit int?<br>
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<font size="3"><b>Thanks,</b></font></div>
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<font size="3"><b>Jason Hu</b></font></div>
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<font size="3"><b><a href="https://hustmphrrr.github.io/" style="">https://hustmphrrr.github.io/</a></b></font><br>
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